Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 167, Issue 10, Pages -Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1945-7111/ab9e39
Keywords
Electrochemical Single Nano-impacts; Electroactive Bacteria; Shewanella Oneidensis; Carbon Ultramicroelectrode; Chronoamperometry Measurements; Redox Probe
Funding
- France-Portugal PHC PESSOA program [40814ZE]
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Electrochemical single nano-impacts of electroactiveShewanella oneidensisbacteria at a 7 mu m diameter carbon fibre ultramicroelectrode in an aqueous potassium phosphate buffer (pH = 7.2) solution containing a redox active probe (potassium ferro- or ferricyanide) is reported. We present chronoamperometric measurements recorded at the ultramicroelectrode polarized at the potential of the steady-state current of the redox probe in solution (oxidation for K4Fe(CN)(6)or reduction for K3Fe(CN)(6)) in the presence of bacteria. The shape of current transients associated to single bacteria nano-impacts is compared and discussed as a function of the redox probe in solution and of the ultramicroelectrode applied potential.
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