Optical bio-discs and microfluidic devices for analysis of...

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G01N 33/543 (2006.01) B01L 3/00 (2006.01) C12Q 1/68 (2006.01) G01N 15/14 (2006.01) G01N 35/00 (2006.01)

Patent

CA 2468041

The present invention is directed to optical bio-discs, methods, and optical disc drives for clinical diagnostics (Figure 1). The present invention is further directed to methods for determining the quantity of a specific type of blood cell in a biological sample including on-disc sample preparation and processing, providing a pre-processed sample onto a capture zone, removing portions of the sample that are not bound in the capture zone, and counting boud cells. Also disclosed are fluidic circuits for processing blood samples for use in a cluster designation marker assay in the optical bio-disc.

La présente invention concerne des biodisques optiques, des méthodes et des lecteurs de disques optiques destinés à des applications de diagnostic clinique. Cette invention concerne également des méthodes de détermination de la quantité d'un type spécifique de cellule sanguine dans un prélèvement biologique qui consistent à préparer le prélèvement sur un disque et à le traiter, à placer un prélèvement pré-traité sur une zone de retenue, à éliminer les parties du prélèvement qui ne sont pas liées dans la zone de retenue et à compter les cellules liées. On décrit également des circuits fluidiques utilisés pour traiter des prélèvements de sang destinés à être utilisés dans un dosage à marqueurs d'identification en bloc prévu dans le biodisque optique.

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