“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.
... an 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 ...
... step. Using commercially available starting materials, they have synthesized highly uniform and efficient quantum dots for a range of frequencies and shown them to be stable in aqueous solutions for ...
... change would be siRNA blocking cells' production of an unwanted protein.
The exact reason that the quantum dots were more effective than previous techniques is, however, still a mystery.
"We ...
... , 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.
... exposure, but so 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 ...
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.
... developed 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 ...
... customized set-up, which includes two lasers—one shining from above the quantum dot and the other illuminating it from the side—the researchers were able to manipulate energy states in a quantum dot ...
(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
... promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their size and possible toxicity. Scientists at Emory ...
... 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.
... -based electronic devices, such as ultra low power computers. "The capacity to compose these quantum dots on silicon, the most established electronic material, and to achieve control over electron ...
Researchers in Texas are reporting that quantum dots (QDs) -- a product of the revolution in nanotechnology increasingly used in electronics, solar cells, and medical imaging devices -- may be toxic ...
