A viscosity model for ionic liquids based on the Eyring's theory and a cubic EoS

10.1016/j.molliq.2018.04.048

2018-04-11

A thermodynamic model based on the combined use of the Eyring's activated state theory and a cubic equation of state was developed here to accurately represent the dynamic viscosity of pure ionic liquids (ILs). Within the Eyring's theory, the net viscous flow...

Removal of diethyl phthalate via adsorption on mineral rich waste coal modified with chitosan

10.1016/j.molliq.2018.04.031

2018-04-11

Phthalic acid esters or phthalates in wastewater are priority pollutants and demand efficient method for remediation. Here we present a novel utilization of low grade coal, which is otherwise a waste, modified by chitosan as adsorbent for removal of diethyl p...

Study of chemical physics on energy transfer phenomenon between quantum dots and a designed diporphyrin in solution

10.1016/j.molliq.2018.04.035

2018-04-10

The present paper reports a case study of energy transfer (ET) phenomenon from the excited CdS/ZnS core-shell type quantum dots (QDs) having particle size of ~2 nm to a designed diporphyrin (1) molecule in solution. Photoluminescence intensity measurements an...

Carbon quantum dots-modified ferrofluid for dispersive solid-phase extraction of phenolic compounds in water and milk samples

10.1016/j.molliq.2018.04.036

2018-04-09

In this study, novel carbon quantum dots/oleic acid-coated Fe3O4 composites (Fe3O4-OA/CQDs) were successfully synthesized via a simple synthesis strategy and used to prepare the ferrofluid for the extraction and determination of phenolic compounds from water ...

Piperine derivatives as green corrosion inhibitors on iron surface; DFT, Monte Carlo dynamics study and complexation modes

10.1016/j.molliq.2018.03.127

2018-04-04

In the present paper, the interaction of three Piperine derivatives namely: 5-(1,3-benzodioxol-5-yl)-1-(piperidin-1-yl) pent-2-en-1-one (S1), 5-(1,3-benzodioxol-5-yl)-1-(piperidin-1-yl) penta-2,4-dien-1-one (S2) and 5-(1,3-benzodioxol-5-yl) penta-2,4-dienoic ...

Physicochemical characterization and in vitro dissolution performance of ibuprofen-Captisol® (sulfobutylether sodium salt of β-CD) inclusion complexes

10.1016/j.molliq.2018.04.007

2018-04-04

The aim of the present research work was to explore the impact of ibuprofen-captisol® (sulfobutylether sodium salt of β-CD) inclusion complexes on in vitro dissolution performance. Phase solubility studies of ibuprofen using the carrier captisol® had generate...

pH-responsive alginate-based hydrogels for protein delivery

10.1016/j.molliq.2018.04.002

2018-04-04

This work describes the synthesis and characterization of pH-responsive hydrogels based on alginate for protein delivery. Synthesis approach shown here has included the modification of sodium alginate to convert it into a covalently crosslinkable polysacchari...

A novel approach for the simultaneous extraction of dihydroquercetin and arabinogalactan from Larix gmelinii by homogenate-ultrasound-synergistic technique using the ionic liquid

10.1016/j.molliq.2018.04.011

2018-04-04

An ionic liquid-based homogenate-ultrasound-synergistic technique was proposed to simultaneously extract dihydroquercetin and arabinogalactan from Larix gmelinii stumps. The appropriate extraction solvent of [C2mim]Br was screened from thirteen kinds of imida...

Improving the solubility of acipimox by cosolvents and the study of thermodynamic properties on solvation process

10.1016/j.molliq.2018.04.009

2018-04-04

For the solubility of poorly soluble acipimox to be improved, study on cosolvent selection has often been shown to be advantageous. The solubility values of acipimox in four important solvents for pharmaceuticals investigations: water, methanol, acetone, acet...

Spectral and quantum mechanical study of some azo-derivatives

10.1016/j.molliq.2018.03.125

2018-04-04

Three azo-derivatives: 2, 2′-Dihydroxyazobenzene (DHAB), Sudan Orange G (SOG) and 4-(Phenylazo) diphenylamine (PDA) were studied in this paper from quantum-mechanical and spectral point of view. The nature and the contribution of the intermolecular interactio...