Microfluidics is the technology of manipulating fluid flow at the microscale.The droplets generated by microfluidics technology have the characteristics of good monodispersity,uniform size,internal stability,small volume,and high flux,and are widely used in fields such as biosensing,chemical synthesis,food processing,drug screening,aerospace medicine,and environmental monitoring.Microfluidics technology involves many aspects.In this paper,the research on droplet generation methods were mainly reviewed,the active and passive methods of droplet generation were outlined in microchannel and the design of microchannelsin the passive method was described in detail.It summarized the latest progress of microfluidics technology in the fields of biosensing,aerospace medicine,and environmental detection in recent years,and explored the development trends of microfluidic technology technology in various aspects,and preliminary discussions were conducted on its future application prospects.
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