DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yoon, H.C. | ko |
dc.contributor.author | Hong, M.Y. | ko |
dc.contributor.author | Kim, Hak-Sung | ko |
dc.date.accessioned | 2009-12-07T01:25:26Z | - |
dc.date.available | 2009-12-07T01:25:26Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2000 | - |
dc.identifier.citation | ANALYTICAL CHEMISTRY, v.72, no.18, pp.4420 - 4427 | - |
dc.identifier.issn | 0003-2700 | - |
dc.identifier.uri | http://hdl.handle.net/10203/14248 | - |
dc.description.abstract | Poly(amidoamine) dendrimers having various degrees of modification with the redox-active ferrocenyls were prepared by controlling the molar ratio of ferrocenecarboxaldehyde to amine groups of dendrimers, By alternate layer-by layer depositions of partial ferrocenyl-tethered dendrimers (Fc-D) with periodate-oxidized glucose oxidase (GOx) on a Au surface, an electrochemically and enzymatically active multilayered assembly of enzyme was constructed. The resulting GOx/Fc-D multilayer-associated electrodes were electrochemically analyzed, and the surface concentration of ferrocenyl groups, active enzyme coverage, and sensitivity were estimated. A 32% dendrimer modification level of surface amines to ferrocenyls was found to be an optimum in terms of enzyme-dendrimer network formation, electrochemical interconnectivity of ferrocenyls, and electrode sensitivity. With the prepared Fc(32%)-tethered dendrimers, mono- and multilayered GOx/Fc-D electrodes were constructed, and their electrochemical and catalytic properties were characterized. The bioelectrocatalytic signals from the multilayered GOx/Fc-D electrodes were shown to be directly correlated to the number of deposited bilayers. From this result, it seems that the electrode sensitivity is directly controllable, and the multilayer-forming strategy with partial ferrocenyl-tethered dendrimers is useful for the construction of reagentless biosensors. | - |
dc.language | English | - |
dc.language.iso | en_US | en |
dc.publisher | AMER CHEMICAL SOC | - |
dc.subject | STARBURST DENDRIMERS | - |
dc.subject | GOLD | - |
dc.subject | FILMS | - |
dc.subject | ASSEMBLIES | - |
dc.subject | ADSORPTION | - |
dc.subject | MONOLAYERS | - |
dc.subject | BEHAVIOR | - |
dc.subject | PRODUCT | - |
dc.subject | SIZE | - |
dc.title | Functionalization of a poly(amidoamine) dendrimer with ferrocenyls and its application to the construction of a reagentless enzyme electrode | - |
dc.type | Article | - |
dc.identifier.wosid | 000089308300022 | - |
dc.identifier.scopusid | 2-s2.0-0034665833 | - |
dc.type.rims | ART | - |
dc.citation.volume | 72 | - |
dc.citation.issue | 18 | - |
dc.citation.beginningpage | 4420 | - |
dc.citation.endingpage | 4427 | - |
dc.citation.publicationname | ANALYTICAL CHEMISTRY | - |
dc.identifier.doi | 10.1021/ac0003044 | - |
dc.embargo.liftdate | 9999-12-31 | - |
dc.embargo.terms | 9999-12-31 | - |
dc.contributor.localauthor | Kim, Hak-Sung | - |
dc.contributor.nonIdAuthor | Yoon, H.C. | - |
dc.contributor.nonIdAuthor | Hong, M.Y. | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | STARBURST DENDRIMERS | - |
dc.subject.keywordPlus | GOLD | - |
dc.subject.keywordPlus | FILMS | - |
dc.subject.keywordPlus | ASSEMBLIES | - |
dc.subject.keywordPlus | ADSORPTION | - |
dc.subject.keywordPlus | MONOLAYERS | - |
dc.subject.keywordPlus | BEHAVIOR | - |
dc.subject.keywordPlus | PRODUCT | - |
dc.subject.keywordPlus | SIZE | - |
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