期刊
BIOTECHNOLOGY LETTERS
卷 39, 期 6, 页码 849-855出版社
SPRINGER
DOI: 10.1007/s10529-017-2307-4
关键词
Cell immobilization; Microbial photobioelectrochemical cell; Microfluidic device; Microtip array; Ultra-microelectrodes
资金
- National Research Foundation of Korea (NRF) - Korea government(Ministry of Science, ICT& Future Planning) [2014R1A2A1A11054042]
- Ministry of Environment under the Environment Convergence Technology Project [2012000670001]
- National Research Foundation of Korea [2014R1A2A1A11054042] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Objective To fabricate a novel microbial photobioelectrochemical cell using silicon microfabrication techniques. Results High-density photosynthetic cells were immobilized in a microfluidic chamber, and ultra-microelectrodes in a microtip array were inserted into the cytosolic space of the cells to directly harvest photosynthetic electrons. In this way, the microbial photobioelectrochemical cell operated without the aid of electron mediators. Both short circuit current and open circuit voltage of the microbial photobioelectrochemical cell responded to light stimuli, and recorded as high as 250 pA and 45 mV, respectively. Conclusion A microbial photobioelectrochemical cell was fabricated with potential use in next-generation photosynthesis-based solar cells and sensors.
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