Centrifuge syringe apparatus and method

Dispositif sous forme de seringue et procede de separation par centrifugation

Abstract

Disclosed is a centrifugable cell separation apparatus that is useful in density gradient separation of cells and other biological materials. In a specific embodiment, the apparatus takes the form of a syringe (10) that allows for the withdrawal of a sample and which contains a movable plunger (18) containing a constricted region (28) that restricts mixing between pellet and supernatant fractions following centrifugation. The syringe (10) may also contain a density gradient separation solution (20). Also disclosed are a kit and a method for extracting a fluid specimen that utilise the apparatus.

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