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- 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:
- Hou-Yong Yu; Guo-Yin Chen; Yi-Bo Wang; Ju-Ming Yao
- Source:
- Cellulose 2015 v.22 no.1 pp. 261-273
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Staphylococcus aureus; X-ray diffraction; acid hydrolysis; antibacterial properties; aqueous solutions; cellulose; citric acid; hydrochloric acid; irradiation; methylene blue; microstructure; nanocrystals; nanoparticles; nitrates; photolysis; scanning electron microscopy; spectroscopy; temperature; thermal degradation; thermal stability; thermogravimetry; ultraviolet radiation; zinc; zinc oxide
- Abstract:
- ... Cellulose nanocrystal/zinc oxide (CNC/ZnO) nanohybrids were prepared through citric acid/hydrochloric acid hydrolysis of commercial microcrystalline cellulose (MCC), and simple precipitation with zinc nitrate aqueous solution [Zn(NO₃)₂·6H₂O] via one-pot green synthesis, in which preparation and modification of CNCs were performed simultaneously and the obtained CNCs with carboxyl groups could act ...
- DOI:
- 10.1007/s10570-014-0491-0
- https://doi.org/10.1007/s10570-014-0491-0
- Author:
- Matej Bračič; Lourdes Pérez; Rosa Infante Martinez-Pardo; Ksenija Kogej; Silvo Hribernik; Olivera Šauperl; Lidija Fras Zemljič
- Source:
- Cellulose 2014 v.21 no.4 pp. 2647-2663
- ISSN:
- 0969-0239
- Subject:
- Candida glabrata; Staphylococcus aureus; biopolymers; scanning electron microscopy; reflectance; aqueous solutions; turbidity; cellulose; Kjeldahl method; Fourier transform infrared spectroscopy; Streptococcus agalactiae; Escherichia coli; antimicrobial properties; Candida albicans; lysine; medicine; coatings; hyaluronic acid; nitrogen; binding sites; pH; viscose
- Abstract:
- ... In this investigation, a novel coating for viscose fabric surface modification was developed using a synergistic formulation between a natural antimicrobial cationic surfactant from lysine (MKM) and a biopolymer hyaluronic acid (HA). The interaction between MKM and HA in aqueous solutions, as well as the interactions between their synergistic formulation (HA-MKM) and viscose fabric (CV) were studi ...
- DOI:
- 10.1007/s10570-014-0338-8
- https://doi.org/10.1007/s10570-014-0338-8
- Author:
- Santosh Kumar; P.K. Dutta; Joonseok Koh
- Source:
- International journal of biological macromolecules 2011 v.49 no.3 pp. 356-361
- ISSN:
- 0141-8130
- Subject:
- Candida albicans; Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; X-ray diffraction; acetic acid; anti-infective agents; anti-infective properties; aqueous solutions; bacteria; chitosan; crosslinking; hydrocolloids; photoluminescence; scanning electron microscopy; screening; solvents; thermal stability; thermogravimetry
- Abstract:
- ... This paper describes an elegant cross-linking technique for the preparation of chitosan–chloroquinoline derivative by using a greener technique. Chitosan solution in aqueous acetic acid was treated with 2-chloroquinoline-3-carbaldehyde solution to form hydrogel; the resulting hydrogel was subjected to solvent exchange. Combining the results of FTIR and XRD confirmed that 2-chloroquinoline-3-carbal ...
- DOI:
- 10.1016/j.ijbiomac.2011.05.017
- https://doi.org/10.1016/j.ijbiomac.2011.05.017
- Author:
- M. Annadhasan; V.R. SankarBabu; R. Naresh; K. Umamaheswari; N. Rajendiran
- Source:
- Colloids and surfaces 2012 v.96 no. pp. 14-21
- ISSN:
- 0927-7765
- Subject:
- Candida albicans; Candida krusei; Candida tropicalis; Escherichia coli; Fourier transform infrared spectroscopy; Pseudomonas; Staphylococcus aureus; additives; amino acid composition; amino acids; antifungal properties; aqueous solutions; bile salts; colloids; guidelines; ions; light scattering; nanosilver; silver; silver nitrate; solar radiation; transmission electron microscopy
- Abstract:
- ... Aqueous solution containing two additives, silver nitrate (AgNO₃) and sodium salt of N-cholyl amino acid were irradiated by sunlight for the synthesis of spherical shaped AgNPs without the need for an additional stabilizer or capping agent. Variations of N-cholyl amino acid concentration provided good control over the morphology of the AgNPs, while the carboxylate group of bile salt reduced the Ag ...
- DOI:
- 10.1016/j.colsurfb.2012.03.009
- https://doi.org/10.1016/j.colsurfb.2012.03.009
6. 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:
- Brandrick, Angela M.; Newton, J.M.; Henderson, G.; Vickers, J.A.
- Source:
- Journal of applied microbiology 1967 v.30 no.3 pp. 484-487
- ISSN:
- 1364-5072
- Subject:
- Escherichia coli; Staphylococcus aureus; aqueous solutions; bacteria; iodine
- Abstract:
- ... The interaction between aqueous solutions of radioactive iodine (¹³¹I) and washed suspensions of Escherichia coli and Staphylococcus aureus has been investigated. The conditions of the experiments were such that the bacteria were killed and no free iodine remained. Most of the iodine reacted with the bacteria by an oxidation-reduction process, but halogenation also took place. ...
- DOI:
- 10.1111/j.1365-2672.1967.tb00325.x
- https://doi.org/10.1111/j.1365-2672.1967.tb00325.x
- Author:
- G. Gozzelino; D. E. Romero Romero Tobar; N. Chaitiemwong; W. Hazeleger; R. Beumer
- Source:
- Journal of food protection 2011 v.74 no.12 pp. 2107-2112
- ISSN:
- 0362-028X
- Subject:
- Escherichia coli; Listeria monocytogenes; Staphylococcus aureus; ammonium; antibacterial properties; aqueous solutions; bacteria; biocides; carbon; coatings; copolymerization; crosslinking; leaching; moieties; polymers; quaternary ammonium compounds; resins; stainless steel; ultraviolet radiation; urethane
- Abstract:
- ... Antibacterial polymers suitable for coating applications without leaching of the biocidal component have been obtained by UV copolymerization of acrylic resins with acrylic monomers containing quaternary ammonium moieties. Suitable reactive biocides, based on quaternary ammonium monomers (QAMs), endowed with undecylacryloyl group and alkyl chains with 2 (QAM-C2), 8 (QAM-C8), and 16 (QAM-C16) carbo ...
- DOI:
- 10.4315/0362-028X.JFP-11-220
- https://doi.org/10.4315/0362-028X.JFP-11-220
- 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:
- 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
12. Antibacterial hybrid cellulose–graphene oxide nanocomposite immobilized with silver nanoparticles
- Author:
- Soon Wei Chook; Chin Hua Chia; Sarani Zakaria; Mohd Khan Ayob; Nay Ming Huang; Hui Min Neoh; Rahman Jamal
- Source:
- RSC advances 2015 v.5 no.33 pp. 26263-26268
- ISSN:
- 2046-2069
- Subject:
- Escherichia coli; Staphylococcus aureus; ammonia; antibacterial properties; aqueous solutions; asymmetric membranes; cellulose; electrostatic interactions; graphene oxide; ions; leaching; moieties; nanocomposites; nanosilver; silver
- Abstract:
- ... A hybrid nanocomposite cellulose membrane containing graphene oxide and silver nanoparticles was produced via a two step synthesis method. First, regenerated cellulose membranes containing different percentages of graphene oxide (GO) were produced by coagulating the mixture in an acid coagulating bath. Afterward, silver nanoparticles (AgNPs) were in situ synthesized onto the membranes using the mo ...
- DOI:
- 10.1039/c5ra01897h
- https://doi.org/10.1039/c5ra01897h
- 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:
- Jorge Padrão; Raul Machado; Margarida Casal; Senentxu Lanceros-Méndez; Ligia R. Rodrigues; Fernando Dourado; Vitor Sencadas
- Source:
- International journal of biological macromolecules 2015 v.81 pp. 608-614
- ISSN:
- 0141-8130
- Subject:
- Escherichia coli; Fourier transform infrared spectroscopy; Staphylococcus aureus; adsorption; anti-infective agents; antibacterial properties; antibiotic resistance; aqueous solutions; biocompatible materials; cattle; crosslinking; fish; food packaging; gelatin; glutaraldehyde; lactoferrin; medical equipment; microorganisms; nanofibers; vapors
- Abstract:
- ... The increase of antibiotic resistant microorganisms urged the development and synthesis of novel antimicrobial biomaterials to be employed in a broad range of applications, ranging from food packaging to medical devices. This work describes the production and characterization of a protein-based electrospun fibrous membranes bearing antimicrobial properties. Its composition is exclusively comprised ...
- DOI:
- 10.1016/j.ijbiomac.2015.08.047
- https://doi.org/10.1016/j.ijbiomac.2015.08.047
- 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:
- 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:
- Jin Feng; Qingshan Shi; Wenru Li; Xiulin Shu; Aimei Chen; Xiaobao Xie; Xiaomo Huang
- Source:
- Cellulose 2014 v.21 no.6 pp. 4557-4567
- ISSN:
- 0969-0239
- Subject:
- Escherichia coli; Staphylococcus aureus; antibacterial properties; aqueous solutions; cellulose; ion exchange; ions; nanosilver; oxidation; silver; silver nitrate; sodium; sodium citrate
- Abstract:
- ... In order to improve the antimicrobial activity of bacterial cellulose (BC), the silver nanoparticles (Ag NPs) were in situ fabricated on the BC membranes, affording BC and Ag hybrid antimicrobial materials, BC + Ag, which possesses excellent antimicrobial performance. Typically, carboxyl groups were firstly introduced into BC by TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl radical)-mediated oxidati ...
- DOI:
- 10.1007/s10570-014-0449-2
- https://doi.org/10.1007/s10570-014-0449-2
- 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:
- Lifeng Zhang; Jie Luo; Todd J. Menkhaus; Hemanthram Varadaraju; Yuyu Sun; Hao Fong
- Source:
- Journal of membrane science 2011 v.369 no.1-2 pp. 499-505
- ISSN:
- 0376-7388
- Subject:
- Escherichia coli; Staphylococcus aureus; air; aqueous solutions; artificial membranes; cost effectiveness; filtration; hydroxylamine; ions; microorganisms; nanofibers; nanosilver; permeability; polyacrylonitrile; potassium bromide; silver; silver nitrate
- Abstract:
- ... In this study, polyacrylonitrile (PAN) nano-fibrous membranes with fiber diameters of ∼450nm were prepared by the technique of electrospinning; amidoxime nano-fibrous membranes were then prepared through treatment of PAN nano-fibrous membranes in hydroxylamine (NH₂OH) aqueous solution. The –CN groups on the surface of PAN nanofibers reacted with NH₂OH molecules and led to the formation of –C(NH₂)N ...
- DOI:
- 10.1016/j.memsci.2010.12.032
- https://doi.org/10.1016/j.memsci.2010.12.032
- Author:
- Daewon Park; Alyssa M. Larson; Alexander M. Klibanov; Yadong Wang
- Source:
- Applied biochemistry and biotechnology 2013 v.169 no.4 pp. 1134-1146
- ISSN:
- 0273-2289
- Subject:
- Enterovirus C; Staphylococcus aureus; aqueous solutions; Escherichia coli; polyurethanes; antibacterial properties
- Abstract:
- ... We have prepared and characterized a new polyurethane-based antimicrobial material, N,N-dodecyl,methyl-polyurethane (Quat-12-PU). It exhibits strong antiviral and antibacterial activities when coated (as an organic solution or an aqueous nanosuspension) onto surfaces and antibacterial activity when electrospun into nanofibers. Quat-12-PU surfaces are able to kill airborne Gram-positive Staphylococ ...
- DOI:
- 10.1007/s12010-012-9999-7
- PubMed:
- 23306899
- https://doi.org/10.1007/s12010-012-9999-7