"Suction" Microplate Bead Loader
Of the three bead loaders we offer the Suction-type 96-well, deep well Microplate Bead Loader is the fastest. Beads are loaded into 96 deep well microplates at a rate of about 10 microplates per minute. It is limited to loading sherical glass or ceramic beads only (i.e., not irregularly shaped particles or steel beads). The loader delivers a 0.4 ml load of beads to each well and is compatible with all 96-well, deep well microplates. Included is a 96-nozzle loading manifold, a hand held 110 VAC electrical suction unit and an on/off foot switch.
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The Suction-type 96-well Microplate Bead Loader works by vacuuming up 0.4 milliliter of 0.1 to 1.0 mm diameter spherical ceramic beads (glass, zirconia/silica, or zirconia) into a 96 nozzel manifold where they are retained, under suction, against stainless steel screens. Still under suction, the loader is transfered over to a "receiving" 96-deep-well microplate and the suction unit is turned off with a foot switch. No longer under suction, the beads drop into the receiving microplate. Typically, the process of loading a microplate only takes a few seconds and if additional beads are required per microplate well, the process is repeated.
Some beads are not compatible with this loader: Beads greater than 1.0 mm in diameter are too large and clog the nozzles, metal beads are too heavy to be drawn up into the nozzels and irregularly shaped "beads" such as silicon-carbide or granet particles get stuck inside the nozzles. These bead limitations do not exist with our Flip and Fill Bead Loader and the "Labtie" Gravity Bead Loader, but their loading rates (number of microplates loaded per minute) are considerably slower.
The Suction-type Microplate Bead Loader includes an autoclavable polycarbonate bead-loading manifold, a hand-held 115V AC vacuum unit and an on/off foot switch.