C - Chemistry – Metallurgy – 12 – Q
Patent
C - Chemistry, Metallurgy
12
Q
150/15.2
C12Q 1/42 (2006.01)
Patent
CA 1218290
-i- ANALYTICAL ELEMENT AND METHOD FOR ALKALINE PHOSPHATASE ASSAY Abstract of the Disclosure Disclosed herein is a dry analytical element and a method of using same for quantitatively detect- ing alkaline phosphatase in an aqueous liquid. The element comprises, in fluid contact, first and second reagent zones which can be self-supporting or carried on a support. The first reagent zone contains a substrate for alkaline phosphatase, e.g. p-nitro- phenyl phosphate, and the second reagent zone con- tains a buffer which is an alkali metal or ammonium salt and has a pKa in the range of 9-11.5, e.g. an alkali metal salt of carbonic acid.
436401
Dappen Glen M.
Larossa Denise D.
Norton Gary E.
Thunberg Allen L.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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