Integrated CMOS microchip system with capillary array electrophoresis.
A complementary metal oxide semiconductor (CMOS)-capillary array electrophoresis (CAE) system has been used for DNA analysis. Because of its compactness and multiplex capability, the CAE-CMOS microchip is very suitable for the construction of a miniaturized high-throughput system for bioassays. Use of simultaneous laser-beam focusing on to the capillary array and a microscope objective contributed to the construction of the compact CMOS microchip-CAE system. To test the constructed system 100-base-pair (bp) DNA ladders and Hind III digest lambda DNA were separated in poly(vinylpyrrolidone) (PVP) sieving matrix. The miniaturized and integrated CMOS microchip system used in this work had great potential for combination with a variety of microfabricated devices for biomedical research.
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