Issue 41, 2013
From the journal:

Chemical Communications

Temperature and pH triggered release characteristics of water/fluorescein from 1-ethyl-3-methylimidazolium ethylsulfate based ionogels†

Simon Gallagher,a   Andrew Kavanagh,a   Larisa Florea,a   Douglas R. MacFarlane,b   Kevin J. Frasera  and  Dermot Diamond*a  

* Corresponding authors

a CLARITY, The Centre for Sensor Web Technologies, National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, Dublin, Ireland
E-mail: Dermot.diamond@dcu.ie
Tel: +353 1 700 5404

b School of Chemistry, Monash University, Wellington Road, Clayton, Australia

Abstract

A crosslinked poly(N-isopropylacrylamide) ionogel encapsulating an ionic liquid exhibits improved transmittance properties, enhanced water uptake/release, greater thermal actuation behaviour and distinct solvatomorphology over its hydrogel equivalent. It was also found that the rate of release of fluorescein pre-loaded into membranes was considerably enhanced for ionogels compared to equivalent hydrogels, and could be triggered through changes in pH and temperature.

Graphical abstract: Temperature and pH triggered release characteristics of water/fluorescein from 1-ethyl-3-methylimidazolium ethylsulfate based ionogels

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Article information

DOI
https://doi.org/10.1039/C3CC41272E
Article type
Communication
Submitted
18 Feb 2013
Accepted
05 Apr 2013
First published
11 Apr 2013

Chem. Commun., 2013,49, 4613-4615

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Temperature and pH triggered release characteristics of water/fluorescein from 1-ethyl-3-methylimidazolium ethylsulfate based ionogels

S. Gallagher, A. Kavanagh, L. Florea, D. R. MacFarlane, K. J. Fraser and D. Diamond, Chem. Commun., 2013, 49, 4613 DOI: 10.1039/C3CC41272E

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