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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/960

Title: Non-heavy metal quantum dots for biomedical applications
Authors: Li, Hui
Shih, Wan Y.
Shih, Wei-Heng
Keywords: Diagnostics;Testing;Therapeutics
Issue Date: 2006
Citation: Poster presented at Biomedical Technology Showcase 2006, Philadelphia, PA. Retrieved 18 Aug 2006 from http://www.biomed.drexel.edu/new04/Content/Biomed_Tech_Showcase/Poster_Presentations/W.Y.Shih_2.pdf.
Abstract: Quantum dots (QDs) are semiconductor nanocrystals that exhibit distinctive photoluminescence properties due to the quantum confinement effect. We have developed a unique aqueous synthesis route to produce highly luminescent non-heavy metal ZnS QDs capped with carboxylated molecules in one single step. They differ from commercial quantum dots in that they do not contain toxic heavy metals and that they are very small, ideal for invivo biomarker applications. The carboxyl-capped QDs are 2-5 nm in size, biologically-benign, stable, and ready for conjugation with proteins or other biomolecules as fluorescence markers for molecular tracking and disease diagnoses.
Description: Item from the Biomedical Technology Showcase held July 20, 2006 at Drexel University's Bossone Research Enterprise Center.
URI: http://hdl.handle.net/1860/960
Appears in Collections:Biomedical Technology Showcase, 2006

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