ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,215, issued on March 17, was assigned to Santa Clara University (Santa Clara, Calif.).

"Continuous microfluidic dilatometry for physical activity monitoring with ultrahigh sensitivity" was invented by Ismail Emre Araci (San Jose, Calif.) and Hudson Gasvoda (Los Gatos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Continuous microfluidic dilatometry devices and methods are provided for activity monitoring with ultra-high sensitivity. Corner flow in capillary channels is used to detect the resistance change in microfluidic circuits filled with ionic liquids. The conversion of mechanical input (e.g. strain) to an intermediary domain, namely li...