Micro-fluidic chip for generating spherical microbubbles
2016
The invention discloses a micro-fluidic chip for generating spherical microbubbles.The micro-fluidic chip is formed by bonding two chip bodies which are different in internal microchannel structure, and microchannels with certain thickness and width are etched in the bonding surface of each chip body through a photoetching technology.The first chip body is internally provided with two liquid microchannels, a gas microchannel, a microbubble generation channel and a microbubble output channel, and an included angle with a certain angle exists on the junction of each liquid microchannel and the gas microchannel; the second chip body is internally provided with liquid microchannels, a gas microchannel and a microbubble output channel which all have the same structural sizes as those of the first chip body, but the microbubble generation channel does not exist in the second chip body.After the two chip bodies are bonded to form the micro-fluidic chip, liquid and gas are injected into the microchannels simultaneously, and the microbubbles with different diameter sizes are generated by adjusting the liquid flow and controlling the gas pressure.According to the micro-fluidic chip for generating the spherical microbubbles, the limitation of the microbubbles generated by a micro-fluidic element on the aspects of structure and shape is broken through.
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