News tagged with quantum dots
Related topics: solar cells , electrons , nanoparticles , quantum computing , light
Atoms don't dance the 'Bose Nova'
(PhysOrg.com) -- Hanns-Christoph Naegerl's research group at the Institute for Experimental Physics, Austria, has investigated how ultracold quantum gases behave in lower spatial dimensions. They successfully ...
Sep 03, 2009 |
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Let there be light: Teaching magnets to do more than just stick around
(PhysOrg.com) -- That palm tree magnet commemorating your last vacation is programmed for a simple function - to stick to your refrigerator. Similarly, semiconductors are programmed to convey bits of information small and ...
Aug 20, 2009 |
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Confined electrons live longer
Electrons that are trapped in very small structures of only a few nanometer, demonstrate fascinating features. These could be useful for novel computers or semiconductor lasers. Researchers from the University ...
Aug 18, 2009 |
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New DNA test uses nanotechnology to find early signs of cancer
Using tiny crystals called quantum dots, Johns Hopkins researchers have developed a highly sensitive test to look for DNA attachments that often are early warning signs of cancer.
Nanotechnology / Bio & Medicine
Aug 17, 2009 |
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All-in-one nanoparticle: A Swiss Army knife for nanomedicine
Nanoparticles are being developed to perform a wide range of medical uses - imaging tumors, carrying drugs, delivering pulses of heat. Rather than settling for just one of these, researchers at the University ...
Nanotechnology / Bio & Medicine
Jul 27, 2009 |
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Quantum dot research could lead to medical advances
(PhysOrg.com) -- Working with atomic-scale particles known as quantum dots, a Missouri University of Science and Technology biologist hopes to develop a new and better way to deliver and monitor proteins, medicine, DNA and ...
Nanotechnology / Bio & Medicine
Jul 24, 2009 |
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Monitoring Cancer Cell Changes With Quantum Dots
One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...
Nanotechnology / Bio & Medicine
Jul 23, 2009 |
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One step at a time: Motor molecules use random walks to make deliveries in living cells
Cells rely on tiny molecular motors to deliver cargo, such as mRNA and organelles, within the cell. The critical nature of this transport system is evidenced by the fact that disruption of motors by genetic defects leads ...
Jul 21, 2009 |
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Coupling of Single Quantum Dots to Smooth Metal Films
Scientists at Argonne National Laboratory's CNM Nanophotonics Group have measured how light emission from individual colloidal semiconductor nanocrystals, or quantum dots, is modified when in proximity to ...
Jul 20, 2009 |
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Controlling the electronic surface properties of a material
A recent breakthrough by researchers at the Swiss Nanoscience Institute sees for the first time the creation of thin films with controllable electronic properties. This discovery could have a large impact ...
Jul 17, 2009 |
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Lasers can lengthen quantum bit memory by 1,000 times
Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers.
Jun 24, 2009 |
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Controllable double quantum dots and Klein tunneling in nanotubes
Researchers from the Kavli Institute of NanoScience in Delft are the first to have successfully captured a single electron in a highly tunable carbon nanotube double quantum dot. This was made possible by a new approach for ...
May 14, 2009 |
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Physicists Detect Single-Electron Tunneling with Quantum Dots
(PhysOrg.com) -- Detecting the coherent motion of a single electron is a challenge, for the simple reason of scale: the timescale of the coherent motion of a single-electron wave function is in the picosecond ...
May 06, 2009 |
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Tiny particles make LED light more pleasing
(AP) -- Light-emitting diodes are prime candidates for replacing inefficient incandescent bulbs, but have a few things working against them. They can provide a pleasing warm light or they can be energy-efficient, ...
Nanotechnology / Nanomaterials
May 05, 2009 |
4.9 / 5 (11) |
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Nanoneedle is small in size, but huge in applications
(PhysOrg.com) -- Researchers at the University of Illinois have developed a membrane-penetrating nanoneedle for the targeted delivery of one or more molecules into the cytoplasm or the nucleus of living cells. ...
Nanotechnology / Bio & Medicine
Apr 28, 2009 |
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