MICRO-NANO FLUIDIC SUBSTRATE, CHIP, PREPARATION METHOD AND SYSTEM

    公开(公告)号:US20240261785A1

    公开(公告)日:2024-08-08

    申请号:US18018795

    申请日:2021-12-31

    Abstract: Provided is a micro-nano fluidic substrate, a chip, a preparation method, and a system. The micro-nano fluidic substrate includes: a base; an electrode layer located on the base, the electrode layer includes a first electrode, a second electrode, and a control electrode; and a film layer located on the electrode layer and far away from the base, the film layer includes a groove layer, a nano-channel and a micro-channel, the groove layer includes a first groove, the nano-channel is located in the first groove, an orthographic projection of the nano-channel on the base at least partially coincides with an orthographic projection of the control electrode on the base, and the micro-channel is in communication with the nano-channel, the micro-channel includes a first micro-channel and a second micro-channel, and the first micro-channel is in communication with the first electrode, the second micro-channel is in communication with the second electrode.

    Micro-fluidic chip
    5.
    发明授权

    公开(公告)号:US12251698B2

    公开(公告)日:2025-03-18

    申请号:US17489920

    申请日:2021-09-30

    Abstract: The disclosure provides a micro-fluidic chip, and belongs to the field of chip technology. The microfluidic chip provided in the present disclosure includes a plurality of microfluidic units, each microfluidic unit includes an operation region and a transition region located on at least one side of the operation region, the transition regions at adjacent side of two adjacent microfluidic units are disposed opposite to each other. Each microfluidic unit includes: a first substrate; a first electrode layer disposed on the first substrate, the first electrode layer including a plurality of first sub-electrodes located in the operation region and at least one second sub-electrode located in the transition region, and the at least one second sub-electrode configured to drive a droplet to move from one of the plurality of microfluidic units to an adjacent microfluidic unit.

    Microfluidic structure, microfluidic chip and detection method

    公开(公告)号:US11583855B2

    公开(公告)日:2023-02-21

    申请号:US17186186

    申请日:2021-02-26

    Abstract: The present disclosure discloses a microfluidic structure, a microfluidic chip and a detection method. The microfluidic structure includes: a first base substrate and a second base substrate opposite to each other, an antibody area located between the first base substrate and the second base substrate and storing an enzyme-labeled first antibody, a cleaning area storing cleaning liquid, a signal substrate area storing a signal substrate solution and a detection area with a second antibody and an ion sensitive film fixed thereon, wherein all channel areas from the antibody area, the cleaning area and the signal substrate area to the detection area each have a driving electrode structure driving liquid drops to move; and the detection area has a thin film transistor connected with the ion sensitive film.

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