Biosensor and method for hematocrit determination

Details Biosensor and method for hematocrit determination Biosensor and method for hematocrit determination

1993-06-03

1995-01-31

Housel, James C.

Chemistry: analytical and immunological testing

Sedimentation rate or hematocrit

204299R, 204403, 324439, 422 8201, 422 8202, 422 8203, 436 66, 436150, 436151, G01N 3386

Patent

active

053858468

ABSTRACT:
A biosensor and method for determining the hematocrit level of a whole blood sample using electrochemistry. The biosensor includes working and counter electrodes. A porous membrane is impregnated with an electroactive compound and is spatially displaced from the surface of the electrodes. When a whole blood sample is applied to the porous substrate, a mixture of the electroactive compound and the blood is formed. The mixture settles on the electrodes and a potential difference is applied sufficient to oxidize or reduce the electroactive compound and generate a current. This current can be measured and correlated to hematocrit level.

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