Recoverable enzyme sensor with replaceable membrane system

Details Recoverable enzyme sensor with replaceable membrane system Recoverable enzyme sensor with replaceable membrane system

G - Physics

01

N

324/23

G01N 27/404 (2006.01) C12Q 1/00 (2006.01) G01N 27/28 (2006.01)

Patent

CA 2002170

ABSTRACT A recoverable enzyme sensor with replaceable membrane system. The object is to provide for such a design arrangement of the sensor enabling enzyme replacement in the enzyme membrane of the membrane system for assay of glucose, lactate and other substances. This goal is achieved by an enzyme sensor the principle of which bears on the fact that it is created by the body of corund ceramics in the shape of a cylinder being terminated with a truncated taper in which a reservoir is created in the shape of cylinder with the base of circular ring inside of which both current electrode made of porous metal and electrolyte e.g. potassium chloride are arranged at the same time, in the cross-section parallel with the basis line the first ceramics layer of the reservoir 10 is formed in circular ring in which one measuring electrode at least is arranged and the second ceramics layer of the reservoir has the shape of cylinder in which the reference electrode is arranged. Furthermore, the body is covered with the covering membrane and connected with the cover of the sensor to which the replaceable membrane system created by the holder equipped with one opening at least, in which there are arranged at least one enzyme membrane at least one protecting membrane, and at least one control membrane.

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