Spatially addressed lipid bilayer arrays and lipid bilayers...

G - Physics – 01 – N

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G01N 33/543 (2006.01) B01J 19/00 (2006.01) G01N 33/544 (2006.01) G01N 33/92 (2006.01)

Patent

CA 2385807

Disclosed are spatially addressed arrays of discreet fluid lipid bilayers prepared by flexible patterning methods that faciliate the compartmentalization of lipid membranes and aqueous solutions disposed thereon into discreet, spatially addressable, microarray partitions, onto specific and discreet locations of a substantially planar solid support. This process can either be used either in parallel or sequentially to pattern thousands of distinct membranes on a single "biochip", and to assay pluralities of selected analyte components contacted with the discreet lipid bilayer compartments for one or more target molecules. Also provided are biochip microarray systems and methods for their production that comprise arrays of confined aqueous compartments disposed upon such compartmentalized lipid bilayers. The aqueous compartments are independently addressable, thereby facilitating reagent delivery, reagent extraction, analytical probe and high-throughput analyte screening methods.

La présente invention concerne des agencements, spatialement adressés, de bicouches lipidiques fluides discrètes, préparées à l'aide de procédés de mise en forme souples qui facilitent la mise en compartiments de membranes lipidiques et de solutions aqueuses déposées dessus en partitions microagencées discrètes, spatialement adressables, à des emplacements discrets et spécifiques d'un support solide sensiblement plan. Ce procédé peut être utilisé en parallèle ou bien séquentiellement afin de former des milliers de membranes distinctes sur une seule "biopuce", et de tester, pour une ou plusieurs molécules cibles, plusieurs composants d'analytes sélectionnés mis en contact avec les compartiments de bicouches lipidiques discrètes. L'invention concerne aussi des systèmes microagencés de biopuce ainsi que des procédés de leur production comprenant des agencements de compartiments aqueux confinés, disposés sur de telles bicouches lipidiques compartimentées. Les compartiments aqueux sont adressables de manière indépendante, ce qui facilite l'apport de réactif, l'extraction de réactif, l'emploi de sonde analytique et de procédés de criblage d'analyte à productivité élevée.

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