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Article Dans Une Revue Journal of The Electrochemical Society Année : 2020

Communication-Electrochemical Single Nano-Impacts of Electroactive Shewanella Oneidensis Bacteria onto Carbon Ultramicroelectrode

Résumé

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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hal-02928571 , version 1 (06-04-2023)

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Estelle Lebègue, Nazua L. Costa, Ricardo O. Louro, Frédéric Barrière. Communication-Electrochemical Single Nano-Impacts of Electroactive Shewanella Oneidensis Bacteria onto Carbon Ultramicroelectrode. Journal of The Electrochemical Society, 2020, 167 (10), pp.105501. ⟨10.1149/1945-7111/ab9e39⟩. ⟨hal-02928571⟩
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