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A hybrid microfluidic separation device that uses the crossflow and the centrifugation effect to separate human plasma from blood cells has been designed and fabricated. The chip mainly consists of the spiral microchannel, which is divided into inner and outer mcirochannels by micropillar arrays. The slits between the micropillars act as filter. Clogging and jamming in this filtration structure are...
This paper describes the design, realization and testing of a refractometer based on the principle of transmission phase grating. An integrated multichannel microfluidic chip is used as a basic optical component for building the refractometer. A laser light beam is coupled to the top of the microfluidic chip and the generated diffraction pattern is recorded by a CCD camera and the intensities of the...
As the diffuser/nozzles are the key parts for micro diffuser/nozzle pumps, this paper reports a novel method for improving the flow efficiency by adding fins on its sidewall. The shape of the fin is imitative of the fish fins. Hence some fins fabricated through silicon micro-machining technology are integrated with the nozzle/diffusers. It has been testified that the big fins can improve the flow...
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