Magnetic separation assembly and method

A magnetic separation assembly comprising:

• a removable, invertible specimen rack having an upper plate and a spaced apart lower plate, each plate having at least one aperture of different sizes located therethrough and a slot extending vertically therethrough, said rack further including at least one vertical member extending between said plates and connecting said plates together;
• and
• a magnetic support member having a base and a vertical member extending therefrom and having a plurality of magnets embedded therein such that said vertical member of said support member fits in said slot of said rack so that, in one position, said rack is positioned on said support member whereby at least one container having magnetically responsive particles in a non-magnetic media is held by said at least one aperture in said rack adjacent to said magnet support member thereby allowing the magnetically responsive complex to be separated from the non-magnetic media and, in a second inverted position, said rack is positioned on said support member whereby at least one other container of a different size having magnetically responsive complex in a non-magnetic media is held by said at least one other aperture in said rack adjacent to said magnetic support member thereby allowing the magnetically responsive complex to be separated from the non-magnetic media.