Microfluidic chip
    12.
    发明授权

    公开(公告)号:US11344891B2

    公开(公告)日:2022-05-31

    申请号:US16768558

    申请日:2019-11-13

    Abstract: The present disclosure provides a microfluidic chip, including: first base substrate and a second base substrate opposite to each other; first electrode and second electrode between the first base substrate and the second base substrate and configured to control droplet to move between the first base substrate and the second base substrate according to voltages applied on the first electrode and the second electrode; light guide component configured to guide light propagating in the first base substrate to the droplet; shading component and detection component, shading component having light transmission regions spaced from each other, light transmission regions being configured to transmit light passing through the droplet to the detection component, wherein detection component is on second base substrate and is configured to obtain property of the droplet according to an intensity of the light passing through droplet and received from the light transmission regions.

    Detection substrate and manufacturing method thereof, and nucleic acid detecting method

    公开(公告)号:US11053539B2

    公开(公告)日:2021-07-06

    申请号:US15750907

    申请日:2017-07-12

    Abstract: A detection substrate and a manufacturing method thereof, and a nucleic acid detecting method are provided. The detection substrate includes at least one detection unit disposed on a base substrate, the detection unit including a first electrode, a second electrode and a colloid layer, the second electrode disposed on a side of the first electrode away from the base substrate, the second electrode including at least one hollowed structure, the second electrode and the first electrode being insulated from each other, and the first electrode and the second electrode being configured to be applied with voltages respectively; the colloid layer at least disposed on the at least one hollowed structure of the second electrode, the colloid layer including a linker configured to be paired with a target nucleic acid.

    Microfluidic Chip Having Grounding Trace and Manufacturing Method Thereof, and Microfluidic Device

    公开(公告)号:US20240278236A1

    公开(公告)日:2024-08-22

    申请号:US18654383

    申请日:2024-05-03

    Inventor: Fengchun Pang

    CPC classification number: B01L3/502707 G09G3/34

    Abstract: Provided are a microfluidic chip and a manufacturing method thereof, and a microfluidic device. The microfluidic chip comprises a first substrate structure comprising a plurality of pin areas comprising a first and a second pin area, a detection area, and a grounding trace. The detection area comprises a plurality of first scan lines extending along a first direction, each of which being connected to the first pin area through a corresponding first scan trace; a plurality of first data lines extending along a second direction, each of which being connected to the second pin area through a corresponding first data trace; a plurality of detection units, each of which comprising a first switching transistor connected to a corresponding first scan line and data line, a driving electrode, and a first hydrophobic layer. The grounding trace is connected to at least one detection unit and one of the pin areas.

    Gene sequencing chip and gene sequencing method

    公开(公告)号:US11291970B2

    公开(公告)日:2022-04-05

    申请号:US16071932

    申请日:2018-01-02

    Abstract: A gene sequencing chip is provided, which includes: an upper substrate including a plurality of liquid inlets for inletting liquid drops; a lower substrate opposite to the upper substrate and spaced therefrom by a gap, the gap being provided for allowing the liquid drops to move therein, the lower substrate including a liquid drop operation region, the liquid drop operation region including a manipulation electrode array. The manipulation electrode array includes multiple first sub-arrays for preparing a gene library, multiple second sub-arrays for sequencing the gene library which is prepared, each first sub-array being adjacent to one of the multiple second sub-arrays. Based on the gene sequencing chip provided in this disclosure, operations to tiny liquid drops such as movement, fusion and splitting can be accurately manipulated by using digital microfluidic techniques, and all steps of the gene sequencing from library preparation to gene sequencing can be completed on one chip.

    Microfluidic chip, biological detection device and method

    公开(公告)号:US11103868B2

    公开(公告)日:2021-08-31

    申请号:US16338042

    申请日:2018-10-11

    Abstract: The present disclosure provides a microfluidic chip, a biological detection device and a method. The microfluidic chip includes: a first substrate and a second substrate that are oppositely disposed; a first electrode and a second electrode that are oppositely disposed between the first substrate and the second substrate, the first electrode including a plurality of spaced first electrode units, and the second electrode including a plurality of spaced second electrode units, wherein the first electrode units are disposed oppositely to the second electrode units in one-to-one correspondence; a first dielectric layer and a second dielectric layer between the first electrode and the second electrode; a first hydrophobic layer and a second hydrophobic layer between the first dielectric layer and the second dielectric layer, wherein a gap is between the first hydrophobic layer and the second hydrophobic layer.

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