C - Chemistry – Metallurgy – 12 – Q
Patent
C - Chemistry, Metallurgy
12
Q
150/15.1
C12Q 1/28 (2006.01) G01N 33/72 (2006.01)
Patent
CA 1168967
ABSTRACT OF THE DISCLOSURE Diagnostic test device for fecal occult blood utilizing a test matrix such as paper impregnated with guaiac. False-positive results in the presence of per- oxidases are prevented by adding to the matrix a compound that cleaves protein hydrogen bonds such as guanidine hydrochloride and a chelating agent that binds calcium and/or magnesium such as EDTA.
386468
Memorial Hospital For Cancer And Allied Diseases
Swabey Ogilvy Renault
LandOfFree
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