ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,547, issued on July 29, was assigned to The Trustees of the University of Pennsylvania (Philadelphia).

"Magnetic separation filters for microfluidic devices" was invented by David Aaron Issadore (Philadelphia) and Melaku Muluneh Woldemariam (Philadelphia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A magnetic separation device has a membrane having a plurality of pores, a magnetically soft material layer disposed on the membrane, and a passivation layer disposed on the magnetically soft material layer. The magnetic separation device may be part of a microfluidic device having a lateral flow channel and a vertical flow magnetic separation filter. T...