Patent ID: 9663780
Date: 2017-05-30
CPC Classifications: B01L,B03C,C12N,C12Q,G01N,H01F

Claim:
1. A magnet for use in isolating macromolecules from a mixture when the macromolecules adhere to paramagnetic beads to form a complex, wherein the magnet comprises: a. a solid core having an inner mass of the magnet; b. a top surface, wherein the top surface is at a first outer side of the magnet; c. a bottom surface, wherein the bottom surface is at a second outer side of the magnet substantially opposite from the top surface; d. one or more cavities extending from the top surface, the bottom surface, or both toward the solid core; wherein the one or more cavities each have a cavity wall and a portion of the cavity wall forms a ring shape; e. at least one side wall, wherein the side wall is in communication with the top surface and the bottom surface.