Micro-fluidic chip-based electric field response micro valve and preparation method thereof
A microfluidic chip and electric field response technology, applied in chemical instruments and methods, processes for producing decorative surface effects, valve devices, etc., can solve problems such as difficult chip integration, complex structure, and large volume, and achieve Good application prospects, cost reduction, and simple operation
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Embodiment 1
[0022] The microstructure and microchannel pattern of the two-layer chip of the microfluidic chip with controllable microfluidic flow are designed and drawn by computer-aided design software. The microstructure and microchannel of the two-layer polymethyl methacrylate (PMMA) chip were processed and prepared by the numerical control CNC system. The chips of each layer were cleaned with tap water and distilled water respectively, and the remaining fingerprints, oil stains and other stains on the chip surface were wiped with ethanol. On the double-sided adhesive film, the required microstructures and microchannels were processed with a cutting machine. The two-layer chip is carefully aligned, glued, and pressure-sealed to make a smart microvalve based on a microfluidic chip. The sample solution is added to the injection hole of the microfluidic chip, and the solution enters the microchannel driven by the external peristaltic pump. In the microvalve area of the microchannel, the...
Embodiment 2
[0024] The microstructure and microchannel graphics of the two-layer chip of the centrifugal microfluidic chip were designed and drawn by computer-aided design software. The microstructure and microchannel of the two-layer disc-shaped polycarbonate (PC) chip were processed and prepared by the numerical control CNC system. The chips of each layer were cleaned with tap water and distilled water respectively, and the remaining fingerprints, oil stains and other stains on the surface of the chip were wiped with ethanol. On the double-sided adhesive film, the required microstructures and microchannels were processed with a cutting machine. The two-layer chip is carefully aligned, glued, and pressure-sealed to make a smart microvalve based on a microfluidic chip. The sample solution is added to the injection hole of the microfluidic chip, and the solution enters the microchannel driven by the external peristaltic pump. In the microvalve area of the microchannel, the electrorespons...
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