Improved analyzer throughput featuring through-the-tip analysis

Details Improved analyzer throughput featuring through-the-tip analysis Improved analyzer throughput featuring through-the-tip analysis

G - Physics

01

N

G01N 35/10 (2006.01) G01N 1/18 (2006.01) G01N 21/11 (2006.01) G01N 21/35 (2006.01) G01N 33/50 (2006.01)

Patent

CA 2231305

Apparatus and method for detecting patient sample quality, and/or analytes, in the tip used to aspirate the patient sample liquid and then dispense it onto a slide test element. Spectrophotometric analysis is done on the liquid while still in the tip, by scanning the tip for transmittance in a light-tight enclosure, using NIR and adjacent visible radiation, and detecting the absorbence spectra of the liquid. Thereafter, or prior thereto, the liquid is dispensed onto a dried slide test element for assaying analytes that are not assayed spectrophotometrically, thus enhancing throughput. Much smaller liquid volumes, and no through-the-label detection, are required, compared to doing the scanning of the liquid in a primary patient collection container.

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