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Running electronics using light
Oct 19, 2009 |
4.3 / 5 (19) |
1
(PhysOrg.com) -- "If you open up almost any electronic gadget, you will see various elements that operating using electric circuitries," Nader Engheta tells PhysOrg.com. "Many of them have different functi ...
Could Maxwell's Demon Exist in Nanoscale Systems?
Jun 24, 2009 |
4.4 / 5 (18) |
30
(PhysOrg.com) -- Maxwell’s demon may be making a comeback. Physicists know that the demon, an imaginary creature that decreases the entropy of a system, cannot exist in macroscopic systems due to the energy ...
Using nanoparticles to increase the effiiciency of thin film solar cells
Nanotechnology / Nanomaterials
Jun 12, 2009 |
4.4 / 5 (19) |
8
Germany is one of the leading countries when it comes to efforts related to renewable energy sources. Therefore, it is no surprise that the Institute of Condensed Matter and Solid State Optics at Friedrich-Schiller-Universität ...
Can a single molecule behave as a mirror?
Nov 18, 2008 |
4.4 / 5 (59) |
7
(PhysOrg.com) -- “We have shown for the first time, theoretically, that a single molecule can behave as a perfect mirror,” Mario Agio tells PhysOrg.com. “Imagine that your mirror at home becomes a single molecule and that y ...
Flexible OLED display one-step closer with organic light emitting material direct writing
Oct 27, 2008 |
4.4 / 5 (25) |
2
(PhysOrg.com) -- One of the more interesting methods of pattern transfer available for a number of applications right now is Laser Induced Forward Transfer (LIFT). However, when working with organic material, there are some ...
Can silver nanoparticles be the key to a more compact laser?
Jun 09, 2008 |
4.4 / 5 (22) |
3
“In random media, multiple scattering and interference reduce the diffusion of light, and in case of extremely strong scattering, photon localization, or Anderson localization of light, is predicted like electrons in glasses,” ...
Tiny whispering gallery: Sensor can detect a single nanoparticle and take its measurement
12 hours ago |
5 / 5 (8) |
0
Nanotechnology has already made it to the shelves of your local pharmacy and grocery: nanoparticles are found in anti-odor socks, makeup, makeup remover, sunscreen, anti-graffiti paint, home pregnancy tests, ...
Nanoparticles used in common household items caused genetic damage in mice
Nanotechnology / Bio & Medicine
Nov 16, 2009 |
4.8 / 5 (24) |
11
Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
Nanoparticles for gene therapy improve
Nanotechnology / Bio & Medicine
Nov 06, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- About five years ago, Professor Janet Sawicki at the Lankenau Institute in Pennsylvania read an article about nanoparticles developed by MIT's Robert Langer for gene therapy, the insertion ...
Two-In-One Punch Knocks Out Drug Resistant Cancer Cells
Nanotechnology / Bio & Medicine
Nov 04, 2009 |
5 / 5 (4) |
0
(PhysOrg.com) -- Cancer cells, like bacteria, can develop resistance to drug therapy, leading to relapse of disease. One approach showing promise in overcoming multidrug resistance in tumors is to combine two different anticancer ...
Magnetic nanotags spot cancer in mice earlier than methods now in clinical use
Nanotechnology / Bio & Medicine
Oct 13, 2009 |
5 / 5 (8) |
0
Searching for biomarkers that can warn of diseases such as cancer while they are still in their earliest stage is likely to become far easier thanks to an innovative biosensor chip developed by Stanford University ...
Silver Nanoparticles Give Polymer Solar Cells A Boost
Nanotechnology / Nanomaterials
Oct 05, 2009 |
4.3 / 5 (13) |
0
(PhysOrg.com) -- Small bits of metal may play a new role in solar power. Researchers at Ohio State University are experimenting with polymer semiconductors that absorb the sun’s energy and generate electricity. The goal: ...
Better control of carbon nanotube 'growth' promising for future electronics
Nanotechnology / Nanomaterials
Oct 01, 2009 |
4.9 / 5 (9) |
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(PhysOrg.com) -- Researchers have overcome a major obstacle in efforts to use tiny structures called carbon nanotubes to create a new class of electronics that would be faster and smaller than conventional ...
When Nano May Not Be Nano
Nanotechnology / Bio & Medicine
Sep 13, 2009 |
3.3 / 5 (8) |
3
(PhysOrg.com) -- The same properties of nanoparticles that make them so appealing to manufacturers may also have negative effects on the environment and human health. However, little is known which particles ...
Tumors Feel the Deadly Sting of Nanobees
Nanotechnology / Bio & Medicine
Aug 28, 2009 |
4.8 / 5 (13) |
3
When bees sting, they pump into their victims a peptide toxin called melittin that destroys cell membranes. Now, by encapsulating this extremely potent molecule within a nanoparticle, researchers at the Washington University ...
