Search results for quantum dots:
Transforming nanowires into nano-tools using cation exchange reactions
Oct 23, 2009 |
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A team of engineers from the University of Pennsylvania has transformed simple nanowires into reconfigurable materials and circuits, demonstrating a novel, self-assembling method for chemically creating nanoscale ...
Tiny technology may yield major finds -- and possible perils
Nanotechnology / Bio & Medicine
Oct 13, 2009 |
5 / 5 (7) |
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Imagine a particle so small it would take a million of them to stretch across the period at the end of this sentence. Imagine such particles could help catch cancer cells floating in your bloodstream before they could metastasize ...
Physicists Demonstrate Three-Color Entanglement
Oct 07, 2009 |
4.3 / 5 (24) |
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(PhysOrg.com) -- For the first time, physicists have demonstrated the quantum entanglement of three light beams, all of different wavelengths. Entanglement of two light beams of different wavelengths has already ...
Physicists create first atomic-scale map of quantum dots
Sep 29, 2009 |
4.7 / 5 (13) |
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(PhysOrg.com) -- University of Michigan physicists have created the first atomic-scale maps of quantum dots, a major step toward the goal of producing "designer dots" that can be tailored for specific applications.
Researchers simplify fabrication of nano storage, chip-design tools
Sep 09, 2009 |
4.7 / 5 (7) |
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Advances by the Rice University lab of James Tour have brought graphite's potential as a mass data storage medium a step closer to reality and created the potential for reprogrammable gate arrays that could ...
Researchers develop thin films showing promise for solar applications
Nanotechnology / Nanomaterials
Sep 08, 2009 |
4.1 / 5 (8) |
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Researchers at Ben-Gurion University of the Negev have developed thin films that exhibit carrier multiplication (CM). This development is of great interest for future solar cells.
Atoms don't dance the 'Bose Nova'
Sep 03, 2009 |
4.5 / 5 (11) |
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(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 ...
Let there be light: Teaching magnets to do more than just stick around
Aug 20, 2009 |
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(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 ...
Confined electrons live longer
Aug 18, 2009 |
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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 ...
New DNA test uses nanotechnology to find early signs of cancer
Nanotechnology / Bio & Medicine
Aug 17, 2009 |
5 / 5 (2) |
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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.
Discovery about behavior of building block of nature could lead to computer revolution
Jul 30, 2009 |
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(PhysOrg.com) -- A team of physicists from the Universities of Cambridge and Birmingham have shown that electrons in narrow wires can divide into two new particles called spinons and a holons.
All-in-one nanoparticle: A Swiss Army knife for nanomedicine
Nanotechnology / Bio & Medicine
Jul 27, 2009 |
5 / 5 (3) |
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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 ...
Quantum dot research could lead to medical advances
Nanotechnology / Bio & Medicine
Jul 24, 2009 |
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(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 ...
Monitoring Cancer Cell Changes With Quantum Dots
Nanotechnology / Bio & Medicine
Jul 23, 2009 |
5 / 5 (1) |
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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 ...
One step at a time: Motor molecules use random walks to make deliveries in living cells
Jul 21, 2009 |
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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 ...
