Method for generating micro-droplet by vibrating pipeline to control micro-fluidic chip
A microfluidic chip and micro-droplet technology, which is applied in fluid controllers, chemical instruments and methods, and laboratory containers, can solve the problems of difficult control of micro-droplet size and cost increase, and achieve particle size Consistent, productivity-enhancing, highly monodisperse effect
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[0023] Such as figure 1 As shown, taking mechanical disturbance in the dispersed phase pipeline during the process of generating micro-droplets in the flow-focusing microfluidic chip as an example, the specific embodiment of the present invention is: at a certain continuous phase flow point Q 1 , to adjust the flow rate of the dispersed phase fluid Q 2 , making its flow rate just weaker than the critical flow rate for continuous droplet generation Q C , push the micro-sampler 2 through the syringe pump 1 to make the fluid enter the dispersed-phase pipeline 5 and pass through the electromagnetic vibrator 6 to make the fluid flow into the dispersed-phase inlet 12 in the flow-focused microfluidic chip 9 . The syringe pump 3 pushes the micro-sampler 4 so that the fluid enters the continuous phase pipeline 7 and flows into the continuous phase inlet 11 of the flow-focused microfluidic chip 9 . Two immiscible fluids meet in a narrow channel and touch each other, breaking apart...
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