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CO2/pH-responsive particles with built-in fluorescence read-out

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Mabire, Anne B., Brouard, Quentin, Pitto-Barry, Anaïs, Williams, Rebecca J., Willcock, Helen, Kirby, Nigel, Chapman, Emma and O'Reilly, Rachel K. (2016) CO2/pH-responsive particles with built-in fluorescence read-out. Polymer Chemistry, 7 (38). pp. 5943-5948. doi:10.1039/C6PY01254J

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Official URL: http://dx.doi.org/10.1039/C6PY01254J

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Abstract

A novel fluorescent monomer was synthesized to probe the state of CO2-responsive cross-linked polymeric particles. The fluorescent emission of this aminobromomaleimide-bearing monomer, being sensitive to protic environments, can provide information on the core hydrophilicity of the particles and therefore indicates the swollen state and size of the particles. The particles’ core, synthesized from DEAEMA (N,N-diethylaminoethyl methacrylate), is responsive to CO2 through protonation of the tertiary amines of DEAEMA. The response is reversible and the fluorescence emission can be recovered by simply bubbling nitrogen into the particle solution. Alternate purges of CO2 and N2 into the particles’ solution allow several ON/OFF fluorescence emission cycles and simultaneous particle swelling/shrinking cycles.

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Science > Chemistry
Library of Congress Subject Headings (LCSH): Smart materials , Fluorescent polymers
Journal or Publication Title: Polymer Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1759-9954
Official Date: 6 September 2016
Dates:
DateEvent
6 September 2016Published
29 August 2016Accepted
20 July 2016Submitted
Date of first compliant deposit: 27 February 2017
Volume: 7
Number: 38
Page Range: pp. 5943-5948
DOI: 10.1039/C6PY01254J
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Funder: British Petroleum Company (BP), Engineering and Physical Sciences Research Council (EPSRC)

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