Liquid switch, and microchip and mass spectrometry system...

G - Physics – 01 – N

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Details

G01N 1/00 (2006.01) B01D 57/00 (2006.01) B01D 57/02 (2006.01) B01L 3/00 (2006.01) B81C 1/00 (2006.01) G01N 27/447 (2006.01) G01N 27/62 (2006.01) G01N 30/60 (2006.01) G01N 30/72 (2006.01) G01N 33/48 (2006.01) G01N 35/08 (2006.01) G01N 37/00 (2006.01) H01J 49/26 (2006.01) G01N 30/20 (2006.01)

Patent

CA 2508456

A liquid sample (104) introduced in a main flow passage (101) is held in a dam portion (105), and a trigger liquid (106) is filled in a trigger flow passage (102). In this state, the trigger liquid (106) is further introduced at desired timing into the trigger flow passage (102) so that the front end portion of the level of the trigger liquid (106) is advanced and the front end portion is brought to be into contact with the dam portion (105). This causes the liquid sample (104) to move to the right (downstream side) in the figure, resulting in the liquid sample (104) flowing out to the downstream side of the main flow passage (101). This means that the trigger liquid (106) provides priming to realize a liquid switch.

Un échantillon liquide (104) introduit dans le passage principal (101) du flux est maintenu par un barrage (105) tandis qu'une amorce liquide remplit le passage du flux de déclenchement. Dans cet état, le liquide de déclenchement (106) est à nouveau introduit en temps voulu dans le passage (102) du flux, ce qui permet d'avancer la partie frontale du niveau du déclencheur liquide (106) et de la mettre en contact avec le barrage (105). Cela amène l'échantillon liquide (104) à se déplacer vers la droite (côté aval) de la figure et à fuir vers l'aval du passage principal du flux (101), ce qui signifie que le liquide de déclenchement (106) assure l'amorçage permettant de réaliser le commutateur liquide

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