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一种 pH 敏感的小分子水凝胶中的独特的热诱导凝胶-凝胶转变。

A unique thermo-induced gel-to-gel transition in a pH-sensitive small-molecule hydrogel.

机构信息

Ministry Key Laboratory of Oil and Gas Fine Chemical, College of Chemistry and Chemical Engineering, Xinjiang University, Urumqi, 830046, China.

Novel Drug Delivery Systems Department, Iran Polymer and Petrochemical Institute, P.O. Box 14975/112, Tehran, Iran.

出版信息

Sci Rep. 2017 Aug 16;7(1):8459. doi: 10.1038/s41598-017-09304-z.

DOI:10.1038/s41598-017-09304-z
PMID:28814804
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5559595/
Abstract

For a hydrogel based on a zwitterionic dendritic surfactant, we report an apparently unprecedented reversible temperature-induced gel-to-gel phase transition below the melting point of its alkyl chains, where the supramolecular self-assembly of surfactant molecules underwent a dramatic transformation from low-temperature surfactant bilayers to high-temperature entangled surfactant worm-like micelles.

摘要

对于基于两性离子树枝状表面活性剂的水凝胶,我们报道了一种明显前所未有的低于其烷基链熔点的可逆温度诱导凝胶-凝胶相转变,其中表面活性剂分子的超分子自组装经历了从低温表面活性剂双层到高温缠结表面活性剂蠕虫状胶束的剧烈转变。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/ea2a14ac9991/41598_2017_9304_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/984734d94e03/41598_2017_9304_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/66b58f651a59/41598_2017_9304_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/ed7c2dbe9fc5/41598_2017_9304_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/ea2a14ac9991/41598_2017_9304_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/984734d94e03/41598_2017_9304_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/66b58f651a59/41598_2017_9304_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/ed7c2dbe9fc5/41598_2017_9304_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/aae5/5559595/ea2a14ac9991/41598_2017_9304_Fig4_HTML.jpg

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