Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control School of Environmental Science and Engineering Institute of Environmental Health and Pollution Control GuangdongUniversity of Technology Guangzhou510006 China;
Institute of Natural Medicine&Green Chemistry School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou510006 China;
electroactive bacteria; extracellular polymeric substances; redox properties; SERS;