ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,542, issued on July 21, was assigned to Fujian Agriculture and Forestry University (Fuzhou, China).

"Nanoflower immunochromatographic strip for detecting heavy metal mercury ions and use thereof" was invented by Shihua Wang (Fuzhou, China), Mingke Dong (Fuzhou, China), Sumei Ling (Fuzhou, China), Rongzhi Wang (Fuzhou, China), Kunzhi Jia (Fuzhou, China), Jingjing Lin (Fuzhou, China), Yang Xu (Fuzhou, China), Aidi Xu (Fuzhou, China) and Menghao Wan (Fuzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nanoflower immunochromatographic strip for detecting heavy metal mercury ions is provided. The nanoflower immunochromatographic strip includes...