Specimen slide for occult blood testing

Details Specimen slide for occult blood testing Specimen slide for occult blood testing

1982-08-19

1984-12-04

Turk, Arnold

Chemistry: analytical and immunological testing

Hemoglobin, myoglobin, or occult blood

422 56, 422 58, 422 61, G01N 2178, G01N 3372

Patent

active

044865368

ABSTRACT:
A method and novel absorbent substrate for determining the presence of occult blood in gastric fluid. The substrate is acid treated and contains guaiac. The method includes the addition of the gastric fluid to the acid treated guaiac substrate which is developed with a buffered developing solution. Preferably the substrate is an acid treated sheet of absorbent paper and the developing solution is an aqueous buffered solution of hydrogen peroxide.

REFERENCES:
patent: 2990338 (1961-06-01), Gibson
patent: 4063894 (1977-12-01), Ogawa et al.
patent: 4077772 (1978-03-01), Geissler et al.
patent: 4132527 (1979-01-01), Maekawa et al.
patent: 4260393 (1981-04-01), Gibson
patent: 4277250 (1981-07-01), Melnick et al.
patent: 4308028 (1981-12-01), Elkins
patent: 4333734 (1982-06-01), Fleisher
patent: 4365970 (1982-12-01), Lawrence et al.
Layne et al., Chemical Abstracts, vol. 95, 1981, No. 95:76337x.
The Merck Index of Chemicals and Drugs, 7th Edition, Merck & Co., N.J., 1960, p. 266.
Layne et al., Annals of Internal Medicine, 1981, 94:774-776.
Sudlow et al., The New England Journal of Medicine, Jun. 25, 1981, p. 1608, "Pitfalls of Hemocult Testing of Gastric Aspirates".

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