Preparation of Highly Dispersed Reduced Graphene Oxide Decorated with Chitosan Oligosaccharide as Electrode Material for Enhancing the Direct Electron Transfer of Escherichia coli
| Autor: | Guangqin Qi, Zhimin Luo, Wei Huang, Lianhui Wang, Lihui Yuwen, Dongliang Yang, Yuqian Zhang, Lixing Weng |
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| Rok vydání: | 2015 |
| Předmět: |
Microbial fuel cell
Materials science Biocompatibility Inorganic chemistry Oxide Oligosaccharides Electrons Spectrum Analysis Raman law.invention chemistry.chemical_compound Electron transfer law Spectroscopy Fourier Transform Infrared Escherichia coli General Materials Science Electrodes Chitosan Aqueous solution Graphene Oxides Electrochemical Techniques Hydrogen-Ion Concentration Solutions chemistry Chemical engineering Nanoparticles Surface modification Graphite Spectrophotometry Ultraviolet Glass Cyclic voltammetry Oxidation-Reduction |
| Zdroj: | ACS Applied Materials & Interfaces. 7:8539-8544 |
| ISSN: | 1944-8252 1944-8244 |
| DOI: | 10.1021/acsami.5b00297 |
| Popis: | Water-dispersed reduced graphene oxide/chitosan oligosaccharide (RGO-CTSO) was prepared by chemical reduction of graphene oxide and synchronous functionalization with biocompatible chitosan oligosaccharide (CTSO). ζ potential measurement indicated that RGO-CTSO was highly stable in the acidic aqueous solution. RGO-CTSO was used to modify glassy carbon electrode (GCE) as the growth template of Escherichia coli (E. coli). The enhanced direct electron transfer of E. coli on the RGO-CTSO-modified GCE was studied by cyclic voltammetry. Compared with GCE or RGO-modified GCE, RGO-CTSO-modified GCE was more suitable for the adhesion growth of E. coli to improve direct electron transfer. The biocompatibility and versatility of RGO-CTSO made it promising for use as an anode material in microbial fuel cells. |
| Databáze: | OpenAIRE |
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