Deep learning meets quantitative structure–activity relationship (QSAR) for leveraging structure-based prediction of solute rejection in organic solvent nanofiltration
KAUST DepartmentChemical Engineering Program
Physical Science and Engineering (PSE) Division
Advanced Membranes and Porous Materials Research Center
Embargo End Date2024-01-01
Permanent link to this recordhttp://hdl.handle.net/10754/674919
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AbstractMethods for determining solute rejection in organic solvent nanofiltration (OSN) are time-consuming and expensive and still rely on wet-lab measurements, resulting in the slow development of membrane processes. OSN, similar to other membrane technologies, requires precise and comprehensive predictive models that can function on various solutes, membranes, and solvents. We present two prediction methods based on the quantitative structure–activity relationship (QSAR) using traditional machine learning (ML) and deep learning (DL) models. The partial least-squares regression model combined with the variable importance in projection and genetic algorithm achieves a slightly lower root-mean-square error score (8.04) than the DL-based graph neural network (10.40). For the first time, we visualize the effect of different solute functional groups on rejection, providing a new platform for a more in-depth investigation into the membrane–solute interactions, potentially enabling the design of membranes with improved selectivity. Our ML model is freely accessible on the OSN database website (www.osndatabase.com) for everyone.
CitationIgnacz, G., & Szekely, G. (2022). Deep learning meets quantitative structure–activity relationship (QSAR) for leveraging structure-based prediction of solute rejection in organic solvent nanofiltration. Journal of Membrane Science, 120268. doi:10.1016/j.memsci.2022.120268
SponsorsThe research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).
JournalJournal of Membrane Science