Filter paper treatment for improved diagnostic assays
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United States of America Patent
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Oct 30, 2001
Grant Date -
N/A
app pub date -
Jan 27, 1999
filing date -
Jan 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Filter paper absorbed with a solution of anticoagulant, e.g., ethylene diamine tetra-acetic acid (EDTA), then dried, useful for collection of a blood sample for analysis of hemoglobin or a hemoglobin fraction in the sample showed higher precision in standard assays than untreated filter paper. Methods of using the anticoagulant-treated filter paper are also described.
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