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Type: Artigo de periódico
Title: Application of amperometric sol-gel biosensor to flow injection determination of glucose
Author: Couto, CMCM
Araujo, AN
Montenegro, MCBSM
Rohwedder, J
Raimundo, I
Pasquini, C
Abstract: A glucose biosensor with enzyme immobilised by sol-gel technology was constructed and evaluated. The glucose biosensor reported is based on encapsulated GOX within a sol-gel glass, prepared with 3-aminopropyltriethoxy silane, 2-(3,4-epoxycyclohexyl)-ethyltrimetoxy silane and HCl. A flow system incorporating the amperometric biosensor constructed was developed for the determination of glucose in the 1 x 10(-4)-5 x 10(-3) mol 1(-1) range with a precision of 1.5%. The results obtained for the analysis of electrolytic solution for iv administration and human serum samples showed good agreement between the proposed method and the reference procedure, with relative error < 5%. (C) 2002 Elsevier Science B.V. All rights reserved.
Subject: flow injection analysis
glucose oxidase
glucose biosensor
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/S0039-9140(01)00587-2
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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