Apparatus for controlling movement of specimen, method for...

Details Apparatus for controlling movement of specimen, method for... Apparatus for controlling movement of specimen, method for...

G - Physics

01

N

G01N 1/28 (2006.01) B01L 99/00 (2010.01) C12M 1/00 (2006.01) C12M 1/42 (2006.01) G01N 1/38 (2006.01)

Patent

CA 2403106

An apparatus for controlling the movement of a specimen in order to handle the specimen, e. g. , a cell, easily and quickly with high accuracy. A standing wave vibration (V) having at least one node (N1, N2) is generated in a vibrator (11). A specimen in a medium (30) is captured at a position in the vicinity of the surface of the node (N1, N2) and then turned in this position. The capturing position of the specimen (S) is altered through variable control of the vibration mode of the standing wave vibration (V), and the moving route, moving speed, or rotational speed of the specimen (S) is controlled as desired through variable control of the vibration parameters (e.g., frequency, amplitude, intermittent frequency) of the standing wave vibration (V).

Dispositif servant à commander le déplacement d'un spécimen, dans le but de manipuler ce spécimen, par exemple, une cellule, sans difficultés, rapidement et avec une précision élevée. Une vibration d'onde fixe (V) possédant au moins un noeud (N1, N2) est générée dans un vibrateur (11). On capture un spécimen dans un milieu (30) dans une position située à la proximité de la surface du noeud (N1, N2) et on le tourne dans cette position. On modifie la position de capture du spécimen (S) par l'intermédiaire de la commande variable du mode de vibration de l'onde fixe (V) et on commande le trajet de déplacement, la vitesse ou la rotation du spécimen (S) par l'intermédiaire d'une commande variable des paramètres de vibration (par exemple, fréquence, amplitude, fréquence intermittente) de la vibration d'onde fixe (V).

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