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Open Space Diffusive Filter for Simultaneous Species Retrieval and Separation

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journal contribution
posted on 27.07.2020 by Prerit Mathur, Anna Fomitcheva Khartchenko, Andrew J. deMello, Govind V. Kaigala
We present a novel method for the local retrieval of surface bound species and their rapid in-line separation using an open space microfluidic device. Separation can be performed in less than 30 s using the difference in diffusivities within parallel microfluidic flows. As a proof-of-principle, we report the rapid and efficient filtration of polystyrene beads from small molecules and surface bound red blood cells from dimethyl sulfoxide for antigen typing.