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Type: Artigo de periódico
Title: Immobilized Enzyme Flow-injection Conductimetric System For The Determination Of Acetylcholine
Author: Godinho O.E.S.
Rodrigues T.C.
Tubino M.
De Oliveira Neto G.
Aleixo L.M.
Abstract: A flow injection system for the determination of acetylcholine, based on the use of immobilized cholinesterase in glass beads, a diffusion membrane and a conductimetric cell is described. In this approach acetic acid formed by the action of acetylcholinesterase on acetyl choline permeates through a PTFE membrane and is received by a stream of deionized water, which carries the solution to the conductivity cell. Linearity for acetylcholine concentration and conductimetric response with a useful range of 10-5-10-3 mol l-1 was observed.
Rights: aberto
Identifier DOI: 10.1039/AI9953200333
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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