ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,741,986, issued on Sept. 22, was assigned to ARIZONA BOARD OF REGENTS ON BEHALF OF THE UNIVERSITY OF ARIZONA (Tucson, Ariz.).

"Stable reactive compositions for bioconjugation, probes, and protein labeling" was invented by John C. Jewett (Tucson, Ariz.), Garrett Davis (Tucson, Ariz.) and Holly Sofka (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Modular Meldrum's acid amine-reactive Michael acceptor (MaMa)-based molecules that are stable probes for high pH environments and bioconjugations. The molecules of the present invention can selectively label and protect lysine residues. In certain embodiments, the molecules can selectively react w...