Analytical element for whole blood analysis

Details Analytical element for whole blood analysis Analytical element for whole blood analysis

1993-03-11

1995-10-24

Alexander, Lyle A.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 58, 436170, G01N 3349

Patent

active

054607779

ABSTRACT:
An analytical element for whole blood which comprises a blood cell-separating layer having a volume smaller than the upper limit of the diffused volume of a whole blood sample having a hematocrit value of 70% provided on a porous layer, and a method of measuring an analyte which comprises spotting a whole blood sample onto the above analytical element removing the blood cell-separating layer after blood plasma portion of the sample is diffused into the porous layer, supplying a fixed amount of measuring reagent solution having a diffused area smaller than the diffused area of the blood plasma to measure the analyte. According to the invention, the analytical error caused by scattering of hematocrit values is removed, and analysis can be conducted in a high accuracy.

REFERENCES:
patent: 5118472 (1992-06-01), Tanaka et al.
patent: 5135716 (1992-08-01), Thakore
patent: 5256372 (1993-10-01), Brooks et al.

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