ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,493, issued on Feb. 18, was assigned to MICROX LABS INC. (Wilmington, Del.).

"Microfluidic impedance cytometry apparatus" was invented by Usama Ahmed Abbasi (Bengaluru, India), Nitin C M (Bangalore North, India), Sushant Kumar (Bangalore North, India) and Prakhar Jain (Bhilai, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic impedance cytometry apparatus, for position determination and impedance measurement of particle/s in a fluid carrying particles, comprising: a microfluidic impedance flow channel for allowing flow of said fluid; an upstream section; a downstream section; a sensing region to receive said channeled fluid, to sen...