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We report a novel micro magnetic gyromixer designed for accelerating mixing hence reactions in droplets. The gyromixer is fabricated with magnetite-PDMS composite using soft lithography. The mixer spins and balances itself on the droplet surface through the gyroscopic effect, rapidly homogenizing the enclosed reagents by stretching and folding internal fluid streamlines to enhance mixing. We examined...
This paper reports a droplet microfluidic, sample-to-answer platform for the detection of disease biomarkers and infectious pathogens using crude biosamples. The platform exploited the dual functionality of silica superparamagnetic particles (SSP) for solid phase extraction of DNA and magnetic actuation. This enabled the integration of sample preparation and genetic analysis within discrete droplets,...
We demonstrate a magnetic micromixer designed specifically for rapid active mixing in droplets. The magnetic micromixer is fabricated with composites consisting of magnetite and polydimethylsiloxane (PDMS) using soft lithography techniques. The micromixer spins on the droplet surface and rapidly homogenizes the solution of reagents by actively mixing. The spinning motion also enables the micromixer...
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