Microfluidic devices and systems incorporating cover layers

Details Microfluidic devices and systems incorporating cover layers Microfluidic devices and systems incorporating cover layers

G - Physics

01

N

G01N 1/18 (2006.01) B01L 3/00 (2006.01)

Patent

CA 2406707

The present invention provides microfluidic devices (100) that comprise a body structure comprising at least a first microscale channel network (114) disposed therein. The body structure has a plurality of ports (106) disposed in the body structure, where each port is in fluid communication with one or more channels in the first channel network. The devices also includes a cover layer (200) comprising a plurality of apertures (206) disposed through the cover layer. The cover layer (200) is mated with the body structure whereby each of the apertures (206) is aligned with a separate one of the plurality of ports. The devices also optionally include conductive coatings and membranes. The invention additionally provides methods of controlling the delivery of a composition of material into a microfluidic device (100).

La présente invention concerne des dispositifs microfluidiques (100) comprenant une structure principale qui renferme au moins un premier réseau (114) de micro-canaux. La structure principale présente une pluralité de passages (106) qui sont chacun en communication fluidique avec ou plusieurs canaux du premier réseau de canaux. Ces dispositifs comprennent également une couche de couverture (200) présentant une pluralité d'ouvertures (206). La couche de couverture (200) épouse la structure principale de sorte que chacune des ouvertures (206) est aligné sur un passage distinct de la pluralité de passages. De plus, ces dispositifs peuvent éventuellement comporter des revêtements conducteurs et des membranes. L'invention porte par ailleurs sur des méthodes permettant de réguler l'apport d'une composition de matériau dans un dispositif microfluidique (100).

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