PEGylated chitosan protected silver nanoparticles as water-borne coating for leather with antibacterial property.
Identifieur interne : 000602 ( Main/Corpus ); précédent : 000601; suivant : 000603PEGylated chitosan protected silver nanoparticles as water-borne coating for leather with antibacterial property.
Auteurs : Gongyan Liu ; Kaijun Li ; Quanqing Luo ; Haibo Wang ; Zongcai ZhangSource :
- Journal of colloid and interface science [ 1095-7103 ] ; 2017.
English descriptors
- KwdEn :
- Anti-Bacterial Agents (chemistry), Anti-Bacterial Agents (pharmacology), Chitosan (analogs & derivatives), Chitosan (pharmacology), Clothing (MeSH), Escherichia coli (drug effects), Escherichia coli Infections (prevention & control), Humans (MeSH), Metal Nanoparticles (chemistry), Microbial Sensitivity Tests (MeSH), Polyethylene Glycols (chemistry), Polyethylene Glycols (pharmacology), Shoes (MeSH), Silver (chemistry), Silver (pharmacology), Staphylococcal Infections (prevention & control), Staphylococcus aureus (drug effects), Textiles (microbiology).
- MESH :
- chemical , analogs & derivatives : Chitosan.
- chemical , chemistry : Anti-Bacterial Agents, Polyethylene Glycols, Silver.
- chemical , pharmacology : Anti-Bacterial Agents, Chitosan, Polyethylene Glycols, Silver.
- chemistry : Metal Nanoparticles.
- drug effects : Escherichia coli, Staphylococcus aureus.
- microbiology : Textiles.
- prevention & control : Escherichia coli Infections, Staphylococcal Infections.
- Clothing, Humans, Microbial Sensitivity Tests, Shoes.
Abstract
Development of eco-labeled and effectively antibacterial coatings for final leather products has been desiderated both by industry and by consumers. Herein, PEGylated chitosan modified silver nanoparticles (PEG-g-CS@AgNPs) were prepared and characterized by UV-vis spectroscopy, transmission electron microscopy and dynamic light scattering. The antimicrobial activity of such silver nanoparticles was investigated against Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. aureus), exhibiting much lower minimum inhibitory concentration (MIC) than chitosan or PEG-g-CS. Water-borne coating was formed by immobilizing the PEG-g-CS@AgNPs onto the leather surface through the electrostatic interaction between amino groups of chitosan and carboxyl groups of leather collagen. Scanning electron microscopy and water contact angle were employed to study the coating's morphology and hydrophilicity, respectively. After coating, leather samples showed significantly high bactericidal efficiency with reusability after release of dead cells from the coating by simply water washing. The excellent antibacterial property of PEG-g-CS@AgNPs coating was ascribed to the combination of bacteria-resistance and bacteria-release by PEGylation, and dual bacteria-killing based on chitosan and Ag+ release.
DOI: 10.1016/j.jcis.2016.11.103
PubMed: 27940031
Links to Exploration step
pubmed:27940031Le document en format XML
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<author><name sortKey="Liu, Gongyan" sort="Liu, Gongyan" uniqKey="Liu G" first="Gongyan" last="Liu">Gongyan Liu</name>
<affiliation><nlm:affiliation>Department of Biomass Chemistry and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China.</nlm:affiliation>
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<author><name sortKey="Li, Kaijun" sort="Li, Kaijun" uniqKey="Li K" first="Kaijun" last="Li">Kaijun Li</name>
<affiliation><nlm:affiliation>Department of Biomass Chemistry and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China.</nlm:affiliation>
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<author><name sortKey="Luo, Quanqing" sort="Luo, Quanqing" uniqKey="Luo Q" first="Quanqing" last="Luo">Quanqing Luo</name>
<affiliation><nlm:affiliation>Department of Biomass Chemistry and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China.</nlm:affiliation>
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<author><name sortKey="Wang, Haibo" sort="Wang, Haibo" uniqKey="Wang H" first="Haibo" last="Wang">Haibo Wang</name>
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<author><name sortKey="Li, Kaijun" sort="Li, Kaijun" uniqKey="Li K" first="Kaijun" last="Li">Kaijun Li</name>
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<author><name sortKey="Luo, Quanqing" sort="Luo, Quanqing" uniqKey="Luo Q" first="Quanqing" last="Luo">Quanqing Luo</name>
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<term>Chitosan (pharmacology)</term>
<term>Clothing (MeSH)</term>
<term>Escherichia coli (drug effects)</term>
<term>Escherichia coli Infections (prevention & control)</term>
<term>Humans (MeSH)</term>
<term>Metal Nanoparticles (chemistry)</term>
<term>Microbial Sensitivity Tests (MeSH)</term>
<term>Polyethylene Glycols (chemistry)</term>
<term>Polyethylene Glycols (pharmacology)</term>
<term>Shoes (MeSH)</term>
<term>Silver (chemistry)</term>
<term>Silver (pharmacology)</term>
<term>Staphylococcal Infections (prevention & control)</term>
<term>Staphylococcus aureus (drug effects)</term>
<term>Textiles (microbiology)</term>
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<term>Polyethylene Glycols</term>
<term>Silver</term>
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<term>Chitosan</term>
<term>Polyethylene Glycols</term>
<term>Silver</term>
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<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Metal Nanoparticles</term>
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<term>Staphylococcal Infections</term>
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<term>Microbial Sensitivity Tests</term>
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<front><div type="abstract" xml:lang="en">Development of eco-labeled and effectively antibacterial coatings for final leather products has been desiderated both by industry and by consumers. Herein, PEGylated chitosan modified silver nanoparticles (PEG-g-CS@AgNPs) were prepared and characterized by UV-vis spectroscopy, transmission electron microscopy and dynamic light scattering. The antimicrobial activity of such silver nanoparticles was investigated against Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. aureus), exhibiting much lower minimum inhibitory concentration (MIC) than chitosan or PEG-g-CS. Water-borne coating was formed by immobilizing the PEG-g-CS@AgNPs onto the leather surface through the electrostatic interaction between amino groups of chitosan and carboxyl groups of leather collagen. Scanning electron microscopy and water contact angle were employed to study the coating's morphology and hydrophilicity, respectively. After coating, leather samples showed significantly high bactericidal efficiency with reusability after release of dead cells from the coating by simply water washing. The excellent antibacterial property of PEG-g-CS@AgNPs coating was ascribed to the combination of bacteria-resistance and bacteria-release by PEGylation, and dual bacteria-killing based on chitosan and Ag<sup>+</sup>
release.</div>
</front>
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<ArticleTitle>PEGylated chitosan protected silver nanoparticles as water-borne coating for leather with antibacterial property.</ArticleTitle>
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<Abstract><AbstractText>Development of eco-labeled and effectively antibacterial coatings for final leather products has been desiderated both by industry and by consumers. Herein, PEGylated chitosan modified silver nanoparticles (PEG-g-CS@AgNPs) were prepared and characterized by UV-vis spectroscopy, transmission electron microscopy and dynamic light scattering. The antimicrobial activity of such silver nanoparticles was investigated against Gram-negative Escherichia coli (E. coli) and Gram-positive Staphylococcus aureus (S. aureus), exhibiting much lower minimum inhibitory concentration (MIC) than chitosan or PEG-g-CS. Water-borne coating was formed by immobilizing the PEG-g-CS@AgNPs onto the leather surface through the electrostatic interaction between amino groups of chitosan and carboxyl groups of leather collagen. Scanning electron microscopy and water contact angle were employed to study the coating's morphology and hydrophilicity, respectively. After coating, leather samples showed significantly high bactericidal efficiency with reusability after release of dead cells from the coating by simply water washing. The excellent antibacterial property of PEG-g-CS@AgNPs coating was ascribed to the combination of bacteria-resistance and bacteria-release by PEGylation, and dual bacteria-killing based on chitosan and Ag<sup>+</sup>
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<CopyrightInformation>Copyright © 2016 Elsevier Inc. All rights reserved.</CopyrightInformation>
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<Author ValidYN="Y"><LastName>Zhang</LastName>
<ForeName>Zongcai</ForeName>
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<AffiliationInfo><Affiliation>Department of Biomass Chemistry and Engineering, National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China.</Affiliation>
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<Language>eng</Language>
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