Issue 115, 2015

Using the hydrolysis of anhydrides to control gel properties and homogeneity in pH-triggered gelation

Abstract

The pH of an aqueous solution of a low molecular weight gelator can be adjusted through the hydrolysis of a number of anhydrides to the corresponding acids. The rate of hydrolysis and hence of pH change can be used to control the rate of gel formation. This rate does not affect the primary assembly of the low molecular weight gelator, but does affect the mechanical properties of the resulting gels, as well as the homogeneity and reproducibility of the gels. The mechanical properties are compared by both rheology and dynamic nanoindentation.

Graphical abstract: Using the hydrolysis of anhydrides to control gel properties and homogeneity in pH-triggered gelation

Supplementary files

Article information

Article type
Paper
Submitted
29 Sep 2015
Accepted
28 Oct 2015
First published
29 Oct 2015
This article is Open Access
Creative Commons BY license

RSC Adv., 2015,5, 95369-95378

Author version available

Using the hydrolysis of anhydrides to control gel properties and homogeneity in pH-triggered gelation

E. R. Draper, L. L. E. Mears, A. M. Castilla, S. M. King, T. O. McDonald, R. Akhtar and D. J. Adams, RSC Adv., 2015, 5, 95369 DOI: 10.1039/C5RA22253B

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