Issue 30, 2012
From the journal:

Soft Matter

The effect of polymer additives on the rheological properties of dipeptide hydrogelators†

Guillaume Pont,a   Lin Chen,b   David G. Spillerc  and  Dave J. Adams*b  

* Corresponding authors

a Ecole Nationale Superieure de Clermont Ferrand, Ensemble Scientifique des Cézeaux, 24 Avenue des Landais – BP 10187, 63174 Aubiere Cedex, France

b Department of Chemistry, University of Liverpool, Crown Street, Liverpool, UK
E-mail: d.j.adams@liverpool.ac.uk

c Systems Microscopy Centre, Faculty of Life Sciences, Michael Smith Building, Oxford Road, Manchester, UK

Abstract

We describe the effect of polymeric additives on the molecular gelation of two N-functionalized dipeptides. Hydrogelation was triggered by the addition of aqueous solutions to the dipeptide in DMSO. Gels can be formed in the presence of high concentrations of additives. The rheological properties of the gels are also remarkably tolerant to the presence of polymeric additives. When dextrans were used as additives, the effect on the rheological properties was determined by the viscosity of the dextran solutions. Examining a range of other polymer additives, it is clear that polymer structure is also an important parameter.

Graphical abstract: The effect of polymer additives on the rheological properties of dipeptide hydrogelators

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Article information

DOI
https://doi.org/10.1039/C2SM25918D
Article type
Paper
Submitted
20 Apr 2012
Accepted
19 Jun 2012
First published
26 Jun 2012

Soft Matter, 2012,8, 7797-7802

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The effect of polymer additives on the rheological properties of dipeptide hydrogelators

G. Pont, L. Chen, D. G. Spiller and D. J. Adams, Soft Matter, 2012, 8, 7797 DOI: 10.1039/C2SM25918D

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