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• W4297989400 abstract "Abstract MF-LOGP, a new method for determining a single component octanol-water partition coefficients LogP is presented which uses molecular formula as the only input. Octanol-water partition coefficients are useful in many applications, ranging from environmental fate and drug delivery. Currently, partition coefficients are either experimentally measured or predicted as a function of structural fragments, topological descriptors, or thermodynamic properties known or calculated from precise molecular structures. The MF-LOGP method presented here differs from classical methods as it does not require any structural information and uses molecular formula as the sole model input. MF-LOGP is therefore useful for situations in which the structure is unknown or where the use of a low dimensional, easily automatable, and computationally inexpensive calculations is required. MF-LOGP is a random forest algorithm that is trained and tested on 15,420 data points, using 10 features derived from the molecular formula to make LogP predictions. Using an independent validation set of 2,722 data points, MF-LOGP was found to have an average RMSE = 0.77 ± 0.007, MAE = 0.52 ± 0.003, and R 2 = 0.83 ± 0.003. This performance fell within the spectrum of performances reported in the published literature for conventional higher dimensional models RMSE = 0.42–1.54, MAE = 0.09–1.07, and R 2 = 0.32–0.95). Compared with existing models, MF-LOGP requires a maximum of ten features and no structural information, thereby providing a practical and yet predictive tool. The development of MF-LOGP provides the groundwork for development of more physical prediction models leveraging big data analytical methods or complex multicomponent mixtures." @default.
• W4297989400 created "2022-10-01" @default.
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• W4297989400 date "2022-09-29" @default.
• W4297989400 modified "2023-10-18" @default.
• W4297989400 title "Dimensionally Reduced Machine Learning Model for Predicting Single Component Octanol-Water Partition Coefficients" @default.
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• W4297989400 doi "https://doi.org/10.21203/rs.3.rs-2106077/v1" @default.
• W4297989400 hasPublicationYear "2022" @default.
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