title: Synergetic antibacterial activity of reduced graphene oxide and boron doped diamond anode in three dimensional electrochemical oxidation system.
abstract: A 100% increment of antibacterial ability has been achieved due to significant synergic effects of boron-doped diamond (BDD) anode and reduced graphene oxide (rGO) coupled in a three dimensional electrochemical oxidation system. The rGO, greatly enhanced by BDD driven electric field, demonstrated strong antibacterial ability and even sustained its excellent performance during a reasonable period after complete power cut in the BDD-rGO system. Cell damage experiments and TEM observation confirmed much stronger membrane stress in the BDD-rGO system, due to the faster bacterial migration and charge transfer by the expanded electro field and current-carrying efficiency by quantum tunnel. Reciprocally the hydroxyl-radical production was eminently promoted with expanded area of electrodes and delayed recombination of the electron-hole pairs in presence of the rGO in the system. This implied a huge potential for practical disinfection with integration of the promising rGO and the advanced electrochemical oxidation systems.
authors.affiliation: School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China.
authors.forename: Xiujuan
authors.initials: X
authors.lastname: Qi
authors.affiliation: College of Environmental Science and Engineering, Peking University; Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing 100871, China.
authors.forename: Ting
authors.initials: T
authors.lastname: Wang
authors.affiliation: College of Environmental Science and Engineering, Peking University; Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing 100871, China.
authors.forename: Yujiao
authors.initials: Y
authors.lastname: Long
authors.affiliation: 1] School of Environment and Energy, Peking University Shenzhen Graduate School, Shenzhen 518055, China [2] College of Environmental Science and Engineering, Peking University; Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing 100871, China.
authors.forename: Jinren
authors.initials: J
authors.lastname: Ni
mesh_terms: D001895:Boron / Q000737:chemistry*; D018130:Diamond / Q000737:chemistry*; D004202:Disinfectants / Q000737:chemistry / Q000494:pharmacology; D004357:Drug Synergism; D055664:Electrochemical Techniques; D004566:Electrodes; D004926:Escherichia coli / Q000187:drug effects; D006108:Graphite / Q000737:chemistry*; D046529:Microscopy, Electron, Transmission; D049329:Nanostructures / Q000737:chemistry / Q000648:ultrastructure; D010084:Oxidation-Reduction; D010087:Oxides / Q000737:chemistry
chemical_list: D004202:Disinfectants; D010087:Oxides; D018130:Diamond; D006108:Graphite; D001895:Boron