Sensor storage solution, sensor calibration solution and sensor
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United States of America Patent
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Issued Date -
Sep 23, 2004
app pub date -
Jan 29, 2004
filing date -
Jan 31, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An objective of this invention is to prevent deterioration with time of a storage or calibration solution due to, for example, growth of microorganisms or bacteria. Another objective of this invention is to prevent deterioration of, for example, an enzyme or organic layer in an electrode coating of a sensor caused by a storage or calibration solution. Another objective of this invention is to prevent detachment of an organic layer in an electrode coating from an adjacent layer or electrode, caused by a storage or calibration solution. For achieving these objectives, a storage solution 23 and a calibration solution in a sensor comprising an enzyme electrode 18 comprise an electrolyte, a pH buffering agent and a compound containing a heterocycle having nitrogen and sulfur heteroatoms.
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