Journal
JOURNAL OF HAZARDOUS MATERIALS
Volume 299, Issue -, Pages 260-279Publisher
ELSEVIER
DOI: 10.1016/j.jhazmat.2015.06.054
Keywords
Disinfection byproduct; QSAR/QSPR/QSTR/LFER; Descriptor filtration; Algorithm selection; Model validation
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Funding
- National Natural Science Foundation of China [51278144]
- Shenzhen Science & Technology RD Funding [JCYJ20120613150442560]
- [KQCX20130627094615414]
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Quantitative structure-activity relationship (QSAR) models are tools for linking chemical activities with molecular structures and compositions. Due to the concern about the proliferating number of disinfection byproducts (DBPs) in water and the associated financial and technical burden, researchers have recently begun to develop QSAR models to investigate the toxicity, formation, property, and removal of DBPs. However, there are no standard procedures or best practices regarding how to develop QSAR models, which potentially limit their wide acceptance. In order to facilitate more frequent use of QSAR models in future DBP research, this article reviews the processes required for QSAR model development, summarizes recent trends in QSAR-DBP studies, and shares some important resources for QSAR development (e.g., free databases and QSAR programs). The paper follows the four steps of QSAR model development, i.e., data collection, descriptor filtration, algorithm selection, and model validation; and finishes by highlighting several research needs. Because QSAR models may have an important role in progressing our understanding of DBP issues, it is hoped that this paper will encourage their future use for this application. (C) 2015 Elsevier B.V. All rights reserved.
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