Centrifugal type micro-fluidic chip
A microfluidic chip and centrifugal technology, which is applied in the field of life science and medical testing, can solve the problems of increasing the complexity of chip manufacturing and processing costs, affecting liquids, and not completely solving the problem of uniform distribution of air bubbles in samples, so as to avoid cross-contamination of samples , uniform distribution, and uniform flow rate
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[0025] Such as figure 1 A centrifugal microfluidic chip shown includes a substrate 1 and a cover sheet 2 tightly fitted with the substrate. Both the substrate and the cover sheet are circular, the thickness of the substrate is 3mm, and the thickness of the cover sheet is 1mm. The center of the centrifugal microfluidic chip is There is a central through hole 3, and the central through hole runs through the substrate and the cover sheet. Such as figure 2 As shown, there are 21 circumferentially distributed reaction holes 4 and 3 circumferentially distributed main channels 5 connecting the reaction holes on the end surface of the base plate and the cover sheet, and each main channel is connected to 7 reaction holes. The volume of each reaction well is 25 μL, and the volume of the main channel between every two adjacent reaction wells is twice the volume of each reaction well. Before using the centrifugal microfluidic chip, different reaction wells can be preloaded with substan...
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