The Role of Protease-Producing Bacteria in Microbial Fuel Cells
Publish place: Medbiotech Journal، Vol: 4، Issue: 3
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MBT-4-3_001
تاریخ نمایه سازی: 17 فروردین 1400
Abstract:
Microbial fuel cells are devices that generate electricity by using the chemical energy which is hidden in the substrates. Bacillus subtilis and Shewanella, connected in series, were used in order to increase the voltage. A bio cathode was used as an oxygen acceptor which was filled by Chlorella vulgaris. An amount of 200 mL molasses was used in the anode, and 200 mL BBM in the cathode. Nafion 115 was used as a PEM at 27˚C under microaerophilic conditions prepared for these experiments. At the same time as producing electricity, the basic protease was generated in the anode chamber containing B.subtilis. This protease was detected by Bradford’s test. The series connection of MFCs increased the voltage, and for the first time, we succeeded in producing biological products like enzymes in MFCs.
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Authors
Saeid Razavi
Department of Microbiology, Payam Noor University, Sanandaj, Iran
Abbas Sarafraz
Department of Microbiology, Payam Noor University, Sanandaj, Iran