Abstract: The present invention includes a device and a method of using the device, wherein the device is a microfluidic device for single or multicell capture comprising: a substrate; one or more microgrooves or microtubes disposed within the substrate, each N microgroove or microtube having a first end and a second end, wherein a width of the microgroove or microtube is a diameter of a target cell or a group of cells, wherein the microgroove or microtube comprises one or more chambers; a fluid input disposed within the substrate in fluid communication with the first end of the one or more microgrooves or microtube; and a fluid output disposed within the substrate in fluid communication with the second end of the one or more microgrooves or microtube, or the one or more chambers, wherein one or more cells that are captured in the microgroove can be analyzed as a single cell.

Abstract: A microfluidic device includes a substrate and a cover. The substrate has an inlet port, a first microchannel, one or more parking loops, a second microchannel and an outlet port for each microchannel network. The first microchannel is connected to the inlet port, the second microchannel is connected to the outlet port, the parking loops are connected between the first and second microchannels. Each parking loop includes a parking loop inlet, a parking loop output, a fluidic trap connected between the parking loop inlet and the parking loop outlet, and a bypass microchannel connected to the parking loop inlet and the parking loop outlet. The cover is attached to a top of the substrate and has an inlet opening and an outlet opening through the cover for each microchannel network. The inlet and outlet openings of the cover are disposed above the inlet and outlet ports in the substrate.

Abstract: A microfluidic device includes a substrate and a cover. The substrate has an inlet port, a first microchannel, one or more parking loops, a second microchannel and an outlet port for each microchannel network. The first microchannel is connected to the inlet port, the second microchannel is connected to the outlet port, the parking loops are connected between the first and second microchannels. Each parking loop includes a parking loop inlet, a parking loop output, a fluidic trap connected between the parking loop inlet and the parking loop outlet, and a bypass microchannel connected to the parking loop inlet and the parking loop outlet. The cover is attached to a top of the substrate and has an inlet opening and an outlet opening through the cover for each microchannel network. The inlet and outlet openings of the cover are disposed above the inlet and outlet ports in the substrate.

Abstract: A microfluidic device includes a substrate and a cover. The substrate has an inlet port, a first microchannel, one or more parking loops, a second microchannel and an outlet port for each microchannel network. The first microchannel is connected to the inlet port, the second microchannel is connected to the outlet port, the parking loops are connected between the first and second microchannels. Each parking loop includes a parking loop inlet, a parking loop output, a fluidic trap connected between the parking loop inlet and the parking loop outlet, and a bypass microchannel connected to the parking loop inlet and the parking loop outlet. The cover is attached to a top of the substrate and has an inlet opening and an outlet opening through the cover for each microchannel network. The inlet and outlet openings of the cover are disposed above the inlet and outlet ports in the substrate.

Abstract: A microfluidic device includes a substrate comprising an inlet in fluid communication with one or more conduits and one or more parking loops in fluid communication with the one or more conduits. Each parking loop includes a bypass channel and a lower branch with a fluidic trap capable of retaining one or more drops of a sample solution, wherein the bypass channel has a smaller hydrodynamic resistance than the lower branch within the fluidic trap and a hydrodynamic resistance ratio (RT/RB) between the lower branch within the fluidic trap and the bypass channel is from 1.5 to 3.2. One or more outlets are in fluid communication with at least one of the bypass channels. A method for making the microfluidic device is also disclosed.

Abstract: The present invention includes a microfluidic device comprising one or more parking loops 12, each parking loop 12 comprising a bypass channel 14 and a lower branch 16 capable of retaining one or more drops, wherein bypass channel 14 has a smaller hydrodynamic resistance than the lower branch 16.

Abstract: The present invention includes a microfluidic device comprising one or more parking loops 12, each parking loop 12 comprising a bypass channel 14 and a lower branch 16 capable of retaining one or more drops, wherein bypass channel 14 has a smaller hydrodynamic resistance than the lower branch 16.