MediaScout^® ResiQuot
(pat. pending)

MediaScout^® ResiQuot
is a vacuum manifold device for the accurate and reproducible preparation of aliquots from solids of suspensions, e.g. from chromatography media, into any kind of 96-well micro plates.
Subsequently, these are used in experimental determination of chromatographic parameters in batch mode and other applications

MediaScout^® ResiQuot
Functions with very small amounts of chromatography media or other solids available in a suspended form.
Today the smallest useful sizes of aliquots contain a volume of as little as 7.8 μl ± 0.3 μl, other available volumes are 20.8 and 50.9 μl
Aliquot preparation using pipettes does not generally allow such a high accuracy, except when strongly diluted suspensions are used. The latter method is associated with additional time consuming procedures to remove the residual liquid after aliquotation.
Materials displaying a tendency to stick to surfaces or settling rapid are particularly unpleasant and unreliably pipetted, even from strongly diluted suspensions.

The functional principle of the MediaScout^® ResiQuot, is to aspirate the solid particles from a homogeneous suspension in a well defined manner into the 96 cylindrical holes of a several millimetre thick metal plate the so-called "perforated plaque plate".
Subsequently small cylinders of aspirated solids are released from these holes by the aid of a pusher tool. This tool from metal comprises 96 cylindrical spikes corresponding to the holes in the plaque plate and pushes the aliquots right into the 96 wells of the microplate placed underneath. Excess solids remaining in the holes of the upper part of the device which can be retrieved similarly and instantly used for the preparation of more aliquots.

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