Devices for the analysis of fluids and controlled transport...

Details Devices for the analysis of fluids and controlled transport... Devices for the analysis of fluids and controlled transport...

G - Physics

01

N

G01N 35/00 (2006.01) B81B 1/00 (2006.01) C40B 60/00 (2006.01) G01N 1/00 (2006.01)

Patent

CA 2359787

The invention relates to devices for the analysis of fluids and for other applications, comprising at least a filling section, an analysis section and a system of channels. It enables the efficient transport, transfer and movement of fluids. In particular, the invention provides fluidic microstructures for controlled transport and movement of fluids in said devices. Devices of the invention include one or more features that can enhance performance of the fluid transfer, referred to as a pre-shooter stop structure, a butterfly structure, a cascade structure, a waste chamber inlet, a capillary driven sample inlet chamber, a capillary stop structure, a bifurcation flow-through structure, and a hydrophobic vent.

L'invention concerne des dispositifs pour l'analyse de liquides et pour d'autres applications, comprenant au moins une section de remplissage, une section d'analyse et un système de canaux. Elle permet le transport, le transfert et le mouvement efficaces des liquides. En particulier, l'invention prévoit des microstructures fluidiques pour assurer le transport et le mouvement contrôlés des liquides dans ces dispositifs. Les dispositifs de l'invention présentent une ou plusieurs caractéristiques qui peuvent améliorer la performance du transfert de liquides, notamment une structure d'arrêt « pre-shooter », une structure papillon, une structure en cascade, un orifice d'entrée de la chambre de déchets, une chambre d'entrée d'échantillon à entraînement capillaire, une structure d'arrêt capillaire, une structure de circulation de bifurcation et un évent hydrophobe.

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