Diagnostic compositions, diagnosing instruments, and methods of

Details Diagnostic compositions, diagnosing instruments, and methods of Diagnostic compositions, diagnosing instruments, and methods of

1976-07-26

1979-01-02

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

252408, 260576, 422 56, C07C 8728, C07C 8764, G01N 3122, G01N 3316

Patent

active

041325273

ABSTRACT:
A diagnostic composition containing as a chromogen a diamino-biphenyl derivative in which at least one of the hydrogen atoms in the amino groups thereof is replaced by a lower alkyl group by reaction with an alkylating agent. The diagnosing instrument is prepared by impregnating a bibulous, porous support in a solution comprising the diagnostic composition and optionally a saccharide oxidase, peroxidase and a guaiac, and, if necessary, a buffer, a surfactant, a background adjusting dye and/or an agent for increasing the viscosity of the composition. This diagnosing instrument can be handled in a simple and convenient way and is used to identify semi-quantitatively a saccharide in body fluids or excrements of humans or animals with reliability.

REFERENCES:
patent: 2290436 (1942-07-01), Kamlet
patent: 2981606 (1961-04-01), Keston
patent: 3012976 (1961-12-01), Adams, Jr. et al.
patent: 3123443 (1964-03-01), Smeby
patent: 3266868 (1966-08-01), Harvill
Rassow et al., Chem. Abstr. 6, 789 (1912).

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