ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,281, issued on March 31, was assigned to CURIOX BIOSYSTEMS PTE LTD. (Singapore).

"Methods, devices, and apparatus for washing samples on array plates" was invented by Kong Leong Cheng (Singapore) and Namyong Kim (Goyang, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for washing particles includes obtaining an array plate that includes an array of hydrophilic areas surrounded by one or more hydrophobic areas. A respective solution containing a sample is located on a respective hydrophilic area of the array of hydrophilic areas. The respective hydrophilic area includes one or more indentations from a respective surrounding hydro...