Reagent for measurement of magnesium ion
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United States of America Patent
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Nov 4, 1997
Grant Date -
N/A
app pub date -
Sep 23, 1993
filing date -
Mar 14, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a reagent for measurement of magnesium ions utilizing a complex of magnesium ion with adenosine 5'-triphosphate as a substrate of glucokinase derived from bacteria of the genus Zymomonas. By using this reagent, enough measuring range to measure a magnesium ion in various samples such as biological fluids, foodstuffs, etc. can be accomplished and, at the same time, the measurement can be made with high precision and reliability even in a sample containing a magnesium ion in low concentration. Further, the reagent of the present invention is superior in operation property by reducing a dilution operation, and has sufficient performance for a routine method for determination of magnesium ions.
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