Development of separation and cultivation of microorganism by using super-imposed pulsed-power devices

2016 Fiscal Year Final Research Report

• Project/Area Number: 15K13923
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Power engineering/Power conversion/Electric machinery
• Research Institution: Nagaoka University of Technology
• Principal Investigator: SASAKI TORU 長岡技術科学大学, 工学研究科, 准教授 (90514018)
• Project Period (FY): 2015-04-01 – 2017-03-31
• Keywords: パルスパワー放電 / 大気圧プラズマ / 菌類 / 増殖率

Outline of Final Research Achievements

We have demonstrated effects of atmospheric pressure plasma generated by superimposed voltage waveform pulsed-power supply on treatment of Escherichia coli (E.coli). The growth rate of E.coli is evaluated with a measurement of optical density. The results show that the growth rate of E.coli with the irradiation of atmospheric pressure plasma without superimposed voltage waveform decreases. On the other hand, the growth rate of E.coli with the irradiation of atmospheric pressure plasma with superimposed voltage waveform is similar to the control condition. These results suggest that the irradiation of atmospheric pressure plasma with superimposed voltage waveform affects the growth rate of E.coli.

Free Research Field

パルスパワー工学