Allen H J Yang

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We report the first use of ultrasonic acoustophoresis for the label-free separation of viable and nonviable mammalian cells within a microfluidic device. Cells that have undergone apoptosis are physically smaller than viable cells, and our device exploits this fact to achieve efficient sorting based on the strong size dependence of acoustic radiation forces(More)
We report a temperature-controlled microfluidic acoustophoresis device capable of separating particles and transferring blood cells from undiluted whole human blood at a volume throughput greater than 1 L h−1. The device is fabricated from glass substrates and polymer sheets in microscope-slide format using low-cost, rapid-prototyping techniques. This(More)
We report the first electrochemical system for the detection of single-nucleotide polymorphisms (SNPs) that can accurately discriminate homozygous and heterozygous genotypes using microfluidics technology. To achieve this, our system performs real-time melting-curve analysis of surface-immobilized hybridization probes. As an example, we used our sensor to(More)
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