An Easy Access to Organic Salt-Based Stimuli-Responsive and Multifunctional Supramolecular Hydrogels
作者:Joydeb Majumder、Parthasarathi Dastidar
DOI:10.1002/chem.201601136
日期:2016.6.27
the role of various supramolecular interactions such as hydrogen bonding and π–π stacking in hydrogelation. Single‐crystal X‐ray diffraction (SXRD) studies supported the conclusion that orthogonal hydrogen bonding involving amide–amide and primary ammonium monocarboxylate (PAM) synthons indeed played a crucial role in hydrogelation. The hydrogels were found to be stimuli‐responsive and were capable of
通过利用涉及超分子合成子和疏水/亲水相互作用的正交氢键,获得了一系列新的简单的基于有机盐的水凝胶化剂,其衍生自pyr丁酸及其β-丙氨酸酰胺衍生物以及各种伯胺。通过显微镜,台式流变学和动态流变学对水凝胶进行表征。FTIR,温度可变11 H NMR和发射光谱确定了水凝胶化过程中各种超分子相互作用(例如氢键和π–π堆积)的作用。单晶X射线衍射(SXRD)研究支持这样的结论,即涉及酰胺-酰胺和伯一羧酸单铵(PAM)合成子的正交氢键确实在水凝胶化中起着至关重要的作用。发现水凝胶具有刺激性,能够感知氨并吸附水溶性染料(亚甲基蓝)。所有的水凝胶化剂都是生物相容性的(在RAW 264.7细胞中进行MTT分析),表明它们适用于药物递送。