초록

Magnetic separation devices are described for use in immunoassay or hybridization assay procedures. The most preferred embodiments comprise a defined relationship between microtube and microtiter plate receiving orifices and rare earth cobalt magnets having predetermined magnetic field orientations.

대표청구항 ▼

A magnetic separation apparatus for use in assays employing solid phases comprising magnetic particles, said apparatus comprising: (a) base means having a plurality of orifices for receiving nonferrous containers adapted to contain said magnetic particles; and (b) a plurality of magnet means mounted

A magnetic separation apparatus for use in assays employing solid phases comprising magnetic particles, said apparatus comprising: (a) base means having a plurality of orifices for receiving nonferrous containers adapted to contain said magnetic particles; and (b) a plurality of magnet means mounted on said base and spaced about the periphery of each receiving orifice wherein each of said magnet means possess a north-south magnetic field orientation in a direction which is coplanar with a cross-sectional plane through said receiving orifices and wherein each of said north-south magnetic fields of said magnet means are oriented in a common direction and wherein said magnet means are mounted in a fixed relation with respect to themselves and to said base whereby each nonferrous container, when placed in receiving relationship with each of said orifices, has four magnet means about its periphery.