A hospital researcher on April 19 was sentenced to 33 months in prison for conspiring to steal trade secrets from an Ohio children’s hospital to sell in China, according to the Justice Department. Zhou Yu, 51, pleaded guilty in December 2020 to stealing at least five trade secrets relating to exosome research from the Nationwide Children’s Hospital’s Research Institute in Columbus, Ohio, where he had worked for 10 years until 2017. Exosomes are small sacs of fluid released from cells that have increasingly been used in the research, identification, and treatment of a range of diseases, including liver fibrosis and liver cancer. Zhou’s co-conspirator was his wife, Chen Li, 48, who also worked as a researcher at another lab in the institute. She was sentenced in February to 30 months in prison for her role in the scheme after also pleading guilty. “Zhou and his wife executed a scheme over the …