“Precise lithographic alignment to site-controlled quantum dots is of major importance for numerous nano-photonic, nano-electronic and nano-spintronic devices,” Sven Höfling tells PhysOrg.com.
... of children becoming unconscious after swallowing Aqua Dots beads led to a voluntary recall of the product in ... the study, consumption of several dozen Aqua Dots beads containing these levels of 1,4-BD ...
... LED that produces intense, blue light. Coat it with a thin layer of special microscopic beads called quantum dots. And you have what could become the successor to the venerable light bulb.
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... ligand also serves as a tether to attach additional functional molecules that cause the dot to bind to specific proteins.
The accepted commercial method uses a high-temperature reaction (about 300 ...
... nanometers across (lining up 9,000 dots end to end would equal the width of ... unwanted protein.
The exact reason that the quantum dots were more effective than previous techniques is, however, still ...
... , called quantum dots, are dramatically better than existing methods for delivering a gene-silencing tool into cells. The quantum-dot chaperones help impede the cell's production of a given protein.
... far no studies have been conducted to date to examine that possibility. Quantum dots are fluorescent nanoparticles that may be used to improve biomedical imaging, drug delivery and diagnostic testing ...
RALEIGH, N.C., July 7 (UPI) -- U.S. scientists say they've discovered quantum dot nanoparticles can penetrate skin if there's an abrasion, raising new nanotechnology safety concerns.
... a simplified, low-cost process for producing high-quality, water-soluble quantum dots for biomedical applications. By using a laboratory microwave reactor to promote the synthesis of the widely used ...
Fluorescing dots allow researchers to trace uptake of nitrogen from soil in real time
... doing with actual single atoms since the mid-1970s and, much more recently, with the artificial quantum dot variety. With their customized set-up, which includes two lasers—one shining from above the ...
(PhysOrg.com) -- Theoretical proof of stable and measurable states extending over two quantum dots and creating offspring has now been provided for the first time. This supports the notion of what is ...
Nitrobenzyl caging group tames quantum dot luminescence until unleashed by ultraviolet light
... in the December issue of the journal Nature Nanotechnology.
"The first generation of quantum dots had optical properties that could be tuned by their size," says senior author Shuming Nie, PhD, a ...
... independent of size. Small enough to pass through the kidneys if administered systemically, the new quantum dots are expected to be useful for cancer detection and possibly in solar energy conversion.
