Issue 25, 2013
From the journal:

Soft Matter

Conformational changes upon high pressure induced hydration of poly(N-isopropylacrylamide) microgels†

Sebastian Grobelny,‡a   Christian H. Hofmann,‡b   Mirko Erlkamp,a   Felix A. Plamper,b   Walter Richtering*b  and  Roland Winter*a  

* Corresponding authors

a Faculty of Chemistry, Physical Chemistry I, TU Dortmund University, Otto-Hahn-Straße 6, 44227 Dortmund, Germany
E-mail: roland.winter@tu-dortmund.de
Fax: +49 231 7553001
Tel: +49 231 753900

b Institute of Physical Chemistry, RWTH Aachen University, Landoltweg 2, 52056 Aachen, Germany
E-mail: richtering@rwth-aachen.de
Fax: +49 241 8092327
Tel: +49 241 8094760

Abstract

We investigated thermosensitive poly(N-isopropylacrylamide) microgels by high-pressure small angle X-ray scattering and Fourier-transform infrared spectroscopy below and above the collapse temperature. The measurements reveal little pressure-induced deswelling below the volume phase transition temperature and clear re-swelling of the collapsed gels at temperatures above the VPTT.

Graphical abstract: Conformational changes upon high pressure induced hydration of poly(N-isopropylacrylamide) microgels

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Article information

DOI
https://doi.org/10.1039/C3SM27653H
Article type
Communication
Submitted
17 Nov 2012
Accepted
10 May 2013
First published
20 May 2013

Soft Matter, 2013,9, 5862-5866

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Conformational changes upon high pressure induced hydration of poly(N-isopropylacrylamide) microgels

S. Grobelny, C. H. Hofmann, M. Erlkamp, F. A. Plamper, W. Richtering and R. Winter, Soft Matter, 2013, 9, 5862 DOI: 10.1039/C3SM27653H

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