Method for aspirating sample liquid into a dispenser tip and the

Measuring and testing – Sampler – sample handling – etc. – Capture device

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7386422, 436180, B01L 302, B67D 508

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active

060792833

ABSTRACT:
A low volume liquid handling system is described which includes a microdispenser employing a piezoelectric transducer attached to a glass capillary, a positive displacement pump for priming and aspirating liquid into the microdispenser, controlling the pressure of the liquid system, and washing the microdispenser between liquid transfers, and a pressure sensor to measure the liquid system pressure and produce a corresponding electrical signal. The pressure signal is used to verify and quantify the microvolume dispensed and is used to perform automated calibration and diagnostics on the microdispenser.

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