ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,665, issued on Sept. 30, was assigned to QIAGEN GmbH (Hilden, Switzerland).

"Device and method for immobilising biomolecules using magnetic particles" was invented by Hans-Jurgen Tiedtke (Bonn, Germany), Harald Quintel (Steckborn, Switzerland) and Konstantin Lutze (Uerikon, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for the reversible immobilization of biomolecules by magnetic particles includes a container. The container is configured to be filled with a liquid containing biomolecules and a magnet. The magnet is arranged on the container in such a way that magnetic particles arranged in the container and to which the biomo...