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Luminescent surface-active transition metal complexes as probes for sensing and supramolecular recognition architectures

Adams, Samuel Joseph (2015)
Ph.D. thesis, University of Birmingham.

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Abstract

Surface-active luminescent transition metal complexes are synthesised, characterised and successfully attached to gold surfaces for the purposes of micropatterning and biomolecular recognition. Monolayers of ruthenium(II) and iridium(III) complexes bearing disulfide moieties display enchanced lifetimes on gold surfaces compared with aerated solution, and are micropatterned through the use of microcontact printing (µCP). The monolayers also display recognition of serum protein bovine serum albumin through surface plasmon resonance spectroscopy and time-resolved and steady state luminescence spectroscopy. Mixed monolayers of these respective complexes with commercially available surfactants are studied to provide understanding of nanoparticle systems and their involvement in protein interactions. Cyclodextrin containing transition metal complexes are synthesised and characterised for the purposes of supramolecular micropatterning. Mixed monolayers of ruthenium(II) and iridium(III) complexes bearing cyclodextrin moieties can be attached through directed assembly afforded by the µCP technique. Surface-active cyclodextrin containing transition metal complexes are synthesised and characterised for use in selective biomolecular recognition and stepwise assembly. Monolayers of ruthenium(II) and iridium(III) complexes bearing cyclodextrin and disulfide moieties are shown to be luminescent on gold surfaces, and through stepwise assembly afford a selective recognition motif for the protein streptavidin through luminescence and surface plasmon resonance studies. The results indicate the potential of these systems in reusable functional sensing systems.

Type of Work:Ph.D. thesis.
Supervisor(s):Pikramenou, Zoe
School/Faculty:Colleges (2008 onwards) > College of Engineering & Physical Sciences
Department:School of Chemistry
Additional Information:

Publication resulting from research: Adams, Samuel J., et al. "Luminescent Gold Surfaces for Sensing and Imaging: Patterning of Transition Metal Probes." ACS applied materials & interfaces 6.14 (2014): 11598-11608.
http://dx.doi.org/10.1021/am502347c

Subjects:QD Chemistry
Institution:University of Birmingham
ID Code:6346
This unpublished thesis/dissertation is copyright of the author and/or third parties. The intellectual property rights of the author or third parties in respect of this work are as defined by The Copyright Designs and Patents Act 1988 or as modified by any successor legislation. Any use made of information contained in this thesis/dissertation must be in accordance with that legislation and must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the permission of the copyright holder.
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