Test for fecal occult blood
AssigneeSmithKline Diagnostics, Inc.
InventorsJosefina T. Baker, Peter U. Ly, Eli Z. Olivet
Life of this patent
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Abstract
Improved fecal occult blood test having a matrix such as paper printed or impregnated with guaiac. The improvement comprises increasing the sensitivity while maintaining or improving the specificity of the test by employing an alcoholic peroxide developing solution which contains an enhancing agent. The enhancers comprise phenolic type compounds such as esters of parahydroxybenzoic acids.
Claims6
In a fecal occult blood test using a solid test matrix containing guaiac having a fecal smear applied to said matrix and an alcoholic hydrogen peroxide developing solution placed on said smear, the improvement comprising said developing solution additionally containing a phenolic enhancing compound before said developing solution is placed on said matrix having a fecal smear.
Dependencies are inferred from the claim text.