ALEXANDRIA, Va., July 30 -- United States Patent no. 12,374,538, issued on July 29, was assigned to Purdue Research Foundation (West Lafayette, Ind.).

"Systems and methods for quantifying an analyte extracted from a sample" was invented by Zheng Ouyang (West Lafayette, Ind.), Yue Ren (West Lafayette, Ind.) and Ziqing Lin (West Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention generally relates to systems and methods for quantifying an analyte extracted from a sample. In certain embodiments, the invention provides methods that involve introducing a solvent into a capillary, introducing the capillary into a vessel including a sample such that a portion of the sample is introduced int...