G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/569 (2006.01) C12Q 1/28 (2006.01) G01N 33/58 (2006.01) G01N 33/74 (2006.01) G01N 33/94 (2006.01)
Patent
CA 2077015
DIAGNOSTIC TEST KIT AND SPECIFIC BINDING ASSAY USING MODULATOR OF SIGNAL RESULTING FROM PEROXIDASE LABEL Abstract of the Disclosure The signal generated in a specific binding assay wherein a peroxidase label is used to detect the resulting specific binding complex can be modulated by contacting the signal forming reagents with a buffered solution of a hydroxamic acid or acyl hydrazine having the structure R-CO-NH-R' or an equivalent salt thereof, wherein R is aryl of 6 to 10 carbon atoms in the aromatic nucleus, alkyl of 1 to 7 carbon atoms, cycloalkyl of 5 to 10 carbon atoms in the ring or aromatic heterocyclyl of 5 to 10 atoms in the ring, at least one of which is an oxygen, nitrogen or sulfur atom, and R' is hydroxy or amino. This solution can be provided in a diagnostic test kit for use in various methods to detect a specific binding ligand. The result is improved signal stability and lowered background.
Boyer Bradley Porter
Contestable Paul Bernard
Kissel Thomas Robert
Snyder Brian Anthony
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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