Micro-fluidic chip and application of micro-fluidic chip in pesticide detection
A microfluidic chip and pesticide technology, applied in the fields of environmental detection and food safety, can solve the problems of unfavorable simultaneous detection of multiple samples, poor flexibility, and complicated actual operation, and achieve good application prospects, lower detection limits, and low prices. Effect
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[0030] In this embodiment, the surface of the disc-type microfluidic PMMA chip has microstructures and microchannels, which can be driven by the centrifugal force generated by the rotation of the centrifuge or by the syringe pump, so as to realize the extraction of the pesticide in the sample to be tested and the mixing with each reagent. In the reaction process, the content of pesticide residues on the chip is quantitatively detected by a fluorescence spectrophotometer. The microfluidic chip and method can reduce the number of injections and detect multiple samples at the same time, and the amount of reagents and samples is very small.
[0031] The technical solutions in the embodiments of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of t...
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