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Applications of Fluorescent Quantum Dots to Stem Cell Tracing In Vivo

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Fluorescent quantum dots have great potential to act as labels in biological research, especially cellular tracking in vivo. Here, small thiol molecules-capped CdSe/ZnS quantum dots attached to Tat peptide were used for label agents, and introduced into living stem cells. The stem cells labeled with quantum dots were intravenously injected into the tail veins of NOD/SCID beta2M null mice, and whose tissue sections of major organs of null mice were examined with fluorescence microscope to assess the distribution of transplanted stem cells. Stem cells with internalized quantum dots offer a promising approach in stem cell transplantation, which will hold a significant impact on stem cell based therapy for several disorders.
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Keywords: CDSE/ZNS QUANTUM DOTS; STEM CELLS; TAT PEPTIDE; TRACKING AND IMAGING; TRANSPLANTATION

Document Type: Research Article

Publication date: 2009-10-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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