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Influence of Hydrogen Bonding on Low Critical Micellar Concentration Value and Formation of Giant Vesicle of Triazole‐Contained Amphiphile
Journal of Surfactants and Detergents ( IF 1.6 ) Pub Date : 2020-10-09 , DOI: 10.1002/jsde.12468
Nurul Faiezin Zul 1 , Hairul Anuar Tajuddin 1 , Noraini Ahmad 2 , Zul Hazrin Zainal Abidin 3 , Ahmad Bayhaki Sadidarto 1 , Zanariah Abdullah 1
Affiliation  

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.

中文翻译:

氢键对低临界胶束浓度值和三唑类两亲物巨泡形成的影响

由三唑部分组成的两亲分子在其含水条件下已使用不同的方法进行了彻底研究。研究发现,其杂芳族能力在分子自组装中具有明确的功能。从荧光证据来看,基于三唑的两亲物表明聚集诱导的发射行为主要归因于三唑基。这表明三唑通过分子间相互作用直接参与自组装机制。这种相互作用可以通过三唑质子频率的移动来验证,这可以通过质子频率高于临界胶束浓度(CMC)值的恒定频率清楚地表明。该频率表明在相邻的三唑的氢和第二个氮之间出现了建立的氢键。这些结果与在非常低的CMC值(0.1mM)下测定的分子的胶束化相一致。吸光度和光学偏振显微镜的结果也支持了由两亲物的中和产生的巨大囊泡生长的证据。在中性pH下形成稳定的大囊泡表明双层中三唑层内立即形成强氢键连接。该发现表明,具有适当分子排列的杂芳族化合物形成的内部氢键可促进自聚集并增强整体稳定性。这些结果与在非常低的CMC值(0.1mM)下测定的分子的胶束化相一致。吸光度和光学偏振显微镜的结果也支持了由两亲物的中和产生的巨大囊泡生长的证据。在中性pH下形成稳定的大囊泡表明双层中三唑层内立即形成强氢键连接。该发现表明,具有适当分子排列的杂芳族化合物形成的内部氢键可促进自聚集并增强整体稳定性。这些结果与在非常低的CMC值(0.1mM)下测定的分子的胶束化相一致。吸光度和光学偏振显微镜的结果也支持了由两亲物的中和产生的巨大囊泡生长的证据。在中性pH下形成稳定的大囊泡表明双层中三唑层内立即形成强氢键连接。该发现表明,具有适当分子排列的杂芳族化合物形成的内部氢键可促进自聚集并增强整体稳定性。在中性pH下形成稳定的大囊泡表明双层中三唑层内立即形成强氢键连接。该发现表明,具有适当分子排列的杂芳族化合物形成的内部氢键可促进自聚集并增强整体稳定性。在中性pH下形成稳定的大囊泡表明双层中三唑层内立即形成强氢键连接。该发现表明,具有适当分子排列的杂芳族化合物形成的内部氢键可促进自聚集并增强整体稳定性。
更新日期:2020-10-09
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