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Portable High Throughput Digital Microfluidics And On-Chip Bacteria Cultures, Yiyan Li
Portable High Throughput Digital Microfluidics And On-Chip Bacteria Cultures, Yiyan Li
UNLV Theses, Dissertations, Professional Papers, and Capstones
An intelligent, portable, and high throughput digital microfluidic (DMF) system is developed. Chapter 1 introduces microfluidics and DMF systems. In Chapter 2, a low-cost and high resolution capacitive-to-digital converter integrated circuit is used for droplet position detection. A field-programmable gate array FPGA is used as the integrated logic hub of the system for highly reliable and efficient control of the circuit. In this chapter a fast-fabricating PCB (printed circuit board) substrate microfluidic system is proposed. Smaller actuation threshold voltages than those previously reported are obtained. Droplets (3 µL) are actuated using 200 V, 500 Hz DC pulses. Droplet positions can …