ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,836, issued on May 5, was assigned to Revvity Health Sciences Inc. (Waltham, Mass.).

"Method and system of microfluidic immunoassay using magnetic beads" was invented by Andrew Barry (Chelmsford, Mass.), Laurel Provencher (Hopkinton, Mass.), Seth Cohen (Westford, Mass.), I-Jane Chen (Alameda, Calif.), Jun Yan (Franklin, Mass.) and Jingjing Wang (Framingham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic Western blot method and system including a microfluidic western blot method for immunoassay of proteins, the method including introducing a sample including the proteins onto a chip; electrophoretically separating the proteins; bin...