Abstract
We present 50 cm long microchannels in a monolithic device for high resolution, long read-length DNA sequencing. These devices were fabricated and bonded in borofloat glass using unconventional photolithography techniques with 48-188 independent, straight microchannels. The microchannel DNA separation was tested with POP-6 polymer and a DNA sequencing ladder separated at room temperature and 200 V/cm. Single-base resolution greater than 600 bases was achieved and the sequence base called to 640 bases with 98% accuracy. Under the same experimental conditions, the performance of the microchip was identical to a fused-silica capillary with similar cross-sectional area.
Published Version
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