ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,340, issued on Oct. 21, was assigned to GUANGDONG PHOBIOLOGY TECH Co. LTD (Shenzhen, China).

"Isobaric stable isotope-containing phosphorylated protein labeling reagent, and preparation method and application thereof" was invented by Xiang Gao (Xiamen, China), Xiaoyu Wang (Xiamen, China), Chengting Huang (Xiamen, China) and Yufen Zhao (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An isobaric stable isotope-containing phosphorylated protein labeling reagent, and a preparation method and application thereof are provided. The protein labeling reagent is a phosphorylated dipeptide organophosphorus reagent labeled by a stable isotope such...