ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,049, issued on Oct. 14, was assigned to SHANGHAI ACADEMY OF LANDSCOPE ARCHITECTURE SCIENCE AND PLANNING (Shanghai).

"Method for rapidly detecting the total nitrogen content of the soil in an urban green land by using archaea molecular marker OTU300" was invented by Jigang Han (Shanghai), Lang Zhang (Shanghai), Weiwei Zhang (Shanghai) and Gangyong Zhao (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method for rapidly detecting the total nitrogen content of the soil in an urban green land by using archaea molecular marker OTU300. The present invention provides a DNA molecule (probe), as shown in SEQ ID NO.1 ...