Abstract The bacterial isolate, Pseudomonas aeruginosa BR was tested for its electrochemical activity in different zones within the anode chamber of the microbial fuel cell (MFC). Zonal activity was studied using cyclic voltammetry (CV), impedance spectroscopy (EIS) and fluorescent spectroscopy. Redox activity was prominent and charge transfer impedance (CT) was 13.94 Ω and 58.64 Ω referring to the flow of electron from microbe to biofilm via mediator in the anode chamber (Z1 zone). The abode biofilm (Z2 zone) depicted less redox activity and CT of 48.79 Ω. The anolyte (Z3 zone) had the lowest CT of 20.13 Ω and moderate redox activity. The bacterial cells were 69.18% and 91.64% live in anode biofilm and anolyte respectively. The culture was prominently active in the anolyte zone of the MFC. This awareness of zonal activity can be applicable in the integrated MFC systems where targeted action of microbes can be an added benefit.

中文翻译：

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微生物燃料电池中铜绿假单胞菌电化学活性区的研究

摘要 在微生物燃料电池 (MFC) 的阳极室内不同区域测试了细菌分离株铜绿假单胞菌 BR 的电化学活性。使用循环伏安法 (CV)、阻抗光谱法 (EIS) 和荧光光谱法研究区域活性。氧化还原活性显着，电荷转移阻抗 (CT) 为 13.94 Ω 和 58.64 Ω，指的是电子通过阳极室（Z1 区）中的介质从微生物流向生物膜。住所生物膜（Z2 区）的氧化还原活性较低，CT 为 48.79 Ω。阳极电解液（Z3 区）具有 20.13 Ω 的最低 CT 和中等氧化还原活性。细菌细胞分别有 69.18% 和 91.64% 活在阳极生物膜和阳极电解液中。该培养物在 MFC 的阳极电解液区非常活跃。