Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving oxidoreductase
Patent
1991-05-09
1993-06-08
Wityshyn, Michael G.
Chemistry: molecular biology and microbiology
Measuring or testing process involving enzymes or...
Involving oxidoreductase
435 25, 435184, 435805, 436 66, 436904, 422 56, 422 57, 422 61, 128638, 128749, C12Q 128, G01N 3372
Patent
active
052178749
ABSTRACT:
A test sheet for the determination of the presence of a substance having peroxidase-like activity in a throw-in-the-bowl fecal occult blood test, includes a specimen test area and a positive control area. The test area has deposited thereon a test ink having at least one oxygen donor reagent and a chromogen reagent capable of being oxidized by the oxygen donor in the presence of blood or a substance having peroxidase-like activity, to provide a visually observable change of color. The test ink also includes a water soluble polymer for immobilizing the chromogen and oxygen donor. The positive control area has deposited thereon the test ink and a substance having the peroxidase-like activity.
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Burrows Janine P.
Guadagno Philip A.
Helena Laboratories Corporation
Mohamed Abdel A.
Wityshyn Michael G.
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