ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,562, issued on June 30, was assigned to Purdue Research Foundation (West Lafayette, Ind.).

"Molecular tetrahedron nanocage, its preparation, and uses thereof" was invented by Severin T. Schneebeli (West Lafayette, Ind.), Jianing Li (West Lafayette, Ind.) and Mona Sharafi (Winooski, Vt.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application is directed to a nanocage of Formula (I): wherein A and R are as described herein. The present application is also directed to a process for preparation of a nanocage of Formula (I). Methods of utilizing the nanocage for detecting an analyte in a fluid and for functionalizing a polymer are also des...