Microdevices and biosensor cartridges for biological or chemical analysis and systems and methods for the same
First Claim
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1. A biosensor cartridge configured to removably engage a bioassay system, the biosensor cartridge comprising:
- a flow cell having inlet and outlet ports and a flow channel that extends between the inlet and outlet ports, the flow cell including a substrate layer and a flow cover mounted over the substrate layer with the flow channel therebetween, the substrate layer having a substrate field in fluid communication with the flow channel, the substrate field including nucleic acids therealong for conducting a nucleic acid sequencing protocol;
an activity detector secured to the flow cell to form a unitary structure, the activity detector including an array of pixels, the substrate layer having a thickness that extends between the flow channel and the activity detector, the pixels configured to detect light emissions that propagate through the substrate layer and are indicative of desired reactions along the substrate field; and
first and second side surfaces, the first side surface including the inlet and outlet ports, the second side surface comprising electrical contacts that are communicatively coupled to the activity detector, wherein the first and second side surfaces face in substantially opposite directions.
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Abstract
A flow cell including inlet and outlet ports in fluid communication with each other through a flow channel that extends therebetween. The flow channel includes a diffuser region and a field region that is located downstream from the diffuser region. The field region of the flow channel directs fluid along reaction sites where desired reactions occur. The fluid flows through the diffuser region in a first flow direction and through the field region in a second flow direction. The first and second flow directions being substantially perpendicular.
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Citations
20 Claims
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1. A biosensor cartridge configured to removably engage a bioassay system, the biosensor cartridge comprising:
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a flow cell having inlet and outlet ports and a flow channel that extends between the inlet and outlet ports, the flow cell including a substrate layer and a flow cover mounted over the substrate layer with the flow channel therebetween, the substrate layer having a substrate field in fluid communication with the flow channel, the substrate field including nucleic acids therealong for conducting a nucleic acid sequencing protocol; an activity detector secured to the flow cell to form a unitary structure, the activity detector including an array of pixels, the substrate layer having a thickness that extends between the flow channel and the activity detector, the pixels configured to detect light emissions that propagate through the substrate layer and are indicative of desired reactions along the substrate field; and first and second side surfaces, the first side surface including the inlet and outlet ports, the second side surface comprising electrical contacts that are communicatively coupled to the activity detector, wherein the first and second side surfaces face in substantially opposite directions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification