Journal of Industrial and Engineering Chemistry, Vol.19, No.4, 1280-1288, July, 2013
Antibacterial activity of dithiothreitol reduced graphene oxide
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A green and simple approach is described for the large scale synthesis of reduced graphene oxide (rGO). The transition of graphene oxide (GO) into graphene was confirmed using various analytical techniques. Raman spectroscopy data indicate the partial removal of oxygen-containing functional groups from the surface of GO and formation of graphene. X-ray diffraction (XRD) was used to investigate the crystallinity of graphene nanosheets. The antibacterial activity of GO and rGO was evaluated using cell viability, reactive oxygen species (ROS) production and DNA fragmentation assays. The results suggest that GO and rGO possessed an excellent antimicrobial activity against Escherichia coli.
Keywords:Graphene oxide;Reduced graphene oxide;Dithiothreitol;E. coli;UV-visible spectroscopy;Raman spectroscopy
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