Reagents and methods for releasing and measuring lead ions from

Details Reagents and methods for releasing and measuring lead ions from Reagents and methods for releasing and measuring lead ions from

1996-11-20

1999-04-06

Walsh, Stephen

Chemistry: analytical and immunological testing

Metal or metal containing

Present in biological fluids

436 73, 436177, 436178, G01N 3320, G01N 118

Patent

active

058917365

ABSTRACT:
The present invention provides a reagent for extracting lead ions from a variety of biological matrices such as human whole blood that has been anticoagulated with either heparin or EDTA, and lyophilized human blood and bovine EDTA whole blood. The released lead is measured in situ with a colorimetric porphyrin reagent without further manipulation of the supernatant. The lead ion releasing reagent can be used in conjunction with a variety of assay formats for the determination of lead in various biological fluids.

REFERENCES:
patent: 5407831 (1995-04-01), Jing
patent: 5631139 (1997-05-01), Wong et al.

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