Suction Microplate Bead Loader

The Suction-type 96-well Microplate Bead Microplate Loader consists of three components: a polycarbonate/polystyrene bead-loading manifold, a hand-held, 120-volt AC vacuum unit, and a foot-operated on/off switch.

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Of the three 96-well, deep-well microplate bead loaders BioSpec Products offers, the Suction-type 96-deep-well Microplate Bead Loader operates the fastest.  Beads load into 96-deep-well microplates at a rate of about 10 microplates per minute. It delivers 0.4 ml of beads to each well and is compatible with all brands of 96-well, deep-well microplate.

The Suction-type 96-deep well Microplate Bead Loader works by vacuuming up 0.4 milliliters of 0.1 mm to 1.0 mm diameter spherical ceramic beads (glass, zirconia/silica, or zirconia) into a 96-nozzle manifold where they are retained by suction against internal stainless steel screens.  Still under suction, the loader is moved to the "receiving" 96-deep-well microplate, and the foot switch to the suction unit is turned off.  No longer under suction, the beads are released and drop into the receiving microplate. If additional beads are required in the microplate wells, the loading process is repeated.

Limitations. The loader is limited to loading spherical glass or ceramic beads -- not irregularly shaped particles, heavier steel beads, or non-beads, such as seeds and pourable chemicals.  Beads greater than 1.0 mm in diameter are too large and clog the nozzles, metal beads are too heavy to be drawn up by suction into the manifold nozzles, and irregularly shaped "beads" such as silicon-carbide, granite particles, and seeds get stuck inside the nozzles.  These bead size and shape limitations do not exist with our Flip and Fill Bead Loader and the "Labtie" Gravity Bead Loader, but microvial loading rates are slower.

The Microplate Bead Loader can be decontaminated with 10% household bleach, isopropanol, ultraviolet light, or ozone.  Do not autoclave.


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