Device and methods for monitoring the status of at least one...

C - Chemistry – Metallurgy – 12 – N

Patent

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Details

C12N 5/00 (2006.01) C12M 1/34 (2006.01)

Patent

CA 2457667

A device and methods for monitoring status of at least one cell, wherein the cell has a membrane forming a substantially enclosed structure and defining an intracellular space therein. In one embodiment of the present invention, the device includes a first substrate having a first surface and an opposite second surface, a second substrate supported by the first substrate, the second substrate having a first surface, an opposite second surface, a body portion between the first surface and the second surface, a first side surface and an opposite second side surface, wherein the body portion defines a first passage between the first side surface and the second side surface and an opening on the first surface of the second substrate and in fluid communication with the first passage, and sidewalls positioned above the first surface of the second substrate. In one operation mode, when a first medium is introduced into the first passage, the intracellular space of the cell is in fluid communication with the first passage with the first medium, a sensor measures the response of the cell to the first medium.

L'invention concerne un dispositif et des procédés de surveillance de l'état d'au moins une cellule laquelle comprend une membrane formant une structure sensiblement fermée qui délimite un espace intracellulaire intérieur. Dans un mode de réalisation, ce dispositif comprend un premier substrat doté d'une première surface et d'une seconde surface opposée ; un second substrat porté par le premier substrat et possédant une première surface, une seconde surface opposée, une partie corps entre les première et seconde surfaces, une première surface latérale et une seconde surface latérale opposée, cette partie corps définissant un premier passage entre la première et la seconde surface latérale et une ouverture en communication fluidique avec le premier passage pratiquée sur la première surface du second substrat ; et enfin, des parois latérales disposées au-dessus de la première surface du second substrat. Dans un premier mode de fonctionnement, lorsqu'un premier milieu est introduit dans le premier passage, l'espace intracellulaire de la cellule se retrouve en communication fluidique avec le premier passage dans le premier milieu ; un capteur mesurant alors la réaction de la cellule au premier milieu.

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