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Permanent link (DOI): https://doi.org/10.7939/R3MX14

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Towards a Better Understanding of Poly(N-isopropylacrylamide) Microgel-Based Etalons and their Continued Development in Diagnostics Open Access

Descriptions

Other title
Subject/Keyword
Microgel
Transition Temperature
POC
Volume Phase Transition Temperature
Sensing
Etalon
Photonic
LCST
Poly(N-isopropylacrylamide)
pNIPAm
VPTT
Lower Critical Solution Temperature
Point-of-care
Diagnostics
Hydrogel
Responsive Polymer
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Heppner, Ian N
Supervisor and department
Serpe, Michael (Chemistry)
Examining committee member and department
Campbell, Robert (Chemistry)
McDermott, Mark (Chemistry)
Department
Department of Chemistry
Specialization

Date accepted
2013-07-08T09:30:21Z
Graduation date
2013-11
Degree
Master of Science
Degree level
Master's
Abstract
Poly(N-isopropylacrylamide) (pNIPAm) microgel-based etalons are photonic materials that exhibit color based on temperature or other environmental stimuli. These materials provide a new and unique method for biosensing and other applications. Therefore it is important to understand these materials and to continue developing the materials in order to realise their full potential. This work examines the development of these materials in point-of-care (POC) diagnostics by exploring new and less expensive materials for etalon fabrication as well as examining the volume phase transition temperature of pNIPAm microgels and how it’s affected by confinement in the etalon. It was found that the metal used in fabricating the device did not have a significant impact on the optical properties of the device. Additionally it was determined that the volume phase transition temperature (VPTT) of the microgels was not affected by their confinement in the device, and a VPTT was measured at methanol concentrations where no transition was previously observed.
Language
English
DOI
doi:10.7939/R3MX14
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
Citation for previous publication
Heppner, I.; Serpe, M., Poly (N-isopropylacrylamide) microgel-based etalons constructed from various metal layers. Colloid Polym. Sci. 2013, 1-6.

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