Conductometric and spectrophotometric studies of self-aggregation behavior of streptomycin sulphate in aqueous solution: Effect of electrolytes

Sharma, Sapna; Kumar, Kuldeep; Chauhan, Suvarcha; Chauhan, M. S.

doi:10.1016/j.molliq.2019.111782

Cited by 32 publications

(4 citation statements)

References 73 publications

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“…The variation can be easily grasped from Table 1 against the examined electrolytic systems for both drug molecules. The obtained surface tension curves are in good agreement with the literature [18,22,29] and almost similar to studies performed with a different procedural approach [30,31]. The critical micelle concentration (CMC) values calculated from the plots of  versus log[SMS/DPH] through the break points in curves [32].…”

Section: Effect Of the Electrolytessupporting

confidence: 87%

Thermodynamics and Micellar Behavior of Surface-Active Drugs in Aqueous Solution of Electrolytes: Surface Tension Study

Sharma¹,

Singh²,

Sharma³

et al. 2022

SSRN Journal

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Section: Effect Of the Electrolytessupporting

confidence: 87%

Thermodynamics and Micellar Behavior of Surface-Active Drugs in Aqueous Solution of Electrolytes: Surface Tension Study

Sharma¹,

Singh²,

Sharma³

et al. 2022

SSRN Journal

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“…The spontaneity or feasibility of a micellization process is usually determined by the value of ; here more negative value indicates the more spontaneous process for the micellization. The of the CPS + CTS mixed system was estimated using the following equation (Rafati et al 2008 ; Kumar and Rub 2017 ; Mahbub et al 2019 , 2020 , 2021 ; Rub 2020 ; Sharma et al 2020 ; Kumar et al 2021 ; Rub et al 2022 ; Ruhul Amin et al 2022 ). where X CMC , R, and T represent the mole fraction of CPC at CMC, molar gas constant, and temperature, respectively, for the CPS + CTS mixed system.…”

Section: Resultsmentioning

confidence: 99%

Investigation of the impacts of simple electrolytes and hydrotrope on the interaction of ceftriaxone sodium with cetylpyridinium chloride at numerous study temperatures

et al. 2023

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Herein, interactions between cetylpyridinium chloride (CPC) and ceftriaxone sodium (CTS) were investigated applying conductivity technique. Impacts of the nature of additives (e.g. electrolytes or hydrotrope (HDT)), change of temperatures (from 298.15 to 323.15 K ), and concentration variation of CTS/additives were assessed on the micellization of CPC + CTS mixture. The conductometric analysis of critical micelle concentration (CMC) with respect to the concentration reveals that the CMC values were increased with the increase in CTS concentration. In terms of using different mediums, CMC did not differ much with the increase in electrolyte salt (NaCl, Na 2 SO 4 ) concentration, but increased significantly with the rise of HDT (NaBenz) amount. In the presence of electrolyte, CMC showed a gentle increment with temperature, while the HDT showed the opposite trend. Obtained result was further correlated with conventional thermodynamic relationship, where standard Gibb’s free energy change , change of enthalpy , and change of entropy ) were utilized to investigate. The values were negative for all the mixed systems studied indicating that the micellization process was spontaneous. Finally, the stability of micellization was studied by estimating the intrinsic enthalpy gain ( ) and compensation temperature ( T c ). Here, CPC + CTS mixed system showed more stability in Na 2 SO 4 medium than the NaCl, while in NaBenz exhibited the lowest stability.

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“…Prídavok elektrolytov do vodného roztoku spôsobuje zníženie hodnoty CMC väčšiny povrchovo aktívnych látok, najvýraznejší účinok sa prejavuje práve v prípade iónových povrchovo aktívnych látok 17,18 . Anorganické soli (napr.…”

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Study of the Effect of Chlorides and Bromides on Critical Micelle Concentration and Partial Molar Volume of Quaternary Ammonium Salt

et al. 2022

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The critical micelle concentration (CMC) of the selected surfactant belonging to quaternary ammonium salts with chemical designation N,N-dimethyl-N-(3-((1R,5S)-1,8,8-trimethyl-2,4-dioxo-3-azabicyclo[3.2.1]octane-3yl)propyl)hexadecane-1-amine bromide was determined. Simultaneously, the effect of the addition of various concentrations of NaCl, KCl, NaBr, and KBr salts on the CMC value of the substance was observed and compared with those obtained in an aqueous solution at T = 296,15 K. Based on the results obtained, it was concluded that NaCl and KCl salts decreased the critical micelle concentration, while NaBr and KBr salts did not support micellization and CMC values therefore increased. In the case of solutions of a substance in the salt environment, when compared to the substance's solution in distilled water, a decrease in partial molar volume was observed. From the concentration density dependencies of the substance, an ionization degree of α was determined. Finally, the molar Gibbs energy ∆G° was also calculated and found negative for all salt solutions, while increase with their increasing concentration.

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Conductometric and spectrophotometric studies of self-aggregation behavior of streptomycin sulphate in aqueous solution: Effect of electrolytes

Cited by 32 publications

References 73 publications

Thermodynamics and Micellar Behavior of Surface-Active Drugs in Aqueous Solution of Electrolytes: Surface Tension Study

Thermodynamics and Micellar Behavior of Surface-Active Drugs in Aqueous Solution of Electrolytes: Surface Tension Study

Investigation of the impacts of simple electrolytes and hydrotrope on the interaction of ceftriaxone sodium with cetylpyridinium chloride at numerous study temperatures

Study of the Effect of Chlorides and Bromides on Critical Micelle Concentration and Partial Molar Volume of Quaternary Ammonium Salt

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