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Gel electrophoresis is a standard laboratory procedure that is indispensable for nucleic acid visualization and purification.

Samples are loaded onto a rigid polysaccharide gel, then subjected to an electric field. This induces migration towards the anode due to the negative charge of the nucleic acids, separating the individual components by size and/or conformation. Typically, samples from 96 well plates or PCR strips are loaded onto agarose gels using a single channel pipette. Multichannel pipettes with fixed tip spacing cannot be used, because the spacing of the gel wells is usually different from the 9 mm spacing of well plates and PCR strips.

This application note from Integra Biosciences explains how the Voyager electronic adjustable tip spacing pipette offers one-handed operation and automatic adjustment of tip spacing to enable aspiration and dispensing of samples from well plates or PCR strips into the pockets of an agarose gel, allowing for multiple samples to be transferred simultaneously.

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