期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS
卷 -, 期 -, 页码 -出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.estlett.2c00530
关键词
per-and polyfluoroalkyl substances; PFAS; machine learning; bioactivity; semi-supervised learning
资金
- National Science Foundation [CHE-1808242]
The study utilizes machine learning models to predict the bioactivities of PFASs in human biological targets, providing insights into the structure-activity relationships of PFASs.
Many per-and polyfluoroalkyl substances (PFASs) pose significant health hazards due to their bioactive and persistent bioaccumulative properties. However, assessing the bioactivities of PFASs is both time-consuming and costly due to the sheer number and expense of in vivo and in vitro biological experiments. To this end, we harnessed new unsupervised/semisupervised machine learning models to automatically predict bioactivities of PFASs in various human biological targets, including enzymes, genes, proteins, and cell lines. Our semi-supervised metric learning models were used to predict the bioactivity of PFASs found in the recent Organisation of Economic Cooperation and Development (OECD) report list, which contains 4730 PFASs used in a broad range of industries and consumers. Our work provides the first semi-supervised machine learning study of structure-activity relationships for predicting possible bioactivities in a variety of PFAS species.
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