Microfabricated two-pin liquid sample dispensing system

Details Microfabricated two-pin liquid sample dispensing system Microfabricated two-pin liquid sample dispensing system

B - Operations, Transporting

01

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B01L 3/02 (2006.01) B01D 57/02 (2006.01) B01L 3/00 (2006.01) B65D 47/18 (2006.01) C12Q 1/00 (2006.01) G01N 1/04 (2006.01) G01N 1/10 (2006.01) G01N 27/447 (2006.01) G01N 35/10 (2006.01)

Patent

CA 2451201

A two-pin liquid sample dispensing system (10) is provided. The two-pin dispensing system comprises a pair of separately movable pins (11, 12) for holding a droplet of liquid therebetween. Each pin includes a tip (11a, 12a) spaced predetermined distance from the other pin to define a sample acquisition region (14). The pins acquire and hold a droplet of the liquid sample in the sample acquisition region formed in the space between the tips and apply the droplet to a selected sample handing system. The distance between the tips is variable to accommodate different liquid samples having varying physical properties and to vary the volume of the acquired droplet.

L'invention concerne un système de distribution d'échantillons liquides à deux broches (10) qui comprend une paire de broches mobiles séparément (11, 12) destinées à recevoir une gouttelette de liquides entre elles. Chaque broche est pourvue d'une pointe (11a, 12a) espacée d'une distance prédéterminée par rapport à l'autre broche afin de définir une zone de prélèvement d'échantillons (14). Ces broches prélèvent et retiennent une gouttelette de l'échantillon liquide dans la zone de prélèvement d'échantillons formée dans l'espace situé entre les pointes et appliquent la gouttelette sur un système choisi de manipulation d'échantillons. La distance qui sépare les pointes peut varier afin de recevoir différents échantillons liquides présentant des propriétés physiques variables et afin de modifier le volume de la gouttelette prélevée.

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