Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging

The research work presented in this thesis focuses on the fabrication of rare earth (RE) doped nanomaterials as potential contrast agents for optical and magnetic resonance imaging. Owing to the sharp and intense emission obtained over the range of visible to the near-infrared regions in a wide vari...

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Main Author: Das, Gautom Kumar
Other Authors: Tan Thatt Yang Timothy
Format: Theses and Dissertations
Language:English
Published: 2010
Subjects:
Online Access:https://hdl.handle.net/10356/40166
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-401662023-03-03T16:02:06Z Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging Das, Gautom Kumar Tan Thatt Yang Timothy School of Chemical and Biomedical Engineering DRNTU::Engineering::Nanotechnology DRNTU::Engineering::Materials::Nanostructured materials The research work presented in this thesis focuses on the fabrication of rare earth (RE) doped nanomaterials as potential contrast agents for optical and magnetic resonance imaging. Owing to the sharp and intense emission obtained over the range of visible to the near-infrared regions in a wide variety of hosts, RE-doped nanomaterials have attracted strong interests as contrast agents in bioimaging applications. The current study has successfully demonstrated the fabrication of fluorescent, and bifunctional magnetic-fluorescent RE-doped nanomaterials as contrast agents for bioimaging. At first, doping of different RE ions in yttrium oxide (Y2O3) host was investigated to fabricate the down- and up-conversion fluorescent nanoparticles. Effect of different synthesis parameters and type of RE dopants was investigated, and optimum conditions in relation to synthesis temperature, time, and concentration of RE dopants were reported and discussed. Spherical nanocrystals and nanorods could selectively be produced by varying different synthesis conditions. An evolution mechanism has been proposed to elucidate the morphology transformation to nanorods from nanocrystals. DOCTOR OF PHILOSOPHY (SCBE) 2010-06-11T03:12:38Z 2010-06-11T03:12:38Z 2010 2010 Thesis Das, G. K. (2010). Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging. Doctoral thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/40166 10.32657/10356/40166 en 219 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Nanotechnology
DRNTU::Engineering::Materials::Nanostructured materials
spellingShingle DRNTU::Engineering::Nanotechnology
DRNTU::Engineering::Materials::Nanostructured materials
Das, Gautom Kumar
Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
description The research work presented in this thesis focuses on the fabrication of rare earth (RE) doped nanomaterials as potential contrast agents for optical and magnetic resonance imaging. Owing to the sharp and intense emission obtained over the range of visible to the near-infrared regions in a wide variety of hosts, RE-doped nanomaterials have attracted strong interests as contrast agents in bioimaging applications. The current study has successfully demonstrated the fabrication of fluorescent, and bifunctional magnetic-fluorescent RE-doped nanomaterials as contrast agents for bioimaging. At first, doping of different RE ions in yttrium oxide (Y2O3) host was investigated to fabricate the down- and up-conversion fluorescent nanoparticles. Effect of different synthesis parameters and type of RE dopants was investigated, and optimum conditions in relation to synthesis temperature, time, and concentration of RE dopants were reported and discussed. Spherical nanocrystals and nanorods could selectively be produced by varying different synthesis conditions. An evolution mechanism has been proposed to elucidate the morphology transformation to nanorods from nanocrystals.
author2 Tan Thatt Yang Timothy
author_facet Tan Thatt Yang Timothy
Das, Gautom Kumar
format Theses and Dissertations
author Das, Gautom Kumar
author_sort Das, Gautom Kumar
title Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
title_short Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
title_full Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
title_fullStr Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
title_full_unstemmed Rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
title_sort rare earth doped nanomaterials as potential contrast agents for optical/magnetic resonance imaging
publishDate 2010
url https://hdl.handle.net/10356/40166
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