ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,606, issued on Jan. 13, was assigned to Riken (Wako, Japan).

"Method for detecting target substance, fluid device, and kit" was invented by Rikiya Watanabe (Wako, Japan), Asami Makino (Wako, Japan) and Hajime Shinoda (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting a target substance in a sample includes a step of introducing the sample and a reagent that generates a fluorescent substance in a presence of the target substance into each well of a well array; a step of sealing each well of the well array with a sealing liquid such that each well forms an independent reaction space; a step of replacing the sealing liqu...