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Issue 115, 2015
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Using the hydrolysis of anhydrides to control gel properties and homogeneity in pH-triggered gelation

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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

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Publication details

The article was received on 29 Sep 2015, accepted on 28 Oct 2015 and first published on 29 Oct 2015


Article type: Paper
DOI: 10.1039/C5RA22253B
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RSC Adv., 2015,5, 95369-95378
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    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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