Newly designed nanoparticle quantum dots simultaneously target and image prostate tumors
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Emory University scientists have
for the first time used a new class of luminescent "quantum dot"
nanoparticles in living animals to simultaneously target and image cancerous tumors. The quantum dots were encapsulated in a highly protective polymer coating and attached to a monoclonal antibody that guided them to prostate tumor sites in living mice, where they were visible using a simple mercury lamp. The scientists believe the ability to both target and image cells in vivo represents a significant step in the quest to eventually use
nanotechnology to target, image, and treat cancer, cardiovascular plaques, and neurodegenerative disease in humans. The findings were published on-line July 18 in the journal Nature Biotechnology and will appear in the journal's August 1 print edition.
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