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Issue 25, 2020, Issue in Progress
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Effects of temperature and polyols on the ciprofloxacin hydrochloride-mediated micellization of sodium dodecyl sulfate

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Abstract

Herein, a conductivity method was engaged to explore the effects of a fluoroquinolone drug, namely ciprofloxacin hydrochloride (CFH)/CFH + polyols (organic compounds with multiple hydroxyl groups (glucose and fructose)), on the aggregation phenomenon of sodium dodecyl sulfate (SDS) at different temperatures (298.15–318.15 K) while maintaining a gap of 5 K. In this study, the critical micelle concentration (cmc) of the SDS/SDS + CFH mixture in water and polyols media was determined from plots of the specific conductivity versus the concentration of SDS to gain knowledge of the effects of CFH/CFH + polyols on the micelle formation behavior of SDS. The cmc value of the surfactant decreases in the presence of CFH in an aqueous medium; thus, CFH favors the micellization of SDS. The cmc values of SDS and the SDS + CFH mixture were enhanced in polyols media. The cmc values of SDS/SDS + CFH show a U-shaped behavior with temperature. The counterion dissociation (α) of the pure surfactant is higher in the presence of the drug and is further enhanced through an increase in the CFH concentration in water/polyols media. Different thermodynamic parameters, such as the Gibbs free energy of micellization Image ID:d0ra00213e-t1.gif, standard enthalpy Image ID:d0ra00213e-t2.gif, entropy Image ID:d0ra00213e-t3.gif, different transfer energies and enthalpy–entropy compensation parameters of micellization were determined and illustrated in detail to compare these parameters between the pure SDS and SDS + CFH mixture in polyols media. The negative values of Image ID:d0ra00213e-t4.gif for the SDS/SDS + CFH mixture in all cases indicate spontaneous micelle formation. The Image ID:d0ra00213e-t5.gif and Image ID:d0ra00213e-t6.gif values indicate the presence of both hydrophobic and electrostatic interactions amongst the studied components.

Graphical abstract: Effects of temperature and polyols on the ciprofloxacin hydrochloride-mediated micellization of sodium dodecyl sulfate

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Supplementary files

Article information


Submitted
08 Jan 2020
Accepted
17 Mar 2020
First published
09 Apr 2020

This article is Open Access

RSC Adv., 2020,10, 14531-14541
Article type
Paper

Effects of temperature and polyols on the ciprofloxacin hydrochloride-mediated micellization of sodium dodecyl sulfate

S. Mahbub, S. Akter, Luthfunnessa, P. Akter, Md. A. Hoque, M. A. Rub, D. Kumar, Y. G. Alghamdi, A. M. Asiri and H. Džudžević-Čančar, RSC Adv., 2020, 10, 14531
DOI: 10.1039/D0RA00213E

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