Chromogen-reactive-indicator preparations containing A 3,3'-di(c

Details Chromogen-reactive-indicator preparations containing A 3,3'-di(c Chromogen-reactive-indicator preparations containing A 3,3'-di(c

1977-02-09

1978-01-03

Marantz, Sidney

Chemistry: physical processes

Physical processes

Crystallization

23230B, 23253TP, 1951035R, 1951035C, 252408, G01N 2106, G01N 3122

Patent

active

040664082

ABSTRACT:
An analytical test, color change reagent preparation comprising peroxidase, an oxygen-oxidoreductase specific to a particular substance to be tested and a chromogen-reactive-indicator formula selected from (a) those having the general formula ##STR1## wherein X is the divalent carbonyloxy or sulfonyloxy group, W is hydrogen or another cation compatible with the aforesaid other ingredients of said reagent preparation, the subscript n is 0 or 1, and (i) when X is the carbonyloxy group, A is a divalent alkylene chain with from 2 to about 7 carbons, and (ii) when X is the sulfonyloxy group, n is 0 when A is the divalent alkylene chain of from 2 to about 7 carbons, and n is 1 when A is straight chain trimethylene or tetramethylene, and (b) the acid addition salts of said disubstituted benzidine derivative, compatible with the aforesaid ingredients of the chromogen-reactive-indicator, when X is the carbonyloxy group.
The reagent preparations may be used in assaying organic substances such as sugars, uric acid, an amino acid and pyridoxaminophosphate.

REFERENCES:
patent: 3290228 (1966-12-01), Gretton
patent: 3298789 (1967-01-01), Mast
patent: 3350278 (1967-10-01), Gretton
patent: 3453180 (1969-07-01), Fraser
patent: 3654179 (1972-04-01), Bauer
patent: 3791988 (1974-02-01), Josef
patent: 3814668 (1974-06-01), Blake
patent: 3964871 (1976-06-01), Hochstrasser

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