Influence of Hydrogen Bonding on Low Critical Micellar Concentration Value and Formation of Giant Vesicle of Triazole‐Contained Amphiphile

Zul, Nurul Faiezin and Tajuddin, Hairul Anuar and Ahmad, Noraini and Zainal Abidin, Zul Hazrin and Sadidarto, Ahmad Bayhaki and Abdullah, Zanariah (2021) Influence of Hydrogen Bonding on Low Critical Micellar Concentration Value and Formation of Giant Vesicle of Triazole‐Contained Amphiphile. Journal of Surfactants and Detergents, 24 (2). pp. 243-253. ISSN 1097-3958

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Official URL: https://doi.org/10.1002/jsde.12468

Abstract

An amphiphile molecule consisting of triazole moiety has been thoroughly investigated using different approaches in its aqueous condition. The studies have discovered the explicit function of its heteroaromatic ability in molecular self-assembling. From the fluorescence evidence, the triazole-based amphiphile has shown that the aggregation-induced emission behavior is mainly due to the triazolyl. It suggests that the triazole is directly involved in the self-assembling mechanism through an intermolecular interaction. This interaction can be verified by the shifting of proton frequency of the triazole, which is clearly shown by the constant frequency of the proton above the critical micellar concentration (CMC) value. The frequency suggests the establishing hydrogen bond that occurred between the hydrogen and the second nitrogen of the adjacent triazole. These results are consistent with the micellization of the molecule which was determined at a very low CMC value (0.1 mM). The absorbance and optical polarizing microscopy results also support the evidence of the growth of giant vesicles produced from the neutralization of the amphiphile. The formation of stable giant vesicles at neutral pH demonstrates the immediate strong hydrogen bonding connections within the triazoles layer in the bilayer. The discovery reveals that internal hydrogen bonds formed from a heteroaromatic with the appropriate molecular arrangement can promote self-aggregation and enhance overall stability. © 2020 AOCS

Item Type: Article
Uncontrolled Keywords: 1,2,3-triazole; Aggregation-induced emission; Heteroaromatic amphiphile; Hydrogen bonding; Self-aggregation; Vesicles
Subjects: Q Science > QC Physics
Q Science > QD Chemistry
Divisions: Faculty of Science > Dept of Chemistry
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 21 Apr 2021 02:05
Last Modified: 21 Apr 2021 02:05
URI: http://eprints.um.edu.my/id/eprint/25875

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