Abstract：
:Biofuel cells that generate electricity from renewable fuels, such as carbohydrates, must be reusable through repeated refuelling, should these devices be used in consumer electronics. We demonstrate the stable generation of electricity from a glucose-powered mediated biofuel cell through multiple refuelling cycles. This refuelability is achieved by immobilizing nicotinamide adenine dinucleotide (NAD), an electron-transfer mediator, and redox enzymes in high concentrations on porous carbon particles constituting an anode while maintaining their electrochemical and enzymatic activities after the immobilization. This bioanode can be refuelled continuously for more than 60 cycles at 1.5 mA cm(-2) without significant potential drop. Cells assembled with these bioanodes and bilirubin-oxidase-based biocathodes can be repeatedly used to power a portable music player at 1 mW cm(-3) through 10 refuelling cycles. This study suggests that the refuelability within consumer electronics should facilitate the development of long and repeated use of the mediated biofuel cells as well as of NAD-based biosensors, bioreactors, and clinical applications.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Fujita S,Yamanoi S,Murata K,Mita H,Samukawa T,Nakagawa T,Sakai H,Tokita Ydoi
10.1038/srep04937subject
Has Abstractpub_date
2014-05-13 00:00:00pages
4937issn
2045-2322pii
srep04937journal_volume
4pub_type
杂志文章abstract：:A novel one-pot synthesis of tri-substituted purines and the discovery of purine analogues with trypanocidal activity are reported. The reaction is initiated by a metal-free oxidative coupling of primary alkoxides and diaminopyrimidines with Schiff base formation and subsequent annulation in the presence of large N,N-...
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pub_type： 杂志文章,meta分析
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更新日期：2016-06-15 00:00:00
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更新日期：2016-07-05 00:00:00
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journal_title：Scientific reports
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pub_type： 杂志文章,随机对照试验
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journal_title：Scientific reports
pub_type： 杂志文章
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更新日期：2017-04-04 00:00:00
