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- Author:
- Sumit S. Lal; Shashank T. Mhaske
- Source:
- Carbohydrate polymers 2018 v.191 pp. 266-279
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; antimicrobial properties; carbon; carboxylation; cellulose; moieties; nanoparticles; nuclear magnetic resonance spectroscopy; oxidation; scanning electron microscopy; silver; silver chloride; stable isotopes; titration
- Abstract:
- ... Present work covers the state-of-art progress in the advanced nanoarchitecture of organic-inorganic hybrid material; a starting material for the antimicrobial filter. TEMPO-mediated oxidation of microfiber cellulose was carried out to introduce the surface active carboxyl groups. Accordingly, qualitative and quantitative substitution of a functional group was investigated using FTIR, Solid state 1 ...
- DOI:
- 10.1016/j.carbpol.2018.03.011
- https://doi.org/10.1016/j.carbpol.2018.03.011
- Author:
- Sihui Zhan; Qianlei Hou; Yi Li; Shuanglong Ma; Pengfei Wang; Yanan Li; Haitao Wang
- Source:
- RSC advances 2018 v.8 no.60 pp. 34428-34436
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; X-ray diffraction; X-ray photoelectron spectroscopy; bacteria; byproducts; carbon nitride; disinfection; electron paramagnetic resonance spectroscopy; electrons; irradiation; models; monitoring; nanocomposites; pathogens; photocatalysis; photocatalysts; photoluminescence; reflectance spectroscopy; scanning electron microscopy; transmission electron microscopy; water treatment
- Abstract:
- ... Visible-light-driven photocatalytic disinfection is highly desired for water treatment due to its advantages such as wide applicability and being free of disinfection byproducts. In this study, AgBr/g-C₃N₄ hybrid nanocomposites were evaluated as photocatalysts under visible light irradiation for water disinfection using Escherichia coli as a model pathogen. The physicochemical and photo-electroche ...
- DOI:
- 10.1039/c8ra06923a
- https://doi.org/10.1039/c8ra06923a
3. Antibacterial PCL electrospun membranes containing synthetic polypeptides for biomedical purposes
- Author:
- Bo Liu; Tiantian Yao; Lixia Ren; Yunhui Zhao; Xiaoyan Yuan
- Source:
- Colloids and surfaces 2018 v.172 pp. 330-337
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray photoelectron spectroscopy; antibacterial properties; biocompatibility; cell viability; colloids; hemolysis; hydrophilicity; lysine; myocytes; polymerization; polypeptides; smooth muscle; valine; wettability
- Abstract:
- ... Electrospun membranes endowed with efficient bactericidal properties have been widely applied in the biomedical field. In this work, polyhedral oligomeric silsesquioxane (POSS) and i-butyl-capped polypeptides, POSS-poly(lysine-co-valine) (PKV) and i-butyl-poly(lysine-co-valine) (KV), were prepared via ring-opening polymerization of N-carboxyanhydride lysine and valine monomers. The synthetic polyp ...
- DOI:
- 10.1016/j.colsurfb.2018.08.055
- https://doi.org/10.1016/j.colsurfb.2018.08.055
- Author:
- Darka Marković; Christopher Deeks; Tim Nunney; Željko Radovanović; Marija Radoičić; Zoran Šaponjić; Maja Radetić
- Source:
- Carbohydrate polymers 2018 v.200 pp. 173-182
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Gram-negative bacteria; Gram-positive bacteria; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; antibacterial properties; borohydrides; carboxylic acids; cotton fabric; cupric oxide; cuprous oxide; moieties; nanocomposites; nanoparticles; sodium; sodium chloride
- Abstract:
- ... The fabrication of antimicrobial textile nanocomposite by in situ synthesis of Cu-based nanoparticles on cotton fabrics modified with different polycarboxylic acids was discussed in this study. In order to evaluate the influence of carboxyl group content on Cu²⁺-ions adsorption, their subsequent reduction with sodium borohydride and formation of Cu-based nanoparticles, cotton fabrics were modified ...
- DOI:
- 10.1016/j.carbpol.2018.08.001
- https://doi.org/10.1016/j.carbpol.2018.08.001
- Author:
- Yi Zhang; Xueling He; Mingming Ding; Wei He; Jiehua Li; Jianshu Li; Hong Tan
- Source:
- Biomacromolecules 2018 v.19 no.2 pp. 279-287
- ISSN:
- 1526-4602
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray photoelectron spectroscopy; ammonium salts; antibacterial properties; bacteria; biocompatibility; crosslinking; enzyme-linked immunosorbent assay; ethylene glycol; fibroblasts; immunohistochemistry; inflammation; interleukin-10; interleukin-4; interleukin-6; lysine; polyethylene glycol; polyurethanes; quantitative polymerase chain reaction; quaternary ammonium compounds; rats; reverse transcriptase polymerase chain reaction; tumor necrosis factor-alpha; weight loss
- Abstract:
- ... A cross-linked waterborne polyurethane (CPTMGPU) with long-term stability was developed from poly(ethylene glycol) (PEG), polyoxytetramethylene glycol (PTMG), isophorone diisocyanate (IPDI), l-lysine, and its derivative diamine consisting of gemini quaternary ammonium salt (GQAS), using ethylene glycol diglycidyl ether (EGDE) as a cross-linker. Weight loss test, X-ray photoelectron spectroscopy (X ...
- DOI:
- 10.1021/acs.biomac.7b01016
- https://doi.org/10.1021/acs.biomac.7b01016
- Author:
- Zhonglin Fei; Baojiang Liu; Meifang Zhu; Wei Wang; Dan Yu
- Source:
- Cellulose 2018 v.25 no.5 pp. 3179-3188
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Raman spectroscopy; Staphylococcus aureus; X-ray photoelectron spectroscopy; antibacterial properties; antibiotics; cellulose; chemical bonding; cotton; cotton fabric; energy-dispersive X-ray analysis; mechanical properties; reaction mechanisms; scanning electron microscopy; thermal stability; thiols; washing
- Abstract:
- ... Cotton fabrics with durable antibacterial properties were prepared by a novel method of thiol-maleimide click reaction. Firstly, 3-Mercaptopropyltriethoxysilane was utilized as a modifier to generate thiol groups on the cotton surface. Then, these thiol groups reacted with N-phenyl-male-imide through thiol-maleimide click chemistry. The surface morphology of the treated fabrics and the reaction me ...
- DOI:
- 10.1007/s10570-018-1771-x
- https://doi.org/10.1007/s10570-018-1771-x
- Author:
- B. Rodríguez; D. Oztürk; M. Rosales; M. Flores; A. García
- Source:
- Journal of materials science 2018 v.53 no.9 pp. 6325-6338
- ISSN:
- 0022-2461
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; atomic force microscopy; chlorides; contact angle; copper; desalination; fluorescence microscopy; hydrophilicity; ions; moieties; oxygen; polyamides; polymerization; reverse osmosis; scanning electron microscopy; surface roughness; thin film composite membranes; toxicity
- Abstract:
- ... In situ formation of a Cu-(m-phenylenediamine) (Cu-mPD) oligomer complex from copper chloride during the interfacial polymerization process was successfully employed to produce modified thin-film composite reverse osmosis membranes (TFC-RO) with antibiofouling properties. Membranes were characterized by field emission scanning electron microscopy, Fourier transform infrared spectroscopy (FTIR), X- ...
- DOI:
- 10.1007/s10853-018-2039-4
- https://doi.org/10.1007/s10853-018-2039-4
8. Antimicrobial and optical properties of PET chemically modified and grafted with borane compounds
- Author:
- Monika Benkocká; Simona Lupínková; Jindřich Matoušek; Kateřina Kolářová; Zdeňka Kolská
- Source:
- RSC advances 2018 v.8 no.27 pp. 15001-15008
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Staphylococcus epidermidis; X-ray photoelectron spectroscopy; antibacterial properties; chitosan; cysteamine; environmental protection; ethylenediamines; irradiation; luminescence; medicine; nanocomposites; optical properties; polyethylene terephthalates; ultraviolet-visible spectroscopy
- Abstract:
- ... Polyethylene terephthalate (PET) foils were activated with piranha solution and grafted with selected amino compounds (cysteamine, ethylenediamine or chitosan) and then with borane compounds. Changes in their surface properties after particular modification steps were examined using electrokinetic analysis, X-ray photoelectron spectroscopy (XPS), goniometry and UV-vis spectroscopy. Several tests s ...
- DOI:
- 10.1039/c7ra13502e
- https://doi.org/10.1039/c7ra13502e
- Author:
- Roxana Jijie; Alexandre Barras; Teodora Teslaru; Ionut Topala; Valentin Pohoata; Marius Dobromir; Tetiana Dumych; Julie Bouckaert; Sabine Szunerits; Nicoleta Dumitrascu; Rabah Boukherroub
- Source:
- Journal of materials chemistry 2018 v.6 no.22 pp. 3674-3683
- ISSN:
- 2050-7518
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus epidermidis; X-ray photoelectron spectroscopy; adhesion; air; antibacterial properties; argon (noble gases); atmospheric pressure; bacteria; bacterial adhesion; biofilm; coatings; crosslinking; food packaging; glass; mammals; medical equipment; plankton; polystyrenes; prokaryotic cells; solubility; styrene; topography; vapors; viability
- Abstract:
- ... Plasma polymerized styrene (pPS) films were successfully synthesized by means of an atmospheric pressure plasma technique, using a mixture of argon gas and styrene vapor. The morphology and film thickness of the pPS films, deposited on 1 min argon plasma pre-treated glass substrates, were smooth and uniform without any visible features across the whole length of the substrates, and the films displ ...
- DOI:
- 10.1039/c7tb02964k
- https://doi.org/10.1039/c7tb02964k
- Author:
- Rachel T. Mathew; Ralph P. Cooney; Jenny Malmstrom; Colin S. Doyle
- Source:
- Langmuir 2018 v.34 no.16 pp. 4750-4761
- ISSN:
- 1520-5827
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray photoelectron spectroscopy; atomic force microscopy; bacteria; biocides; quartz; quaternary ammonium compounds
- Abstract:
- ... A siloxane surface-anchored quaternary ammonium salt (AQAS: BIOSAFE HM4100 in this study) has been chemisorbed onto a quartz substrate. The aim of this study is to elucidate, using atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS), the structure of the chemisorbed AQAS layers. The AQAS biocide includes a C₁₈ alkyl chain previously invoked in lysis potency. The AQAS coverage ...
- DOI:
- 10.1021/acs.langmuir.8b00535
- https://doi.org/10.1021/acs.langmuir.8b00535
- Author:
- Srivithya Vellampatti; Gopalakrishnan Chandrasekaran; Sekhar Babu Mitta; Sreekantha Reddy Dugasani; Vinoth-Kumar Lakshmanan; Sung Ha Park
- Source:
- ACS applied materials & interfaces 2018 v.10 no.51 pp. 44290-44300
- ISSN:
- 1944-8252
- Subject:
- Bacillus subtilis; DNA; Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; antibacterial properties; atomic force microscopy; cell lines; copper; cytotoxicity; fluorescence microscopy; hospitals; metal ions; nanocarriers; neoplasm cells; nickel; prostatic neoplasms; salmon; ultraviolet-visible spectroscopy; zinc
- Abstract:
- ... DNA nanotechnology has laid a platform to construct a variety of custom-shaped nanoscale objects for functionalization of specific target materials to achieve programmability and molecular recognition. Herein, we prepared DNA nanostructures [namely, synthetic DNA rings (RDNA) and DNA duplexes extracted from salmon (SDNA)] containing metal ions (M²⁺) such as Cu²⁺, Ni²⁺, and Zn²⁺ as payloads for del ...
- DOI:
- 10.1021/acsami.8b17013
- https://doi.org/10.1021/acsami.8b17013
- Author:
- Andrew Boden; Mrinal Bhave; Peng-Yuan Wang; Snehal Jadhav; Peter Kingshott
- Source:
- ACS applied materials & interfaces 2018 v.10 no.3 pp. 2264-2274
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; adsorption; antibiotic resistance; antimicrobial peptides; antimicrobial properties; bacteria; bacterial adhesion; biofilm; carboxylation; chemical bonding; coatings; colloids; matrix-assisted laser desorption-ionization mass spectrometry; viability; viability assays; zeta potential
- Abstract:
- ... The ability of bacteria to form biofilms and the emergence of antibiotic-resistant strains have prompted the need to develop the next generation of antibacterial coatings. Antimicrobial peptides (AMPs) are showing promise as molecules that can address these issues, especially if used when immobilized as a surface coating. We present a method that explores how surface patterns together with the sel ...
- DOI:
- 10.1021/acsami.7b10392
- https://doi.org/10.1021/acsami.7b10392
- Author:
- Subramaniyan Ramasundaram; Mingizem Gashaw Seid; Hyung-Eun Kim; Aseom Son; Changha Lee; Eun-Ju Kim; Seok Won Hong
- Source:
- Journal of hazardous materials 2018 v.360 pp. 62-70
- ISSN:
- 0304-3894
- Subject:
- Escherichia coli; X-ray diffraction; X-ray photoelectron spectroscopy; acetaminophen; coatings; coliphages; crystal structure; decolorization; disinfection; electrospraying; heat treatment; iron oxides; methanol; methylene blue; photocatalysis; photocatalysts; pollutants; scanning electron microscopy; steel; titanium dioxide; trimethoprim; ultraviolet radiation
- Abstract:
- ... An immobilized photocatalyst was prepared by thermally treating TiO₂-coated steel mesh (TiO₂-IS) in a laboratory hot-press with no binder. TiO₂ coating was performed by electrospraying a 1 mg/mL methanol dispersion of Evonik P25 powder. The thermal treatment conditions at 350 °C, 100 Mpa, and 1 h were found to be the optimum conditions. Scanning electron microscopic images displayed a robust and a ...
- DOI:
- 10.1016/j.jhazmat.2018.07.100
- https://doi.org/10.1016/j.jhazmat.2018.07.100
- Author:
- Shuo-Hsi Tang; Maria Ysabel Domino; Antoine Venault; Hao-Tung Lin; Chun Hsieh; Akon Higuchi; Arunachalam Chinnathambi; Sulaiman Ali Alharbi; Lemmuel L. Tayo; Yung Chang
- Source:
- Langmuir 2018 v.35 no.5 pp. 1727-1739
- ISSN:
- 1520-5827
- Subject:
- Escherichia coli; Stenotrophomonas maltophilia; X-ray photoelectron spectroscopy; bacteria; biofouling; blood cells; composite polymers; contact angle; exposure duration; fibroblasts; hydrophilicity; porosity; sulfobetaine; ultraviolet radiation; zeta potential; zwitterions
- Abstract:
- ... Poly(ethylene terephtalate) (PET)-based materials face general biofouling issues that we addressed by grafting a copolymer of glycidyl methacrylate and sulfobetaine methacrylate, poly(GMA-r-SBMA). The grafting procedure involved a dip-coating step followed by UV-exposure and led to successful grafting of the copolymer as evidenced by X-ray photoelectron spectroscopy and zeta potential measurements ...
- DOI:
- 10.1021/acs.langmuir.8b00634
- https://doi.org/10.1021/acs.langmuir.8b00634
- Author:
- M.P. Indira Devi; N. Nallamuthu; N. Rajini; A. Varada Rajulu; N. Hari Ram; Suchart Siengchin
- Source:
- International journal of biological macromolecules 2018 v.118 pp. 99-106
- ISSN:
- 0141-8130
- Subject:
- Cenchrus purpureus; Escherichia coli; Staphylococcus aureus; X-ray photoelectron spectroscopy; antibacterial properties; bacteria; catalytic activity; cellulose; composite films; energy-dispersive X-ray analysis; nanocomposites; nanosilver; scanning electron microscopes; scanning electron microscopy; temperature; tensile strength; transmission electron microscopes; transmission electron microscopy
- Abstract:
- ... Initially silver nanoparticles (AgNPs) were in situ generated in Napier grass fibers (NGFs) and these nanocomposite NGFs were used as fillers (by 1 wt% to 5 wt%) in cellulose matrix to make hybrid nanocomposite films. The formation of in situ generated AgNPs on the surface of the NGFs was studied using scanning electron microscope (SEM), high resolution transmission electron microscope (HR-TEM), E ...
- DOI:
- 10.1016/j.ijbiomac.2018.06.019
- https://doi.org/10.1016/j.ijbiomac.2018.06.019
- Author:
- Koh Hann Suk; Subash C.B. Gopinath; Periasamy Anbu; Thangavel Lakshmipriya
- Source:
- Powder technology 2018 v.328 pp. 140-147
- ISSN:
- 0032-5910
- Subject:
- Aspergillus niger; Bacillus subtilis; Escherichia coli; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; antimicrobial properties; atomic force microscopy; carbon; cellulose; cost effectiveness; cows; crystal structure; electrons; emulsions; kidneys; medicine; microencapsulation; nanoparticles; olive oil; pathogens; polysorbates; powders; skin diseases; therapeutics; urine
- Abstract:
- ... Cow urine has been shown to have useful applications in medicine and therapeutics. Indeed, many studies have shown that cow urine has the potential to cure various conditions, such as kidney and skin diseases. The current study demonstrated the effectiveness and cost efficiency of cow urine enhanced by encapsulating in cellulose nanoparticles (CNPs). The encapsulation process was aided by Tween-20 ...
- DOI:
- 10.1016/j.powtec.2018.01.010
- https://doi.org/10.1016/j.powtec.2018.01.010
- Author:
- Aftab Aslam Parwaz Khan; Anish Khan; M.A. Alam; Mohammad Oves; Abdullah M Asiri; Mohammed M. Rahman; Inamuddin
- Source:
- Environmental science and pollution research international 2018 v.25 no.28 pp. 27899-27911
- ISSN:
- 0944-1344
- Subject:
- Bacillus subtilis; Escherichia coli; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; air; calibration; cations; composite polymers; detection limit; electrochemistry; glassy carbon electrode; nanomaterials; phosphates; polymerization; remediation; scanning electron microscopes; scanning electron microscopy; sodium dodecylbenzenesulfonate; surfactants; thermogravimetry; ultraviolet-visible spectroscopy; zinc
- Abstract:
- ... A novel nanostructure of poly(o-anisidine-co-methyl anthranilate) (poly(Ani-Co-MA) copolymer has been synthesized by chemical oxidative in situ polymerization technique with equal molar proportion of monomers in the presence of sodium dodecylbenzene sulfonic acid (SDBS) surfactant. The synthesized copolymers were characterized by scanning electron microscope (SEM) and X-ray crystallography (XRD), ...
- DOI:
- 10.1007/s11356-018-2819-z
- https://doi.org/10.1007/s11356-018-2819-z
- Author:
- Hemant Kumar Daima; Shiv Shankar; Amanda Anderson; Selvakannan Periasamy; Suresh Bhargava; Vipul Bansal
- Source:
- Environmental chemistry letters 2018 v.16 no.4 pp. 1457-1462
- ISSN:
- 1610-3653
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adverse effects; composite polymers; gel electrophoresis; gene therapy; gene transfer; genes; green fluorescent protein; light scattering; mammals; nanoparticles; phosphates; plasmids; polyethylene glycol; propylene oxide; toxicity; zeta potential
- Abstract:
- ... Gene delivery is the process of introducing foreign genetic material, such as DNA or RNA, into host cells. Gene therapy utilizes gene delivery to deliver genetic material with the goal of treating a disease or condition in the cell. Actual viral vectors may have side effects, while actual systems using metal nanoparticles for gene delivery are toxic. Therefore, we designed here a biocompatible tri ...
- DOI:
- 10.1007/s10311-018-0756-1
- https://doi.org/10.1007/s10311-018-0756-1
- Author:
- Kang Gao; Yanlei Su; Linjie Zhou; Mingrui He; Runnan Zhang; Yanan Liu; Zhongyi Jiang
- Source:
- Journal of membrane science 2018 v.548 pp. 621-631
- ISSN:
- 0376-7388
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; antibacterial properties; antifouling activities; artificial membranes; chlorides; composite polymers; emulsions; energy; filtration; free radicals; hydrophilicity; oils; polyethylene glycol; polymerization; separation; water treatment
- Abstract:
- ... Antifouling mechanisms are critical to membrane structure-property relationship. Currently, most researches focus on either passive fouling-resistant, fouling-release mechanisms or active antibacterial mechanism, the integration of active and passive antifouling mechanisms is much less explored. In this study, a novel modifier bearing three functional segments was designed and utilized for antifou ...
- DOI:
- 10.1016/j.memsci.2017.10.042
- https://doi.org/10.1016/j.memsci.2017.10.042
20. Degradable Three Dimensional-Printed Polylactic Acid Scaffold with Long-Term Antibacterial Activity
- Author:
- Xiaoyuan Li; Yu Wang; Min Guo; Zongliang Wang; Nannan Shao; Peibiao Zhang; Xuesi Chen; Yubin Huang
- Source:
- ACS sustainable chemistry & engineering 2018 v.6 no.2 pp. 2047-2054
- ISSN:
- 2168-0485
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; adhesion; alizarin; alkaline phosphatase; antibacterial properties; bacteria; bones; calcium; cell culture; cell proliferation; dopamine; energy; gelatin; hydrophilicity; immigration; polylactic acid; polymerization; porosity; scanning electron microscopy; secretion; staining; survival rate; tissue engineering
- Abstract:
- ... Polylactic acid (PLA) is one of the most promising candidates to solve the present environmental and energy problems. The programmable three-dimensional (3D) fabrication technique also provides a convenient and green platform for PLA applications in bone tissue engineering. An innovative PLA scaffold that combined multiple functions including highly interconnected porosity, sufficient nutrient sup ...
- DOI:
- 10.1021/acssuschemeng.7b03464
- https://doi.org/10.1021/acssuschemeng.7b03464
- Author:
- Shengchang Lu; Zuwu Tang; Wenyan Li; Xinhua Ouyang; Shilin Cao; Lihui Chen; Liulian Huang; Hui Wu; Yonghao Ni
- Source:
- Cellulose 2018 v.25 no.12 pp. 7261-7275
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray photoelectron spectroscopy; antimicrobial properties; cellulose; decolorization; dyes; electrostatic interactions; filtration; gel chromatography; methyl orange; models; polymerization; quaternary ammonium compounds; rhodamines; wastewater
- Abstract:
- ... In this paper, poly(diallyl dimethyl ammonium chloride) (PDADMAC)-grated cellulose filter membranes (cellulose-g-PDADMAC) were fabricated via atom transfer radical polymerization (ATRP) for selective removal of anionic dye from wastewater. Gel permeation chromatography (GPC), X-ray photoelectron spectroscopy (XPS), and Fourier transform infrared spectroscopy (FTIR) showed that PDADMAC was grafted ...
- DOI:
- 10.1007/s10570-018-2052-4
- https://doi.org/10.1007/s10570-018-2052-4
- Author:
- Amol J Patil; Yan Zhao; Xin Liu; Xungai Wang
- Source:
- Textile research journal v.88 no.15 pp. 1788-1799
- ISSN:
- 1746-7748
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; alkanes; anions; antibacterial properties; biofilm; cellulose; contact angle; cotton fabric; crosslinking; epoxides; hydrophobicity; laundry; pathogens; textile fibers
- Abstract:
- ... Growing evidence shows that healthcare textiles act as reservoirs of pathogens responsible for healthcare-associated infections. Fabrics fortified with antimicrobial and superhydrophobic properties are slowly emerging as an ideal weapon to tackle these infections, because of their bactericidal and fluid-repellent functionalities. In this work, such dual functional fabrics were developed by deposit ...
- DOI:
- 10.1177/0040517517708543
- https://doi.org/10.1177/0040517517708543
- Author:
- Fatemeh Kiani; Negar Ashari Astani; Reza Rahighi; Ahmad Tayyebi; Meysam Tayebi; Jafar Khezri; Ehsan Hashemi; Ursula Rothlisberger; Abdolreza Simchi
- Source:
- Journal of colloid and interface science 2018 v.521 pp. 119-131
- ISSN:
- 0021-9797
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; antibacterial properties; bacteria; coatings; copper; copper nanoparticles; cupric oxide; density functional theory; dry environmental conditions; electrophoresis; graphene oxide; hybridization; irradiation; moieties; nanosheets; nanowires; oxidation
- Abstract:
- ... In the present work, the effect of graphene oxide (GO) nanosheets on the antibacterial activity of CuO nanowire arrays under visible light irradiation is shown. A combined thermal oxidation/electrophoretic deposition technique was employed to prepare three-dimensional networks of graphene oxide nanosheets hybridized with vertically aligned CuO nanowires. With the help of standard antibacterial ass ...
- DOI:
- 10.1016/j.jcis.2018.03.013
- https://doi.org/10.1016/j.jcis.2018.03.013
- Author:
- Zia Ul Haq Khan; Amjad Khan; Young Mei Chen; Noor S. Shah; Arif Ullah Khan; Nawshad Muhammad; Kamran Tahir; Hidayat Ullah Shah; Zia Ullah Khan; Muhammad Shakeel; Muhammad Nadeem; Muhammad Imran; Pingyu Wan
- Source:
- Journal of photochemistry and photobiology 2018 v.180 pp. 208-217
- ISSN:
- 1011-1344
- Subject:
- Chlorophyta; Daphnia; Escherichia coli; Staphylococcus; X-ray photoelectron spectroscopy; antioxidants; ascorbic acid; azo dyes; bacteria; chronic toxicity; drug resistance; electrochemistry; electrodes; electrolytes; fabrics; fish; metabolites; nanoparticles; nanosilver; particle size; pathogens; phenol; photocatalysis; redox reactions
- Abstract:
- ... The drug resistant bacteria and textile contaminations of water cause different sever health problem throughout the world. To overcome this issue, new environmental benign materials and methods are needed. Plant metabolites directed synthesis of nanoparticles is considered eco-friendly and easy in synthesis. Therefore, it was explicit for the synthesis of AgNPs. The prepared AgNPs were evaluated f ...
- DOI:
- 10.1016/j.jphotobiol.2018.02.015
- https://doi.org/10.1016/j.jphotobiol.2018.02.015
- Author:
- Jialiang Liang; Jun Deng; Fuyang Liu; Mian Li; Meiping Tong
- Source:
- Colloids and surfaces 2018 v.161 pp. 528-536
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; X-ray diffraction; X-ray photoelectron spectroscopy; bacteria; cell viability; colloids; direct contact; disinfection; energy-dispersive X-ray analysis; hydrogen peroxide; irradiation; models; oxygen; photocatalysis; photocatalysts; photoluminescence; reflectance spectroscopy; scanning electron microscopy; silver; superoxide anion; transmission electron microscopes; transmission electron microscopy; ultraviolet-visible spectroscopy
- Abstract:
- ... Bi₂MoO₆–AgBr hybrid photocatalyst was synthesized via a mixed solvothermal-precipitation method. The as-synthesized photocatalysts were well characterized by Powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopic (SEM) equipped with energy-dispersive X-ray spectroscopy (EDX), high resolution transmission electron microscope (HRTEM), UV–vis diffuse ref ...
- DOI:
- 10.1016/j.colsurfb.2017.11.019
- https://doi.org/10.1016/j.colsurfb.2017.11.019
- Author:
- Peter Bösiger; Gregor Tegl; Isabelle M.T. Richard; Luce Le Gat; Lukas Huber; Viktoria Stagl; Anna Mensah; Georg M. Guebitz; René M. Rossi; Giuseppino Fortunato
- Source:
- Carbohydrate polymers 2018 v.181 pp. 551-559
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; biobased products; chemical bonding; chitosan; crosslinking; fibroblasts; glucose oxidase; glutaraldehyde; growth retardation; hydrogen peroxide; mice; surface area; viability
- Abstract:
- ... This work presents electrospun chitosan mats, functionalized with glucose oxidase (GOX) to implement an in-situ hydrogen peroxide (H₂O₂) generation system. The as spun CTS-PEO mats exhibited a smooth and homogenous morphology in combination with a high specific surface area (5.4m²/g) providing an excellent basis for further functionalization and subsequent glutaraldehyde crosslinking provided them ...
- DOI:
- 10.1016/j.carbpol.2017.12.002
- https://doi.org/10.1016/j.carbpol.2017.12.002
- Author:
- Rijuta Ganesh Saratale; Han-Seung Shin; Gopalakrishnan Kumar; Giovanni Benelli; Gajanan S. Ghodake; Yuan Yuan Jiang; Dong Su Kim; Ganesh Dattatraya Saratale
- Source:
- Environmental science and pollution research international 2018 v.25 no.11 pp. 10250-10263
- ISSN:
- 0944-1344
- Subject:
- 2,2-diphenyl-1-picrylhydrazyl; Bacillus cereus; Citrus clementina; Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; animal pathogens; antineoplastic agents; antioxidant activity; bacteria; byproducts; citrus peels; dose response; energy-dispersive X-ray analysis; inhibitory concentration 50; lethal dose 50; minimum inhibitory concentration; nanoparticles; nanosilver; particle size; pharmaceutical industry; plant extracts; rats; reducing agents; scanning electron microscopy; sustainable technology; transmission electron microscopy; ultraviolet-visible spectroscopy
- Abstract:
- ... Process byproducts from the fruit industry may represent a cheap and reliable source of green reducing agents to be used in current bio-nanosynthesis. This study reports the use of orange (Citrus × clementina) peel aqueous extract (OPE) for one-pot green synthesis of silver nanoparticles (AgNPs) with high effectiveness against various microbial pathogens as well as rat glial tumor C6 cells. The ef ...
- DOI:
- 10.1007/s11356-017-8724-z
- https://doi.org/10.1007/s11356-017-8724-z
- Author:
- Qingqing Liu; Yuanguo Xu; Juan Wang; Meng Xie; Wei Wei; Liying Huang; Hui Xu; Yanhua Song; Huaming Li
- Source:
- Colloids and surfaces 2018 v.553 pp. 114-124
- ISSN:
- 0927-7757
- Subject:
- Escherichia coli; X-ray diffraction; X-ray photoelectron spectroscopy; bisphenol A; colloids; disinfection; electric current; electron transfer; endocrine-disrupting chemicals; hot water treatment; photocatalysis; photocatalysts; pollutants; rhodamines; scanning electron microscopy; silver; silver chloride; trapping
- Abstract:
- ... The Ag/AgCl/ZnFe₂O₄ photocatalysts were fabricated through a hydrothermal method. The structure and composition of the Ag/AgCl/ZnFe₂O₄ photocatalysts were confirmed by XRD, SEM, XPS, UV–vis. The rhodamine B (RhB) and the endocrine-disrupting chemical bisphenol A (BPA) were selected as the target pollutants to evaluate the photocatalytic degradation ability. The degradation efficiency of the optimi ...
- DOI:
- 10.1016/j.colsurfa.2018.05.019
- https://doi.org/10.1016/j.colsurfa.2018.05.019
- Author:
- Tiantian Li; Fu Liu; Haibo Lin; Zhu Xiong; Hui Wang; Yun Zhong; Lingchao Xiang; Aiguo Wu
- Source:
- Journal of colloid and interface science 2018 v.517 pp. 93-103
- ISSN:
- 0021-9797
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorption; coagulation; composite polymers; contact angle; gelation; physical properties; scanning electron microscopy; surface tension; thermodynamics; thermoplastics; thromboplastin
- Abstract:
- ... Herein we provide an “outside-in” interface segregation strategy to modify polyvinylidene fluoride (PVDF) membranes with anti-fouling, anti-bacterial and non-clotting performances for the first time. The coagulation bath composed of DMAc, water and synthesized copolymer was used to solidify and modify membrane during phase inversion process. The functional polymer e.g. poly(vinylpyrrolidone-vinylt ...
- DOI:
- 10.1016/j.jcis.2018.01.107
- https://doi.org/10.1016/j.jcis.2018.01.107
- Author:
- Hongli Sun; Ho Yin Yip; Zhifeng Jiang; Liqun Ye; Irene M. C. Lo; Po Keung Wong
- Source:
- Journal of materials chemistry 2018 v.6 no.12 pp. 4997-5005
- ISSN:
- 2050-7496
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; bacteria; electron paramagnetic resonance spectroscopy; hydrogen peroxide; oxidation; oxygen; photocatalysis; photocatalysts; spectral analysis
- Abstract:
- ... Oxygen defective yolk–shell BiO₂₋ₓ spheres are successfully synthesized by a facile solvothermal method for the first time. The variations between the diffusion rate of the core and the formation rate of the shell, which are caused by the temperature gradient originating from the heating rate, result in the formation of BiO₂₋ₓ spheres with different interior structures. The as-synthesized yolk–she ...
- DOI:
- 10.1039/c8ta00336j
- https://doi.org/10.1039/c8ta00336j
- Author:
- Mohammad Shahid; Yuyang Zhou; Xian-Wei Cheng; Mian Sahib Zar; Guoqaing Chen; Ren-Cheng Tang
- Source:
- Journal of cleaner production 2018 v.176 pp. 736-744
- ISSN:
- 0959-6526
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; antibacterial properties; color; durability; dyes; energy-dispersive X-ray analysis; ferulic acid; ions; laundry; nanosilver; nitric acid; polyphenols; reducing agents; scanning electron microscopy; silk; silk fabric; silver; silver nitrate; soaking; spectral analysis; transmission electron microscopy; ultraviolet radiation; ultraviolet-visible spectroscopy; washing; wet digestion method
- Abstract:
- ... A rapid, green and simple procedure for the in-situ generation of AgNPs@silk as functional colorant is described herein. Silver (Ag⁺) ions were first diffused into the silk fabric matrix by soaking into aqueous AgNO₃ solution, subsequently, alcoholic solution of ferulic acid, a natural polyphenol, was added as an eco-friendly reductant for the generation of AgNPs@silk. The formation of AgNPs was c ...
- DOI:
- 10.1016/j.jclepro.2017.12.171
- https://doi.org/10.1016/j.jclepro.2017.12.171
- Author:
- Carolin Dewald; Claudia Lüdecke; Izabela Firkowska-Boden; Martin Roth; Jörg Bossert; Klaus D. Jandt
- Source:
- Colloids and surfaces 2018 v.163 pp. 201-208
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; adhesion; antimicrobial properties; biocompatible materials; colloids; gold; nanogold
- Abstract:
- ... Surface structures in the nanometer range emerge as the next evolutionary breakthrough in the design of biomaterials with antimicrobial properties. However, in order to advance the application of surface nanostructuring strategies in medical implants, the very nature of the microbial repealing mechanism has yet to be understood. Herein, we demonstrate that the random immobilization of gold nanopar ...
- DOI:
- 10.1016/j.colsurfb.2017.12.037
- https://doi.org/10.1016/j.colsurfb.2017.12.037
- Author:
- Chana G. Sokolik; Jean-Paul Lellouche
- Source:
- RSC advances 2018 v.8 no.64 pp. 36712-36721
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; GRAS substances; X-ray photoelectron spectroscopy; antibacterial properties; antibiotics; bioactive compounds; biocides; carvacrol; chemical bonding; electron microscopy; essential oils; heat; ingredients; light scattering; moieties; nanoparticles; odors; oregano; oxidation; phenol; silane; silica; solubility; thermogravimetry; thyme; zeta potential
- Abstract:
- ... Bacterial resistance to common antibiotics necessitates innovative solutions. The phenolic antimicrobial compound carvacrol, a major ingredient in the Essential Oils (EOs) of oregano and thyme, has the advantages of natural compounds such as Generally Recognized As Safe (GRAS) status, but needs an appropriate delivery system designed to overcome its drawbacks (such as low aqueous solubility, easy ...
- DOI:
- 10.1039/c8ra05898a
- https://doi.org/10.1039/c8ra05898a
- Author:
- Yuyu Liu; Yang Li; Lingli Deng; Lin Zou; Fengqin Feng; Hui Zhang
- Source:
- Journal of agricultural and food chemistry 2018 v.66 no.36 pp. 9498-9506
- ISSN:
- 1520-5118
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; antimicrobial packaging; antimicrobial properties; contact angle; energy-dispersive X-ray analysis; food packaging; gelatin; hydrophobicity; mechanical testing; nanofibers; nanoparticles; polymers; reactive oxygen species; scanning electron microscopy; ultraviolet radiation; zinc oxide
- Abstract:
- ... The ethylcellulose/gelatin solutions containing various concentrations of zinc oxide (ZnO) nanoparticles were electrospun, and the resultant nanofibers were characterized by scanning electron microscopy, energy dispersive X-ray, X-ray photoelectron spectrometer, X-ray diffraction, Fourier transform infrared spectroscopy, mechanical testing, water contact angle, and water stability. Results indicat ...
- DOI:
- 10.1021/acs.jafc.8b03267
- https://doi.org/10.1021/acs.jafc.8b03267
- Author:
- Nahid Ghasemi; Javad Seyfi; Mohammad Javad Asadollahzadeh
- Source:
- Cellulose 2018 v.25 no.7 pp. 4211-4222
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Gibbs free energy; Staphylococcus aureus; X-ray photoelectron spectroscopy; antibacterial properties; bacteria; bacterial adhesion; cellulose; clothing; contact angle; cotton fabric; hospitals; hydrophilicity; hydrophobicity; nanoparticles; patients; roughness; synergism; zinc oxide
- Abstract:
- ... In this research, a one-step method for the preparation of superhydrophobic and antibacterial cotton fabric is presented, which has been modified by zinc oxide (ZnO) nanoparticles and octadecanethiol (ODT). The individual use of ZnO and ODT resulted in superhydrophilic fabrics whereas their combined use caused a transformation to the superhydrophobic behavior. Based on the morphological analysis, ...
- DOI:
- 10.1007/s10570-018-1837-9
- https://doi.org/10.1007/s10570-018-1837-9
- Author:
- P. Narendran; Archana Rajendran; Mirna Garhnayak; Lokanath Garhnayak; J. Nivedhitha; K. Chandra Devi; Deepak K. Pattanayak
- Source:
- Colloids and surfaces 2018 v.169 pp. 143-150
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; ammonia; antibacterial properties; hydroxyapatite; nanocrystals; nanosilver; pH; quantitative analysis; silver; toxicity; transmission electron microscopy
- Abstract:
- ... Here, effect of solution pH on precipitation of silver decorated hydroxyapatite (Ag-HAp) nano powder during its wet-synthesis was systematically studied. XRD pattern of Ag-HAp nano powder synthesised at pH ranging from 5 to 10 shows that calcium hydrogen phosphate was formed as dominating phase when the solution pH was between 5 and 9 and this phase was gradually transformed into a stable HAp abov ...
- DOI:
- 10.1016/j.colsurfb.2018.04.039
- https://doi.org/10.1016/j.colsurfb.2018.04.039
- Author:
- Ling Tan; Yong Xiao; Hao Cui; Hang Xu; Meiying Xu; Haiyan Wu; Haigang Dong; Guanzhou Qiu; Xinxing Liu; Jianping Xie
- Source:
- Journal of chemical technology and biotechnology 2018 v.93 no.12 pp. 3569-3581
- ISSN:
- 0268-2575
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; adsorption; bacteria; chemical bonding; ions; moieties; palladium; protein synthesis; scanning electron microscopy; transmission electron microscopy
- Abstract:
- ... BACKGROUND: Sulfhydryl binding dominates metal adsorption onto bacteria, however, their role in palladium adsorption under high metal loading conditions remains unclear. We investigated their influence on palladium adsorption by increasing (expression of EC20 protein) and decreasing (selective blocking of ‐SH) the number of sulfhydryl sites on the surface of Escherichia coli (E. coli). RESULTS: Ki ...
- DOI:
- 10.1002/jctb.5734
- https://doi.org/10.1002/jctb.5734
- Author:
- Stalin Kondaveeti; Pedro Vinicius de Assis Bueno; Ana Maria Carmona-Ribeiro; Fernanda Esposito; Nilton Lincopan; Maria Rita Sierakowski; Denise Freitas Siqueira Petri
- Source:
- Carbohydrate polymers 2018 v.186 pp. 159-167
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray photoelectron spectroscopy; bioluminescence assay; chemical bonding; gentamicin; hydrogels; nitrogen content; scanning electron microscopy; sodium alginate; sorption; sulfates; thermogravimetry
- Abstract:
- ... Sodium alginate (Alg) reacted with antibiotic gentamicin sulfate (GS) in an aqueous-phase condition mediated by carbodiimide chemistry, in the molar ratios Alg: GS of (1:0.5), (1:1) and (1:2). The Alg-GS conjugated derivatives were characterized by elemental analysis for nitrogen content, Fourier transform infrared spectroscopy in the attenuated total reflection mode (FTIR-ATR), X-ray photoelectro ...
- DOI:
- 10.1016/j.carbpol.2018.01.044
- https://doi.org/10.1016/j.carbpol.2018.01.044
- Author:
- Bailong Tao; Xinkun Shen; Zhang Yuan; Qichun Ran; Tingting Shen; Yuxia Pei; Ju Liu; Ye He; Yan Hu; Kaiyong Cai
- Source:
- Colloids and surfaces 2018 v.170 pp. 382-392
- ISSN:
- 0927-7765
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray photoelectron spectroscopy; adhesion; antibacterial properties; atomic force microscopy; bacteria; bacterial infections; coatings; colloids; contact angle; cytotoxicity; gelatin; nuclear magnetic resonance spectroscopy; orthopedics; osteoblasts; postoperative complications; prostheses; roughness; scanning electron microscopy; titanium; wettability
- Abstract:
- ... Bacterial infection is one of the most severe postoperative complications leading to clinical orthopedic implants failure. To improve the antibacterial property of titanium (Ti) substrates, a bioactive coating composed of chitosan-1-(hydroxymethyl)- 5,5-dimethylhydantoin (Chi–HDH-Cl) and gelatin (Gel) was fabricated via layer-by-layer (LBL) assembly technique. The results of Fourier transform infr ...
- DOI:
- 10.1016/j.colsurfb.2018.06.039
- https://doi.org/10.1016/j.colsurfb.2018.06.039
- Author:
- Zhiyu Zhang; Hao Suo; Xiaoqi Zhao; Dan Sun; Li Fan; Chongfeng Guo
- Source:
- ACS applied materials & interfaces 2018 v.10 no.17 pp. 14570-14576
- ISSN:
- 1944-8252
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; emissions; heat; hepatoma; humans; image analysis; muscle tissues; nanoparticles; photoluminescence; pork; scanning electron microscopy; therapeutics; thermography; transmission electron microscopy; wavelengths
- Abstract:
- ... A difunctional nano-photothermal therapy (PTT) platform with near-infrared excitation to near-infrared emission (NIR-to-NIR) was constructed through core–shell structures Y₂O₃:Nd³⁺/Yb³⁺@SiO₂@Cu₂S (YRSC), in which the core Y₂O₃:Nd³⁺/Yb³⁺ and shell Cu₂S play the role of bioimaging and photothermal conversion function, respectively. The structure and composition of the present PTT agents (PTAs) were ...
- DOI:
- 10.1021/acsami.8b03239
- https://doi.org/10.1021/acsami.8b03239
- Author:
- Weijun Shou; Fuxing Kang; Jiahao Lu
- Source:
- Environmental science & technology 2018 v.52 no.2 pp. 457-466
- ISSN:
- 1520-5851
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; apoptosis; cadmium; chemistry; copper; ecosystem services; environmental science; fluorescence emission spectroscopy; heavy metals; toxicity
- Abstract:
- ... Extracellular polymeric substances (EPSs) dispersed in natural waters play a significant role in relieving impacts to microbial survival associated with heavy metal release, yet little is known about the association of freely dissolved EPS ecosystem services with metal transformation in natural waters. Here, we demonstrate that dispersive EPSs mitigate the metal toxicity to microbial cells through ...
- DOI:
- 10.1021/acs.est.7b04834
- https://doi.org/10.1021/acs.est.7b04834
- Author:
- Tianyi Wu; Fei Lu; Qiuhan Wen; Kun Yu; Bitao Lu; Bao Rong; Fangyin Dai; Guangqian Lan
- Source:
- Cellulose 2018 v.25 no.9 pp. 5361-5376
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; absorption; animal models; antimicrobial properties; ascorbic acid; biobased products; cell viability; coatings; cost effectiveness; cotton; cytotoxicity; growth retardation; histology; microbial growth; mixing; nanoparticles; nanosilver; nitrates; polyvinylpyrrolidone; silver; soaking; tissue repair; ultraviolet-visible spectroscopy; water uptake
- Abstract:
- ... A simple but cost-effective method for preparing a novel partially carboxymethylated cotton gauze (PCG) with silver nanoparticles (AgNPs; i.e., PCG/Ag) was developed through carboxymethylation modification and reduction of Ag nitrate using polyvinylpyrrolidone (PVP) as a coating and complexing agent. The Fourier transform infrared spectrum of PCG/Ag revealed an absorption band at 1610 cm⁻¹ and no ...
- DOI:
- 10.1007/s10570-018-1907-z
- https://doi.org/10.1007/s10570-018-1907-z
- Author:
- Wenwen Sun; Guangkai Chen; Fahe Wang; Yimin Qin; Zai Wang; Jun Nie; Guiping Ma
- Source:
- Carbohydrate polymers 2018 v.181 pp. 183-190
- ISSN:
- 0144-8617
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; alginates; antibacterial properties; biocompatibility; biodegradability; chitosan; cytotoxicity; freeze drying; humans; polymers; porosity; scanning electron microscopy
- Abstract:
- ... Chitosan and alginate have been considered to be promising natural polymers for biomedical application because of their biocompatibility, biodegradability and similarity to macromolecules recognized by human body, which are extensively used in wounds and burns management. Here a sponge-like polyelectrolyte-complex multilayer membrane (PCMM) was prepared via freeze-drying method. The attenuated tot ...
- DOI:
- 10.1016/j.carbpol.2017.10.068
- https://doi.org/10.1016/j.carbpol.2017.10.068
- Author:
- Juan Xiong; Meihua Hu; Xiaoping Li; Hongying Li; Xin Li; Xiang Liu; Guozhong Cao; Weishan Li
- Source:
- Biosensors & bioelectronics 2018 v.109 pp. 116-122
- ISSN:
- 0956-5663
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; anodes; bacteria; biosensors; cytochromes; energy-dispersive X-ray analysis; flagellum; gluconates; graphene; iron; leaching; microbial fuel cells; moieties; redox reactions; scanning electron microscopy
- Abstract:
- ... A porous graphite (PG) is proposed as anode electrocatalyst of microbial fuel cell (MFC), which is synthesized by thermally decomposing ferrous gluconate followed by leaching iron. The physical characterizations from scanning electron microscopy, Brunauer-Emmett-Teller, X-ray diffraction, Raman spectroscopy, Fourier transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, and X-ray p ...
- DOI:
- 10.1016/j.bios.2018.03.001
- https://doi.org/10.1016/j.bios.2018.03.001
- Author:
- Zachary K. Zander; Peiru Chen; Yen-Hao Hsu; Nathan Z. Dreger; Laura Savariau; Willie C. McRoy; Alec E. Cerchiari; Sean D. Chambers; Hazel A. Barton; Matthew L. Becker
- Source:
- Biomaterials 2018 v.178 pp. 339-350
- ISSN:
- 0142-9612
- Subject:
- Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; X-ray photoelectron spectroscopy; antimicrobial properties; biofilm; catheters; drugs; extrusion; fluorescence; fluorescence emission spectroscopy; inoculum; medicine; moieties; polyurethanes; prototypes; quaternary ammonium compounds; thermoplastics; thiols
- Abstract:
- ... The use of catheters is ubiquitous in medicine and the incidence of infection remains unacceptably high despite numerous advances in functional surfaces and drug elution. Herein we report the use of a thermoplastic polyurethane containing an allyl ether side-chain functionality (allyl-TPU) that allows for rapid and convenient surface modification with antimicrobial reagents, post-processing. This ...
- DOI:
- 10.1016/j.biomaterials.2018.05.010
- https://doi.org/10.1016/j.biomaterials.2018.05.010
- Author:
- Miaomiao Jiang; Bin Zhang; Xiaoning Tang; Qiuling Liu; Shenglong Tian
- Source:
- Journal of materials science 2018 v.53 no.21 pp. 14922-14932
- ISSN:
- 0022-2461
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; antimicrobial properties; ions; micropores; rare earth elements; reactive oxygen species; scanning electron microscopy; silica; sol-gel processing; surface area; synergism; zinc; zinc oxide
- Abstract:
- ... The development of advanced functional materials, capable of providing effective antimicrobial activity, has a big demand from the contemporary society. Advanced functional antimicrobial amorphous silica composites (ASC) are prepared by using sol–gel process and modified by Zn ions and rare-earth element Lu. The preparation conditions are optimized by single-factor analysis, and as-prepared functi ...
- DOI:
- 10.1007/s10853-018-2688-3
- https://doi.org/10.1007/s10853-018-2688-3
47. Rapid Mussel-Inspired Surface Zwitteration for Enhanced Antifouling and Antibacterial Properties
- Author:
- Anika Benozir Asha; Yangjun Chen; Huixin Zhang; Sina Ghaemi; Kazuhiko Ishihara; Yang Liu; Ravin Narain
- Source:
- Langmuir 2018 v.35 no.5 pp. 1621-1630
- ISSN:
- 1520-5827
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray photoelectron spectroscopy; adhesion; adsorption; antibacterial properties; atomic force microscopy; bacteria; bovine serum albumin; catechol; chemical bonding; coatings; composite polymers; contact angle; dopamine; medical equipment; nanosilver; phosphorylcholine; polyethyleneimine; thiols; zwitterions
- Abstract:
- ... Mussel-inspired dopamine chemistry has increasingly been used for surface modification due to its simplicity, versatility, and strong reactivity for secondary functionalization with amine or thiol containing molecules. In this work, we demonstrate a facile surface modification technique using dopamine chemistry to prepare a zwitterionic polymer coating with both antifouling and antimicrobial prope ...
- DOI:
- 10.1021/acs.langmuir.8b03810
- https://doi.org/10.1021/acs.langmuir.8b03810
- Author:
- Nicolas Masurier; Jean-Baptiste Tissot; Douae Boukhriss; Said Jebors; Coline Pinese; Pascal Verdié; Muriel Amblard; Ahmad Mehdi; Jean Martinez; Vincent Humblot; Gilles Subra
- Source:
- Journal of materials chemistry 2018 v.6 no.12 pp. 1782-1790
- ISSN:
- 2050-7518
- Subject:
- Escherichia coli; X-ray photoelectron spectroscopy; antimicrobial peptides; antimicrobial properties; biofilm; carboxylic acids; catheters; chemoselectivity; growth retardation; lysine; mechanism of action; silane; silicone; surfactants; titanium
- Abstract:
- ... Relying on a membrane-disturbing mechanism of action and not on any intracellular target, antimicrobial peptides (AMP) are attractive compounds to be grafted on the surface of implantable materials such as silicone catheters or titanium surgical implants. AMP sequences often display numerous reactive functions (e.g. amine, carboxylic acid) on their side chains and straightforward conjugation chemi ...
- DOI:
- 10.1039/c8tb00051d
- https://doi.org/10.1039/c8tb00051d
- Author:
- Alexander S. Münch; Michele Wölk; Mikhail Malanin; Klaus-Jochen Eichhorn; Frank Simon; Petra Uhlmann
- Source:
- Journal of materials chemistry 2018 v.6 no.5 pp. 830-843
- ISSN:
- 2050-7518
- Subject:
- Bacillus subtilis; Escherichia coli; Fourier transform infrared spectroscopy; Saccharomyces cerevisiae; X-ray photoelectron spectroscopy; acid hydrolysis; antifouling activities; atomic force microscopy; bacteria; biocompatibility; cell adhesion; cellulose; chemical bonding; coatings; composite polymers; energy-dispersive X-ray analysis; films (materials); free radicals; models; paper; phosphorylcholine; polymerization; silicon; wafers; yeasts; zwitterions
- Abstract:
- ... Cellulose, as the main component of paper, is becoming more and more important for several high tech applications because of its beneficial properties, such as abundance, low cost, renewability, mechanical robustness and biocompatibility. To make cellulose accessable for new applications it is necessary to introduce new properties, which can be done by surface modification e.g. grafting of polymer ...
- DOI:
- 10.1039/c7tb02886e
- https://doi.org/10.1039/c7tb02886e
- Author:
- Jidong Ru; Xueren Qian; Ying Wang
- Source:
- Cellulose 2018 v.25 no.9 pp. 5443-5454
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; X-ray photoelectron spectroscopy; antibacterial properties; cellulose; cotton fabric; encapsulation; nanocomposites; nanosilver; polyvinylpyrrolidone; scanning electron microscopy; stabilizers; sterilizing; transmission electron microscopy; washing
- Abstract:
- ... The main objective of this investigation was to improve the dispersion effect of silver nanoparticles on nano silver sol preparation by encapsulation of silver nanoparticles in neutral nanoliposomes (NL) and cationic nanoliposomes (CL) as an alternative to polyvinylpyrrolidone (PVP). Prepared Ag-liposome nanocomposites and antibacterial cotton fabrics were characterized by XRD, TEM, SEM and XPS re ...
- DOI:
- 10.1007/s10570-018-1953-6
- https://doi.org/10.1007/s10570-018-1953-6