4 results about "Microfluidic Analysis" patented technology

A continuous analysis method comprising generating microfluidic droplets comprising multiple copies of a same antigen, multiple copies of a same primary antibody potentially capable of specifically binding to said antigen, a multivalent crosslinking agent being a biomolecule or a support, and a fluorescent labeling agent, said continuous microfluidic analysis being a fluorescence-based sorting.

The application provides a wearable sweat micro-fluidic analysis chip and a preparation method and application thereof. The wearable sweat micro-fluidic analysis chip is sequentially provided with a sweat inlet layer 1, a branch channel layer 3 and a cover layer 5 from top to bottom. The sweat inlet layer is provided with a sweat inlet 6. The branch channel layer 3 is provided with a detection chamber 10, a channel 17 and a valve chamber 9. The sweat inlet 6, the valve chamber 9, the channel 17 and the detection chamber 10 are sequentially communicated. The cover layer 5 is provided with a sweat outlet 14. A water droplet type polymer valve is placed in the valve chamber 9. The opening time of the water droplet type polymer valve can be flexibly controlled by simply adjusting the polymer concentration. The sweat sample can be sequentially collected, and the contact time of the sweat sample and the detection reagent can be accurately controlled. A reliable premise is provided for subsequent accurate analysis. The application can be applied to the detection of cortisol and the detection of uric acid.

The application discloses a kind of microfluidic titration device and titration method, it is related to microfluidic analysis detection technical field, including base, white background plate, black background plate, vertical column, horizontal beam, test tube clamp, titration test tube, background light box, background lamp, light shield, base level, adjustable foot, beam horizontal adjusting mechanism and beam micro level, automatic control unit, microfluidic flow control module, titration end point image recognition module, background driving module, data processing storage module;The bottom of base is provided with adjustable foot, base level is arranged on base, vertical column is fixed on base, horizontal beam is connected with vertical column by beam horizontal adjusting mechanism, beam micro level is fixed on horizontal beam, and test tube clamp is arranged on horizontal beam.A kind of microfluidic titration device and titration method, through the double leveling structure of base and beam, add automatic control module to realize intelligent regulation and control of whole process, eliminate benchtop and assembly error, and the batch detection efficiency of multi-channel clamping is improved.

The application relates to the technical field of microfluidics, and discloses a modular tubular microfluidic analysis and detection device and a detection method, which comprises the following steps: manufacturing a fluid input module and a reaction and measurement module by using laser cutting, machining, injection molding or 3D printing technology; the fluid input module comprises a plurality of fluid input mechanisms; the fluid input mechanism comprises a liquid storage device, a first micropump and a first microvalve, and each fluid input mechanism is independent of each other; the reaction and measurement module comprises a microreactor and a signal reader; the signal reader is connected with the microreactor; a hose is used to connect the fluid input module and the microreactor; the liquid to be detected is stored in the liquid storage device; the liquid to be detected flows into the microreactor through the hose under the control of the first micropump and the first microvalve; the signal reader acquires signal changes when the liquid to be detected in the microreactor reacts; and analysis and detection results are obtained according to the signal changes. The application can realize a stable pipeline structure, facilitate function expansion and reduce costs.