Dr. Cheng Guo is an associate professor and graduate supervisor at Cancer Institute, the Second Affiliated Hospital of Zhejiang University School of Medicine. He is committed to the research and clinical application of nucleic acid modification and metabolomics based on mass spectrometry technology. In recent years, he has published more than 40 scientific papers in journals such as Analytical Chemistry, Journal of Hazardous Materials, Analytica Chimica Acta, Chinese Chemical Letters, Journal of Proteome Research, and Journal of the American Society for Mass Spectrometry as the first author/corresponding author, and has published many papers in journals such as Nature and JACS as a co-author. He is a senior member of the Chinese Chemical Society, a member of the Mass Spectrometry Committee, Youth Academic Committee, and Life Omics Committee of the China Association for Instrumental Analysis.