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Amphiphilic oligoamides as versatile, acid-responsive gelators

机译:两亲性低聚酰胺作为多功能的酸响应性胶凝剂

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Six oligoamides with the same backbone but different side and end chains, G1–G6, were designed and synthesized. Screening the gelating abilities of these oligoamides revealed G2 as a versatile gelator capable of forming stable hydrogels as well as several organogels. From UV, fluorescence, NMR, and SEM studies, the formation of hydrogels is driven by hydrophobic forces and π–π stacking while the gelation of nonpolar organic solvents relies on hydrogen-bonding interactions. The hydrogel of G2 is able to encapsulate and release medicinally important polar substances into water with acid-responsiveness.
机译:设计并合成了六个具有相同主链但侧链和端链不同的寡酰胺,G1-G6。筛选这些寡酰胺的胶凝能力表明,G2是一种多功能胶凝剂,能够形成稳定的水凝胶以及几种有机凝胶。从UV,荧光,NMR和SEM研究来看,水凝胶的形成是由疏水力和π-π堆积驱动的,而非极性有机溶剂的凝胶化则依赖于氢键相互作用。 G2的水凝胶能够将具有医学重要意义的极性物质包囊并释放到水中,并具有酸响应性。

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