ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,919, issued on June 9, was assigned to SUZHOU BASECARE MEDICAL DEVICE Co. LTD (Suzhou, China).

"Nucleic acid library construction method and application thereof in analysis of abnormal chromosome structure in preimplantation embryo" was invented by Dingding Zhao (Suzhou, China), Yan Mao (Suzhou, China), Lingyin Kong (Suzhou, China) and Bo Liang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a nucleic acid library construction method and an application thereof in the analysis of an abnormal chromosomal structure of a preimplantation embryo. Enzymatic cleavage is performed by means of combining a first endonuclease and a sec...