{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T11:06:26Z","timestamp":1740135986770,"version":"3.37.3"},"reference-count":29,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2023,7,20]],"date-time":"2023-07-20T00:00:00Z","timestamp":1689811200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"Tokyo University of Pharmacy and life Sciences"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,9,21]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n               <jats:p>Studies have shown that the supplementation of anode-surrounding soil with zero-valent iron (ZVI) boosts power outputs from rice paddy-field microbial fuel cells (RP-MFCs). In order to understand mechanisms by which ZVI boosts outputs from RP-MFCs, the present study operated RP-MFCs with and without ZVI, and compositions of anode-associated bacteria and electrochemical properties of graphite anodes were analyzed after 3-month operation. Metabarcoding using 16S rRNA gene fragments showed that bacterial compositions did not largely differ among these RP-MFCs. Cyclic voltammetry showed improved electrochemical properties of anodes recovered from ZVI-supplemented RP-MFCs, and this was attributed to the adhesion of iron-oxide films onto graphite surfaces. Bioelectrochemical devices equipped with graphite anodes recovered from ZVI-supplemented RP-MFCs generated higher currents than those with fresh graphite anodes. These results suggest that ZVI is oxidized to iron oxides in paddy-field soil and adheres onto graphite anodes, resulting in the boost of power outputs from RP-MFCs.<\/jats:p>","DOI":"10.1093\/bbb\/zbad097","type":"journal-article","created":{"date-parts":[[2023,7,21]],"date-time":"2023-07-21T07:39:45Z","timestamp":1689925185000},"page":"1229-1235","source":"Crossref","is-referenced-by-count":3,"title":["Improved electrochemical properties of graphite electrodes incubated with iron powders in rice-paddy fields boost power outputs from microbial fuel cells"],"prefix":"10.1093","volume":"87","author":[{"given":"Tomoka","family":"Harada","sequence":"first","affiliation":[{"name":"School of Life Sciences, Tokyo University of Pharmacy and Life Sciences , Hachioji, Tokyo , Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuki","family":"Hasegawa","sequence":"additional","affiliation":[{"name":"School of Life Sciences, Tokyo University of Pharmacy and Life Sciences , 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