1. Xinyi Niu, Yichen Wang, Hsiao-Chi Chuang, Zhenxing Shen, Jian Sun, Junji Cao, Kin Fai Ho. Real-time chemical composition of ambient fine aerosols and related cytotoxic effects in human lung epithelial cells in an urban area. Environmental Research, 2022, 209, 112792.

2. Xinyi Niu, Tim Jones, Kelly BéruBé, Hsiao-Chi Chuang, Jian Sun, Kin Fai Ho. The oxidative capacity of indoor source combustion derived particulate matter and resulting respiratory toxicity. Science of the Total Environment, 2021, 767, 144391.

3. Xinyi Niu, Yichen Wang, Steven Sai Hang Ho, Hsiao-Chi Chuang, Jian Sun, Linli Qu, Gehui Wang, Kin Fai Ho*. Characterization of organic aerosols in PM1 and their cytotoxicity in an urban roadside area in Hong Kong. Chemosphere, 2021, 263, 128239. 

4.Xinyi Niu, Jianjun Li, Qiyuan Wang, Steven Sai Hang Ho, Jian Sun, Li Li, Junji Cao, Kin Fai Ho*. Characteristics of fresh and aged volatile organic compounds from open burning of crop residues. Science of the Total Environment, 2020, 726, 138545. 
5. Xinyi Niu, Hsiao-Chi Chuang, Xiaoliang Wang, Steven Sai Hang Ho, Lijuan Li, Linli Qu, Judith C. Chow, John G. Watson, Jian Sun, Shuncheng Lee, Junji Cao, Kin Fai Ho*. Cytotoxicity of PM2.5 vehicular emissions in the Shing Mun Tunnel, Hong Kong. Environmental Pollution, 2020, 236, 114386.
6. Xinyi Niu, Kin Fai Ho*, Hsiao-Chi Chuang, Jian Sun, Yu Huang, Tafeng Hu, Hongmei Xu, Jing Duan, Ka Hei Lui, Junji Cao*. Comparison of cytotoxicity induced by PM2.5-bound polycyclic aromatic compounds from different environments in Xi'an, China. Atmospheric Environment, 2019, 216, 116929. 
7. Xinyi Niu, Steven Sai Hang Ho, Kin Fai Ho, Yu Huang, Jian Sun, Qiyuan Wang, Yaqing Zhou, Zhuzi Zhao, Junji Cao*. Atmospheric levels and cytotoxicity of polycyclic aromatic hydrocarbons (PAHs) and oxygenated-PAHs (OPAHs) in PM2.5 in Beijing-Tianjin-Hebei region. Environmental Pollution, 2017, 231: 1075-1084. 
8. Xinyi Niu, Steven Sai Hang Ho, Kin Fai Ho, Yu Huang*, Junji Cao*, Zhenxing Shen, Jian Sun, Xiumei Wang, Yu Wang, Shuncheng Lee, Runjin Huang. Indoor secondary organic aerosols formation from ozonolysis of monoterpene: An example of D-limonene with ammonia and potential impacts on pulmonary inflammations. Science of the Total Environment, 2017, 579: 212-220. 
9. Xinyi Niu, Junji Cao*, Zhenxing Shen, Steven Sai Hang Ho, Xuexi Tie, Shuyu Zhao, Hongmei Xu, Ting Zhang, Rujin Huang. PM2.5 from the Guanzhong Plain: Chemical composition and implications for emission reductions. Atmospheric Environment, 2016, 147: 458-469. 
10. Xinyi Niu, Yu Huang*, Shun Cheng Lee, Jian Sun, Kin Fai Ho*. Surface characterization of secondary organic aerosols from ozonolysis of monoterpene and the effects of acute lung injury in mice. Aerosol and Air Quality Research, 2020, 20, 1676-1685.
11. Xinyi Niu, Kin Fai Ho*, Tafeng Hu, Jian Sun, Jing Duan, Yu Huang, Ka Hei Lui, Junji Cao*. Characterization of chemical components and cytotoxicity effects of indoor and outdoor fine particulate matter (PM2.5) in Xi’an, China. Environmental Science and Pollution Research, 2019, 26, 31913–31923. 
12. Xinyi Niu, Benjamin Guinot, Junji Cao*, Hongmei Xu, Jian Sun. Particle size distribution and air pollution patterns in three urban environments in Xi’an, China. Environmental Geochemistry and Health, 2015, 37(5): 801-812. 
13. Jinhui Wang, Xinyi Niu*, Jian Sun, Yue Zhang, Tian Zhang, Zhenxing Shen, Qian Zhang, Hongmei Xu, Xuxiang Li, Renjian Zhang*. Source profiles of PM2.5 emitted from four typical open burning sources and its cytotoxicity to vascular smooth muscle cells.  Science of the Total Environment, 2020, 715, 136949. 
14. Wenqi Li, Xinyi Niu, Jinjin Yu, Xin Xiao, Lulu Zang, Jinmeng Zhao, Qiuxia Huang, Weifeng Li*. Imperatorin alleviates the abnormal proliferation, migration, and foaming of ox-LDL-induced VSMCs through regulating PI3K/Akt/mTOR signaling pathway. Journal of Functional Foods, 2020, 70, 103982. 
15. Jinmeng Zhao, Xinyi Niu, Jinjin Yu, Xin Xiao, Wenqi Li, Lulu Zang, Zhen Hu, Paul Siu-Po IP*, Weifeng Li*. Poria cocos polysaccharides attenuated ox-LDL-induced inflammation and oxidative stress via ERK activated Nrf2/HO-1 signaling pathway and inhibited foam cell formation in VSMCs. International Immunopharmacology, 2020, 80, 106173.