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Proceedings Paper

Immobilization of porphyrins in hydrogels for optical sensing
Author(s): A. Sheila Holmes-Smith; David Bailly; Mahesh Uttamlal; Michael Campbell
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Paper Abstract

This paper describes a new method for the immoblization of metalloporphyrin molecules for optical oxygen sensing. The porphyrin molecules have an acrylamide group attached allowing the porphyrin indicator to be covalently bound within a hydrogel polymer. Two hydrogel monomers: hydroxyethylmethylacrylamide (HEMA) and acrylamide have been investigated to assess their suitability as host polymers for the porphyrins. The photophysics of both the base and Platinum porphyrin: tetra porphyrin are discussed. Platinum tetra porphyrin bound in a hydrogel polymer using HEMA as the monomer unit was found to have a good sensitivity to oxygen.

Paper Details

Date Published: 27 August 2003
PDF: 8 pages
Proc. SPIE 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications, (27 August 2003); doi: 10.1117/12.463988
Show Author Affiliations
A. Sheila Holmes-Smith, Glasgow Caledonian Univ. (United Kingdom)
David Bailly, Glasgow Caledonian Univ. (United Kingdom)
Mahesh Uttamlal, Glasgow Caledonian Univ. (United Kingdom)
Michael Campbell, Glasgow Caledonian Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 4876:
Opto-Ireland 2002: Optics and Photonics Technologies and Applications
Vincent Toal; Norman Douglas McMillan; Gerard M. O'Connor; Eon O'Mongain; Austin F. Duke; John F. Donegan; James A. McLaughlin; Brian D. MacCraith; Werner J. Blau, Editor(s)

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