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Digital processing that increases resolution by spatial deconvolution and histogram-based amplitude mapping has been used to improve ultrasonic abdominal image quality. The processing was applied to pulse-echo ultrasound data obtained from clinical imaging instrumentation modified to permit digital recording of signals in either RF or video forms for(More)
We have developed a fully integrated multichannel polymerase chain reaction-capillary electrophoresis (PCR-CE) microdevice with nanoliter reactor volumes for highly parallel genetic analyses. Resistance temperature detectors and heaters made out of Ti/Pt are integrated on the microchip using a scalable radial design to provide precise temperature control of(More)
A microdevice is developed for RNA analysis that integrates one-step reverse transcription and 30 cycles of PCR (RT-PCR) amplification with capillary electrophoresis (CE) separation and fluorescence detection of the amplicons. The four-layer glass-PDMS-glass-glass hybrid microdevice integrates microvalves, on-chip heaters and temperature sensors, nanoliter(More)
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