ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,578, issued on July 22, was assigned to SIRIGEN II Ltd. (Workingham, Great Britain).

"Fluorescent methods and materials for directed biomarker signal amplification" was invented by Brent S. Gaylord (San Diego), Janice W. Hong (San Diego), Tsu-Ju Fu (Poway, Calif.), Chengjun Sun (Goleta, Calif.) and Russell A. Baldocchi (Encinitas, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and compositions are provided that include a multichromophore and/or multichromophore complex for identifying a target biomolecule. A sensor biomolecule, for example, an antibody can be covalently linked to the multichromophore. Additionally, a signaling chromop...