Please use this identifier to cite or link to this item: https://doi.org/10.1166/jnn.2007.415
Title: Multi-functional chitosan nanoparticles encapsulating quantum dots and Gd-DTPA as imaging probes for bio-applications
Authors: Tani, W.B. 
Zhang, Y. 
Keywords: Chitosan
Fluorescent
Gd-DTPA
Magnetic
Nanoparticle
Quantum dot
Issue Date: Jul-2007
Citation: Tani, W.B., Zhang, Y. (2007-07). Multi-functional chitosan nanoparticles encapsulating quantum dots and Gd-DTPA as imaging probes for bio-applications. Journal of Nanoscience and Nanotechnology 7 (7) : 2389-2393. ScholarBank@NUS Repository. https://doi.org/10.1166/jnn.2007.415
Abstract: Chitosan was used to encapsulate both CdSe/ZnS quantum dots (QDs) and the magnetic resonance imaging (MRI) contrast agent gadolinium- diethylenetriaminepentaacetate (Gd-DTPA), forming multi-functional nanoparticles that can be used in a wide range of in vitro or in vivo studies as fluorescent biological labels as well as MRI contrast agents, respectively. Multi-color QDs at pre-determined molar ratios were encapsulated into chitosan nanoparticles to produce bar-coding fluorescent labels. The encapsulated QDs and Gd-DTPA still maintained their desirable optical properties and relatively high relaxivity, respectively. The chitosan nanoparticles also showed good aqueous stability and enhanced biocompatibility on myoblast cells. Copyright © 2007 American Scientific Publishers All rights reserved.
Source Title: Journal of Nanoscience and Nanotechnology
URI: http://scholarbank.nus.edu.sg/handle/10635/67173
ISSN: 15334880
DOI: 10.1166/jnn.2007.415
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