Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 514, Issue -, Pages 733-739Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2018.01.014
Keywords
Green reduction; Reduced graphene oxide; Vancomycin; Antibacterial; Film
Categories
Funding
- National Natural Scientific Foundation of China [21504072, 51741304]
- Program for the Fundamental Research Funds for the Central Universities [SWU115005]
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Chemical reduction of graphene oxide (GO) is a simple and inexpensive method for the large-scale production of graphene-based materials. A suitable reducing agent, especially a green reductant, is in high demand for the production of reduced GO (RGO). Vancomycin, a glycopeptide antibiotic used to treat a variety of Gram-positive bacterial infections, was used to chemically reduce GO at a weak alkaline pH. As far as we know, this is the first report of reduction of GO by a glycopeptide antibiotic. The resulting vancomycin-decorated RGO (RGO-Van) was characterized by UV-visible adsorption and Raman spectroscopies, X-ray diffraction pattern and atomic force microscopy (AFM). The antibacterial effect of the RGO-Van suspension was investigated by the bacterial growth curves. The RGO-Van sheet can be fabricated into paper-like film through vacuum filtration. The antibacterial property of the as-obtained RGO-Van film was assessed by the inhibition zone test, and the bacterial adhesion assay. The antibacterial efficacy of the RGO-Van film was also verified by treatment of wound infection caused by Staphylococcus aureus (S. aureus) in a rat infection model. (C) 2018 Elsevier Inc. All rights reserved.
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