Light-triggered syneresis of a water insoluble peptide-hydrogel effectively removes small molecule waste contaminants

被引：35
作者：
Das, Basab Kanti [1 ]
Pramanik, Bapan [1 ]
Chowdhuri, Sumit [1 ]
Scherman, Oren A. [2 ]
Das, Debapratim [1 ]
机构：
[1] Indian Inst Technol Guwahati, Dept Chem, Gauhati 781039, Assam, India
[2] Univ Cambridge, Dept Chem, Melville Lab Polymer Synth, Cambridge CB2 1EW, England
来源：
CHEMICAL COMMUNICATIONS | 2020年 / 56卷 / 23期
关键词：
SUPRAMOLECULAR HYDROGEL;
D O I：
10.1039/c9cc09225k
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A short peptide based hydrogel exhibits aqueous insolubility, thixotropy and efficient light induced syneresis. Upon irradiation with UV light, the hydrogel shrinks and expells similar to 50% of the solvent. Syneresis is caused by light-triggered trans-cis isomerisation of an azobenzene moiety in the peptide derivative. This expulsion of solvent can be effectively exploited in the removal of low molecular weight contaminants in water.
引用
收藏
页码：3393 / 3396
页数：4
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