期刊
BIOSENSORS & BIOELECTRONICS
卷 90, 期 -, 页码 475-480出版社
ELSEVIER ADVANCED TECHNOLOGY
DOI: 10.1016/j.bios.2016.09.062
关键词
Paper-based biofuel cell; Enzymatic; Microfluidic
类别
资金
- European H2020 Framework Programme Grant [648518 - SUPERCELL - ERC 2014 CoG]
- Marie Curie International Outgoing Fellowship (APPOCS) within 7th European Community
- Spanish Ministry of Economy through DADDi2 project [TEC2013-48506-C3]
- Bioenergy FP7-PEOPLE-ITN Programme [607793]
- ICREA Funding Source: Custom
This work addresses the development of a compact paper-based enzymatic microfluidic glucose/O-2 fuel cell that can operate using a very limited sample volume (approximate to 35 mu l) and explores the energy generated by glucose at concentrations typically found in blood samples at physiological conditions (pH 7.4). Carbon paper electrodes combined with a paper sample absorption substrate all contained within a plastic microfluidic casing are used to construct the paper-based fuel cell. The anode catalysts consist of glucose dehydrogenase and [Os(4,4'-dimethoxy-2,2'-bipyridine)(2)(poly-vinylimidazole)(10)Cl](+) as mediator, while the cathode catalysts were bilirubin oxidase and [Os(2,2'-bipyridine)(2)(poly-vinylimidazole)(10)Cl](+) as mediator. The fuel cell delivered a linear power output response to glucose over the range of 2.5-30 mM, with power densities ranging from 20 to 90 mu W cm(-2). The quantification of the available electrical power as well as the energy density extracted from small synthetic samples allows planning potential uses of this energy to power different sensors and analysis devices in a wide variety of in-vitro applications.
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