| Budget Amount *help |
¥44,850,000 (Direct Cost: ¥34,500,000、Indirect Cost: ¥10,350,000)
Fiscal Year 2018: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Fiscal Year 2017: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Fiscal Year 2016: ¥11,050,000 (Direct Cost: ¥8,500,000、Indirect Cost: ¥2,550,000)
Fiscal Year 2015: ¥11,700,000 (Direct Cost: ¥9,000,000、Indirect Cost: ¥2,700,000)
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| Outline of Final Research Achievements |
Methanogenic microbiomes were supplemented with conductive nanoparticles for examining their effects on electric syntrophy and methanogenesis. Stimulatory effects of iron-oxide (magnetite) nanoparticles were observed both under static and agitated conditions. Microbiome structures were analyzed under these two conditions, and it was found that Geobacter and Methanosarcina were increased in the presence of magnetite nanoparticles under static conditions, suggesting that electric syntrophy accelerated methanogenesis. On the other hand, only Methanosarcina over grew in the presence of magnetite nanoparticles under agitated conditions. Metagenomic analyses demonstrated acetoclastic methanogenesis was activated by magnetite nanoparticles.
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