（1） Development of online ultra-high sensitivity mass spectrometry and hyphenated mass spectrometry techniques.
（2）Applications of online mass spectrometry in reaction process monitoring, environment detection and clinical diagnosis.
[1] Mei Li, Shuang Wang, Chuting Xu, Huiwen Ruan, Weiguo Wang, Chuang Chen ,Haiyang Li*, Parallel coupling of ion mobility spectrometry and ion trap mass spectrometry for the real-time alarm triggering and identification of hazardous chemical leakages, Analytical Chemistry, 22021(93)11852-11858 [2] Ningbo Wan, Jichun Jiang, Fan hu, Ping Chen，Kaixin Zhu, Dehui Deng, Yuanyuan Xie, Chenxin Wu, Lei Hua, Haiyang Li*, Nonuniform Electric Field-Enhanced In-Source Declustering in High-Pressure Photoionization/Photoionization-Induced Chemical Ionization Mass Spectrometry for Operando Catalytic Reaction Monitoring, Analytical Chemistry, 2021(93)2207-2214 [3] Chuting Xu, Huiwen Ruan, Weiguo Wang, Haiyang Li*, Triboionization in Discontinuous Atmospheric Pressure Inlet for a Miniature Ion Trap Mass Spectrometer, Analytical Chemistry, 2021.(93), 15897–15904 [4] Yao Xiao, Hang Li, Yan Liu, Chuang Chen, Huaiwen Cang, Mei Li, Yiqian Xu, Qimu Yang, Xin Wang, Haiyang Li*, Rapid Quantitative Determination of Blood Propofol Concentration throughout Perioperative Period by Negative Photoionization Ion Mobility Spectrometer with Solvent-assisted Neutral Desorption, Analytica Chimica Acta, 2021(1142)118-126 [5] Dandan Jiang, Chuang Chen, Weimin Wang, Weiguo Wang, Mei Li, Xin Wang, Pingyi Liu, Enyou Li, Haiyang Li*, Breath-by-breath measurement of intraoperative propofol by unidirectional anisole-assisted photoionization ion mobility spectrometry via real-time correction of humidity, Analytica Chimica Acta, 2021(1150) 338223-338223
