US Patent Issued to Northwestern University on Nov. 11 for "Treated dried blood sample for detection of heavy metals in dried blood" (Illinois Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,915, issued on Nov. 11, was assigned to Northwestern University (Evanston, Ill.).

"Treated dried blood sample for detection of heavy metals in dried blood" was invented by William E. Funk (Evanston, Ill.) and Thomas McDade (Evanston, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides methods, compositions, kits, and devices for detecting heavy metals in dried blood (e.g., dried blood spots). For example, the present invention provides: 1) dried blood spot paper that is detectably free of heavy metals and methods of preparing such paper using organic acid; 2) dried blood extraction solutions optimized for heavy metal d...