Chemistry: analytical and immunological testing – Metal or metal containing – Present in biological fluids
Patent
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.
Chapoteau Eddy
Craine Jonathan
Czech Bronislaw P.
Basham Daryl A.
Bayer Corporation
Klawitter Andrew L.
Walsh Stephen
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