Abstract: The embodiments of the present disclosure relate to a microfluidic chip. The microfluidic chip may include a substrate. The substrate may include an electrode layer on a base substrate, a dielectric layer on the electrode layer, and a lyophobic layer on the dielectric layer. The electrode layer may include a plurality of electrode units. Each of the plurality of electrode units may be configured to realize both droplet detection and droplet driving in response to a detection signal and a driving signal respectively.

Abstract: The present application provides a digital microfluidic device. The digital microfluidic device includes a base substrate; and an electrode array including a plurality of discrete electrodes continuously arranged on the base substrate. The plurality of discrete electrodes can be grouped into a plurality of first electrode groups, each of which including a plurality of directly adjacent discrete electrodes. The plurality of discrete electrodes can be alternatively grouped into a plurality of second electrode groups, each of which including a plurality of directly adjacent discrete electrodes.

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.

Abstract: An ultrasonic dimming system includes: a function processing module including: a first unit for generating a first electrical signal for locating a target object in a first operation state, to enable an ultrasonic transducer structure to generate first ultrasonic waves, and generating a second electrical signal for identifying finger touch position in a second operation state, to enable the ultrasonic transducer structure to generate second ultrasonic waves; a second unit for detecting reflected first ultrasonic waves to obtain target position information of the target object in the first operation state, and detecting reflected second ultrasonic waves to obtain finger touch position information in the second operation state; a third unit for controlling the ultrasonic transducer structure to perform directional sounding for the target object in the first operation state; a fourth unit for sending a control signal to the dimming glass structure to perform dimming in the second operation state.

Abstract: A microfluidic device and a detection method for the microfluidic device are provided. The microfluidic device includes a driving substrate configured to drive a movement of a droplet; and a position detector configured to detect a position of the droplet on the driving substrate.

Abstract: A digital microfluidic device includes a thin film transistor driving substrate. The thin film transistor driving substrate includes a first base substrate; a plurality of sample actuating units; a plurality of sample position detecting units; a dielectric insulating layer on a side of the plurality of sample actuating units and the plurality of sample position detecting units distal to the first base substrate; and a first hydrophobic layer on a side of the dielectric insulating layer distal to the first base substrate. Each of the plurality of sample actuating units includes a first electrode configured to drive transportation of a liquid droplet on the digital microfluidic device. Each of the plurality of sample position detecting units includes a photosensor configured to detect presence or absence of the liquid droplet on a position corresponding to the photosensor.

Abstract: A substrate for medical test and a gene sequencing method thereof are disclosed. The substrate for medical test includes a micro flow channel substrate, a first substrate, and a second substrate. A side of the micro flow channel substrate facing the first substrate is provided with at least one first micro flow channel, and the first substrate includes a first sample inlet and a first sample outlet which are in communication with the first micro flow channel; a side of the micro flow channel substrate facing the second substrate is provided with at least one second micro flow channel, and the second substrate includes a second sample inlet and a second sample outlet which are communication with the second micro flow channel.

Abstract: A microfluidic chip and controlling method are provided. The microfluidic chip includes a microfluidic substrate, comprising a first substrate, a droplet driving assembly over the first substrate, and a temperature detection assembly. The droplet driving assembly includes a first electrode layer having a plurality of control electrodes, and each of the plurality of control electrodes is configured as part of a driving unit to drive a droplet to move along a predetermined path over the microfluidic substrate. The temperature detection assembly comprises at least one temperature sensor. The at least one temperature sensor positionally corresponds to the plurality of control electrodes such that each of the at least one temperature sensor detects a temperature at a position associated with one of the plurality of control electrodes corresponding to the each of the at least one temperature sensor.

Abstract: An electrochemical detection chip includes a first substrate and a second substrate opposite to each other, a plurality of driving electrodes, first detection electrodes and second detection electrodes. The plurality of driving electrodes are arranged on a side of the first substrate facing toward the second substrate and are arranged independently. The first detection electrodes and the second detection electrodes are arranged at a plurality of positions on a side of the second substrate facing toward the first substrate that are directly opposite at least a part of the plurality of driving electrodes, and are spaced apart from each other.

Abstract: A chip, a detection system and a gene sequencing method are provided. When the chip is used for gene sequencing, sample genes and reversible terminating nucleotides are added into micropores and matched therein to release hydrogen ions such that a Nernst potential is induced on an ion-sensitive film surface, and a voltage is applied to the transparent electrode layer to generate an electric field, thereby controlling the switching layer to change its state, and then a base type of the genes is determined based on a type of reversible terminating nucleotide corresponding to information of light emitted from the switching layer upon changes in the state of the switching layer, thereby gene sequencing is achieved.

Abstract: A microfluidic apparatus is provided. The microfluidic apparatus includes an electrochromic layer including a plurality of individually independently addressable regions; a microfluidic layer defining a microfluidic channel for allowing a microfluid to pass therethrough; and a plurality of photodetectors configured to detect light transmit through the microfluid.

Abstract: The present disclosure relates to a gene sequencing structure, chip, system, and method. The gene sequencing structure includes: a first electrode and a second electrode spaced apart from each other, a semiconductor layer, a sensing electrode, an insulating layer, and a sensitive film layer. The first electrode is connected to the second electrode via the semiconductor layer, the sensing electrode is in contact with the sensitive film layer, and the insulating layer isolates each of the sensitive film layer and the sensing electrode from each of the first electrode, the second electrode, and the semiconductor layer, wherein the sensitive film layer generates charges in response to receiving ions generated by base pairing during gene sequencing.

Abstract: The embodiments of the present disclosure relate to a microfluidic chip. The microfluidic chip may include a substrate. The substrate may include an electrode layer on a base substrate, a dielectric layer on the electrode layer, and a lyophobic layer on the dielectric layer. The electrode layer may include a plurality of electrode units. Each of the plurality of electrode units may be configured to realize both droplet detection and droplet driving in response to a detection signal and a driving signal respectively.

Abstract: A digital microfluidic device includes a thin film transistor driving substrate. The thin film transistor driving substrate includes a first base substrate; a plurality of sample actuating units; a plurality of sample position detecting units; a dielectric insulating layer on a side of the plurality of sample actuating units and the plurality of sample position detecting units distal to the first base substrate; and a first hydrophobic layer on a side of the dielectric insulating layer distal to the first base substrate. Each of the plurality of sample actuating units includes a first electrode configured to drive transportation of a liquid droplet on the digital microfluidic device. Each of the plurality of sample position detecting units includes a photosensor configured to detect presence or absence of the liquid droplet on a position corresponding to the photosensor.

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.

Abstract: A chip for gene sequencing and a gene sequencing method are disclosed. The chip for gene sequencing includes: a body, including an accommodating chamber and a temperature testing element, wherein the temperature testing element is configured for testing a temperature variation amount in the accommodating chamber.

Abstract: A microfluidic chip and a detection method using the microfluidic chip. The microfluidic chip includes: at least one micro-chamber; a photocathode located on a side of the at least one micro-chamber and configured to receive photons emitted from the micro-chamber to generate electrons; a micro-channel plate located on a side of the photocathode away from the micro-chamber and configured to multiply the electrons generated by the photocathode; and a first electrode located on a side of the micro-channel plate away from the photocathode; the micro-channel plate includes a plurality of micro-channels extending substantially in a thickness direction of the micro-channel plate, a secondary electron emission layer is provided on an inner wall of each of the plurality of micro-channels, and the first electrode is configured to detect the electrons that are multiplied by the micro-channel plate.

Abstract: A biological detection substrate, a microfluidic chip and a driving method thereof, and a microfluidic detection component are provided. The biological detection substrate includes a sample capture region, the sample capture region includes an electromagnetic coil, and the electromagnetic coil is configured to capture a sample in a sample droplet that is driven to pass through the sample capture region.

Abstract: The present disclosure relates to a bio-detection chip and a detection method associated therewith. The bio-detection chip includes an upper substrate, a lower substrate, a reference electrode, a driving electrode, and a first dielectric layer, a first hydrophobic layer, a second hydrophobic layer and a second dielectric layer disposed successively between the reference electrode and the driving electrode. The bio-detection chip further includes a plurality of micro-capsules arranged between the first hydrophobic layer and the second hydrophobic layer. Each micro-capsule encapsulates a plurality of charged microspheres, and surfaces of the charged microspheres have a first biomolecule for specifically binding with a second biomolecule that enters the bio-detection chip so as to give rise to a color change. The charged microspheres move close to the upper substrate when a voltage is applied between the reference electrode and the driving electrode.

Abstract: A gene sequencing chip, a gene sequencing method, and a gene sequencing device are disclosed. The gene sequencing chip includes a display panel which includes a plurality of display units, where each of the display units includes a transistor and an electrode connected with a first pole of the transistor; an opening defining layer which is arranged on the display panel and includes openings corresponding with the display units in a one-to-one manner; and an ion-sensitive film which is at least partially arranged in the openings and is connected with a control electrode of the transistor.