Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
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A Disposable, Screen-Printed Electrode for the Amperometric Determination of Azide Based on the Immobilization with Catalase or Tyrosinase
Yue CUIJohn P. BARFORDReinhard RENNEBERG
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2006 Volume 22 Issue 10 Pages 1279-1281

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Abstract

A disposable, screen-printed electrode based on the immobilization of catalase or tyrosinase was developed to construct biosensors for the amperometric determination of azide. The determination principles for azide by these two methods are based on inhibiting the enzymatic consumption of an electrode-detectable substance (hydrogen peroxide or catechol) on an enzyme-immobilized electrode. Both of these methods show a sensitive detection range and a short measuring time.

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© 2006 by The Japan Society for Analytical Chemistry
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