Study on Host-Guest Inclusion Complexation of a Drug in Cucurbit [6]uril

Roy, Kanak; Saha, Subhadeep; Datta, Biswajit; Sarkar, Lovely; Roy, Mahendra Nath

doi:10.1515/zpch-2017-0003

Cited by 8 publications

(4 citation statements)

References 39 publications

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“…This molality was then converted into molar conductivity using the formula = 1000 κ/ c , where c is the molar concentration of the tartrazine (dye) solutions in the ILs. The specific conductivity of the above-mentioned solutions is indicated by κ. – …”

Section: Methodsmentioning

confidence: 99%

Exploration of Solvation Consequences of Ionic Liquids Prevalent in the Aqueous Media of Food Additive Azo Dye Tartrazine by Physicochemical and Computational Studies

Roy,

Majumder,

Mallick

et al. 2023

J. Chem. Eng. Data

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Different physicochemical parameters of the food additive azo dye, viz., tartrazine (TZ), were thoroughly examined using three important ionic liquids (ILs) in aqueous solutions, viz., benzyltrimethylammonium chloride (BTMAC), benzyltriethylammonium chloride (BTEAC), and benzyltributylammonium chloride (BTBAC). In order to understand the plausible interactions of TZ with the ILs, various physicochemical properties have been studied, including viscosity (η), density (ρ), refractive index (n D ), surface tension, and conductance at different temperatures. Moreover, molar refraction (R M ), the apparent molar volume (Φ V ) derived from the Masson equation, limiting molar refraction (R M 0 ) from the Lorentz−Lorenz equation, and coefficient of viscosity (B) from the Jones−Dole equation were used to evaluate the molecular interactions between TZ and the ILs at various temperatures and concentrations. Various thermodynamic parameters, such as Δμ 1 0⧧ , Δμ 2 0⧧ , TΔS 2 0⧧ , and ΔH 2 0⧧ suggest the strong interactions observed in these systems. Gibbs's free energy change suggests the spontaneity of the system. The 1 H NMR and UV−vis spectroscopy data also support our theoretical and experimental findings. Density functional theory was used to determine the optimum energies with optimized geometries for the molecular assembly of the ternary system (TZ + IL + H 2 O) in order to validate the experimental observations.

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Section: Methodsmentioning

confidence: 99%

Exploration of Solvation Consequences of Ionic Liquids Prevalent in the Aqueous Media of Food Additive Azo Dye Tartrazine by Physicochemical and Computational Studies

Roy,

Majumder,

Mallick

et al. 2023

J. Chem. Eng. Data

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“…Systronics-308 conductivity meter was used to measure the Specific conductivity of the solutions of working frequency 1 kHz with an accuracy of ±1%. The calibration of conductivity cell was determined and determination of cell constant of the cell that proposed by the technique as suggested by Lind et al [22]. For the determination of cell constant freshly prepared 0.01 M aqueous KCl solution was used and it was maintained within the range 0.09-1.00 cm −1 during the experiment of the solutions.…”

Section: Methodsmentioning

confidence: 99%

Physicochemical investigation of L-Asparagine in green solvent arrangements with the manifestation of solvation consequences

Roy¹,

Majumder²,

Rajbanshi³

et al. 2022

World J. Adv. Res. Rev.

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Solution behaviour prevailing in L-Asparagine in two aqueous ionic liquid solutions, namely (Benzyl tri–methyl ammonium chloride; Benzyl tri-ethyl ammonium chloride) have been studied by investigation of physico-chemical parameters; density, viscosity, refractive index, conductance and surface tension measurement respectively. The nature of interactions occurring in the solution have been calculated on the basis of apparent molar volume, viscosity A and B-coefficient, molar refraction at 298.15K,303.15K,308.15K and at 0.001m, 0.003m, 0.005m concentrations. The limiting apparent molar volumes (φV0) obtained from Masson equation, viscosity parameters, A and B coefficients obtained from Jones-Doles equation, Molar refraction (RM) from the Lorentz-Lorenz equation that describe the nature of solute-solute and solute-solvent interactions in the solution. Specific Conductance of the experimental solution, which applied to ascertain the ionic nature of the system. The different thermodynamic data, Δμ10≠, Δμ20≠, ΔH0≠, and TΔS0≠ also suggest the presence of strong interactions in the studied systems. The various types of interactions existing among amino acids in presence of ionic liquids which are the protein backbone would advance a many-dimensional challenge in the arena of solution chemistry. Studies of such systems could be forward-thinking further using the correlated results of the investigation.

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“…The measurement of conductivity of the solutions were carried out in a Systronics-308 conductivity meter (accuracy ±0.01%) using a dip-type immersion conductivity cell (CD-10) whose cell constant was (0.1 ± 0.001) cm−1 approximately. Measurements were completed in a water bath with an accuracy of ± 0.01 K at the desired temperature [16]. A Tensiometer (K9, KRUSS; Germany) was used to measure the surface tensions of the solutions at 298.15K using the platinum ring detachment technique.…”

Section: Methodsmentioning

confidence: 99%

Solvation Consequences of Some Noteworthy Molecules in Diverse Liquid Environments Explored by Physicochemical Methodologies

2022

JCBSC

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By identifying the physicochemical parameters; density, viscosity, refractive index, conductivity and surface tension the nature of interaction prevailing in L-Ascorbic acid with two different aqueous ionic liquid solutions named as benzyltributyl ammonium chloride and benzyltriethyl ammonium chloride have been studied.The existence of plausible intermolecular interactions in the ternary solution have been evaluated on the basis of apparent molar volume, viscosity A and B coefficient, molar reflection at 298.15 K, 303.15 K, 308.15 K and 313.15 K temperatures and 0.001 m, 0.03 m and 0.005 m concentrations.The solute solvent interaction is enhanced by the concentration of solute and temperature and the vitamin shows structure breaking activities in both ionic liquid solutions. All these data are supported by the limiting apparent molar volume obtained from Masson equation, viscosity parameters A & B co-efficient from Jones-Doles equation, and molar refraction from the Lorentz-Lorenz equation.The values of specific conductance(𝜅) help to assure the ionic nature of the system. According to the result of studied investigations, L-Ascorbic acid and benzyltributyl ammonium chloride interactions are more predominant over L-Ascorbic acid and benzyltriethyl ammonium chloride interactions. Solvation … Sanjoy Barman et al.

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Study on Host-Guest Inclusion Complexation of a Drug in Cucurbit [6]uril

Cited by 8 publications

References 39 publications

Exploration of Solvation Consequences of Ionic Liquids Prevalent in the Aqueous Media of Food Additive Azo Dye Tartrazine by Physicochemical and Computational Studies

Exploration of Solvation Consequences of Ionic Liquids Prevalent in the Aqueous Media of Food Additive Azo Dye Tartrazine by Physicochemical and Computational Studies

Physicochemical investigation of L-Asparagine in green solvent arrangements with the manifestation of solvation consequences

Solvation Consequences of Some Noteworthy Molecules in Diverse Liquid Environments Explored by Physicochemical Methodologies

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