主要研究领域：

污水流行病学

微量污染物排放、环境行为、归趋

污染物暴露与健康风险评价

代表性研究项目：

1. 中国科协青年人才托举工程项目，主持

2. 国家自然科学基金面上项目，基于污水流行病学的城市人群对羟基苯甲酸酯暴露水平及其健康风险，主持

3. 国家自然科学基金青年科学基金项目，典型城市生活污水和地表水中常见新精神活性物质的时空演变特征，主持

4. 第二次青藏高原综合科学考察研究，子子专题：青藏高原典型区域水蚀、风蚀区土壤重金属背景调查，主持

5. 北京师范大学青年基金项目，北京市水环境中典型新精神活性物质的时空演变特征，主持

代表性论文：

1. Zhenglu Wang, Min Cai, Peng Du^*, Xiqing Li, 2024. Wastewater surveillance for antibiotics and resistance genes in a river catchment: Spatiotemporal variations and the main drivers. Water Research, 251: 121090.

2. Xiaozhe Luo, Sheng Han, Yue Wang, Peng Du^*, Xiqing Li, Phong K. Thai, 2024. Significant differences in usage of antibiotics in three Chinese cities measured by wastewater-based epidemiology. Water Research, 254: 121335.

3.  Peng Du, Kaiyang Li, Jing Li, Zeqiong Xu, Xiaofang Fu, Jun Yang, Huafang Zhang, Xiqing Li^*, 2015. Methamphetamine and ketamine use in major Chinese cities, a nationwide reconnaissance through sewage-based epidemiology. Water Research, 84: 76-84.

4. Lingrong Zhang, Peng Du^*, Qiuda Zheng, Menglin Zhao, Ruyue Zhang, Zhenglu Wang, Zeqiong Xu, Xiqing Li, Phong K. Thai, 2025. Exposure to smoking and greenspace are associated with allergy medicine use–A study of wastewater in 28 cities of China. Environment International, 196: 109291.

5. Peng Du, Qiuda Zheng, Kevin V. Thomas, Xiqing Li, Phong K. Thai^*, 2020. A revised excretion factor for estimating ketamine consumption by wastewater-based epidemiology – Utilising wastewater and seizure data. Environment International, 138: 105645.

6. Jianfa Gao, Qiuda Zheng, Foon Yin Lai, Coral Gartner, Peng Du^*, Yuan Reng^*, Xiqing Li, Degao Wang, Jochen F. Mueller, Phong K. Thai, 2020. Using wastewater-based epidemiology to estimate consumption of alcohol and nicotine in major cities of China in 2014 and 2016. Environment International, 136: 105492.

7. Qiuda Zheng, Peng Du^*, Zhe Wang, Lingrong Zhang, Zhu Zhu, Jingjing Huang, Zhenglu Wang, Wayne Hall, Anh Kim Dang, Degao Wang, Xiqing Li, Phong K. Thai, 2023. Nation-Wide Wastewater-Based Epidemiology Assessment of Metformin Usage in China: 2014−2020. ACS ES&T Water, 3: 195-202.

8. Lingrong Zhang, Zhu Zhu, Menglin Zhao, Jia He, Xuan Zhang, Fanghua Hao, Peng Du^*, 2023. Occurrence, removal, emission and environment risk of 32 antibiotics and metabolites in wastewater treatment plants in Wuhu, China. Science of the Total Environment, 899: 165681.

9. Peng Du, Zilei Zhou, Hongmei Huang, Sheng Han, Zeqiong Xu, Ya Bai, Xiqing Li^*, 2018. Estimating population exposure to phthalate esters in major Chinese cities through wastewater-based epidemiology. Science of the Total Environment, 643: 1602-1609.

10. Peng Du, Zilei Zhou, Ya Bai, Zeqiong Xu, Tingting Gao, Xiaofang Fu, Xiqing Li^*, 2017. Estimating heroin abuse in major Chinese cities through wastewater-based epidemiology. Science of the Total Environment, 605-606: 158-165.

专著：

Xiqing Li, Peng Du, Wei Zhang, Application of Wastewater-Based Epidemiology in China—From Wastewater Monitoring to Drug Control Efforts, Wastewater-Based Epidemiology: Estimation of Community Consumption of Drugs and Diets. American Chemical Society, Washington, D.C., 2019.