Importance

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Abstract

The present invention is concerned with a chemical sensor, more specifically with a chemical sensor which is capable of detecting the presence of, measuring a quantity of or monitoring the level of N-acetyl primary aromatic amines, such as paracetamol, in whole blood. The specification relates to a method of assay of the type in which an electrode poised at a suitable potential is contacted with a system comprising; (a) a sample suspected to contain paracetamol or a derivative thereof, and (b) an enzyme capable of catalyzing the hydrolysis of an N-acylated primary aromatic amine or a derivative thereof, and, wherein the current flowing in the electrode is a measure of the quantity of hydrolysis products formed and thereby of the concentration of N-acylated primary aromatic amine or derivatives thereof in the sample.

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First Claim