J Surfact Deterg (2017) 20:1105–1113 DOI 10.1007/s11743-017-1980-6 ORIGINAL ARTICLE Symmetric Amphiphilic Molecules with Hydroxyl-Cinnamic-Acid Dimer Cores: Photo-alterable Aggregation and Thermal Sensitivity 1,2 1,2 1,2 1,2 1,2 • • • • Zhongqiang Zhao Xiang Xue Jun Lu Huarong Liu Hewen Liu Received: 2 January 2017 / Accepted: 22 May 2017 / Published online: 6 June 2017 AOCS 2017 Abstract Photolabile amphiphilic molecules with different Keywords Photolabile Amphiphilic Cinnamic acid lengths of PEG chains attached to hydroxyl cinnamic acid Truxillic acid PEG Thermo-responsivity Vesicle dimer cores (truxillic-PEG) were synthesized. The truxillic acid core was prepared by UV-induced dimerization of hydroxyl cinnamic acid. These symmetric truxillic-PEG Introduction molecules formed a dispersion or stable micelles in water, which exhibited PEG chain length-dependent thermo-re- Amphiphilic molecules capable of vesicle-forming and sponsive behaviors, with lower critical solution tempera- thermo-responding in water have been without doubt among ture changing from 15 C (PEG300 branches) to 73 C the most attractive materials to researchers from diverse (PEG1000 branches). Furthermore, truxillic-PEG600 was ﬁelds in the past decades. Vesicle-forming materials hold found to form vesicles in water, whereas truxillic-PEG300, great promise in mimicking biofunctions of cell membranes, truxillic-PEG400 and truxillic-PEG1000 precipitated or and as
Journal of Surfactants and Detergents – Springer Journals
Published: Jun 6, 2017
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