ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,492, issued on Jan. 27, was assigned to Purdue Research Foundation (West Lafayette, Ind.).

"Mass spectral tissue analysis" was invented by Robert Graham Cooks (West Lafayette, Ind.), Livia Schiavinato Eberlin (Lafayette, Ind.), Christina Ramires Ferreira (West Lafayette, Ind.), Allison Lisa Dill (Indianapolis) and Demian R. Ifa (West Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention generally relates to mass spectral analysis. In certain embodiments, methods of the invention involve analyzing a lipid containing sample using a mass spectrometry technique, in which the technique utilizes a liquid phase that does not destroy ...