ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,366, issued on Oct. 21, was assigned to KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS (Dhahran, Saudi Arabia).

"Surface-enhanced Raman spectroscopic method of detecting an anti-cancer drug in a solution" was invented by Nasurullah Mahar (Dhahran, Saudi Arabia), Amir Al-Ahmed (Dhahran, Saudi Arabia) and Abdulaziz Abdulrahman Al-Saadi (Dhahran, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of detecting an anti-cancer drug in a solution including contacting a substrate with the solution and measuring a Raman signal of the anti-cancer drug in the solution. The substrate includes a layer of a nanomaterial that is at least partiall...