Chitosan-cross-linked osmium polymer composites as an efficient platform for electrochemical biosensors.
Chemphyschem
; 14(10): 2232-6, 2013 Jul 22.
Article
em En
| MEDLINE
| ID: mdl-23674401
ABSTRACT
A new family of chitosan-cross-linked osmium polymer composites was prepared and its electrochemical properties were examined. The composites were prepared by quaternization of the poly(4-vinylpyridine) osmium bipyridyl polymer (PVP-Os) which was then cross-linked with chitosan, yielding PVP-Os/chitosan. Films made of the composites showed improved mass and electron transport owing to the porous and hydrophilic structure which is derived from the cross-links between the Os polymer and chitosan. The rate for glucose oxidation was enhanced four times when glucose oxidase (GOx) was immobilized on PVP-Os/chitosan compared immobilization on PVP-Os.
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Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Compostos Organometálicos
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Osmio
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Polímeros
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Técnicas Biossensoriais
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Quitosana
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Técnicas Eletroquímicas
Idioma:
En
Revista:
Chemphyschem
Ano de publicação:
2013
Tipo de documento:
Article