ALEXANDRIA, Va., April 2 -- United States Patent no. 12,263,005, issued on April 1, was assigned to Trustees of Tufts College (Medford, Mass.).

"Dual-slope method for enhanced depth sensitivity in diffuse optical spectroscopy" was invented by Sergio Fantini (Winchester, Mass.), Angelo Sassaroli (Arlington, Mass.) and Giles Blaney (Somerville, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for earning out near-infrared spectroscopy using intensity-modulated near-infrared radiation or pulsed near-infrared radiation includes sources and detectors. For each source, there exists first and second distances. The first distance is a distance between the source and a first detector. The second dist...