Preparation of platelet analogs

G - Physics – 01 – N

Patent

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G01N 33/48 (2006.01)

Patent

CA 2602232

Erythrocytes from a vertebrate animal other than a human that have been size reduced and treated with a fixing agent by conventional methods to resemble human platelets are further treated to achieve a size distribution that is detected in a consistent manner by different methodologies of blood cell counting. The further treatment includes heating to a denaturing temperature followed by a second treatment with a fixing agent. The resulting cells are useful as controls for calibrating and checking the accuracy of automated blood cell counting equipment.

Selon l'invention, des érythrocytes issus d'un animal vertébré autre que l'être humain, dont la taille a été réduite et qui ont été traités avec un agent de fixation par des procédés conventionnels pour s'apparenter à des plaquettes humaines, subissent un traitement ultérieur pour réaliser une répartition de tailles qui est détectée d'une manière adaptée par différentes méthodes de comptage de cellules sanguines. Le traitement ultérieur comprend le chauffage à une température de dénaturation suivi d'un second traitement avec un agent de fixation. Les cellules obtenues sont utiles comme témoins pour calibrer et vérifier la précision d'un équipement de comptage automatique de cellules sanguines.

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