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Miniature multi-channel pipette: A high-throughput microfluidic device is developed to handle liquid dispensation in nanoliter range.The dispenser system shows no cross-contamination between the microwells, indicating its great potential in large-scale screening experiments.An array of 115 nl PCR reactions, as well as the single channel addressable chip demonstrate the high flexibility and wide applications of this novel system.It provides an inexpensive and compact solution for liquid sample distribution in the range of tens to hundreds of nanoliters.We have achieved a CV<6% for 115 nl dispensation and 3 row/s dispensation speed.