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This paper describes the development of a microfluidic device with embedded capacitive sensing that allows the discrimination of fluids on the basis of the dielectric permittivity. The device is fabricated in a hybrid technology, which innovatively combines PDMS (PolyDiMethylSiloxane) soft photolithography and screen printing techniques. A microchannel, realized in a PDMS layer, is placed in the fringe...
This paper reports the development and characterisation of an assembly technology for a polymer lab-on-chip. The system consists of a 150 μm deep hot embossed microfluidic channel in polycarbonate and Au electrodes fabricated separately by photolithography on polyethylenenaphthalate. The system is designed for impedimetric immunoassay detection in whole blood. Electrode layer and microfluidic substrate...
In this paper, we propose a novel microfabrication technique without assembling process including alignment and bonding for significant 3-D microstructures and microfludic networks. The proposed process can integrate embedded microchannels with free path, orifices, openings and nozzles into a complicated microfluidic network by using the inclined/rotated UV lithography with a characteristic single-mask...
In this paper, we describe the fabrication of a temperature-controlled microfluidic chip for cell immobilization using a thermosensitive hydrogel of poly (N-isopropylacrylamide) (PNIPAAm). A mixture of PNIPAAm solution, yeast cells, and Calcein-AM fluorescent dye is flowed in the microchannel, and the indium-tin-oxide (ITO) microheaters that were fabricated by micromachining technology heat a PNIPAAm...
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