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.

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: Provided are a temperature control system, a detection system and a temperature control method for a micro-fluidic chip. The temperature control system includes a circuit structure in a functional layer of the micro-fluidic chip, corresponding to a reaction zone of the micro-fluidic chip, and including at least two thermistors and an input port and an output port, wherein the input port and the output port are electrically coupled through the thermistors to form an application circuit; and a controller electrically coupled to each port and configured to select a first input port and a first output port, such that the circuit structure is configured to form a first application circuit as a heating device, and to select a second input port and a second output port, such that the circuit structure is configured to form a second application circuit as a temperature sensor.

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.

Abstract: Provided is a micro-fluidic chip, including a first substrate and a second substrate opposite to each other. A liquid storage cavity is formed between the first substrate and the second substrate, and a liquid inlet hole penetrating through the first substrate in a thickness direction is formed in the first substrate. The first substrate includes a first electrode layer and a hydrophobic layer that are sequentially disposed in the thickness direction of the first substrate, and the first electrode layer is on a surface of the hydrophobic layer away from the second substrate. The second substrate includes an adjustment layer and a second electrode layer that are sequentially disposed in a thickness direction of the second substrate, and the second electrode layer is on a surface of the adjustment layer away from the first substrate. A micro-fluidic system and a control method of the micro-fluidic chip are also provided.

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 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 provides a PCR substrate, a PCR chip, a PCR system, and a liquid droplets pull-out method. The PCR substrate includes a first base; a driving structure disposed on the first base and configured to drive liquid droplets to move; where the first base includes an injection region, a stretching region and an amplification region, and the driving structure is configured to enable liquid in the injection region to form liquid droplets in the stretching region and enable the liquid droplets to move in the amplification region according to a predetermined track.

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.

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 discloses a sample preliminary screening chip, a specimen detecting method and a screening device. A data processor may be configured to control a sample solution containing a specimen to be added into a preliminary screening inlet of the sample preliminary screening chip, and control the sample solution in the preliminary screening inlet to enter a channel, successively to flow through a first preliminary screening area and a second preliminary screening area, and to flow out from a preliminary screening outlet so as to store a liquid with the specimen in a first preliminary screening area. In this way, the liquid containing the specimen may be screened preliminarily.

Abstract: A biological detection chip, a biological detection device, and a detection method thereof are disclosed. The biological detection chip includes a first base substrate and a plurality of detection units arranged in an array along a row direction and a column direction on the first base substrate. Each of the plurality of detection units includes a thin film transistor and an electrode, the thin film transistor is on the first base substrate and includes a gate electrode, a source electrode, and a drain electrode, and the electrode is on a side of the thin film transistor away from the first base substrate and is connected to the drain electrode, and the electrode is configured to carry a biological material to be detected.

Abstract: A chip for polymerase chain reaction, a method of operating a chip for polymerase chain reaction, and a reaction device are provided. The chip includes: a sample adding region, a mixing region, a temperature cycling region in a sequential arrangement, and at least one driving unit group. The at least one driving unit group includes a plurality of driving units and is configured to drive a liquid drop to move and sequentially pass through the sample adding region, the mixing region, and the temperature cycling region.

Abstract: A microfluidic device, a microfluidic detection assembly and a detection method for the microfluidic device. The microfluidic device includes a first substrate and a second substrate; the first substrate and the second substrate are oppositely arranged to define a channel between the first substrate and the second substrate, the channel is configured for liquid to flow, the first substrate includes a base substrate and a plurality of control assemblies which are arranged on the base substrate along an extending direction of the channel, each of the plurality of control assemblies includes: a first electrode, a second electrode and a plurality of coils, and the first electrode is configured to input currents into the plurality of coils, and the plurality of coils are connected in parallel to the second electrode.

Abstract: A chip, a method of operating a chip, and a detection device are provided. The chip includes a detection cavity and a working electrode, the detection cavity is configured to be capable of containing a plurality of droplets, and the working electrode is arranged in the detection cavity and is configured to regularly arrange the plurality of droplets in the detection cavity along an extending direction of the working electrode.

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.