Capillary flow-driven microfluidic device with wettability gradient and sedimentation effects for blood plasma separation

Abstract

We report a capillary flow-driven microfluidic device for blood-plasma separation that comprises a cylindrical well between a pair of bottom and top channels. Exposure of the well to oxygen-plasma creates wettability gradient on its inner surface with its ends hydrophilic and middle portion hydrophobic. Due to capillary action, sample blood self-infuses… (More)
DOI: 10.1038/srep43457

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