Three dimensional film electrode prepared from oppositely charged carbon nanoparticles as efficient enzyme host

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ID: 59124
2010
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Abstract
Three dimensional carbon film electrodes were prepared from oppositely charged carbon nanoparticles (ca. 9 to 18 nm diameter) by a layer-by-layer approach. This was done by alternative immersion of indium tin oxide plates into suspension of positively and negatively charged particles. A stable film is formed already after single immersion and withdrawal step as confirmed by scanning electron microscopy. Up to ten immersion and withdrawal steps can be used to systematically increase the amount of nanoparticulate carbon material. The capacitive current density and current density of hydrogen peroxide reduction are proportional to the number of immersion and withdrawal steps. The same can be seen for adsorbed redox active 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonate). After adsorption of bilirubin oxidase into the film efficient bioelectrocatalytic dioxygen reduction is observed. Keywords: Carbon film electrode, Carbon nanoparticles, Layer-by-layer, Bilirubin oxidase, Dioxygen reduction
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szot2010threeelectrochemistry Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Szot, Katarzyna;Watkins, John D.;Bull, Steven D.;Marken, Frank;Opallo, Marcin;
Journal electrochemistry communications
Year 2010
DOI
DOI not found
URL
http://www.sciencedirect.com/science/article/pii/S1388248110001207
Keywords
chemistry Education Technology (General) Engineering (General). Civil engineering (General) Industrial electrochemistry Electrical engineering. Electronics. Nuclear engineering Science physics general works education (general) mathematics

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