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Issue 23, 2020
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Light-triggered syneresis of a water insoluble peptide-hydrogel effectively removes small molecule waste contaminants

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Abstract

A short peptide based hydrogel exhibits aqueous insolubility, thixotropy and efficient light induced syneresis. Upon irradiation with UV light, the hydrogel shrinks and expells ∼50% of the solvent. Syneresis is caused by light-triggered transcis 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.

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

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Article information


Submitted
27 Nov 2019
Accepted
18 Feb 2020
First published
18 Feb 2020

Chem. Commun., 2020,56, 3393-3396
Article type
Communication

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

B. K. Das, B. Pramanik, S. Chowdhuri, O. A. Scherman and D. Das, Chem. Commun., 2020, 56, 3393
DOI: 10.1039/C9CC09225K

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