Fleming Martínez

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• Doctor of Science - Professor of Pharmaceutics
• Professor (Full) at National University of Colombia

The Allium plant genus has many species, among which Allium iranicum (AI) from the family Amaryllidaceae is endemic to Iran. There is no report on the oil composition of AI seeds. In this study, oil from AI seeds was extracted by a solvent and its composition and quality characteristics were determined. The yield of seed oil was 14.3%. The most pre...

The main objective of this research was to correlate the equilibrium solubility of sodium sulfadiazine in several {ethanol (EtOH, 1) + water (2)} mixtures reported in mass/volume and mass/mass percentages at different temperatures. Aqueous solubility of sodium sulfadiazine decreases almost linearly with decreasing temperature, but it decreases non-...

Sulfonamides are drugs extensively used for treatment of different infections caused by several Gram-negative and Gram-positive bacteria as well as by some fungi. Drugs biodisponibility is influenced for several physicochemical properties of drugs and aqueous media. Thus, transfer properties involving dissolution and permeation are crucial for unde...

Background/Objective: World Health Organization latest statistics state that 17% of infectious diseases are transmitted by vectors, causing more than 700,000 deaths each year. Particularly, dengue (DENV), Zika (ZIKV) and yellow fever (YFV) viral infections have generated international awareness due to their epidemic proportion and risks of internat...

Background: Solubility is one of the most important parameters in the research and development processes of the pharmaceutical industry. In this context, cosolubility is one of the most used strategies to improve the solubility of poorly soluble drugs, besides allowing to identify some factors involved in the dissolution process. The aim of this re...

Sulfamerazine (SMR) is a drug used as an antibacterial agent in the treatment of some pathologies, such as bronchitis, prostatitis and urinary tract infections. Although this drug was developed in 1945 and, due to its toxicity, was partially displaced by penicillin, due to the current problem of bacterial resistance, compounds such as SMR have rega...

Pyrazinamide is a first line drug used for the treatment of tuberculosis, a pathology that caused the death of more than 1.3 million people in the world during 2022, according to WHO, being a drug of current interest due to its relevance in pharmaceutical and medical sciences. In this context, solubility is one of the most important physicochemical...

Budesonide (BDS) a steroid-based anti-inflammatory drug widely prescribed for various diseases, has a low aqueous solubility. In this study, we investigated cosolvency approach to study the thermodynamic specifications related to the solubility of BDS at the temperature range of 293.2–313.2 K in (1-propanol + water) mixtures applying the shaking fl...

This study investigates the solubility behavior of Naproxen (NAP) in binary solvent mixtures of 1-propanol (1-PrOH) and 2-propanol (2-PrOH) with ethylene glycol (EG) across a range of temperatures. The solubility of NAP was experimentally determined at five different temperatures (293.15 to 313.15 K), and the data were correlated using various ther...

Solubility is one of the most important physicochemical properties, because it is related to some industrial processes such as: formulation, preformulation, purification and quantification. The experimental determination of solubility requires rigorous processes that involve a significant amount of resources. In this context, mathematical models al...

The equilibrium solubility of sulfadiazine (SD, 3) in several {acetonitrile (MeCN) + ethanol (EtOH)} mixtures at nine temperatures from T/K = (278.15 K to 318.15) has been determined by following the shake flask method. SD solubility increased with temperature-arising as well as with the MeCN proportion-increasing in the mixtures. Thus, x3 increase...

Background: Cyclosporin is a cyclic peptide-drug used as immunosuppressant for the prophylaxisof transplant rejection whose physicochemical properties in mixed aqueous solvent systems isstill not well understood. The preferential solvation parameters of cyclosporin in aqueous binarymixtures of diethylene glycol monoethyl ether (DEGME), polyethylene...

Published equilibrium mole fraction solubilities of phenothiazine in ethanol, propylene glycol and water as mono-solvents at several temperatures were investigated to find standard apparent thermodynamic quantities of dissolution mixing and solvation based on the van’t Hoff and Gibbs equations. Further, by processing the reported mole fraction solu...

Aims: Solubility is a molecular property decisive in the entire process from drug development and design to the final drug formulation and production, the main objective of this paper is to explain the effect of the variance in molecular properties and intermolecular interaction on dissolution by Hansen Solubility Parameter (HSP) and KAT-LSER model...

Sesame oil has been widely used in the daily diet due to its high nutritional value. Sesame oil is extracted at industrial scales and also in small scale by cold pressing at different temperatures. In this research, sesame oil was extracted by pressing at four temperatures, namely, 30 (control sample), 60, 90 and 120 °C, to evaluate its effects on...

In this research, the solubility of amlodipine besylate was studied in the propylene glycol + ethanol mixtures at different temperatures (293.2–313.2 K). The study showed that the solubility increases with an increase in propylene glycol concentration, reaching its highest point at w1 = 0.8. Additionally, the solubility values have a positive corre...

Equilibrium solubility of antitubercular agent pyrazinamide in mixed solvents is scarce in the literature. Thus, the mole fraction solubility of this drug in aqueous-cosolvent mixtures of 1,4-dioxane or ethanol has been determined at 298.15 K by means of flask shake and UV–Vis analysis. Solubilities were adequately correlated with the modified Near...

The reported mole fraction solubility data of satranidazole (SAT) in 18 mono-solvents at five different temperatures (T = 293.2K to 313.2 K) and atmospheric pressure (p = 0.1MPa) collected from the literature were revisited from another physicochemical point of view. The solubility of SAT in 12 mono-solvents was correlated by a newly developed mode...

In this study, the solubility of clonazepam (CZP) in binary solvent mixtures of (1-propanol + water) and (2-propanol + water) at five different temperatures was investigated. The solubility of CZP was assessed using the shake-flask technique, while the concentrations of CZP in the solutions were measured utilizing a UV-Vis spectrophotometer. The ob...

The main purpose of this research was to evaluate the mass/volume percentage (%m/v) solubility of acetaminophen (ACP) in {ethanol (EtOH) (1) + propylene glycol (PG) (2) + water (3)} mixtures from 20.0 to 40.0 °C to expand the solubility database of this drug in mixed pharmaceutical solvents useful for designing high concentrated liquid products inc...

The reported total Hildebrand solubility parameter (δ2) value of meloxicam, as calculated based on the group contribution method proposed by Fedors, was compared with those estimated based on the maximum solubility peaks observed in different aqueous cosolvent systems at T = 298.15 K. Thus, the observed δ2 values varied from (19.8 to 29.1) MPa1/2,...

The effect of microwave pretreatment and moisture levels of Camelina sativa seeds on the quality of extracted oil by cold press was investigated. The seed moistures were adjusted to 2.5%, 5.0%, 7.5%, and 10.0% and pretreated with microwaves for 0, 1, 2, and 3 min. Microwave pretreatment (3 min) of the seeds with 2.5% moisture increased the oil extr...

Solubility is one of the most important physicochemical properties due to its involvement in physiological (bioavailability), industrial (design) and environmental (biotoxicity) processes, and in this regard, cosolvency is one of the best strategies to increase the solubility of poorly soluble drugs in aqueous systems. Thus, the aim of this researc...

Introduction: Solubility studies and obtaining physicochemical data on drugs in pure solvents belonging to different chemical classes are key to developing new drug formulations. In this work, Hansen partial solubility parameters (HSP) were calculated to assess the miscibility and intermolecular interactions of barnidipine in seventeen pure solvent...

Equilibrium mole fraction solubility of salicylic acid in nine aqueous-ethanolic mixtures, as well as in neat water and neat ethanol, was determined at seven temperatures from T = (293.15 to 323.15) K. Salicylic acid solubility in these mixtures was adequately correlated with well-known correlation/prediction methods based on Jouyban-Acree model. A...

This investigation dealt with the thermodynamic properties, saturated solubility values, and solvation behavior of deferiprone as an oral iron chelator agent in non-aqueous mixtures of propylene glycol and 2-propanol using experimental measurements and mathematical correlations. The solubility of deferiprone demonstrated a positive correlation with...

Rosuvastatin (RST) is a poorly water-soluble drug responsible for limited in vivo dissolution and subsequently low oral systemic absorption (poor bioavailability). The mole fraction solubility values of RST in various ratios of binary mixtures "{PEG400 (1) + water (2)}" at 298.15 K were employed to investigate the preferential solvation (PS) of RST...

This study presents solubility determination and the thermodynamic analysis of celecoxib (CXB) in two kinds of solvent mixtures of N-methyl-2-pyrrolidone (NMP) + ethanol and NMP + 1-propanol at various temperatures (293.15–313.15 K). The density of CXB-free mixtures of NMP + 1-propanol at various temperatures was also measured since the data was no...

Drug solubility is one of the most significant physicochemical properties as it is related to drug design, formulation, quantification, recrystallization, and other processes, so understanding it is crucial for the pharmaceutical industry. In this context, this research presents the thermodynamic analysis of the solubility of sulfadiazine (SD) in c...

This work aims to improve the aqueous solubility of 4-hydroxycoumarin (4H-coumarin) as one of the lowest soluble derivatives of coumarin, by using deep eutectic solvents (DESs). The applied DESs are composed of choline chloride (ChCl) as a hydrogen bond acceptor (HBA) and ethylene glycol (EG), urea (U), or glycerol (GLY) as hydrogen bond donors (HB...

Meloxicam is an analgesic and anti-inflammatory drug widely prescribed in current therapeutics that exhibits very low solubility in water. Thus, this physicochemical property has been studied in N-methyl-pyrrolidone (NMP)-aqueous mixtures at several temperatures to expand the solubility database about pharmaceutical compounds in aqueous-mixed solve...

Equilibrium solubility of triclocarban (TCC) expressed in mole fraction in 1,4-dioxane and cyclohexane, as well, as in 19 {cyclohexane (1) + 1,4-dioxane (2)} mixtures, was determined at seven temperatures from T = (288.15 to 318.15) K. Logarithmic TCC solubility in these cosolvent mixtures was adequately correlated with a lineal bivariate equation...

The solubility of drugs in cosolvent systems of pharmaceutical interest is of great importance for understanding and optimizing a large number of processes. Here, we report the solubility of isoniazid in nine (PEG 200 + water) cosolvent mixtures at nine temperatures (278.15, 283.15, 288.15, 293.15, 298.15, 303.15, 308.15, and 318.15 K) determined b...

The solubility of allopurinol was measured at several temperatures (15–35 ºC) in ethanol–water, ethanol–ethyl acetate, and ethyl acetate–hexane mixtures. The mole fraction solubility shows two solubility maxima against the co-solvent (ethanol) ratio (70 % ethanol–water and 100 % ethyl acetate) at each of the five temperatures studied. The authors c...

Thermodynamic studies of drug solubility in cosolvent mixtures at different temperatures generate information of great importance for pharmaceutical, medical, and environmental sciences. The objective of this research is to thermodynamically analyze the solubility of progesterone (PG) in cosolvent mixtures {1-octanol (1) + ethanol (2)} from 278.15...

Meloxicam is widely prescribed as an analgesic and anti-inflammatory drug in human therapeutics. Owing the very low aqueous solubility of meloxicam, this property has been studied in dimethyl sulfoxide (DMSO)-aqueous solvent systems at several temperatures from 273.15 to 313.15 K to expand the solubility database about analgesic drugs in mixed solv...

The equilibrium solubility of benzoic acid in water and ethanol, as well as in nine {ethanol (1) + water (2)} mixtures, was determined from T = (293.15 to 323.15) K. Benzoic acid mole fraction solubility in these aqueous-ethanolic mixtures was adequately correlated with some well-known correlation/prediction models, obtaining mean percentage deviat...

Mesalazine is a low-permeable and low-soluble drug, which makes it a class IV drug in the Biopharmaceutics Classification System. Hence, its solubilization can be helpful for various stages of formulation development. The purpose of this study was to investigate the solubilization manner and thermodynamics of mesalazine in ternary solvent combinati...

Probiotics are beneficial bacteria that have a significant effect on host health and they are widely used in preventing and treating diseases. Nowadays probiotics are present in food, drug and several commercial complement products. In recent years the use of probiotics in the nanotechnology area, especially in nanoparticle synthesis, has significa...

Solubility of amlodipine besylate (AMB) in acetonitrile-water mixtures was measured by spectrophotometric technique after equilibration by a well-known shake-flask method. The solubility values were also measured at five temperatures of interests from 293.2 to 313.2 K and 11 mass fractions. The solubility of AMB enhances upon acetonitrile mass frac...

Mole fraction solubilities of tadalafil (3) in aqueous mixtures of Transcutol® and PEG 400 at temperatures from 298.15 to 333.15 K were analysed following Hildebrand solubility parameters. Cosolvency models for representing tadalafil solubility at various temperatures were also provided for correlation/prediction purposes. Apparent thermodynamic qu...

The applications of nanoparticles in various practical fields, owing to their unique properties compared with bulk materials, have been occupying the minds of scientists for several decades. In this regard, a combination of pharmacology and nanotechnology has contributed to producing newer effective anticancer and antimicrobial agents to inactivate...

The solubility of 6-methylcoumarin in water, ethanol and nine aqueous ethanol mixtures was determined from 293.15 to 323.15 K. 6-Methylcoumarin solubility expressed in mole fraction was correlated with some well-known correlation/prediction models. Gibbs energy, enthalpy and entropy, for dissolution and mixing processes, were computed using van’t H...

Antibiotic resistance in pathogenic bacteria to various types of antibiotics has resulted in the necessity of new effective strategies to get around this problem. In recent investigations, metal or metal oxide nanoparticles specifically silver nanoparticles (AgNPs) have been employed successfully to hinder antibiotic-resistant Gram-negative and Gra...

(Z)-N-benzyl-2-{5-(4-hydroxybenzylidene)-2,4-dioxothiazolidin-3-yl)acetamide(3) (SE11) is a newly synthesized benzylidine thiazolidinedione to inhibit aldose reductase (AR) to control Diabetes Mellitus (DM) and related complications. This reported compound exhibits poor water solubility and based on Hansen solubility parameter (HSP) considerations...

Reported mole fraction solubilities of trans-resveratrol in aqueous mixtures of acetone in the temperature interval from (273.2 to 313.2) K were correlated by means of some cosolvency models, like multi-linear models of Jouyban-Acree and Jouyban-Acree-van’t Hoff and non-linear models of the modified Wilson and CNIBS/R-K model. Apparent thermodynami...

(Z)-N-Benzyl-2-{2,4-dioxo-5-(4-prop-2-yl-1-yloxyl)benzylidene)thiazolin-3-yl)}acetamide (SE415) is a novel aldose reductase inhibitor used in the management of diabetes mellitus (DM) and associated complications. Herein, the drug was solubilized (mole fraction solubility) in a “PEG 400 (polyethylene glycol 400) + water” mixture of various ratios at...

Solubility of sulfamethazine (SMT) in acetonitrile (MeCN) + methanol (MeOH) cosolvents was determined at nine temperatures between 278.15 and 318.15 K. From the solubility data expressed in molar fraction, the thermodynamic functions of solution, transfer and mixing were calculated using the Gibbs and van ’t Hoff equations; on the other hand, the s...

The blood-brain barrier (BBB) is one of the vital and key barriers between brain tissue and the circulatory system. The BBB controls the passage of ions and molecules into brain tissue. Due to the unique features of this barrier, drug delivery for the treatment of various brain disorders is still a major challenge in the medical field. The use of n...

Measuring and evaluating of the solubility of amlodipine besylate (AMB), as a low water soluble antihypertensive drug, is fundamentally important in the pharmaceutical industry. In this work, the solubility of AMB in the binary solvent system of water and polyethylene glycol 400 (PEG 400) was determined by a shake-flask method at the temperatures f...

Knowledge of drug solubility is crucial and there is no available cosolvency database for baclofen, so far. In the current study, the solubility and density values of baclofen in five mono-solvents (i.e. methanol, ethanol, 1-propanol, 2-propanol and propylene glycol) and the binary mixed solvents of propylene glycol and ethanol within the temperatu...

The present work is devoted to the study of the caffeine dissolution process in the non-aqueous binary mixture of N-methyl-2-pyrrolidone + ethylene glycol mixture at a temperature range of T = (293.2 – 313.2) K. The generated solubility data are mathematically represented by using some cosolvency models (i.e. Jouyban-Acree, Jouyban-Acree-van’t Hoff...

At 298.15-318.15 K and 0.1 MPa, the solubility of a naturally-derived chemical sinapic acid (SA) (3) in various {ethylene glycol (EG) (1) + water (2)} mixtures has been recorded. The solubility values of SA were correlated computationally using five different models. In {EG (1) + water (2)} mixtures, the equilibrium solubility of SA was shown to ri...

This paper discusses sulfamerazine (SMR) solubility in Acetonitrile (MeCN) + Methanol (MeOH) cosolvents at nine temperatures (278.15–318.15 K). Herein, the maximum SMR solubility was reached in a cosolvent mixture at the highest studied temperature, and the minimum SMR solubility was reached in neat methanol at the lowest studied temperature. Using...

Reported equilibrium mole fraction solubilities of sinapic acid (3) in {DMSO (1) + water (2)} and {Carbitol (1) + water (2)} mixtures at several temperatures were analyzed in terms of the Hildebrand solubility parameter of these aqueous mixtures. Moreover, the preferential solvation parameters of sinapic acid in these aqueous saturated mixtures at...

Reported equilibrium mole fraction solubility values of 6-phenyl-4,5-dihydropyridazin-3(2H)-one (PDP-6) (3) in {Transcutol (1) + water (2)} and {PEG 400 (1) + water (2)} mixtures at five temperatures from T = (293.15 to 313.15) K were analyzed based on the Hildebrand solubility parameter of the respective aqueous mixtures. Cosolvency models for rep...

In the current study, the sildenafil citrate solubility is investigated in (2-propanol + water) binary mixtures at five different temperatures (293.2-313.2 K). The experimental solubility data are obtained from the shake-flask method and correlated with some linear and non-linear cosolvency models (i.e. the van’t Hoff, CNIBS/Redlich-Kister, the Jou...

Solubility and thermodynamic properties of lamotrigine as a practically insoluble drug in binary mixtures of choline chloride / propylene glycol deep eutectic solvent and water are determined by shake-flask method followed by a spectrophotometric method at the temperature range of 293.2-313.2 K. The acquired molar data are correlated to the linear...

The solubility of ketoconazole in the mixtures of propylene glycol and ethanol is measured by a laser monitoring technique in the temperature range of 293.2–313.2 K. The generated solubility data are fitted to some linear and non-linear cosolvency models and the accuracy of each model is investigated by calculating the mean relative deviations (MRD...

Equilibrium mole fraction solubility of vanillin in nine aqueous-ethanolic mixtures, as well as in neat water and neat ethanol, was determined at seven temperatures from T = 293.15 to T = 323.15 K. Vanillin solubility in these mixtures was adequately correlated with several well-known correlation models with the mean percentage deviations of 5.9 to...

The thermodynamics and solubilization behavior of caffeine in non-aqueous binary mixtures of N-methyl-2-pyrrolidone (NMP) and propylene glycol (PG) at temperatures ranged from 293.2 to 313.2 K are measured using a shake-flask method and the obtained solubility data are mathematically represented by using some cosolvency models (e.g. Jouyban-Acree,...

The solubility and solution thermodynamic properties of mesalazine in the binary mixtures of a deep eutectic solvent (DES) and water are determined by a shake-flask method followed by spectrophotometry method in the temperature range of 293.2–313.2 K. The obtained solubility data are correlated using some linear cosolvency models including the van’...

Camelina oil, as an alternative to linseed oil, is a rich source of omega-3 fatty acids with higher oxidative stability and valuable nutritional properties. Although Iran is a suitable location for the cultivation of the Camelina sativa plant, it is not well known. Therefore, in this study, the physicochemical properties of camelina oil obtained fr...

Background: Meloxicam is a powerful analgesic and anti-inflammatory drug widely prescribed by physicians in current therapeutics. Because of the very low aqueous equilibrium solubility of meloxicam, this property has been studied in {2-propanol + water} mixtures from (293.15 to 313.15) K to expand the solubility database about pharmaceutical compou...

Solubility data of pharmaceutical ingredients is required for crystallization, extraction and purification processes. The solubility profile and thermodynamic modeling of caffeine in the binary non-aqueous mixed solutions of N-methyl-2-pyrrolidone (NMP) and 1-propanol at various temperatures ranging from 293.2 to 313.2 K are measured in this study...

Reported equilibrium mole fraction solubility values of trans-resveratrol in some aqueous-ethanolic mixtures in the temperature interval from (273.2 to 323.2) K were correlated by means of some cosolvency models, like multi-linear models of Jouyban-Acree and Jouyban-Acree-van’t Hoff and non-linear models of the modified Wilson and Buchowski-Ksiazcz...

Solubility profile for sildenafil citrate in the non-aqueous mixtures of 1-propanol and water is measured using a shake-flask method at different temperatures of 293.2 K, 298.2 K, 303.2 K, 308.2 K and 313.2 K and correlated employing some well-known cosolvency models (e.g. the CNIBS/Redlich-Kister, the Jouyban-Acree, the Jouyban-Acree-van’t Hoff, t...

The solid-liquid equilibrium of sildenafil citrate in the binary non-aqueous mixtures of propylene glycol and ethanol is investigated by a shake-flask technique at T = (293.2–313.2) K and atmospheric pressure. Some mathematical models such as the van’t Hoff, the mixture response surface, the Jouyban-Acree, the Jouyban-Acree-van’t Hoff and λh models...

Equilibrium mole fraction solubility of coumarin in nine aqueous-ethanolic mixtures, as well as in neat water and neat ethanol, was determined at seven temperatures from (293.15 to 323.15) K. Coumarin solubility in was adequately correlated with several well-known correlation models with the mean percentage deviations of 5.1 to 10.8%. The respectiv...

Solubility of meloxicam in {methanol + water} mixtures from 293.15 to 313.15 K has been determined and correlated by means of the Jouyban–Acree model. By using the van’t Hoff and Gibbs equations the respective apparent thermodynamic quantities for the dissolution and mixing processes, namely Gibbs energy, enthalpy, and entropy, were calculated. A n...

The solubility knowledge of pharmaceutical compounds in pure solvents and solvent mixtures has a critical role in formulation, separation and purification in the pharmaceutical and chemical industries. In the article ahead, the solid−liquid equilibria measurements for solubility of caffeine in the non-aqueous binary mixtures of N-methyl-2-pyrrolido...

The equilibrium solubility of sulfamerazine (SMR) in neat ethylene glycol (EG) and nineteen {(EG) (1) + water (2)} mixtures is reported at temperatures from (278.15 to 318.15) K. Mole fraction solubility of SMR (x3) increases with temperature arising and also increases with the EG proportion increasing. It varies from 1.71 × 10–5 in neat water to 7...

Extended Hildebrand Solubility Approach (EHSA) was applied in this research to analyse the equilibrium solubility of sulphadiazine in some {N-methyl-2-pyrrolidone (1) + water (2)} and {Carbitol® (1) + water (2)} mixtures at 313.15 K. Reported experimental solubilities and melting properties of this drug were used for EHSA calculations. Good predict...

Solubility and density profiles for 3-aminosalicylic acid (3-ASA) in the mixed solvents of 2-propanol and water is determined by a shake-flask method at 293.2–313.2 K. The obtained numerical data is correlated by some mathematical models such as van’t Hoff, the mixture response surface, Jouyban–Acree, Jouyban–Acree–van’t Hoff and the modified Wilso...

The equilibrium solubility of a weakly water-soluble drug of naproxen (NAP) in ethylene glycol (EG) + water is determined by a shake-flask method in the temperature range of 293.2–313.2 K. Five models including Jouyban-Acree, Jouyban-Acree-van't Hoff, the mixture response surface, van't Hoff and the modified Wilson models were applied to mathematic...

Equilibrium mole fraction solubility of 5-fluorouracil (5-FU) in 19 aqueous-ethanolic mixtures, as well as in neat water and neat ethanol, was determined at seven temperatures from (293.15 to 323.15) K. 5-FU solubility in these mixtures was adequately correlated with several well-known correlation models. The respective apparent thermodynamic funct...

In this research, the equilibrium mole fraction solubility of fluconazole (FLC) in some aqueous-ethanolic mixtures was determined at seven temperatures from (293.15 to 323.15) K. The respective apparent thermodynamic functions (Gibbs energy, enthalpy, and entropy) for the dissolution, mixing and solvation processes were computed using the van’t Hof...

In this study, polymeric composite nanofiber consisting of polyvinyl alcohol (PVA)/gum tragacanth (GT)/molybdenum disulfide (MoS2) were successfully developed via electrospinning process for tetracycline (TCH) delivery. Experimental analysis including UV-vis and XRD indicated that the MoS2 nanosheets were exfoliated. Based on the SEM analysis the p...

The reported solubility data of atorvastatin calcium in binary aqueous mixtures of acetone at various temperatures from 293.15 K to 328.15 K was reanalyzed based on some well-established cosolvency models and a number of points regarding the correlations were discussed.

This study aimed to introduce two natural lipids including the fat tail (FT) and the local oil (Roghan Kermanshahi) in order to design lipid nanocarriers for loading of sunitinib malate as a poorly water-soluble anticancer drug. The drug-loaded solid lipid nanoparticles (SLNs) were fabricated using the modified solvent evaporation-ultrasonic combin...

The aims of the current study are solubility behavior investigation of phenytoin in the mixtures of 1-propanol and water at different temperatures and correlation of the generated data to some linear and non-linear cosolvency models. As another physico-chemical property, the density of phenytoin saturated solutions is also measured and the results...

In this research, the equilibrium mole fraction solubility of 4-nitroaniline (4-NA) in some aqueous-ethanolic mixtures was determined at seven temperatures from (293.15 to 323.15) K. The respective apparent thermodynamic functions (Gibbs energy, enthalpy, and entropy) of the dissolution processes were computed using the van’t Hoff and Gibbs equatio...