LLS – Liquid Level Sensing methods in qPCR set-up

ABSTRACT

One of the main goals of all liquid level sensing techniques in automated pipetting systems is to obtain most precise control over actual pipetting performance, which largely depends on ensuring optimum liquid level (meniscus) in the well and precise immersion of the pipette tip in the liquid.

Various techniques for liquid level sensing are reported in literature. All of them have some advantages and limitations. Some of the techniques are used for checking the proper setup of a workstation deck prior to starting a run. Other so-called ‘real time’ level sensing devices are able to track the meniscus in each well at every pipetting step. Real time level sensing systems give the additional benefit of being able to monitor the whole pipetting procedure and provide for a consistently pipetting protocol after each run.

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Supplier: DORNIER-LTF GmbH
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