Electrochemical sensors
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United States of America Patent
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Feb 11, 1997
Issued Date -
N/A
app pub date -
Jul 27, 1995
filing date -
Jun 27, 1994
priority date (Note) -
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Abstract
A solid shale, multi-use electrochemical sensor having an electrically nonconductive substrate, a working electrode, and a semi-permeable membrane covering the working electrode. The working electrode includes an electrically conductive material adhered to a portion of the substrate. A first portion of the conductive material is covered with an electrically insulating dielectric coating, and a second portion of the conductive material is covered with an active layer. The active layer includes a catalytically active quantity of an enzyme carried by platinized carbon powder particles, which are distributed throughout the active layer. A sensor package for incorporating a sensor is provided.
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