Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models

Abstract In order to provide the facilities to design the supercritical fluid (SCF) processes for micro or nanosizing of solid solute compounds such as drugs, it is essential to obtain their solubility in green solvents like pressurized CO2. This important role is the first stage for assessing each...

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Main Authors: Gholamhossein Sodeifian, Ratna Surya Alwi, Reza Derakhsheshpour, Nedasadat Saadati Ardestani
Format: Article
Language:English
Published: Nature Portfolio 2025-02-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-87383-z
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author Gholamhossein Sodeifian
Ratna Surya Alwi
Reza Derakhsheshpour
Nedasadat Saadati Ardestani
author_facet Gholamhossein Sodeifian
Ratna Surya Alwi
Reza Derakhsheshpour
Nedasadat Saadati Ardestani
author_sort Gholamhossein Sodeifian
collection DOAJ
description Abstract In order to provide the facilities to design the supercritical fluid (SCF) processes for micro or nanosizing of solid solute compounds such as drugs, it is essential to obtain their solubility in green solvents like pressurized CO2. This important role is the first stage for assessing each SCF technology. A statistical method was developed for the first time and employed to determine 5-fluorouracil (5-Fu) solubility. The measurements were performed at different pressures (120–270 bar) and temperatures (308–338 K) through UV-vis spectrophotometry, for the first time. The solubility was obtained between 0.0024 and 0.0176 g/L. The 5-Fu mole fraction at constant temperature, increases with an increase in pressure. Whereas, a crossover point has been seen. Three models with different approaches were applied to correlate and model the experimental data set: (i) seven density-based models, (ii) PR equations of state (vdW2 mixing rule), and (iii) machine learning-based models, namely non-linear regressions, Random Forest, Gradient Boosting, Decision Tree, and Kernel Ridge. All tested models successfully correlate and model the solubility data within an acceptable accuracy. Meanwhile, the empirical model suggested by Sodeifian model 2, is superior with the lowest AARD% (AARD = 4.12%). Finally, total, solvation, and vaporization enthalpies of the drug/Sc-CO2 binary system were determined using semi-empirical correlations, for the first time.
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spelling doaj-art-2812f7fe479940228231a7c3a0cb66702025-02-09T12:32:39ZengNature PortfolioScientific Reports2045-23222025-02-0115111510.1038/s41598-025-87383-zDetermination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning modelsGholamhossein Sodeifian0Ratna Surya Alwi1Reza Derakhsheshpour2Nedasadat Saadati Ardestani3Department of Chemical Engineering, Faculty of Engineering, University of KashanResearch Center for Computing, Research Organization of Electronics and Informatics, Cibinong Science Center, National Research and Innovation Agency (BRIN)Department of Chemical Engineering, Faculty of Engineering, University of KashanModeling and Simulation Centre, Faculty of Engineering, University of KashanAbstract In order to provide the facilities to design the supercritical fluid (SCF) processes for micro or nanosizing of solid solute compounds such as drugs, it is essential to obtain their solubility in green solvents like pressurized CO2. This important role is the first stage for assessing each SCF technology. A statistical method was developed for the first time and employed to determine 5-fluorouracil (5-Fu) solubility. The measurements were performed at different pressures (120–270 bar) and temperatures (308–338 K) through UV-vis spectrophotometry, for the first time. The solubility was obtained between 0.0024 and 0.0176 g/L. The 5-Fu mole fraction at constant temperature, increases with an increase in pressure. Whereas, a crossover point has been seen. Three models with different approaches were applied to correlate and model the experimental data set: (i) seven density-based models, (ii) PR equations of state (vdW2 mixing rule), and (iii) machine learning-based models, namely non-linear regressions, Random Forest, Gradient Boosting, Decision Tree, and Kernel Ridge. All tested models successfully correlate and model the solubility data within an acceptable accuracy. Meanwhile, the empirical model suggested by Sodeifian model 2, is superior with the lowest AARD% (AARD = 4.12%). Finally, total, solvation, and vaporization enthalpies of the drug/Sc-CO2 binary system were determined using semi-empirical correlations, for the first time.https://doi.org/10.1038/s41598-025-87383-z5-fluorouracil anti-cancer drugSolubilitySodeifian model 2Supercritical carbon dioxideMachine learning method
spellingShingle Gholamhossein Sodeifian
Ratna Surya Alwi
Reza Derakhsheshpour
Nedasadat Saadati Ardestani
Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models
Scientific Reports
5-fluorouracil anti-cancer drug
Solubility
Sodeifian model 2
Supercritical carbon dioxide
Machine learning method
title Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models
title_full Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models
title_fullStr Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models
title_full_unstemmed Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models
title_short Determination of 5-fluorouracil anticancer drug solubility in supercritical CO 2 using semi-empirical and machine learning models
title_sort determination of 5 fluorouracil anticancer drug solubility in supercritical co 2 using semi empirical and machine learning models
topic 5-fluorouracil anti-cancer drug
Solubility
Sodeifian model 2
Supercritical carbon dioxide
Machine learning method
url https://doi.org/10.1038/s41598-025-87383-z
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