Biofuel cell as a power source for electronic contact lenses

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Biofuel cell as a power source for electronic contact lenses

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dc.contributor.author Falk, Magnus
dc.contributor.author Andoralov, Viktor
dc.contributor.author Blum, Zoltan
dc.contributor.author Sotres, Javier
dc.contributor.author Suyatin, Dmitry
dc.contributor.author Ruzgas, ´Tautgirdas
dc.contributor.author Arnebrant, Thomas
dc.contributor.author Shleev, Sergey
dc.date.accessioned 2012-10-31T10:13:51Z
dc.date.available 2012-10-31T10:13:51Z
dc.date.issued 2012 en_US
dc.identifier.citation 38-45 en_US
dc.identifier.issn 0956-5663 en_US
dc.identifier.uri http://hdl.handle.net/2043/14287
dc.description.abstract Here we present unequivocal exptl. proof that microscale cofactor- and membrane-less, direct electron transfer based enzymic fuel cells do produce significant amts. of elec. energy in human lachrymal liq. (tears). 100 μm diam. gold wires, covered with 17 nm gold nanoparticles, were used to fashion three-dimensional nanostructured microelectrodes, which were biomodified with Corynascus thermophilus cellobiose dehydrogenase and Myrothecium verrucaria bilirubin oxidase as anodic and cathodic bioelements, resp. The following characteristics of miniature glucose/oxygen biodevices operating in human tears were registered: 0.57 V open-circuit voltage, about 1 μW cm-2 max. power d. at a cell voltage of 0.5 V, and more than 20 h operational half-life. Theor. calcns. regarding the max. recoverable elec. energy can be extd. from the biofuel and the biooxidant, glucose and mol. oxygen, each readily available in human lachrymal liq., fully support our belief that biofuel cells can be used as elec. power sources for so called smart contact lenses. en_US
dc.language.iso eng en_US
dc.publisher Elsevier en_US
dc.subject Enzymatic fuel cell en_US
dc.subject Direct electron transfer en_US
dc.subject Human lachrymal liquid en_US
dc.subject Electronic contact lens en_US
dc.subject.classification Sciences en_US
dc.title Biofuel cell as a power source for electronic contact lenses en_US
dc.type Article, peer reviewed scientific en_US
dc.contributor.department Malmö University. Faculty of Health and Society en
dc.identifier.doi http://dx.doi.org/10.1016/j.bios.2012.04.030 en_US
dc.subject.srsc Research Subject Categories::INTERDISCIPLINARY RESEARCH AREAS en_US
dc.relation.ispartofpublication Biosensors & Bioelectronics;1
dc.relation.ispartofpublicationvolume 37 en_US
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