High sensitivity assay method

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United States of America Patent

PATENT NO 4556634
SERIAL NO

06506844

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Abstract

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A high sensitivity assay method of the coenzyme cyclic assay type, eliminates the need for a separate indication reaction, by using the cycling reaction itself as the indication reaction, according to the following steps: ##STR1## the thus-formed formazan is then colorimetrically measured, to give a highly sensitive determination of the quantity of the substance to be assayed, e.g. NAD.sup.+, NADP.sup.+, malic acid or .gamma.-aminobutyric acid in human serum.

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Patent Owner(s)

Patent OwnerAddress
TOYO JOZO KABUSHIKI KAISHATAGATA-GUN SHIZUOKA-KEN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Misaki, Hideo Shizuoka, JP 35 226
Taniuchi, Masahiko Shizuoka, JP 3 27

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