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Journal of Supercritical Fluids
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3.48
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Papers 4840
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Published in Journal of Supercritical Fluids3.48
M. Fortunatti-Montoya (UNS: Universidad Nacional del Sur), Francisco A. Sánchez6
Estimated H-index: 6
(UNS: Universidad Nacional del Sur)
+ -3 AuthorsSelva Pereda12
Estimated H-index: 12
(UNS: Universidad Nacional del Sur)
Abstract Glycerol acetates are sustainable products that exhibit several industrial applications. These compounds are traditionally synthesized by the esterification of glycerol with acetic acid, and their fractionation is key to isolate high value-added products. The supercritical fractionation of glycerol acetates is an interesting alternative to separate efficiently these low volatile viscous mixtures at low temperatures to avoid thermal degradation. In this work, we investigate the CO2 fract...
Published in Journal of Supercritical Fluids3.48
Tássia C. Confortin3
Estimated H-index: 3
(UFSM: Universidade Federal de Santa Maria),
Izelmar Todero2
Estimated H-index: 2
(UFSM: Universidade Federal de Santa Maria)
+ -3 AuthorsMarcus V. Tres9
Estimated H-index: 9
(UFSM: Universidade Federal de Santa Maria)
Abstract Senecio brasiliensis aerial parts extracts were obtained using supercritical carbon dioxide (SC-CO2) extraction. The objective was to evaluate the effects of temperature and pressure on the yield, extraction kinetics, and chemical composition. The extractions with SC-CO2 were performed at 15, 20 and 25 MPa, and 40, 50 and 60 °C. Soxhlet method was used as a comparative method to SC-CO2 and the compounds were analyzed by gas chromatography-mass spectrometry. Sovova’s model was fitted to ...
Published in Journal of Supercritical Fluids3.48
Tingyuan Yan (Anhui University of Technology), Yi Zhang1
Estimated H-index: 1
(CPU: China Pharmaceutical University)
+ -3 AuthorsTingxuan Yan (Anhui University of Technology)
Abstract In this study, irbesartan (IST) microparticles, an IST /hydroxypropyl-β-cyclodextrin (HP-β-CD) inclusion complex, and an IST/polyvinylpyrrolidone (PVP) complex were prepared using a supercritical aerosol solvent extraction system (ASES). The goal was to improve the solubility and dissolution rate of IST, which is an angiotensin II receptor blocker and exhibits solubility-limited oral bioavailability in pharmacokinetics. It is noteworthy that these three drug delivery systems show a high...
Published in Journal of Supercritical Fluids3.48
Khaled Murtada2
Estimated H-index: 2
(UCLM: University of Castilla–La Mancha),
Virginia Moreno2
Estimated H-index: 2
(UCLM: University of Castilla–La Mancha)
+ -3 AuthorsMohammed Zougagh23
Estimated H-index: 23
(UCLM: University of Castilla–La Mancha)
Abstract The decoration of reduced graphene oxide with copper selenide (CuSe@rGO) was carried out under supercritical carbon dioxide (sc-CO2). Sc-CO2 has gas-like diffusivity, extremely low viscosity, and excellent penetration ability, allowing it to reduce graphene oxide (GO) and debundle reduced graphene oxide (rGO) sheets to disperse CuSe nanoparticles in between. The synthesized nanomaterials, GO, rGO, CuSe@GO and CuSe@rGO were characterized and utilized to modify glassy carbon electrode (GC...
Published in Journal of Supercritical Fluids3.48
Rafaela Cristina Turola Barbi1
Estimated H-index: 1
(UFPR: Federal University of Paraná),
Ariádine Reder Custódio de Souza2
Estimated H-index: 2
(UFPR: Federal University of Paraná)
+ -3 AuthorsRosemary Hoffmann Ribani9
Estimated H-index: 9
(UFPR: Federal University of Paraná)
Abstract The Maximiliana maripa is an important palm tree from Brazilian vegetation whose fruits present oily pulp and kernel. This study aimed at obtaining inaja pulp oil (IPO) by subcritical propane extraction and compare with the conventional Soxhlet extraction. The subcritical propane extractions were performed at different conditions to investigate the effects of temperature and pressure on the yield, chemical composition, and bioactive compounds of the oil. The subcritical propane provided...
Published in Journal of Supercritical Fluids3.48
Jamila dos Santos Alves1
Estimated H-index: 1
(UFSM: Universidade Federal de Santa Maria),
Tássia C. Confortin3
Estimated H-index: 3
(UFSM: Universidade Federal de Santa Maria)
+ -3 AuthorsClaudia Severo da Rosa6
Estimated H-index: 6
(UFSM: Universidade Federal de Santa Maria)
Abstract This study investigated the extraction of pecan nut oil using pressurized carbon dioxide (P-CO2) and pressurized liquefied petroleum gas (P-LPG) at different temperature and pressure conditions. The effect of the variables pressure and temperature on the extraction yield, antioxidant activity, fatty acids, and bioactive compounds (squalene and β-sitosterol) were evaluated. The highest yields were observed at 250 bar / 20 °C and 10 bar / 20 °C for the P-CO2 and P-LPG extractions, respect...
Abstract The subspecies B. forficata subsp. pruinosa is practically unexplored scientifically. Thus, the aim of this study was to evaluate a supercritical fluid extraction method and to compare it with the conventional Soxhlet method. The supercritical fluid extraction was performed with CO2, at temperatures of 40 to 60 °C and pressures of 18 to 22 MPa, while the Soxhlet method was conducted using ethanol, ethyl acetate and n-hexane as solvents. The extract obtained applying the conventional met...
Published in Journal of Supercritical Fluids3.48
Zhengwei Gao1
Estimated H-index: 1
(ZJU: Zhejiang University),
Haiou Wang11
Estimated H-index: 11
(ZJU: Zhejiang University)
+ -3 AuthorsJianren Fan27
Estimated H-index: 27
(ZJU: Zhejiang University)
Abstract This paper is aimed to investigate the real-fluid effects on both diffusion and premixed laminar hydrothermal flames. The real-fluid effects are examined in three aspects, including the equation of state (EOS), thermodynamic, and transport properties. Results show that, for diffusion flames, the introduction of non-ideal EOS is the most significant adjustment as it modifies the flame location, while the correction of thermodynamic and transport properties has minor impacts on the flame ...
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