Stabilized liquid enzyme and coenzyme compositions

Details Stabilized liquid enzyme and coenzyme compositions Stabilized liquid enzyme and coenzyme compositions

1978-09-11

1981-02-10

Naff, David M.

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving glucose or galactose

435 17, 435 21, 435 26, 435188, 435190, 435194, C12Q 154, C12Q 150, C12N 996

Patent

active

042502543

ABSTRACT:
Stabilized liquid enzyme and/or coenzyme compositions are prepared for use in biological diagnostic determinations. The compositions contain an enzyme and/or coenzyme, an organic solvent such as a polyol and an aqueous vehicle. The compositions may also contain a polymer and a bacteriostat. The compositions exhibit excellent shelf life and the container in which a composition is stored can be repeatedly opened for use without any substantial degradation of the enzyme and/or coenzyme.

REFERENCES:
patent: 3539450 (1970-11-01), Deutsch
patent: 3540984 (1970-11-01), Deutsch
patent: 3557002 (1971-01-01), McCarty
patent: 3627688 (1971-12-01), McCarty et al.
patent: 3721607 (1973-03-01), Gruber et al.
patent: 3761420 (1973-09-01), Bogardus
patent: 3764478 (1973-10-01), Bergmeyer et al.
patent: 3776900 (1973-12-01), Hammer
patent: 3778350 (1973-12-01), Bergmeyer et al.
George, et al., Stabilization of Lactose and Malate Dehydrogenase By Organic Solvents, Biochem., Biophys. Acta., vol. 191, 1969 pp. 466-468.

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