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- Author:
- Débora P. Facchi; Suelen P. Facchi; Paulo R. Souza; Elton G. Bonafé; Ketul C. Popat; Matt J. Kipper; Alessandro F. Martins
- Source:
- Journal of membrane science 2022 v.650 pp. 120426
- ISSN:
- 0376-7388
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; biodegradability; chloroform; contact angle; droplets; electrical conductivity; filtration; formic acid; hydrophobicity; modulus of elasticity; nanosilver; polysorbates; silver; surface tension; viscosity
- Abstract:
- ... Ecovio® is a hydrophobic, biodegradable, and synthetic polymer blend composed of poly(butylene adipate-co-terephthalate) and poly(acid lactic) polyesters. It is soluble in solvents of low polarity, being a challenge to obtaining thin and homogeneous electrospun Ecovio® fibers. Ecovio® blend solutions do not have electrospinnability due to the low viscosity and electrical conductivity. For overcomi ...
- DOI:
- 10.1016/j.memsci.2022.120426
- https://doi.org/10.1016/j.memsci.2022.120426
- Author:
- Sera Budi Verinda; Muflihatul Muniroh; Eko Yulianto; Nani Maharani; Gunawan Gunawan; Nur Farida Amalia; Jonathan Hobley; Anwar Usman; Muhammad Nur
- Source:
- Heliyon 2022 v.8 no.8 pp. e10137
- ISSN:
- 2405-8440
- Subject:
- DNA topoisomerase; Escherichia coli; Staphylococcus aureus; antibacterial properties; antibiotics; aqueous solutions; ciprofloxacin; electric power; energy efficiency; humans; microbubbles; oxidation; oxygen; ozonation; ozone; pollution; propellers; public health; reactive oxygen species; solubility; spectroscopy; surface water; wastewater treatment
- Abstract:
- ... Ciprofloxacin (CIP) has been listed in the last version of the surface water due to its ability to kill human cells by inhibiting the activity of DNA topoisomerase IV. Thus, CIP, along with other antibiotic pollution has become a serious threat to the environment and public health. Ozonation has been used as an advanced technique that is applied in wastewater treatment to remove CIP, but the prima ...
- DOI:
- 10.1016/j.heliyon.2022.e10137
- https://doi.org/10.1016/j.heliyon.2022.e10137
- Author:
- Zhiwen Qi; Xingying Xue; Xuefeng Xu; Hao Zhou; Wenjun Li; Guliang Yang; Pujun Xie
- Source:
- Postharvest biology and technology 2022 v.188 pp. 111891
- ISSN:
- 0925-5214
- Subject:
- Aspergillus niger; Escherichia coli; Staphylococcus aureus; antimicrobial properties; aqueous solutions; biosafety; carboxymethylcellulose; fresh produce; hydrophilicity; in vitro digestion; olive mill wastewater; shelf life; strawberries; toxicity; weight loss
- Abstract:
- ... The underutilized by-products of hydrophilicity olive mill wastewater phenols (OPs) have great antimicrobial potential. ZnO NPs is one of most wildly used nano material with anti-bacterial function as well. This study aimed to prepare the detoxified and antimicrobial-enhanced OPs capping ZnO nanoparticles (OPs-ZnO NPs) containing metal core of ZnO NPs and organic shell of OPs, respectively. The OP ...
- DOI:
- 10.1016/j.postharvbio.2022.111891
- https://doi.org/10.1016/j.postharvbio.2022.111891
- Author:
- Jing Kong; Sufen Zhang; Ming Shen; Jingui Zhang; Sabesan Yoganathan
- Source:
- Colloids and surfaces 2022 v.643 pp. 128742
- ISSN:
- 0927-7757
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; antibacterial properties; antibiotic resistance; aqueous solutions; copper; cuprous oxide; energy-dispersive X-ray analysis; nanocomposites; transmission electron microscopy; viability; zinc oxide
- Abstract:
- ... Antibiotic resistance is a serious problem all over the world. Inorganic metal oxide nanoparticles are suitable substitutional treatments for organic antibiotic-resistant bacterial infections. Various copper dopped ZnO nanocomposites were prepared with chemical deposition method in aqueous solution. X-ray diffraction (XRD) coupled with energy dispersive spectroscopy results reveals that cuprous ox ...
- DOI:
- 10.1016/j.colsurfa.2022.128742
- https://doi.org/10.1016/j.colsurfa.2022.128742
- Author:
- Zhiyuan Ma; Xiaohuan Liu; Junlian Nie; He Zhao; Wen Li
- Source:
- Biomacromolecules 2022 v.23 no.3 pp. 1302-1313
- ISSN:
- 1526-4602
- Subject:
- Bacillus subtilis; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; antimicrobial properties; aqueous solutions; atomic force microscopy; bioavailability; constitutional isomers; nanofibers; nanospheres; peptides; phenylalanine; serine; transmission electron microscopy
- Abstract:
- ... Self-assembly has been identified as an innovative strategy for improving the antimicrobial efficacy and bioavailability of short peptides. However, the detailed molecular information of short peptides linking to the self-assembly structures and antimicrobial activity remains to be more clearly understood. This work reported that the constitutional isomeric sequences of cationic peptides showed a ...
- DOI:
- 10.1021/acs.biomac.1c01532
- https://doi.org/10.1021/acs.biomac.1c01532
- Author:
- Rixiang Su; Hongjun Yan; Xiantao Jiang; Ying Zhang; Peiyuan Li; Wei Su
- Source:
- Journal of materials chemistry B 2022 v.10 no.8 pp. 1250-1264
- ISSN:
- 2050-7518
- Subject:
- Escherichia coli; Staphylococcus aureus; absorption; antibacterial properties; aqueous solutions; bioimaging; cell membranes; curcumin; fluorescence; hot water treatment; irradiation; oxygen; photochemotherapy; photosensitizing agents; photostability; wavelengths; xenon
- Abstract:
- ... Antimicrobial photodynamic therapy (aPDT) has become a popular technology for the treatment of bacterial infections. The development of antimicrobial agents combining diagnosis and treatment remains a major challenge. Herein, curcumin carbon quantum dots (Cur-NRCQDs) with antibacterial and imaging effects were synthesized using a hydrothermal method. The fluorescence absorption range of the Cur-NR ...
- DOI:
- 10.1039/d1tb02457d
- https://doi.org/10.1039/d1tb02457d
- Author:
- Yuanhong Zhuang; Zhengli Guo; Qiong Zhang; Jingna Liu; Peng Fei; Bingqing Huang
- Source:
- International journal of biological macromolecules 2022 v.202 pp. 278-285
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; acylation; antioxidant activity; antioxidants; aqueous solutions; carboxylic ester hydrolases; density functional theory; esterification; nuclear magnetic resonance spectroscopy; pectins; tetrahydrofuran
- Abstract:
- ... The covalent grafting of alkyl gallates onto pectin using a lipase-catalyzed reaction in a tetrahydrofuran/aqueous medium process acylated pectin molecules with excellent antioxidant and antibacterial properties. The alkyl gallates including methyl, ethyl, and propyl gallates were enzymatically grafted onto pectin molecule, in order to study the effect of alkyl gallates on the functional modificat ...
- DOI:
- 10.1016/j.ijbiomac.2022.01.070
- https://doi.org/10.1016/j.ijbiomac.2022.01.070
- Author:
- Pâmela Cristine Ladwig Muraro; Lailla Daianna Soltau Missio Pinheiro; Gabriela Chuy; Bruno Stefanello Vizzotto; Giovani Pavoski; Denise Crocce Romano Espinosa; Virginia Cielo Rech; William Leonardo da Silva
- Source:
- Journal of biotechnology 2022 v.343 pp. 47-51
- ISSN:
- 0168-1656
- Subject:
- Aloe vera; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray diffraction; adjuvants; antimicrobial properties; aqueous solutions; biochemical compounds; biomass; biosynthesis; biotechnology; chlorine; ecosystems; energy-dispersive X-ray analysis; environmental impact; industrial effluents; minimum inhibitory concentration; nanosilver; oxygen; porosimetry; silver; toxicity; zeta potential
- Abstract:
- ... The industrial effluent contaminated with organic pollutants has been causing an increase in the toxicity of the ecosystem, causing a great environmental impact. Thus, the present work aims the green synthesis of silver nanoparticles (AgNPs) from Aloe vera, its characterization and antimicrobial activity against Pseudomonas aeruginosa (ATCC 27853) and Staphylococcus aureus (ATCC 25923). AgNPs were ...
- DOI:
- 10.1016/j.jbiotec.2021.11.003
- https://doi.org/10.1016/j.jbiotec.2021.11.003
- Author:
- Jie Liu; Zhengxin Ma; Yanchun Liu; Xuejing Zheng; Ying Pei; Keyong Tang
- Source:
- Food packaging and shelf life 2022 v.31 pp. 100800
- ISSN:
- 2214-2894
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; aqueous solutions; energy-dispersive X-ray analysis; nanocomposites; nanosilver; permeability; polysaccharides; shelf life; silver; soybeans; thermal stability; thermogravimetry; transmission electron microscopy; ultraviolet radiation; ultraviolet-visible spectroscopy; water vapor
- Abstract:
- ... In the present study, antibacterial soluble soybean polysaccharide (SSPS)-based nanocomposite films containing in-situ generated silver nanoparticles (AgNPs) were fabricated for food packaging applications. SSPS first reduced silver ions to AgNPs in aqueous solution, and then immobilized these nanoparticles via film casting and drying methods. The formation and homogeneously distribution of AgNPs ...
- DOI:
- 10.1016/j.fpsl.2021.100800
- https://doi.org/10.1016/j.fpsl.2021.100800
- Author:
- Zahra Mousavi; Sedigheh Babaei; Mahmood Naseri; Seyed Mohammad Hashem Hosseini; Seyed Shahram Shekarforoush
- Source:
- Journal of food measurement & characterization 2022 v.16 no.2 pp. 1416-1425
- ISSN:
- 2193-4126
- Subject:
- Bacillus subtilis; Escherichia coli; Salmonella Typhimurium; Staphylococcus aureus; acetic acid; aqueous solutions; biodegradability; chitosan; glycerol; hydrogen; magnetism; measurement; permeability; plasticizers; schiff bases; tensile strength; water solubility; water vapor
- Abstract:
- ... In this study, the chitosan (1% w/v) was hydrated in an aqueous solution of glacial acetic acid (1% w/v) by using a magnetic stirrer and mixed with glycerol (0.75% v/v), as a plasticizer. The four types of chitosan films were fabricated by adding 1.5% cinnamaldehyde and 0.05% ε-poly-L-lysine, and the mechanical, physical and antibacterial properties of the treatments were determined. Mechanical re ...
- DOI:
- 10.1007/s11694-022-01297-2
- https://doi.org/10.1007/s11694-022-01297-2
- Author:
- Mengting Lin; Haiyue Long; Minting Liang; Bin Chu; Zhe Ren; Pengjun Zhou; Chaoxi Wu; Zhong Liu; Yifei Wang
- Source:
- ACS applied materials & interfaces 2021 v.13 no.31 pp. 36747-36756
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; curdlan; dimethyl sulfoxide; exopolysaccharides; fibroblasts; gene expression; hydrogels; immunomodulation; lipopolysaccharides; macrophages; mechanical stress; models; nanofibers; nanosilver; water content; wound treatment
- Abstract:
- ... The bacterial exopolysaccharide Curdlan has a unique collagen-like triple helical structure and immune-modulation activities. Although there have been several types of Curdlan gels reported for antibacterial or wound healing purposes, none of them exhibit favorable mechanical properties for clinically applicable wound healing materials. Herein, we present a two-step approach for preparing Ag-embed ...
- DOI:
- 10.1021/acsami.1c06603
- https://doi.org/10.1021/acsami.1c06603
- Author:
- Ayushi Jain; Shweta Wadhawan; S.K. Mehta
- Source:
- Environmental nanotechnology, monitoring & management 2021 v.16 pp. 100464
- ISSN:
- 2215-1532
- Subject:
- Pseudomonas; Staphylococcus aureus; Syzygium aromaticum; administrative management; adsorption; aqueous solutions; biosynthesis; black gram; methylene blue; plant extracts; remediation; spectroscopy; toxicology
- Abstract:
- ... The discipline of nanotechnology plays an incredible role in environmental remediation. The synthesis of non-toxic, eco-friendly and safe nanomaterials is the current focus of research. The present work portrays a non-toxic and simple method for preparing iron oxide (Fe₂O₃) NPs by employing the bud extract of Syzygium aromaticum (clove). The synthesized Fe₂O₃ NPs were characterized by different sp ...
- DOI:
- 10.1016/j.enmm.2021.100464
- https://doi.org/10.1016/j.enmm.2021.100464
- Author:
- Panghu Zhou; Zunen Xia; Chao Qi; Meng He; Tengbo Yu; Lei Shi
- Source:
- International journal of biological macromolecules 2021 v.192 pp. 272-277
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; chitosan; freeze drying; hydrogels; industrialization; nanocomposites; nanosilver; water vapor
- Abstract:
- ... Chitosan/Ag nanocomposite sponges were prepared by soaking the chitosan hydrogels in AgNO₃ aqueous solution, which was heated at 80 °C to synthesize Ag nanoparticles (AgNPs) in the porous chitosan matrix and freeze-dried. The structure and properties of the nanocomposite sponges were characterized by FT-IR, X-ray diffraction (XRD), scanning electron microscopy (SEM), and compressive testing. In ou ...
- DOI:
- 10.1016/j.ijbiomac.2021.10.011
- https://doi.org/10.1016/j.ijbiomac.2021.10.011
- Author:
- Arun Kumar Shukla; Javed Alam; Fekri Abdulraqeb Ahmed Ali; Mansour Alhoshan
- Source:
- Water and environment journal 2021 v.35 no.2 pp. 670-684
- ISSN:
- 1747-6585
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; dyes; environment; wastewater; water
- Abstract:
- ... As a result of the involvement of pollutants in water, there is the need to develop a facile and effective membrane technology that can not only treat dyes, but also kill bacteria in wastewater. In this work, a facile strategy is proposed for the preparation of a nanostructured hybrid membrane based on Polyphenylsulfone containing different ZnO nanoparticle contents. The results confirm that ZnO n ...
- DOI:
- 10.1111/wej.12660
- https://doi.org/10.1111/wej.12660
- Author:
- Chen Li; Yu Huang; Renhao Li; Yun Wang; Xin Xiang; Chunhua Zhang; Dong Wang; Yingshan Zhou; Xin Liu; Weilin Xu
- Source:
- Carbohydrate polymers 2021 v.251 pp. 117037
- ISSN:
- 0144-8617
- Subject:
- Staphylococcus aureus; X-ray diffraction; aqueous solutions; chitosan; polyethylene glycol; wide-angle X-ray scattering
- Abstract:
- ... Carboxymethyl chitosan/polyethylene oxide (CMCS/PEO) mixed composition nonwoven mats with the average mat basis weight of 34.53–49.63 g/m² were prepared by centrifugal spinning from homogeneous aqueous solution for potential use as wound dressings. The weight fraction composition of CMCS/PEO investigated was 40/60 to 60/40. The CMCS/PEO fibers were found to have normally distributed, monomodal, av ...
- DOI:
- 10.1016/j.carbpol.2020.117037
- https://doi.org/10.1016/j.carbpol.2020.117037
- Author:
- R. Sabarish; K. Jasila; J. Aswathy; P. Jyotishkumar; S. Suchart
- Source:
- International journal of environmental science and technology 2021 v.18 no.9 pp. 2571-2586
- ISSN:
- 1735-1472
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; adsorbents; adsorption; agar; aqueous solutions; contact angle; disk diffusion antimicrobial test; dyes; environmental science; hydrophilicity; ionic strength; light microscopy; models; pH; polyvinyl alcohol; sorption isotherms; technology; temperature; thermogravimetry; zeolites
- Abstract:
- ... This work reports the fabrication of a novel polyvinyl alcohol/agar/ZSM-5 zeolite membrane for the removal of Congo red from aqueous streams. The membranes were characterized by microscopic techniques (scanning electron microscopy (SEM) and optical microscopy (OM)), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), universal testing machine (UTM), thermogravimetric analysis ...
- DOI:
- 10.1007/s13762-020-02998-1
- https://doi.org/10.1007/s13762-020-02998-1
- Author:
- Leili Shaker Ardakani; Vahid Alimardani; Ali Mohammad Tamaddon; Ali Mohammad Amani; Saeed Taghizadeh
- Source:
- Heliyon 2021 v.7 no.2 pp. e06159
- ISSN:
- 2405-8440
- Subject:
- Chlorophytum comosum; Staphylococcus aureus; antibacterial properties; aqueous solutions; cost effectiveness; dyes; leaf extracts; leaves; methyl orange; particle size
- Abstract:
- ... Nowadays, green synthesis methods have gained growing attention in nanotechnology owning to their versatile features including high efficiency, cost-effectiveness, and eco-friendliness. Here, the aqueous extract of Chlorophytum comosum leaf was applied for the preparation of iron nanoparticles (INPs) to obtain spherical and amorphous INPs with a particle size below 100 nm as confirmed by TEM. The ...
- DOI:
- 10.1016/j.heliyon.2021.e06159
- https://doi.org/10.1016/j.heliyon.2021.e06159
- Author:
- Harshit Agarwal; Kayleigh E. Nyffeler; Uttam Manna; Helen E. Blackwell; David M. Lynn
- Source:
- ACS applied materials & interfaces 2021 v.13 no.28 pp. 33652-33663
- ISSN:
- 1944-8252
- Subject:
- Pseudomonas aeruginosa; Staphylococcus aureus; adsorption; anisotropy; aqueous solutions; droplets; equipment; isotropy; liquid crystals; nanopores; polymers; surfactants; toxins
- Abstract:
- ... We report the design and characterization of liquid crystal (LC)-infused porous polymer membranes that can detect and report on the presence of natural and synthetic amphiphiles in aqueous solution. We demonstrate that thermotropic LCs can be infused into nanoporous polymer membranes to yield LC-infused surfaces that exhibit slippery behaviors in contact with a range of aqueous fluids. In contrast ...
- DOI:
- 10.1021/acsami.1c08170
- https://doi.org/10.1021/acsami.1c08170
- Author:
- Yan Cao; Sagr Alamri; Ali A. Rajhi; Ali E. Anqi; Aliakbar Dehno Khalaji
- Source:
- International journal of biological macromolecules 2021 v.192 pp. 1-6
- ISSN:
- 0141-8130
- Subject:
- Bacillus cereus; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; aqueous solutions; chitosan; dyes; evaporation; heat production; nanocomposites; schiff bases; solvents
- Abstract:
- ... New chitosan Schiff base (CS-NB) and its CS-NB-NiFe nanocomposite have been prepared and characterized by FTIR spectroscopy, XRD, SEM and DSC. FT-IR spectra and XRD patterns revealed the preparation of chitosan Schiff base CS-NB and its CS-NB-NiFe nanocomposite. DSC demonstrated the endo and exothermic correspondence the evaporation of solvent and decomposition of pyranose ring, respectively. Anti ...
- DOI:
- 10.1016/j.ijbiomac.2021.09.192
- https://doi.org/10.1016/j.ijbiomac.2021.09.192
- Author:
- Fan Luo; Dandan Zeng; Renxiang Chen; Ayesha Zafar; Ling Weng; Wenxiong Wang; Yubo Tian; Murtaza Hasan; Xugang Shu
- Source:
- Food & function 2021 v.12 no.19 pp. 9007-9017
- ISSN:
- 2042-650X
- Subject:
- Escherichia coli; Staphylococcus aureus; antibiotics; aqueous solutions; biofilm; cell walls; chitosan; deformation; drug delivery systems; electrolytes; encapsulation; energy metabolism; microstructure; saponins; tea; water solubility
- Abstract:
- ... The biofilms produced by the aggregation of bacterial colonies are among the major obstacles of host immune system monitoring and antimicrobial treatment. Herein, we report PEGylated dihydromyricetin-loaded liposomes coated with tea saponin grafted on chitosan (TS/CTS@DMY-lips) as an efficient cationic antibacterial agent against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), wh ...
- DOI:
- 10.1039/d1fo01943k
- https://doi.org/10.1039/d1fo01943k
- Author:
- Ho Sub Bae; Velu Manikandan; Jun Ha Hwang; Young-Seok Seo; Hee-Suk Chung; Hyeon Ih Ryu; Weon-Sik Chae; Min Cho; Priyadarshini Satishrao Ekambe; Jum Suk Jang
- Source:
- Journal of materials science 2021 v.56 no.30 pp. 17235-17253
- ISSN:
- 0022-2461
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; bisphenol A; irradiation; light; nanorods; photocatalysis; photocatalysts; rhodium; superoxide anion; synergism; wastewater
- Abstract:
- ... Visible light-active rhodium and antimony-co-doped SrTiO₃ nanocubes (Rh/Sb:SrTiO₃ NCs) were synthesized at low temperatures from Rh/Sb:TiO₂ nanorods by the molten salt flux method. The effects of different calcination temperatures (700, 800, and 900 °C) and addition of transition metal oxides (NiOₓ, CoOₓ, and CuOₓ) on the photocatalytic properties of the Rh/Sb:SrTiO₃ NCs were studied. The phase co ...
- DOI:
- 10.1007/s10853-021-06388-x
- https://doi.org/10.1007/s10853-021-06388-x
- Author:
- Yuecheng Meng; Xingfen He; Liang Guo; Yuyan Xu; Sheng Fang; Yanhua Li; Jie Chen
- Source:
- Food biophysics 2021 v.16 no.3 pp. 415-425
- ISSN:
- 1557-1858
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Listeria monocytogenes; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; biophysics; electrostatic interactions; minimum inhibitory concentration; molecular dynamics; particle size; pork; sausages; sodium; sodium tripolyphosphate; turbidity; zeta potential
- Abstract:
- ... The aim of this study are to investigate the physicochemical and antibacterial properties of sodium tripolyphosphate (TPP)/ε-Polylysine(ε-PL) complexes. Their physicochemical properties were studied as a function of molar ratios by following changes in turbidity, particle size, and zeta potential. These results showed that the formation of stable and quest-stable complexes in aqueous solution was ...
- DOI:
- 10.1007/s11483-021-09675-x
- https://doi.org/10.1007/s11483-021-09675-x
- Author:
- Mebrahtu Hagos Kahsay
- Source:
- Applied water science 2021 v.11 no.2 pp. 45
- ISSN:
- 2190-5487
- Subject:
- Escherichia coli; Klebsiella pneumoniae; Ocimum grandiflorum; Pseudomonas aeruginosa; Staphylococcus aureus; Staphylococcus epidermidis; adsorbents; adsorption; antimicrobial properties; aqueous solutions; crystal structure; experimental design; flavonoids; leaf extracts; methylene blue; photocatalysts; response surface methodology; saponins; ultraviolet-visible spectroscopy; water
- Abstract:
- ... Nanotechnology is a recent field of modern research dealing with synthesis, strategy and manipulation of particle’s structure in size range of 1–100 nm. This study introduces one of the methods of synthesis of nanoparticles, i.e., green synthesis of ZnO NPs using aqueous leaf extract of Becium grandiflorum (AM: ‘Yedegamentisie’). The biomolecules of the plant extract (such as phenols, flavonoids, ...
- DOI:
- 10.1007/s13201-021-01373-w
- https://doi.org/10.1007/s13201-021-01373-w
- Author:
- Linghao Kong; Lingbiao Gu; Laigui Yu; Hongru Ma; Yong Zhang; Zhigang Wang; Qiang He; Xinhua Chen; Pingyu Zhang
- Source:
- Journal of cleaner production 2021 v.286 pp. 125432
- ISSN:
- 0959-6526
- Subject:
- Escherichia coli; Staphylococcus aureus; air conditioning; antibacterial properties; aqueous solutions; copper; fields; heat transfer; hydrophobicity; methodology; nanomaterials; oxidation; sodium; surfaces; water
- Abstract:
- ... Superhydrophobic materials exhibit diverse application potential in various fields due to their excellent self-cleaning properties. However, it is still challenging to prepare bionic superhydrophobic materials employing the green methods. In this study, the “condenser” (simulated by a red copper spiral tube) with excellent self-cleaning properties and antibacterial activity has been prepared by a ...
- DOI:
- 10.1016/j.jclepro.2020.125432
- https://doi.org/10.1016/j.jclepro.2020.125432
- Author:
- Mariya N. Agafonova; Renata R. Kazakova; Anna P. Lubina; Marina I. Zeldi; Elena V. Nikitina; Konstantin V. Balakin; Yurii G. Shtyrlin
- Source:
- Microbial pathogenesis 2020 v.142 pp. 104072
- ISSN:
- 0882-4010
- Subject:
- Escherichia coli; Staphylococcus aureus; anti-infective agents; antibacterial properties; antiseptics; aqueous solutions; bovine serum albumin; disinfectants; disinfection; efficacy testing; in vitro studies; in vivo studies; laboratory experimentation; markets; models; museums; pathogens; rats; Russia
- Abstract:
- ... Miramistin is a widely used antiseptic, disinfectant and preservative, and one of the most popular antimicrobial agents on pharmaceutical market of the Russian Federation (http://www.dsm.ru/en/news/385/). However, there is a lack of reported systematic data on antibacterial efficacy of this agent obtained in accordance with the international standards.This paper represents a systematic study of an ...
- DOI:
- 10.1016/j.micpath.2020.104072
- https://doi.org/10.1016/j.micpath.2020.104072
- Author:
- L. Verónica Cabañas-Romero; Cristina Valls; Susana V. Valenzuela; M. Blanca Roncero; F. I. Javier Pastor; Pilar Diaz; Josefina Martínez
- Source:
- Biomacromolecules 2020 v.21 no.4 pp. 1568-1577
- ISSN:
- 1526-4602
- Subject:
- Candida albicans; Pseudomonas aeruginosa; Staphylococcus aureus; air; antimicrobial properties; antioxidant activity; aqueous solutions; bacteria; biofilm; chitosan; crystal structure; hydrophobicity; nanocomposites; paper; physical properties; pulp; yeasts
- Abstract:
- ... The production of paper-based bacterial cellulose–chitosan (BC–Ch) nanocomposites was accomplished following two different approaches. In the first, BC paper sheets were produced and then immersed in an aqueous solution of chitosan (BC–ChI); in the second, BC pulp was impregnated with chitosan prior to the production of paper sheets (BC–ChM). BC–Ch nanocomposites were investigated in terms of phys ...
- DOI:
- 10.1021/acs.biomac.0c00127
- https://doi.org/10.1021/acs.biomac.0c00127
- Author:
- Shahnawaz Ahmad Bhat; Fahmina Zafar; Aftab Hossain Mondal; Azar Ullah Mirza; Qazi Mohd Rizwanul Haq; Nahid Nishat
- Source:
- Journal of cleaner production 2020 v.255 pp. 120062
- ISSN:
- 0959-6526
- Subject:
- Bacillus subtilis; Congo red; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; adsorbents; adsorption; antibacterial properties; aqueous solutions; bacterial growth; biodegradability; composite films; composite materials; contact angle; crosslinking; differential scanning calorimetry; freshwater; hydrophobicity; industrial applications; models; pH; polyvinyl alcohol; scanning electron microscopy; sorption isotherms; thermogravimetry; water solubility
- Abstract:
- ... Removal of harmful dyes and inhabitation of bacterial growth is one of the outstanding priorities in both environmental and industrial applications. The recognition of the alarming industrial discharge and insufficiency of fresh water has prompted us to develop eco-friendly and sustainable dye adsorbent films. The present investigation reports the synthesis of melamine-formaldehyde (MF) and cross- ...
- DOI:
- 10.1016/j.jclepro.2020.120062
- https://doi.org/10.1016/j.jclepro.2020.120062
- Author:
- Ruimin Hu; Jinlong Yang; Pu Yang; Ziqin Wu; Hang Xiao; Yiping Liu; Ming Lu
- Source:
- Cellulose 2020 v.27 no.5 pp. 2901-2911
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Staphylococcus aureus; antibacterial properties; aqueous solutions; cost effectiveness; cotton fabric; heat; sodium hydroxide; sustainable technology; temperature; urea; zinc chloride; zinc oxide
- Abstract:
- ... Recent years have witnessed the explosive progress of functional materials, which are made by loading various metal oxides onto fabrics. A cost-effective, facile, and simple approach of loading hexagonal zinc oxide (ZnO) sheets onto fabrics is highly desired. Here, the fabrication of the multifunctional ZnO@cotton fabrics is demonstrated using a surface micro-dissolution method by sodium hydroxide ...
- DOI:
- 10.1007/s10570-019-02965-1
- https://doi.org/10.1007/s10570-019-02965-1
- Author:
- Zaffar Mehmood; Muhammad Bilal Sadiq; Muhammad Rehan Khan
- Source:
- Journal of food safety 2020 v.40 no.4 pp. e12814
- ISSN:
- 0149-6085
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; antimicrobial properties; aqueous solutions; cattle; crystal structure; food safety; gelatin; iron oxides; nanocomposites; shelf life
- Abstract:
- ... Nanocomposite films were obtained by solution casting method from aqueous solution of bovine gelatin with addition of various concentrations of magnetic iron oxide (MIO) nanoparticles (NPs) (5, 10, 15, and 20% w/w of dry gelatin). The incorporation of MIO NPs improved the mechanical and physical properties of the nanocomposites. The increase in concentration of NPs up to 10% improved barrier and m ...
- DOI:
- 10.1111/jfs.12814
- https://doi.org/10.1111/jfs.12814
- Author:
- Shadpour Mallakpour; Mohaddeseh Abbasi
- Source:
- International journal of biological macromolecules 2020 v.151 pp. 909-923
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Staphylococcus aureus; acetic acid; antibacterial properties; aqueous solutions; bacteria; body fluids; chitosan; hydroxyapatite; mineralization; moieties; nanocomposites; nanoparticles; nanosilver; polymers; silica; silver; surface area; tissue engineering; ultrasonics
- Abstract:
- ... The goal of this research was the fabrication of chitosan (CT)-tragacanth gum (TG)/SiO₂ nanocomposite as a potential use in tissue engineering. For the antibacterial activity induction and stabilization of SiO₂ nanoparticles (NPs) in the polymer matrix, SiO₂ and green synthesized Ag NPs were hybrid with SiO₂/Ag. Then, the obtained hybrids were inserted into the CT-TG blend, separately. The ultraso ...
- DOI:
- 10.1016/j.ijbiomac.2020.02.167
- https://doi.org/10.1016/j.ijbiomac.2020.02.167
- Author:
- Sawsan Dacrory; El Sayed A. Haggag; Ahmed M. Masoud; Shaimaa M. Abdo; Ahmed A. Eliwa; Samir Kamel
- Source:
- Cellulose 2020 v.27 no.12 pp. 7093-7108
- ISSN:
- 0969-0239
- Subject:
- Bacillus subtilis; Candida albicans; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray diffraction; adsorbents; adsorption; antimicrobial properties; aqueous solutions; cellulose; chemical structure; condensation reactions; pH; sodium carbonate; sorption isotherms; temperature; thermodynamics; uranium
- Abstract:
- ... This work was an attempt to prepare a new eco-friendly adsorbent for the recovery of uranium from the Egyptian radioactive deposits. So, cellulose/p-toluidine was prepared as a potential sorbent for uranium (VI) in highly alkaline solutions, from a condensation reaction of p-toluene with dialdehyde cellulose which resulting from periodate selective oxidative of cellulose. We have studied the kinet ...
- DOI:
- 10.1007/s10570-020-03272-w
- https://doi.org/10.1007/s10570-020-03272-w
- Author:
- Jingyu Gao; Heiya Na; Ruibo Zhong; Ming Yuan; Jun Guo; Lijiao Zhao; Yu Wang; Liping Wang; Feng Zhang
- Source:
- Colloids and surfaces 2020 v.186 pp. 110704
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; antibiotics; antimicrobial peptides; aqueous solutions; bacteria; cysteine; cytotoxicity; flow cytometry; hydrodynamics; minimum inhibitory concentration; mortality; nanocomposites; nanosilver
- Abstract:
- ... Over the past few decades, the overuse of antibiotics has led to the emergence of resistant bacteria and environmental issues. Both silver nanoparticles (AgNPs) and antimicrobial peptides (AMPs) hold potential to replace antibiotics. Combining both AMPs and AgNPs into a composite material may create novel properties such as enhanced antibacterial activity, lower cytotoxicity and favorable stabilit ...
- DOI:
- 10.1016/j.colsurfb.2019.110704
- https://doi.org/10.1016/j.colsurfb.2019.110704
- Author:
- Dhanya George; K. M. Meera Sheriffa Begum; P. Uma Maheswari
- Source:
- Waste and biomass valorization 2020 v.11 no.3 pp. 851-860
- ISSN:
- 1877-2641
- Subject:
- Fourier transform infrared spectroscopy; Staphylococcus aureus; ambient temperature; antibacterial properties; aqueous solutions; bacteria; biocompatibility; cellulose; crosslinking; drug delivery systems; drugs; epichlorohydrins; grape pomace; heat; hydrogels; kinetics; models; pH; polyphenols; scanning electron microscopy; sodium hydroxide; sorption isotherms; sugarcane bagasse; thermogravimetry; ultraviolet-visible spectroscopy; urea
- Abstract:
- ... Valorisation of sugarcane bagasse (SCB) and grape pomace for potential biomedical applications as drug delivery system was investigated in the present study. SCB based pristine cellulose hydrogel for the controlled delivery of polyphenol drug derived from grape pomace was developed. Hydrogel was prepared by dissolving treated SCB cellulose in urea/NaOH aqueous solution followed by crosslinking wit ...
- DOI:
- 10.1007/s12649-018-0487-3
- https://doi.org/10.1007/s12649-018-0487-3
- Author:
- Arularasu M.V.; M. Harb; R. Sundaram
- Source:
- Carbohydrate polymers 2020 v.249 pp. 116868
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; bacteria; biocompatible materials; cellulose; coagulation; computer simulation; cost effectiveness; energy; energy-dispersive X-ray analysis; hydrogen bonding; infrared spectroscopy; moieties; nanocomposites; nanoparticles; optical properties; particle size; polymers; proteins; reflectance spectroscopy; scanning electron microscopy; sodium; strength (mechanics); titanium dioxide; transmission electron microscopy
- Abstract:
- ... Cellulose/TiO₂ nanocomposite was synthesized using coagulation in sodium hydroxide-thiourea-urea aqueous solution medium by precipitation method. This method was accomplished green and cost-effective for the fabrication of composite nanomaterials. Structure, morphology and optical properties of the nanocomposite were characterized by X-ray diffraction, energy dispersive X-ray spectroscopy, field e ...
- DOI:
- 10.1016/j.carbpol.2020.116868
- https://doi.org/10.1016/j.carbpol.2020.116868
- Author:
- Liyu Zhang; Lihua Jia; Zhenlong Zhao; Rui Yang; Jinping Wang; Xiangfeng Guo
- Source:
- Colloids and surfaces 2020 v.593 pp. 124628
- ISSN:
- 0927-7757
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; amides; ammonium chloride; antibacterial properties; aqueous solutions; biphenyl; calorimetry; carbon; electrospray ionization mass spectrometry; emulsifying; foaming; heat production; hydrogen bonding; hydrophobicity; micelles; moieties; nuclear magnetic resonance spectroscopy; stable isotopes; surface active properties; surface tension; surfactants; titration; toluene
- Abstract:
- ... The structure of aqueous solution surfactants, particularly the spacer group used to link the polar head groups, can significantly affect its surface activities and application properties. Herein, we designed and synthesized cationic gemini surfactants (i. e., CₙDBH, n = 12, 14, 16, 18) with biphenyl and multiple amide groups as rigid spacer and characterized their structures using ¹H NMR, ¹³C NMR ...
- DOI:
- 10.1016/j.colsurfa.2020.124628
- https://doi.org/10.1016/j.colsurfa.2020.124628
- Author:
- Patrícia Metolina; Felipe Rebello Lourenço; Antonio Carlos Silva Costa Teixeira
- Source:
- Journal of environmental science and health 2020 v.56 no.1 pp. 97-112
- ISSN:
- 1532-4117
- Subject:
- Staphylococcus aureus; amino acids; antimicrobial properties; aqueous solutions; bacitracin; hydrogen peroxide; irradiation; nonribosomal peptides; photolysis; photons; wastewater; zinc
- Abstract:
- ... Zinc bacitracin (Zn-Bc) belongs to the group of nonribosomal peptide antibiotics (NRPA), comprising a mixture of non-biodegradable congeners characterized by complex structures containing cyclic, polycyclic, and branched chains. However, reports on the use of AOPs for the degradation of NRPA are non-existent. In this context, the present work investigated the photodegradation of Zn-Bc in aqueous s ...
- DOI:
- 10.1080/10934529.2020.1841499
- https://doi.org/10.1080/10934529.2020.1841499
37. Alkyne functionalized cellulose fibers: A versatile “clickable” platform for antibacterial materials
- Author:
- Lijian Sun; Guifa Xiao; Xueren Qian; Xianhui An
- Source:
- Carbohydrate polymers 2019 v.207 pp. 68-78
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Staphylococcus aureus; alkynes; aniline; antibacterial properties; aqueous solutions; beta-cyclodextrin; cellulosic fibers; ciprofloxacin; composite polymers; copolymerization; oxidation
- Abstract:
- ... We report a facile and effective method to fabricate clickable alkyne-functionalized cellulose fibers (ACFs) through in situ chemical oxidation copolymerization of 3-ethynylaniline and aniline under acidic aqueous solution. The effects of process variables on copolymer deposition onto CFs were investigated and suitable preparation conditions were identified. It was found that aniline significantly ...
- DOI:
- 10.1016/j.carbpol.2018.11.068
- https://doi.org/10.1016/j.carbpol.2018.11.068
- Author:
- Hassan Namazi; Mohsen Hasani; Mehdi Yadollahi
- Source:
- International journal of biological macromolecules 2019 v.126 pp. 578-584
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; aluminum chloride; anions; antibacterial properties; aqueous solutions; calcium chloride; cations; hydrogels; nanocomposites; nanoparticles; oxidation; pH; salt concentration; scanning electron microscopy; sodium chloride; starch; swelling (materials); zinc oxide
- Abstract:
- ... In this study, oxidized starch hydrogels have been fabricated, and then ZnO nanoparticles were added to swollen oxidized starch hydrogels through the in-situ process. The purpose of this work was to study the effect of ZnO nanoparticles on swelling behavior of oxidized starch hydrogels, as well as investigation their potential to be used in the antibacterial applications. The obtained results show ...
- DOI:
- 10.1016/j.ijbiomac.2018.12.242
- https://doi.org/10.1016/j.ijbiomac.2018.12.242
- Author:
- Zahra Sadrearhami; Farah Nabilah Shafiee; Kitty K. K. Ho; Naresh Kumar; Marta Krasowska; Anton Blencowe; Edgar H. H. Wong; Cyrille Boyer
- Source:
- ACS applied materials & interfaces 2019 v.11 no.7 pp. 7320-7329
- ISSN:
- 1944-8252
- Subject:
- Pseudomonas aeruginosa; Staphylococcus aureus; X-ray photoelectron spectroscopy; adhesion; antibacterial properties; aqueous solutions; bacteria; bacterial culture; biofilm; chemical reactions; coatings; dopamine; glass; medical equipment; multiple drug resistance; nitric oxide; polyethylene glycol
- Abstract:
- ... The growing number of patient morbidity related to nosocomial infections has placed an importance on the development of new antibacterial coatings for medical devices. Here, we utilize the versatile adhesion property of polydopamine (pDA) to design an antibacterial coating that possesses low-fouling and nitric oxide (NO)-releasing capabilities. To demonstrate this, glass substrates were functional ...
- DOI:
- 10.1021/acsami.8b16853
- https://doi.org/10.1021/acsami.8b16853
- Author:
- Muhammad Idrees; Saima Batool; Tanzila Kalsoom; Sadaf Raina; Hafiz Muhammad Adeel Sharif; Summera Yasmeen
- Source:
- Environmental technology 2019 v.40 no.8 pp. 1071-1078
- ISSN:
- 1479-487X
- Subject:
- Enterococcus faecalis; Escherichia coli; Sida acuta; Staphylococcus aureus; X-ray diffraction; absorbance; absorption; antibacterial properties; antibiotics; aqueous solutions; biofabrication; biosynthesis; corrosion; ecosystems; environmental technology; irradiation; leaves; moieties; nanoparticles; nanosilver; silver nitrate; spectrophotometers; surface plasmon resonance; transmission electron microscopy
- Abstract:
- ... Nanotechnology exhibits a multidisciplinary area and gained interests for researchers. Nanoparticles produced via physical and chemical methods affects ecosystem drastically. Green synthesis is the charming technique that is inexpensive and safe for the environment. This study aimed to explore the antibacterial actions of as-synthesized silver nanoparticles (Ag-NPs) against Escherichia coli, Staph ...
- DOI:
- 10.1080/09593330.2018.1435738
- https://doi.org/10.1080/09593330.2018.1435738
- Author:
- Xiaoying Zhu; Xiuliang Hou; Bomou Ma; Helan Xu; Yiqi Yang
- Source:
- Carbohydrate polymers 2019 v.226 no. pp. 115311
- ISSN:
- 0144-8617
- Subject:
- Staphylococcus aureus; absorbents; acetic acid; aqueous solutions; biocompatibility; chitosan; crosslinking; fluorescence; hydrophilicity; mechanical properties; rheology; spinning; tannins
- Abstract:
- ... Natural extracts gallnut tannins (GTs) were used as functional components to prepare chitosan/gallnut tannins (CS/GTs) composite fiber by blended solution spinning. Chitosan fiber has great potential to be used as absorbent suture and dressing due to its good biocompatibility. However, the weak mechanical properties limited its application. Chitosan and GTs were blended in aqueous solution of acet ...
- DOI:
- 10.1016/j.carbpol.2019.115311
- CHORUS:
- 10.1016/j.carbpol.2019.115311
- https://doi.org/10.1016/j.carbpol.2019.115311
- Author:
- Xiao Wang; Ran Li; Zian Li; Ruijuan Xiao; Xiao-Bo Chen; Tao Zhang
- Source:
- Journal of materials chemistry B 2019 v.7 no.26 pp. 4169-4176
- ISSN:
- 2050-7518
- Subject:
- Escherichia coli; Staphylococcus aureus; air; alloys; antibacterial properties; aqueous solutions; bacterial growth; copper; glass; ions; ligaments; magnesium; minimum inhibitory concentration; nanopores; oxidation; silver; sulfuric acid; surface area
- Abstract:
- ... Three-dimensional nanoporous Ag–Cu alloys with an atomic ratio of Ag to Cu varying from 0 to 1.0 were fabricated by dealloying Mg–(Ag,Cu)–Y metallic glass precursors in 0.04 M H₂SO₄ aqueous solution. Supersaturated Ag(Cu) solid solution in the nanoporous structure was obtained with a high Cu concentration (up to 47.4%) in the fcc Ag phase after the dealloying treatment. The nanoporous alloys with ...
- DOI:
- 10.1039/c9tb00148d
- https://doi.org/10.1039/c9tb00148d
- Author:
- Anindya Biswas; Semanti Ghosh; Debabrata Sinha; Anindya Dutta; Soham Seal; Angshuman Bagchi; Subrata Sau
- Source:
- International journal of biological macromolecules 2019 v.124 pp. 903-914
- ISSN:
- 0141-8130
- Subject:
- DNA; Staphylococcus aureus; amino acid sequences; aqueous solutions; bacteriophages; denaturation; dimerization; hydrophobicity; proteins; urea
- Abstract:
- ... The lysogenic growth of phage ф11 in Staphylococcus aureus is controlled by a repressor (CI) that harbors an N-terminal domain (NTD), and a C-terminal domain (CTD). Previously, NTD, like CI, showed DNA binding activity and dimerized in the aqueous solution. To precisely understand the folding mechanism, function, and the stability of CI, NTD, and CTD, we have investigated their recombinant forms, ...
- DOI:
- 10.1016/j.ijbiomac.2018.11.263
- https://doi.org/10.1016/j.ijbiomac.2018.11.263
- Author:
- Wei Chen; Fangming Chen; Gao Zhang; Xu Liu; Shu Kong; Wen Cai; Jian Wang; Liping Du; Chunsheng Wu
- Source:
- Cellulose 2019 v.26 no.12 pp. 7027-7035
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; bacteria; bleaching; cellulose; coatings; hydrolysis; nanocomposites; nanocrystals; nanopores; water purification
- Abstract:
- ... Cellulose nanocrystal (CNC) composite filter papers were fabricated by a facile method, which consists of the bleaching and hydrolysis of fibers, and drop coating of filter papers with CNC solution. The filter properties of the composite filter papers were applied for the removal of bacteria from aqueous solutions. Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) were used to evalu ...
- DOI:
- 10.1007/s10570-019-02620-9
- https://doi.org/10.1007/s10570-019-02620-9
- Author:
- Xiaowei Zhang; Xiumei Jiang; Timothy R. Croley; Mary D. Boudreau; Weiwei He; Junhui Cai; Peirui Li; Jun-Jie Yin
- Source:
- Journal of environmental science and health 2019 v.37 no.2 pp. 99-115
- ISSN:
- 1532-4095
- Subject:
- Escherichia coli; Staphylococcus aureus; alloy nanoparticles; antibacterial properties; aqueous solutions; atomic absorption spectrometry; color; colorimetry; copper; data collection; electron paramagnetic resonance spectroscopy; ferroxidase; hot water treatment; hydrogen peroxide; hydroxyl radicals; ions; iron; platinum; salicylic acid; silver
- Abstract:
- ... Many metal nanoparticles are reported to have intrinsic enzyme-like activities and offer great potential in chemical and biomedical applications. In this study, PtCu alloy nanoparticles (NPs), synthesized through hydrothermal treatment of Cu²⁺ and Pt²⁺ in an aqueous solution, were evaluated for ferroxidase-like and antibacterial activity. Electron spin resonance (ESR) spectroscopy and colorimetric ...
- DOI:
- 10.1080/10590501.2019.1602991
- https://doi.org/10.1080/10590501.2019.1602991
- Author:
- Sabrina Belbekhouche; Noureddine Bousserrhine; Vanessa Alphonse; Benjamin Carbonnier
- Source:
- Food hydrocolloids 2019 v.95 pp. 219-227
- ISSN:
- 0268-005X
- Subject:
- Escherichia coli; Staphylococcus aureus; acridine orange; adsorption; agar; alginates; antibacterial properties; antibiotics; aqueous solutions; bacteria; bacterial culture; bacterial growth; beta-cyclodextrin; biopolymers; calcium carbonate; chelating agents; chitosan; electrolytes; fluorescence microscopy; hydrocolloids; microparticles; pH; plate count; quartz crystal microbalance; scanning electron microscopy; staining; virulent strains; zeta potential
- Abstract:
- ... Pathogenic bacteria resistance to antimicrobial agents has emerged as a major health issue. Developing new systems enabling inhibitory and bactericidal effects is crucial. Herein, layer-by-layer technique (LbL) was used to fabricate microcapsules composed of biopolymers, cationic polycyclodextrin (P(CD+)) and anionic alginate (alg−). This was achieved through successive adsorption of these polyele ...
- DOI:
- 10.1016/j.foodhyd.2019.04.037
- https://doi.org/10.1016/j.foodhyd.2019.04.037
- Author:
- Derek M. Gagnon; Rose C. Hadley; Andrew Ozarowski; Elizabeth M. Nolan; R. David Britt
- Source:
- Journal of physical chemistry 2019 v.123 no.23 pp. 4929-4934
- ISSN:
- 1520-5207
- Subject:
- ABC transporters; Staphylococcus aureus; Streptococcus pneumoniae; adhesins; aqueous solutions; chemical bonding; electron paramagnetic resonance spectroscopy; geometry; manganese; pathogenesis; pathogens; spectral analysis
- Abstract:
- ... During infection, the bacterial pathogens Staphylococcus aureus and Streptococcus pneumoniae employ ATP-binding cassette (ABC) transporters to acquire Mn(II), an essential nutrient, from the host environment. Staphylococcal MntABC and streptococcal PsaABC attract the attention of the biophysical and bacterial pathogenesis communities because of their established importance during infection. Previo ...
- DOI:
- 10.1021/acs.jpcb.9b03633
- PubMed:
- 31117618
- PubMed Central:
- PMC6590515
- https://doi.org/10.1021/acs.jpcb.9b03633
- Author:
- Runze Huang; Nachiket Vaze; Anand Soorneedi; Matthew D. Moore; Yalong Xue; Dhimiter Bello; Philip Demokritou
- Source:
- ACS sustainable chemistry & engineering 2019 v.7 no.24 pp. 19761-19769
- ISSN:
- 2168-0485
- Subject:
- Escherichia coli; Staphylococcus aureus; active ingredients; aqueous solutions; bacteriophages; byproducts; citric acid; disease transmission; food safety; hydrogen peroxide; hygiene; ionization; longevity; lysozyme; nanocarriers; nisin; pathogens; public health
- Abstract:
- ... Hand hygiene is a critical public health issue associated with disease transmission worldwide. Here, a nanotechnology-based approach has been employed to enhance hand hygiene using engineered water nanostructures (EWNS) synthesized by electrospray and ionization of antimicrobial aqueous solutions. The EWNS possess unique properties: have a tunable size in the nanoscale, are electrically charged, w ...
- DOI:
- 10.1021/acssuschemeng.9b05057
- https://doi.org/10.1021/acssuschemeng.9b05057
- Author:
- Amit Kumar Sharma; Balbir Singh Kaith; Bhuvanesh Gupta; Uma Shanker; Satya Pal Lochab
- Source:
- Cellulose 2019 v.26 no.2 pp. 991-1011
- ISSN:
- 0969-0239
- Subject:
- Bacillus cereus; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; bacteria; bacterial infections; cellulose; crosslinking; energy-dispersive X-ray analysis; gamma radiation; irradiation; microwave radiation; microwave treatment; nanocomposites; nanosilver; particle size; polyacrylamide; polyacrylic acid; scanning electron microscopy; silver; silver nitrate; super absorbent polymers; transmission electron microscopy; water binding capacity
- Abstract:
- ... This paper describes the fabrication of silver nanocomposites based on semi interpenetrating network (semi-IPN) and interpenetrating network (IPN) matrices and their antibacterial activity. The semi-IPN and IPN matrices were prepared under microwave radiation using polyacrylic acid and polyacrylamide chains to graft copolymerize the polysaccharide fraction of gum Salai guggal. After optimizing the ...
- DOI:
- 10.1007/s10570-018-2140-5
- https://doi.org/10.1007/s10570-018-2140-5
- Author:
- Mónica Cobos; Iker De-La-Pinta; Guillermo Quindós; M. Jesús Fernández; M. Dolores Fernández
- Source:
- Carbon 2019 v.150 pp. 101-116
- ISSN:
- 0008-6223
- Subject:
- Escherichia coli; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; antibacterial properties; antibiotic resistance; aqueous solutions; ascorbic acid; carbon; crystallization; exposure duration; glass transition; microbial activity; nanocomposites; nanosilver; polyvinyl alcohol; reducing agents; silver; silver nitrate; temperature; thermal stability
- Abstract:
- ... Due to the increasing occurrence and spread of antibiotic resistance pathogenic microorganisms, the development of antimicrobial materials has emerged as a strategy to control the bacterial activity and transmission. In this study, poly(vinyl alcohol)/silver nanoparticles-graphene oxide (PVA/AgNPs-GO) nanocomposites were synthesized by a one-step process with l-ascorbic acid as environmentally fri ...
- DOI:
- 10.1016/j.carbon.2019.05.011
- https://doi.org/10.1016/j.carbon.2019.05.011
- Author:
- Asli Celebioglu; Fuat Topuz; Zehra Irem Yildiz; Tamer Uyar
- Source:
- Carbohydrate polymers 2019 v.207 pp. 471-479
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Raman spectroscopy; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; cyclodextrins; nanofibers; nanosilver; reducing agents; silver; transmission electron microscopy
- Abstract:
- ... Antibacterial electrospun nanofibers based on cyclodextrin (CD) and silver nanoparticles (Ag-NPs) were produced by solution electrospinning from aqueous and DMF solutions using different Ag contents. CD molecules acted as the reducing agent and catalyzed the formation of Ag-NPs. The nanofibers with smaller diameters were observed for the fibers generated from DMF solutions than those produced from ...
- DOI:
- 10.1016/j.carbpol.2018.12.008
- https://doi.org/10.1016/j.carbpol.2018.12.008
- Author:
- Wei TongThese authors contributed equally to this work.; Yanhua Xiong; Shun Duan; Xiaokang Ding; Fu-Jian Xu
- Source:
- Biomaterials science 2019 v.7 no.5 pp. 1905-1918
- ISSN:
- 2047-4849
- Subject:
- DNA; Escherichia coli; Staphylococcus aureus; antibacterial properties; antibiotics; aqueous solutions; bacteria; bacterial infections; engineering; enzymes; epoxides; ethylenediamines; glass; hydrogen peroxide; lighting; minimum inhibitory concentration; nanoparticles; schiff bases; singlet oxygen; zinc
- Abstract:
- ... The design of novel antibacterial materials has attracted increasing attention for combating bacterial infections. Herein, we conjugated zinc(ii) monoamino phthalocyanine (ZnMAPc) to poly(glycidyl methacrylate) (PGMA) via a ring-opening reaction, and the excess epoxy groups were scavenged by ethylenediamine (ED). The resultant macro-photosensitizer (PGED-Pc) can be easily dispersed in aqueous solu ...
- DOI:
- 10.1039/c8bm01483c
- https://doi.org/10.1039/c8bm01483c
- Author:
- Vikash Kumar; Viraj G. Naik; Avijit Das; Sourayan Basu Bal; Malabika Biswas; Nupur Kumar; Anasuya Ganguly; Amrita Chatterjee; Mainak Banerjee
- Source:
- Tetrahedron 2019 v.75 no.27 pp. 3722-3732
- ISSN:
- 0040-4020
- Subject:
- DNA; Escherichia coli; Staphylococcus aureus; aqueous solutions; bacteria; chemical reactions; cost effectiveness; electrostatic interactions; ethylene glycol; fluorescence; fluorometry; image analysis; moieties; surfactants; water solubility
- Abstract:
- ... Available online Development of water soluble AIE-active “light-up” bioprobes for the detection of biomacromolecules has drawn huge research interests in recent past. In this study, a series of ethylene glycol modified water soluble tetrameric tetraphenylethylene amphiphiles with pyridinium polar heads (TPE-xEG-Py, x = 3, 4, 6 or 1a-c) have been synthesized by varying the ethylene glycol spacer. T ...
- DOI:
- 10.1016/j.tet.2019.05.044
- https://doi.org/10.1016/j.tet.2019.05.044
- Author:
- Shixin Fang; Guangjian Wang; Ronge Xing; Xiaolin Chen; Song Liu; Yukun Qin; Kecheng Li; Xueqin Wang; Rongfeng Li; Pengcheng Li
- Source:
- International journal of biological macromolecules 2019 v.132 pp. 575-584
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; acrylamides; acrylic acid; antibacterial properties; aqueous solutions; chemical structure; chitosan; free radicals; polymerization; salt tolerance; scanning electron microscopes; scanning electron microscopy; sodium chloride; super absorbent polymers; thermogravimetry
- Abstract:
- ... A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such as the initiator content, crosslinker content and PACS content were investigated. And the water retention, salt tolerance and re ...
- DOI:
- 10.1016/j.ijbiomac.2019.03.176
- https://doi.org/10.1016/j.ijbiomac.2019.03.176
- Author:
- Yan Cai; Jinfeng Cao; Chang Xu; Jinping Zhou
- Source:
- Carbohydrate polymers 2019 v.215 pp. 90-98
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; antibacterial properties; aqueous solutions; biocompatibility; chitosan; energy conservation; moieties; nuclear magnetic resonance spectroscopy; potassium hydroxide; separation; solubility; temperature; ultraviolet-visible spectroscopy; urea
- Abstract:
- ... A series of hydroxybutyl chitosans (HBCSs) with a degree of substitution (DS) ranging from 0.38 to 1.54 were homogeneously synthesized in KOH/LiOH/urea aqueous solutions under ambient conditions. The structure and solution properties of HBCSs were characterized by FT-IR, NMR, SEC-LLS, UV–vis, rheological and DLS measurements. The amino groups at C2 and hydroxyl groups at C3 and C6 participated in ...
- DOI:
- 10.1016/j.carbpol.2019.03.044
- https://doi.org/10.1016/j.carbpol.2019.03.044
- Author:
- Houria Alioui; Omar Bouras; Jean-Claude Bollinger
- Source:
- Journal of environmental science and health 2019 v.54 no.4 pp. 315-327
- ISSN:
- 1532-4117
- Subject:
- Aspergillus niger; Bacillus subtilis; Candida albicans; Escherichia coli; Fourier transform infrared spectroscopy; Klebsiella pneumoniae; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray diffraction; X-ray fluorescence spectroscopy; antibiotics; antimicrobial properties; aqueous solutions; bacteria; bones; calcium; calcium chloride; crystallites; fungi; hydroxyapatite; magnesium; magnesium chloride; metal ions; powders; scanning electron microscopy; sodium phosphate; teeth; zinc; zinc chloride
- Abstract:
- ... The use of synthetic hydroxyapatites (HAps) in biomedical and environmental applications is well warranted given that they have been shown to behave as an excellent bio-compatible material in human teeth and bones. In this paper, a series of HAps doped and co-doped with two metal cations (zinc and magnesium) has been successfully synthesized by means of the precipitation method using CaCl₂, Na₂HPO ...
- DOI:
- 10.1080/10934529.2018.1550292
- https://doi.org/10.1080/10934529.2018.1550292
- Author:
- Varun Kumar; Ridhima Wadhwa; Nitesh Kumar; Pawan Kumar Maurya
- Source:
- 3 Biotech 2019 v.9 no.1 pp. 7
- ISSN:
- 2190-572X
- Subject:
- Camellia sinensis; Escherichia coli; Staphylococcus aureus; absorbance; ambient temperature; antibacterial properties; aqueous solutions; catalysts; chemical reduction; enzymes; green tea; industry; leaves; light scattering; methylene blue; microorganisms; nanosilver; photocatalysis; plant extracts; reducing agents; scanning electron microscopy; ultraviolet-visible spectroscopy; virulent strains; water purification
- Abstract:
- ... Silver nanoparticles (AgNPs) are amongst the most fascinating nanomaterials which have been extensively synthesized by chemical reduction and biological method using enzymes, microorganisms and plant extracts. In our study, an aqueous extract of green tea was used as a stabilizing and reducing agent for AgNPs synthesis. The synthesized AgNPs were characterized by dynamic light scattering, UV–visib ...
- DOI:
- 10.1007/s13205-018-1544-0
- PubMed:
- 30622845
- PubMed Central:
- PMC6312826
- https://doi.org/10.1007/s13205-018-1544-0
- Author:
- Kai Lei; Xinran Wang; Xiaozhou Li; Lin Wang
- Source:
- Colloids and surfaces 2019 v.175 pp. 688-696
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; Staphylococcus aureus; active food packaging; antibacterial properties; antioxidant activity; aqueous solutions; calcium; carvacrol; chitosan; colloids; composite films; composite materials; cross-linking reagents; emulsifying; essential oils; ethanol; foil; hydrogen bonding; microgels; nanoemulsions; oils; polymers; shelf life; solvents; tin
- Abstract:
- ... Carvacrol (CA) was firstly made into physically stable nanoemulsions using an innovative spontaneous emulsification method with carvacrol itself as oil phase without introducing other carrier oils. Self-crosslinking carboxymethyl chitosan (CMC) microgels via intermolecular hydrogen bonds were then fabricated using a simple solvent exchange method with ethanol as poor solvent. The CMC microgels obt ...
- DOI:
- 10.1016/j.colsurfb.2018.12.054
- https://doi.org/10.1016/j.colsurfb.2018.12.054
- Author:
- A. P. S. Ramos; L. Gaban; S. H. P. Oliveira; C. D. L. Ramos
- Source:
- Acta horticulturae 2018 v. no.1198 pp. 1-8
- ISSN:
- 0567-7572
- Subject:
- Escherichia coli; Euphorbia; Klebsiella pneumoniae; Pseudomonas aeruginosa; Saccharomyces cerevisiae; Staphylococcus aureus; anti-inflammatory activity; antibacterial properties; aqueous solutions; cytotoxicity; in vitro studies; inflammation; latex; macrophages; mice; microbial culture; phagocytosis; titration; toxicity testing; yeasts; Brazil
- Abstract:
- ... The species Synadenuium umbellatum belongs to the Euphorbiaceae family and is widely found in South America and popularly known in Brazil as “cola-nota”, “avelós”, “cancerola” or “milagrosa”. The latex collected from this plant is empirically used as an aqueous solution for treatment of several purposes including anti-inflammatory and antimicrobial properties. The objective of this study was to in ...
- DOI:
- 10.17660/ActaHortic.2018.1198.1
- https://doi.org/10.17660/ActaHortic.2018.1198.1
- Author:
- Yasir Anwar
- Source:
- International journal of biological macromolecules 2018 v.111 pp. 1140-1145
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-radiation; adsorbents; adsorption; antibacterial properties; aqueous solutions; bacteria; chemical precipitation; chitosan; ions; lead; manganese oxides; microbial growth; nanocomposites; nanoparticles; scanning electron microscopy; thermogravimetry; zeta potential
- Abstract:
- ... In the current study, a facile and an eco-friendly manganese oxide nanoparticles dispersed in chitosan (CS-MnO2) nanocomposite was synthesized. A chemical precipitation method was used for the product synthesis. The product characterization was performed using various spectroscopic techniques such as X-ray scattering, scanning electron microscopy, Fourier transform infrared spectroscopy, thermogra ...
- DOI:
- 10.1016/j.ijbiomac.2018.01.096
- https://doi.org/10.1016/j.ijbiomac.2018.01.096
- Author:
- Maksym Tatariants; Samy Yousef; Sandra Sakalauskaitė; Rimantas Daugelavičius; Gintaras Denafas; Regita Bendikiene
- Source:
- Waste management 2018 v.78 pp. 521-531
- ISSN:
- 0956-053X
- Subject:
- Escherichia coli; Raman spectroscopy; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; chemical reduction; computer hardware; copper; copper nanoparticles; copper sulfate; cyclodextrins; electronic wastes; energy-dispersive X-ray analysis; mining; raw materials; recycling; risk; scanning electron microscopy; stabilizers; thermogravimetry; transmission electron microscopy; ultrasonic treatment
- Abstract:
- ... Waste Printed Circuit Boards (WPCBs) were classified as one of the most important resources for urban mining containing high purity Copper (Cu) and other valuable materials. Recently, a dissolution recycling approach enhanced by ultrasonic treatment succeeded in the liberation of Cu foils from WPCBs as received. This research aims to synthesize Copper Nanoparticles (Cu-NPs) from the recovered Cu b ...
- DOI:
- 10.1016/j.wasman.2018.06.016
- https://doi.org/10.1016/j.wasman.2018.06.016
- Author:
- Longzhan Gan; Shuai Zhang; Yi Zhang; Shuang He; Yongqiang Tian
- Source:
- Preparative biochemistry & biotechnology 2018 v.48 no.7 pp. 582-588
- ISSN:
- 1532-2297
- Subject:
- Bacillus endophyticus; Candida albicans; Escherichia coli; Fourier transform infrared spectroscopy; Salmonella Typhi; Staphylococcus aureus; X-ray diffraction; ambient temperature; antimicrobial properties; aqueous solutions; atomic force microscopy; bacteria; biosynthesis; extremophiles; habitats; hypersalinity; nanosilver; particle size; research programs; ribosomal RNA; salt tolerance; sequence analysis; storage temperature; transmission electron microscopy; ultraviolet-visible spectroscopy
- Abstract:
- ... We have conducted a thorough study on extracellular biosynthesis of silver nanoparticles (AgNPs) by a halotolerant bacterium Bacillus endophyticus SCU-L, which was identified by 16S rRNA gene sequencing analysis. This strain was selected during an ongoing research programme aimed at finding a novel biological method for green nanosynthetic routes using the extremophiles in unexplored hypersaline h ...
- DOI:
- 10.1080/10826068.2018.1476880
- https://doi.org/10.1080/10826068.2018.1476880
- Author:
- Shengnan Liang; Qifeng Dang; Chengsheng Liu; Yubei Zhang; Yan Wang; Wenjing Zhu; Guozhu Chang; Hantian Sun; Dongsu Cha; Bing Fan
- Source:
- Carbohydrate polymers 2018 v.195 pp. 275-287
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Klebsiella pneumoniae; Pseudomonas aeruginosa; Staphylococcus aureus; Staphylococcus epidermidis; X-ray diffraction; antibacterial properties; antibiotics; aqueous solutions; bacteria; chitin; crystal structure; differential thermal analysis; hydrophobicity; membrane permeability; moieties; molecular weight; nuclear magnetic resonance spectroscopy; nucleic acids; pH; polymerization; solubility; thermal stability; thermogravimetry
- Abstract:
- ... This work aims to synthesize poly(aminoethyl) modified chitin (PAEMC) and ascertain its antibacterial activity and mechanism. FTIR and 1H NMR results proved aminoethyl moieties were grafted to C6OH and C3OH on chitin backbone in the form of polymerization. XRD and TG/DTG analyses manifested its well-defined crystallinity and thermostability. PAEMC, with average molecular weight (MW) of 851.0 kDa, ...
- DOI:
- 10.1016/j.carbpol.2018.04.109
- https://doi.org/10.1016/j.carbpol.2018.04.109
- Author:
- Dina M. Silva; Heema Kumari Nilesh Vyas; Martina L. Sanderson-Smith; Vitor Sencadas
- Source:
- Powder technology 2018 v.330 pp. 201-209
- ISSN:
- 0032-5910
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; bioactive properties; ciprofloxacin; drug delivery systems; drugs; encapsulation; gelatin; lungs; microparticles; minimum inhibitory concentration; models; patient compliance; pharmacodynamics; pharmacokinetics; polymers; powders; spray drying; water solubility
- Abstract:
- ... Polymeric particles are a versatile class of local or systemic drug delivery systems, used to improve drugs pharmacokinetics and pharmacodynamics along with patient compliance. Herein, we report a rapid, scalable, and optimized method to encapsulate ciprofloxacin (CPx), a poor water soluble antimicrobial agent, in gelatin microparticles by single step processing via spray-drying of an aqueous solu ...
- DOI:
- 10.1016/j.powtec.2018.02.029
- https://doi.org/10.1016/j.powtec.2018.02.029
- Author:
- Lingli Deng; Maierhaba Taxipalati; Aiping Zhang; Fei Que; Hewen Wei; Fengqin Feng; Hui Zhang
- Source:
- Journal of agricultural and food chemistry 2018 v.66 no.24 pp. 6219-6226
- ISSN:
- 1520-5118
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; antimicrobial properties; aqueous solutions; cell membranes; chitosan; contact angle; crystal structure; electrostatic interactions; fluorescence; hydrogen bonding; hydrophilicity; melting point; nanofibers; physical properties; polyethylene glycol; thermal analysis
- Abstract:
- ... In this study, chitosan/poly(ethylene oxide) (PEO)/lauric arginate (LAE) composite nanofibrous films were fabricated via electrospinning. The addition of LAE did not change the physical properties of chitosan/PEO in acetic aqueous solutions, but increased the fluorescent intensity of chitosan by electrostatic interactions, resulting in uniform and bead-free nanofibers with an average diameter of 1 ...
- DOI:
- 10.1021/acs.jafc.8b01493
- https://doi.org/10.1021/acs.jafc.8b01493
- Author:
- Qiuquan Cai; Shuliang Yang; Chao Zhang; Zimeng Li; Xiaodong Li; Zhiquan Shen; Weipu Zhu
- Source:
- ACS applied materials & interfaces 2018 v.10 no.44 pp. 38506-38516
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; Staphylococcus aureus; aldehydes; amines; antibacterial properties; aqueous solutions; biosecurity; chemical bonding; coatings; fabrics; guanidines; hydrophilicity; hygroscopicity; lint cotton; oxidation; polysaccharides; schiff bases; sodium; toxicity; washing
- Abstract:
- ... Natural fibers with functionalities have attracted considerable attention. However, developing facile and versatile strategies to modify natural fibers is still a challenge. In this study, cotton fibers, the most widely used natural fibers, were partially oxidized by sodium periodate in aqueous solution, to give oxidized cotton fibers containing multiple aldehyde groups on their surface. Then poly ...
- DOI:
- 10.1021/acsami.8b14986
- https://doi.org/10.1021/acsami.8b14986
- Author:
- Mohammad Nahid Siddiqui; Halim Hamid Redhwi; Dimitris S. Achilias; Elena Kosmidou; Eythimia Vakalopoulou; Maria D. Ioannidou
- Source:
- Journal of polymers and the environment 2018 v.26 no.2 pp. 423-433
- ISSN:
- 1566-2543
- Subject:
- Bacillus cereus; Bacillus subtilis; Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; anti-infective agents; antimicrobial properties; aqueous solutions; bacteria; honey; molecular weight; nanoparticles; nanosilver; pH; particle size; polyethylene glycol; reducing agents; silver; silver nitrate; ultraviolet-visible spectroscopy
- Abstract:
- ... One of the major disadvantages of polymers when used in food-contact applications is that they are very susceptible to microbial attack. On the other hand, silver nanoparticles have received increased attention as novel antimicrobial agents. Therefore, the introduction of silver nanoparticles into conventional polymers results in new materials with improved properties. In this investigation, collo ...
- DOI:
- 10.1007/s10924-017-0962-0
- https://doi.org/10.1007/s10924-017-0962-0
- Author:
- Mona Jasmine R. Ahonen; Dakota J. Suchyta; Huanyu Zhu; Mark H. Schoenfisch
- Source:
- Biomacromolecules 2018 v.19 no.4 pp. 1189-1197
- ISSN:
- 1526-4602
- Subject:
- Pseudomonas aeruginosa; Staphylococcus aureus; alginates; antibacterial properties; aqueous solutions; bacteria; biofilm; biopolymers; carboxylic acids; epithelium; half life; humans; molecular weight; nitric oxide; pathogens; plankton; secondary amines; therapeutics; toxicity; viability
- Abstract:
- ... Low and high molecular weight alginate biopolymers were chemically modified to store and release potentially therapeutic levels of nitric oxide (NO). Carbodiimide chemistry was first used to modify carboxylic acid functional groups with a series of small molecule alkyl amines. The resulting secondary amines were subsequently converted to N-diazeniumdiolate NO donors via reaction with NO gas under ...
- DOI:
- 10.1021/acs.biomac.8b00063
- PubMed:
- 29551064
- PubMed Central:
- PMC6759059
- https://doi.org/10.1021/acs.biomac.8b00063
- Author:
- Matea Korica; Lidija Fras Zemljič; Matej Bračič; Rupert Kargl; Stefan Spirk; David Reishofer; Katarina Mihajlovski; Mirjana Kostić
- Source:
- Holzforschung 2018 v.73 no.1 pp. 93-103
- ISSN:
- 1437-434X
- Subject:
- Escherichia coli; Staphylococcus aureus; absorbance; antibacterial properties; aqueous solutions; atomic force microscopy; bovine serum albumin; cellulose; chitosan; dispersions; nanofibers; pH; quartz crystal microbalance; value-added products; water content
- Abstract:
- ... Nanostructured and bio-active polysaccharide-based thin films were manufactured by means of subsequent spin-coated deposition of a regenerated cellulose (RC) layer and a 2,2,6,6-Tetramethylpiperidine-1-oxyl radical (TEMPO) oxidised cellulose nanofibril (TOCN) layer. The bio-activity of the bilayer was achieved by addition of chitosan (CS). The chitosan was either mixed with the TOCN (TOCN+CS) and ...
- DOI:
- 10.1515/hf-2018-0094
- https://doi.org/10.1515/hf-2018-0094
- Author:
- He Ren; Yongbo Lyu; Xinying Li; Shuxiao Zhang; Yusong Ye; Defu Li; Changdao Mu
- Source:
- Food research international 2018 v.111 pp. 237-243
- ISSN:
- 0963-9969
- Subject:
- Escherichia coli; Gram-negative bacteria; Staphylococcus aureus; antibacterial properties; antibiotics; apples; aqueous solutions; beta-cyclodextrin; dispersibility; food industry; microbial contamination; microbial growth; minimum inhibitory concentration; oligosaccharides; oxidation; solubility
- Abstract:
- ... Consumers demand more alternatives of riskless antibacterial agents to prevent microbial contamination in food industry. Oxidized carbohydrate may be a potential option as new antibacterial agent. However, the relatively weak antibacterial property of oxidized carbohydrate is not satisfactory. In this paper, dialdehyde β-cyclodextrins with different oxidation degree were prepared by periodate oxid ...
- DOI:
- 10.1016/j.foodres.2018.05.039
- https://doi.org/10.1016/j.foodres.2018.05.039
- Author:
- Fei Xu; Ying Li; Justen Ahmad; Yonggang Wang; Dorothy E Scott; Jaroslav G Vostal
- Source:
- FEMS microbiology letters 2018 v.365 no.4 pp. -
- ISSN:
- 1574-6968
- Subject:
- Bacillus cereus; Escherichia coli; Klebsiella pneumoniae; Pseudomonas aeruginosa; Staphylococcus aureus; Staphylococcus epidermidis; antibacterial properties; antibiotic resistance; aqueous solutions; bacteria; free radicals; humans; hydroxyl radicals; oxygen; photosensitizing agents; superoxide anion; ultraviolet radiation; virulent strains
- Abstract:
- ... Photodynamic treatment combining light and a photosensitizer molecule can be an effective method to inactivate pathogenic bacteria. This study identified vitamin K5 as an efficient photosensitizer for ultraviolet light A (UVA)-induced bacterial inactivation. Six bacterial species, Bacillus cereus (vegetative form), Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus epi ...
- DOI:
- 10.1093/femsle/fny005
- https://doi.org/10.1093/femsle/fny005
- Author:
- Jiao Xu; Yaping Zhang; Yuvaraja Gutha; Weijiang Zhang
- Source:
- Colloids and surfaces 2017 v.156 pp. 340-348
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Gibbs free energy; Staphylococcus aureus; X-ray diffraction; adsorbents; adsorption; alcohols; antibacterial properties; aqueous solutions; biocompatibility; chitosan; colloids; copper; endothermy; enthalpy; entropy; ions; models; pH; polyvinyl alcohol; scanning electron microscopy; sorption isotherms; temperature; transmission electron microscopy; zinc oxide
- Abstract:
- ... The feasibility of using chitosan/Poly(vinyl alcohol)/ZnO beads (CS/PVA/ZnO) as an adsorbent for removal of Cu(II) ions from aqueous solutions was studied in a batch method. The developed adsorbent material was characterized by XRD, FTIR, SEM and TEM analysis. Pure ZnO shows the characteristic peaks at (100), (002), (101), (102), (110), (103), (200) and (112) that were in good agreement with wurtz ...
- DOI:
- 10.1016/j.colsurfb.2017.05.028
- https://doi.org/10.1016/j.colsurfb.2017.05.028
- Author:
- Wang Haiye; Jasensky Joshua; Ulrich Nathan W.; Cheng Junjie; Huang Hao; Chen Zhan; He Chunju
- Source:
- Langmuir 2017 v.33 no.47 pp. 13689-13698
- ISSN:
- 1520-5827
- Subject:
- Escherichia coli; Phaeodactylum tricornutum; Staphylococcus aureus; antibacterial properties; aquatic organisms; aqueous solutions; bacteria; coatings; crosslinking; deuterium oxide; hydrophilicity; hydrophobicity; polyethylene glycol; soaking; spectroscopy
- Abstract:
- ... Novel photocurable ternary polymer networks were prepared by incorporating N-(4-hydroxy-3-methoxybenzyl)-acrylamide (HMBA) into a cross-linked thiol–ene network based on poly(ethylene glycol)diacrylate (PEGDA) and (mercaptopropyl)methylsiloxane homopolymers (MSHP). The ternary network materials displayed bactericidal activity against Escherichia coli and Staphylococcus aureus and reduced the attac ...
- DOI:
- 10.1021/acs.langmuir.7b03098
- https://doi.org/10.1021/acs.langmuir.7b03098
- Author:
- Jia Hao-Ran; Zhu Ya-Xuan; Chen Zhan; Wu Fu-Gen
- Source:
- ACS Applied Materials & Interfaces 2017 v.9 no.19 pp. 15943-15951
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; aqueous solutions; bacterial infections; chemical elements; cholesterol; cytotoxicity; engineering; fluorescence; hydrophobicity; irradiation; mammals; multiple drug resistance; nanoparticles; photochemotherapy; photosensitizing agents; polyethylene glycol; protoporphyrin; singlet oxygen; white light
- Abstract:
- ... Antibacterial photodynamic therapy (PDT), which enables effective killing of regular and multidrug-resistant (MDR) bacteria, is a promising treatment modality for bacterial infection. However, because most photosensitizer (PS) molecules fail to strongly interact with the surface of Gram-negative bacteria, this technique is suitable for treating only Gram-positive bacterial infection, which largely ...
- DOI:
- 10.1021/acsami.7b02562
- https://doi.org/10.1021/acsami.7b02562
- Author:
- X.‐F. Xia; Y. Li; X.‐Q. Yu; J.‐H. Lin; S.‐Y. Li; Q. Li; M.‐S. You
- Source:
- Insect molecular biology 2017 v.26 no.5 pp. 564-573
- ISSN:
- 0962-1075
- Subject:
- Escherichia coli; Plutella xylostella; Staphylococcus aureus; antimicrobial peptides; antimicrobial properties; aqueous solutions; circular dichroism spectroscopy; complementary DNA; immune response; innate immunity; insects; microbial growth; pests; scanning electron microscopy; vegetables
- Abstract:
- ... Antimicrobial peptides (AMPs) are small‐molecule peptides that play crucial roles in insect innate immune responses. To better understand the function of AMPs in Plutella xylostella, one of the main pests of cruciferous vegetables, three full‐length cDNAs encoding moricins were cloned from Pl. xylostella. Two variants of the moricin named PxMor2 and PxMor3 were heterologously expressed and purifie ...
- DOI:
- 10.1111/imb.12319
- https://doi.org/10.1111/imb.12319
- Author:
- Binaymotlagh Roya; Farrokhpour Hossein; Hadadzadeh Hassan; Mirahmadi-Zare Seyede Zohreh; Amirghofran Zahra
- Source:
- The Journal of Physical Chemistry C 2017 v.121 no.15 pp. 8589-8600
- ISSN:
- 1932-7455
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; T-lymphocytes; adsorption; anions; antibacterial properties; antineoplastic activity; aqueous solutions; binding sites; cytotoxicity; fluorescence; foil; gold; inhibitory concentration 50; nanogold; nitrogen; oxygen; pathogens; spectral analysis; sulfur dioxide; transmission electron microscopy
- Abstract:
- ... Gold nanoparticle–piroxicam anion conjugates (Au NP–Pir) were synthesized in a green method using laser ablation of a gold foil in an aqueous solution of anionic piroxicam (NaPir). The produced Au NP–Pir conjugates were characterized by different spectroscopic techniques and transmission electron microscopy. The fluorescence and absorption spectra of Au NP–Pir colloidal solution were recorded at d ...
- DOI:
- 10.1021/acs.jpcc.6b12962
- https://doi.org/10.1021/acs.jpcc.6b12962
- Author:
- Young-Hee Lee; Seul-Gi Lee; Eun-Kyung Hwang; Young-Mee Baek; Sunja Cho; Han-Do Kim
- Source:
- Textile research journal v.87 no.8 pp. 973-983
- ISSN:
- 1746-7748
- Subject:
- Commiphora myrrha; Klebsiella pneumoniae; Staphylococcus aureus; acetic acid; ammonia; antibacterial properties; aqueous solutions; color; copper; cotton; deodorization; dyes; polysaccharides; silk; solvents; washing; wool; woolen fabric
- Abstract:
- ... An aqueous solution containing a natural colorant (myrrh extract) was obtained by extraction from myrrh using water as an extracting solvent at 90℃ for 90 min with a fixed material to liquor ratio of 1:10. The dyeing properties, color fastness and deodorizing/antibacterial performance of fabrics (cotton, silk and wool fabrics) dyed with myrrh extract were evaluated. The main component in myrrh ext ...
- DOI:
- 10.1177/0040517516646055
- https://doi.org/10.1177/0040517516646055
- Author:
- Eman F. Aboelfetoh; Rania A. El-Shenody; Mohamed M. Ghobara
- Source:
- Environmental monitoring and assessment 2017 v.189 no.7 pp. 349
- ISSN:
- 0167-6369
- Subject:
- Caulerpa; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; Salmonella Typhi; Shigella; Staphylococcus aureus; X-ray diffraction; algae; antibacterial properties; aqueous solutions; catalytic activity; nanosilver; pH; particle size; reaction kinetics; surface plasmon resonance; temperature; transmission electron microscopy; ultraviolet-visible spectroscopy; wastewater treatment
- Abstract:
- ... Stable colloidal silver nanoparticles (AgNPs) were synthesized using Caulerpa serrulata (green marine algae) aqueous extract as an efficient reducing and stabilizing agent. This method is considered to be a sustainable alternate to the more complicated chemical procedures. To achieve the optimization synthesis of AgNPs, several effects such as extract concentration, contact time, pH values, and te ...
- DOI:
- 10.1007/s10661-017-6033-0
- https://doi.org/10.1007/s10661-017-6033-0
- Author:
- Yumin Zhang; Huijuan Song; Hao Zhang; Pingsheng Huang; Jinjian Liu; Liping Chu; Jianfeng Liu; Weiwei Wang; Zhen Cheng; Deling Kong
- Source:
- Journal of polymer science 2017 v.55 no.9 pp. 1512-1523
- ISSN:
- 0887-624X
- Subject:
- Bacillus subtilis; Fourier transform infrared spectroscopy; Staphylococcus aureus; alanine; antibacterial properties; aqueous solutions; chemical structure; circular dichroism spectroscopy; composite polymers; copolymerization; crystallization; hydrogels; hydrophobicity; melting point; nanomaterials; nuclear magnetic resonance spectroscopy; polypeptides; temperature; transmission electron microscopy
- Abstract:
- ... Tuning the secondary structure of polypeptide is an effective strategy to modulate the assembly behaviors of polypeptide‐based copolymers. In this study, ring‐opening polymerization of l‐alanine (Ala) and γ‐benzyl‐l‐glutamate (BLG) N‐carboxyanhydrides was adopted using mPEG‐NH₂ as the initiator to prepare mPEG‐poly(l‐alanine‐co‐γ‐benzyl‐l‐glutamate) (PEAB) copolymers with various Ala to BLG ratios ...
- DOI:
- 10.1002/pola.28516
- https://doi.org/10.1002/pola.28516
- Author:
- Yiwen Zhu; Chen Xu; Yu Wang; Yaqing Chen; Xiaokang Ding; Bingran Yu
- Source:
- RSC advances 2017 v.7 no.52 pp. 32632-32636
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Gram-positive bacteria; Staphylococcus aureus; aqueous solutions; detection limit; endotoxins; lipopolysaccharides; luminescence; methyl ethers; pathogens; platinum; pyridines
- Abstract:
- ... A luminescence probe based on chloroplatinum(ii) complexes of 2,6-bis(benzimidazol-2′-yl)pyridine with hexaethylene glycol methyl ether groups ([Pt(N^N^N)Cl]⁺) was reported for sensing of the lipopolysaccharide (LPS) endotoxin and rapid discrimination of Gram-negative and Gram-positive bacterial pathogens. [Pt(N^N^N)Cl]⁺ can be dissolved in aqueous solution with minimal luminescence emission. In t ...
- DOI:
- 10.1039/c7ra03312e
- https://doi.org/10.1039/c7ra03312e
- Author:
- Chuncai Zhou; Xinyu Zhou; Xiaokai Su
- Source:
- RSC advances 2017 v.7 no.63 pp. 39718-39725
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Staphylococcus aureus; antibacterial properties; antibiotic resistance; antibiotics; antimicrobial peptides; antineoplastic agents; aqueous solutions; atomic force microscopy; bacteria; biodegradability; biodegradation; cell viability; composite polymers; cytotoxicity; drug carriers; lipids; lysine; minimum inhibitory concentration; polymerization; transmission electron microscopy; viability assays
- Abstract:
- ... A novel biodegradable and noncytotoxic polycaprolactone-polyethyleneglycol-ε-poly(l-lysine) (PCL-PEG-EPL) triblock copolymer was synthesized via the combination of ring-opening polymerization and facile coupling reactions. The triblock copolymer can self-assemble into vesicles in aqueous solution, and PCL forms the vesicle membrane, whereas the PEG and EPL blocks constitute the vesicle coronas. At ...
- DOI:
- 10.1039/c7ra07102g
- https://doi.org/10.1039/c7ra07102g
- Author:
- Hui Liang; Jialin Xu; Yunfeng Liu; Jianxing Zhang; Wei Peng; Jinhua Yan; Zelin Li; Qingyong Li
- Source:
- Journal of photochemistry and photobiology 2017 v.173 pp. 389-396
- ISSN:
- 1011-1344
- Subject:
- Escherichia coli; Staphylococcus aureus; antibacterial properties; aqueous solutions; color; hydrogels; pH; periodontitis; photochemotherapy; response surface methodology; sodium hydroxide; temperature; toluidine blue; viscosity
- Abstract:
- ... Photodynamic therapy with toluidine blue O (TBO) hydrogel exhibits antibacterial activity against Staphylococcus aureus and Escherichia coli in this paper. The response surface methodology is employed to optimize formulations for antibacterial activity. The optimal formulations are carbomer concentration of 3% (w/v), TBO concentration of 0.1mg/mL and the quality ratio of NaOH and carbomer of 0.4 ( ...
- DOI:
- 10.1016/j.jphotobiol.2017.06.019
- https://doi.org/10.1016/j.jphotobiol.2017.06.019
- Author:
- Hisey Benjamin; Ragogna Paul J.; Gillies Elizabeth R.
- Source:
- Biomacromolecules 2017 v.18 no.3 pp. 914-923
- ISSN:
- 1526-4602
- Subject:
- Escherichia coli; Gram-positive bacteria; Staphylococcus aureus; antibacterial properties; antibiotic resistance; antibiotics; aqueous solutions; bacterial infections; cations; composite polymers; erythrocytes; hemolysis; micelles; minimum inhibitory concentration; polyethylene glycol; zeta potential
- Abstract:
- ... New approaches to treat bacterial infections are badly needed to address the increasing problem of antibiotic resistance. This study explores phosphonium-functionalized block copolymer micelles as intrinsically antibacterial polymer assemblies. Phosphonium cations with varying alkyl lengths were conjugated to the terminus of a poly(ethylene oxide)–polycaprolactone block copolymer, and the phosphon ...
- DOI:
- 10.1021/acs.biomac.6b01785
- https://doi.org/10.1021/acs.biomac.6b01785
- Author:
- Konstantin Gabov; Terhi Oja; Takahiro Deguchi; Adyary Fallarero; Pedro Fardim
- Source:
- Cellulose 2017 v.24 no.2 pp. 641-658
- ISSN:
- 0969-0239
- Subject:
- Betula; Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; antibacterial properties; aqueous solutions; cellulose; fluorescence microscopy; leaching; lignin; porosity; urea; wood
- Abstract:
- ... In the present study, cellulose-lignin beads were prepared using pretreated dissolving grade-pulp and extracted from birch wood hydrotropic lignin as starting materials. The preparation involved dissolution of both polymers in environmentally friendly 7% NaOH/12% urea aqueous solution, shaping the solution into beads and subsequent regeneration. Lignin content in the beads varied from 0 to 40%. Th ...
- DOI:
- 10.1007/s10570-016-1172-y
- https://doi.org/10.1007/s10570-016-1172-y
- Author:
- Y. Ortiz-Rivera; R. Sánchez-Vega; N. Gutiérrez-Méndez; J. León-Félix; C. Acosta-Muñiz; D.R. Sepulveda
- Source:
- Journal of dairy science 2017 v.100 no.6 pp. 4258-4268
- ISSN:
- 0022-0302
- Subject:
- Escherichia coli; Lactobacillus reuteri; Listeria monocytogenes; Penicillium expansum; Staphylococcus aureus; Streptococcus thermophilus; acidity; antimicrobial properties; aqueous solutions; cold storage; color; fermented milk; glycerol; lactic acid bacteria; loss modulus; pH; pathogens; rheology; shelf life; spoilage; spoilage microorganisms; total soluble solids; viability
- Abstract:
- ... We assessed the antimicrobial activity of reuterin produced in vitro in glycerol aqueous solutions in situ by Lactobacillus reuteri ATCC 53608 as part of a fermented milk product against starter (Lactobacillus delbrueckii ssp. bulgaricus and Streptococcus thermophilus), spoilage (Penicillium expansum), pathogenic (Staphylococcus aureus Salmonella enterica ssp. enterica, and Listeria monocytogenes) ...
- DOI:
- 10.3168/jds.2016-11534
- https://doi.org/10.3168/jds.2016-11534
- Author:
- Gau Elisabeth; Mate Diana M.; Zou Zhi; Oppermann Alex; Töpel Alexander; Jakob Felix; Wöll Dominik; Schwaneberg Ulrich; Pich Andrij
- Source:
- Biomacromolecules 2017 v.18 no.9 pp. 2789-2798
- ISSN:
- 1526-4602
- Subject:
- Staphylococcus aureus; aqueous solutions; confocal microscopy; fluorescence; green fluorescent protein; sortase A
- Abstract:
- ... In this work we explored an enzyme-mediated method for selective and efficient decoration of aqueous microgels with biomolecules. Poly(N-vinylcaprolactam) (VCL) microgels with varied amounts of glycidyl methacrylate (GMA) as comonomer incorporated in the microgel shell were synthesized and characterized in regard to their size, swelling degree, and temperature-responsiveness in aqueous solutions. ...
- DOI:
- 10.1021/acs.biomac.7b00720
- https://doi.org/10.1021/acs.biomac.7b00720
- Author:
- N. S. Alahmadi; J. W. Betts; F. Cheng; M. G. Francesconi; S. M. Kelly; A. Kornherr; T. J. Prior; J. D. Wadhawan
- Source:
- RSC advances 2017 v.7 no.32 pp. 20020-20026
- ISSN:
- 2046-2069
- Subject:
- Acinetobacter baumannii; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; aqueous solutions; cellulose; cellulosic fibers; cobalt; hydrogen; ions; magnetic properties; magnetism; models; nanocomposites; nanoparticles; reducing agents; secondary infection; sodium borohydride; wastewater treatment
- Abstract:
- ... Green synthesis is employed to prepare cobalt/cellulose nanocomposites with cubic (α-cobalt) cobalt as a main component with antibacterial and magnetic properties. An in situ reduction of aqueous solutions of cobalt ions on a model cellulose substrate surface using hydrogen gas affords spherical, cellulose-stabilised cobalt nanoclusters with magnetic properties and an average diameter of 7 nm that ...
- DOI:
- 10.1039/c7ra00920h
- https://doi.org/10.1039/c7ra00920h
- Author:
- P. Delcanale; B. Rodríguez-Amigo; J. Juárez-Jiménez; F. J. Luque; S. Abbruzzetti; M. Agut; S. Nonell; C. Viappiani
- Source:
- Journal of materials chemistry B 2017 v.5 no.8 pp. 1633-1641
- ISSN:
- 2050-7518
- Subject:
- Staphylococcus aureus; aqueous solutions; bacteria; beta-lactoglobulin; biocompatibility; dimethyl sulfoxide; drug carriers; fluorescence; hydrophobicity; hypericin; milk; photosensitivity; photosensitizing agents; singlet oxygen; solvents; water solubility; whey protein
- Abstract:
- ... Aggregation is a major problem for the anti-microbial photodynamic applications of hydrophobic photosensitizers since it strongly reduces the amount of singlet oxygen generated in aqueous solutions. Binding of hypericin (Hyp) to the milk whey protein β-lactoglobulin (βLG), occurring at the two hydrophobic cavities located at the interface of the protein homodimer, can be exploited to confer water- ...
- DOI:
- 10.1039/c7tb00081b
- https://doi.org/10.1039/c7tb00081b
- Author:
- Xiong Zhi-Chao; Yang Zi-Yue; Zhu Ying-Jie; Chen Fei-Fei; Zhang Yong-Gang; Yang Ri-Long
- Source:
- ACS Applied Materials & Interfaces 2017 v.9 no.27 pp. 22212-22222
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; Staphylococcus aureus; ambient temperature; antibacterial properties; antibiotics; aqueous solutions; bacterial infections; biocompatibility; ciprofloxacin; diameter; drugs; hydroxyapatite; ions; minimum inhibitory concentration; nanosilver; nanowires; pH; paper; public health; reducing agents; silver; silver nitrate; solar radiation; surface area
- Abstract:
- ... Hydroxyapatite is a kind of biocompatible, environmentally friendly, and versatile inorganic biomaterial. Herein, the preparation of ultralong hydroxyapatite nanowires (HAPNWs)-based antibacterial paper co-loaded with silver nanoparticles (AgNPs) and antibiotic is reported. HAPNWs are used to prepare AgNPs in situ using an aqueous solution containing AgNO₃ under the sunlight without added reducing ...
- DOI:
- 10.1021/acsami.7b05208
- https://doi.org/10.1021/acsami.7b05208
- Author:
- Sung-Ho Hwang; Sang Kyoo Lim; Seong Hui Hong; Soonhyun Kim; Won Mi Choi; Jae Sung Han; Seung Hwan Lee
- Source:
- Textile research journal v.86 no.12 pp. 1231-1240
- ISSN:
- 1746-7748
- Subject:
- Klebsiella pneumoniae; Staphylococcus aureus; adsorption; antibacterial properties; aqueous solutions; bacteria; irradiation; metal ions; methanol; nanoparticles; nanosilver; nozzles; platinum; polyesters; silver; silver nitrate; titanium dioxide; ultraviolet radiation
- Abstract:
- ... In this work, we tried to enhance anti-bacterial activity of fabric fibers by controlling the shape of filaments, such as tetragonal and cross-pillar, which led to an increase of the surface portion of filaments. With this purpose, silver and platinum nanoparticles were immobilized on the surface of TiO₂ nanoparticles within tetragonal and cross-pillar-shaped polyester (PET) filaments. The process ...
- DOI:
- 10.1177/0040517515609256
- https://doi.org/10.1177/0040517515609256
- Author:
- K. Anand; C. Tiloke; A. Phulukdaree; B. Ranjan; A. Chuturgoon; S. Singh; R.M. Gengan
- Source:
- Journal of photochemistry and photobiology 2016 v.165 pp. 87-95
- ISSN:
- 1011-1344
- Subject:
- Artemia; Bacillus cereus; Candida albicans; Candida utilis; Enterococcus faecalis; Escherichia coli; Fourier transform infrared spectroscopy; Moringa oleifera; Staphylococcus aureus; acetates; agroforestry; antibacterial properties; aqueous solutions; biomass; biosynthesis; biphenyl; catalysts; cell lines; cell viability; chemical composition; chemical reactions; color; cytotoxicity; death; effluents; energy-dispersive X-ray analysis; flowers; gas chromatography-mass spectrometry; humans; lung neoplasms; lymphocytes; methylene blue; nanoparticles; neoplasm cells; p-nitrophenol; palladium; scanning electron microscopy; toxicity testing; transmission electron microscopy; ultraviolet-visible spectroscopy; viability assays
- Abstract:
- ... The biosynthesis of nanostructured biopalladium nanoparticles (PdNPs) from an aqueous solution of crystalline palladium acetate is reported. For the synthesised PdNPs in solution, an agroforest biomass waste petal of Moringa oleifera derived bis-phthalate was used as natural reducing and biocapping agents. Continuous absorption in the UV region and subsequent brown colour change confirmed the form ...
- DOI:
- 10.1016/j.jphotobiol.2016.09.039
- https://doi.org/10.1016/j.jphotobiol.2016.09.039
92. Carbon Dot-Based Platform for Simultaneous Bacterial Distinguishment and Antibacterial Applications
- Author:
- Yang Jingjing; Zhang Xiaodong; Ma Yong-Hao; Gao Ge; Chen Xiaokai; Jia Hao-Ran; Li Yan-Hong; Chen Zhan; Wu Fu-Gen
- Source:
- ACS Applied Materials & Interfaces 2016 v.8 no.47 pp. 32170-32181
- ISSN:
- 1944-8252
- Subject:
- Gram-positive bacteria; Staphylococcus aureus; ammonium; antibacterial properties; antibiotics; aqueous solutions; betaine; carbon quantum dots; cytotoxicity; fluorescence; hydrophobicity; image analysis; minimum inhibitory concentration; wavelengths
- Abstract:
- ... In this work, we prepared quaternized carbon dots (CDs) with simultaneous antibacterial and bacterial differentiation capabilities using a simple carboxyl–amine reaction between lauryl betaine and amine-functionalized CDs. The obtained quaternized CDs have several fascinating properties/abilities: (1) A long fluorescence emission wavelength ensures the exceptional bacterial imaging capability, inc ...
- DOI:
- 10.1021/acsami.6b10398
- https://doi.org/10.1021/acsami.6b10398
- Author:
- Takashi Kuda; Takashi Koyanagi; Gensui Shibata; Hajime Takahashi; Bon Kimura
- Source:
- Lebensmittel-Wissenschaft + Technologie 2016 v.74 pp. 251-254
- ISSN:
- 0023-6438
- Subject:
- Salmonella; Staphylococcus aureus; ambient temperature; aqueous solutions; bacteria; benzalkonium chloride; carrots; cell viability; cross contamination; disinfectants; drying; ethanol; pathogens; stainless steel; sweet peppers
- Abstract:
- ... To clarify the effects of vegetable residues on the resistances of food-related pathogens to drying and disinfectants, Salmonella Thyphimurium was dried with 50% w/w aqueous solutions of seven vegetables and cell survival was assessed. Bacterial suspensions in distilled water or aqueous solutions (0.1 ml of 8 log CFU/ml) were placed on 50 mmφ stainless dishes and dried at room temperature for 120 ...
- DOI:
- 10.1016/j.lwt.2016.07.048
- https://doi.org/10.1016/j.lwt.2016.07.048
- Author:
- Sana Farhoudian; Mehdi Yadollahi; Hassan Namazi
- Source:
- International journal of biological macromolecules 2016 v.82 pp. 837-843
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; antibacterial properties; aqueous solutions; bacteria; chitosan; crosslinking; cupric oxide; drug delivery systems; hydrocolloids; nanocomposites; nanoparticles; pH; scanning electron microscopy; sodium tripolyphosphate
- Abstract:
- ... CuO nanoparticles were synthesized in situ during the formation of physically cross-linked chitosan hydrogel beads using sodium tripolyphosphate as the cross-linker. The aim of the study was to investigate whether these nanocomposite beads have the potential to be used in drug delivery applications. The formation of CuO nanoparticles (CuONPs) in the hydrogels was confirmed by X-ray diffraction and ...
- DOI:
- 10.1016/j.ijbiomac.2015.10.018
- https://doi.org/10.1016/j.ijbiomac.2015.10.018
- Author:
- Carlos Alberto Huerta-Aguilar; Pushap Raj; Pandiyan Thangarasu; Narinder Singh
- Source:
- RSC advances 2016 v.6 no.44 pp. 37944-37952
- ISSN:
- 2046-2069
- Subject:
- Gram-positive bacteria; Staphylococcus aureus; aluminum; aqueous solutions; barium; cadmium; chromium; cobalt; copper; detection limit; fluorescence; fluorescent dyes; iron; magnesium; manganese; medicine; metal ions; microscopy; nanoparticles; nickel; potassium; samarium; schiff bases; silver; sodium; strontium; zinc
- Abstract:
- ... The development of a novel chemo-sensor for the detection of Al³⁺ with high sensitivity in aqueous solution is widely considered an important research goal because of the importance of such probes in medicine, living systems and the environment. In this work, we describe a new fluorescent probe, a Schiff's base N,N′-propylenebis(salicylimine) (salpn) as fluorescent organic nanoparticles for Al³⁺. ...
- DOI:
- 10.1039/c6ra01231k
- https://doi.org/10.1039/c6ra01231k
- Author:
- Eissa Ahmed M.; Abdulkarim Ali; Sharples Gary J.; Cameron Neil R.
- Source:
- Biomacromolecules 2016 v.17 no.8 pp. 2672-2679
- ISSN:
- 1526-4602
- Subject:
- Escherichia coli; Staphylococcus aureus; ampicillin; antibacterial properties; aqueous solutions; bacteria; chemical elements; composite polymers; encapsulation; glycosides; glycosylation; ligands; light scattering; nanoparticles; polyacrylamide; polymerization; transmission electron microscopy
- Abstract:
- ... Synthetic polymer nanoparticles that can be tailored through multivalent ligand display on the surface, while at the same time allowing encapsulation of desired bioactive molecules, are especially useful in providing a versatile and robust platform in the design of specific delivery vehicles for various purposes. Glycosylated nanoparticles (glyco-NPs) of a poly(n-butyl acrylate) (pBA) core and pol ...
- DOI:
- 10.1021/acs.biomac.6b00711
- https://doi.org/10.1021/acs.biomac.6b00711
- Author:
- Xiaofei Huang; Yichuan Pang; Yalan Liu; Yi Zhou; Zhengke Wang; Qiaoling Hu
- Source:
- RSC advances 2016 v.6 no.69 pp. 64357-64363
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Staphylococcus aureus; antibacterial properties; aqueous solutions; chitosan; cytotoxicity; disk diffusion antimicrobial test; green chemistry; human cell lines; microorganisms; minimum inhibitory concentration; nanosilver; physicochemical properties; stabilizers
- Abstract:
- ... In this study, catechol-conjugated chitosan (CSS) was synthesized to prepare silver nanoparticles in aqueous solution as both a reducing and stabilizing agent. The entire reaction process complied with the principles of green chemistry. The stability and physicochemical properties of CSS-coated silver nanoparticles (CSS–Ag NPs) were well characterized by a series of techniques. A narrow diameter d ...
- DOI:
- 10.1039/c6ra09035d
- https://doi.org/10.1039/c6ra09035d
- Author:
- Elham Shafik Aazam; Zoya Zaheer
- Source:
- Bioprocess and biosystems engineering 2016 v.39 no.4 pp. 575-584
- ISSN:
- 1615-7591
- Subject:
- Candida albicans; Escherichia coli; Ocimum tenuiflorum; Staphylococcus aureus; anti-infective properties; aqueous solutions; bacteria; cetyltrimethylammonium bromide; fungi; nanosilver; photographs; silver; spectroscopy; transmission electron microscopes; transmission electron microscopy
- Abstract:
- ... Silver nanoparticles (AgNPs) were synthesized using Ocimum sanctum (Tulsi) leaves aqueous extract as reducing as well as a capping agent in absence and presence of cetyltrimethylammonium bromide (CTAB). The resulting nanomaterials were characterized by UV–visible spectrophotometer, and transmission electron microscope. The UV–Vis spectroscopy revealed the formation of AgNPs at 400–450 nm. TEM phot ...
- DOI:
- 10.1007/s00449-016-1539-3
- https://doi.org/10.1007/s00449-016-1539-3
- Author:
- Farid Hajareh Haghighi; Hassan Hadadzadeh; Hossein Farrokhpour
- Source:
- RSC advances 2016 v.6 no.111 pp. 109885-109896
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; adenine; adsorption; antibacterial properties; aqueous solutions; biochemical compounds; colloids; copper; copper nanoparticles; cytosine; dissolved oxygen; imidazoles; nitrogen; thymine
- Abstract:
- ... The pulsed-laser ablation (PLA) method was used as a facile and green approach to prepare oxide-free copper nanoparticles (Cu NPs), and was performed by laser ablation of a copper target in aqueous solutions of DNA bases (adenine, cytosine, and thymine). The structural analyses reveal that the in situ adsorption of the cytosine and thymine molecules on the surface of Cu NPs, although improving the ...
- DOI:
- 10.1039/c6ra22038j
- https://doi.org/10.1039/c6ra22038j
- Author:
- Seema Saini; Mohamed Naceur Belgacem; Marie-Christine Brochier Salon; Julien Bras
- Source:
- Cellulose 2016 v.23 no.1 pp. 795-810
- ISSN:
- 0969-0239
- Subject:
- Bacillus subtilis; Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; acetone; antibacterial properties; aqueous solutions; bacteria; biomimetics; cellulose; chitosan; food industry; leaching; nanofibers; nuclear magnetic resonance spectroscopy; pharmaceutical industry; silicon; solvents; thermal stability; thermogravimetry
- Abstract:
- ... Uncontrolled growth of bacteria is always a major concern for various industries such as food, cosmetic and pharmaceutical industries. Taking this issue into account, a non-leaching antimicrobial surface was developed using cellulose nanofibers with a post grafting green method to mimic the antibacterial activity of chitosan. A series of experiments was designed for silylation of nanofibers with 3 ...
- DOI:
- 10.1007/s10570-015-0854-1
- https://doi.org/10.1007/s10570-015-0854-1