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Issue 33, 2019
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Self-reporting visible light-induced polymer chain collapse

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Abstract

We introduce a facile photoinduced self-reporting crosslinking methodology for the compaction of polymer chains in highly diluted solution. The chain compaction, which is readily monitored via the change in optical properties due to the release of the chromophore, is achieved via mild visible light irradiation (430–435 nm) of statistically distributed pyrene-substituted oxime ester derivatives. In-depth characterization via size exclusion chromatography (SEC), UV/Vis and fluorescence spectroscopy, as well as NMR measurements including diffusion ordered spectroscopy (DOSY), reveals an efficient system, which may serve as a blueprint for reading out the state of SCNPs in more complex scenarios.

Graphical abstract: Self-reporting visible light-induced polymer chain collapse

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Supplementary files

Article information


Submitted
07 Jun 2019
Accepted
15 Jul 2019
First published
15 Jul 2019

This article is Open Access

Polym. Chem., 2019,10, 4513-4518
Article type
Communication

Self-reporting visible light-induced polymer chain collapse

J. T. Offenloch, E. Blasco, S. Bastian, C. Barner-Kowollik and H. Mutlu, Polym. Chem., 2019, 10, 4513
DOI: 10.1039/C9PY00834A

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