G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/40 (2006.01) B01D 21/00 (2006.01) G01N 33/02 (2006.01)
Patent
CA 2690453
A system for concentrating magnetic particles suspended in a fluid comprising a vessel for containing said fluid having an inner base surface that slopes downwards towards a collection region, the collection region including a retrieval well for collecting magnetic particles; a magnet assembly for positioning under and in proximity with the vessel for attracting magnetic particles to the bottom surface of the vessel, said magnet assembly providing a relatively larger magnetic flux density at a peripheral region thereof; means for laterally traversing the magnet assembly relative to the vessel between a first position whereby the magnet is generally centered under the vessel and a second position whereby the peripheral portion of the magnet is positioned under the well of the vessel; and agitation means for agitating said vessel to facilitate movement of the magnetic particles to the well, where the concentrated particles can be easily removed. The system facilitates analysis of relatively large volume samples.
Bitner Ronald G.
Sharpe Anthony N.
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