News tagged with dye molecules
Where no lab has gone before: Single-Molecule Electrokinetic Traps
(PhysOrg.com) -- To study the behavior of large protein complexes and long DNA chains in solution, researchers use so-called molecular traps. However, earlier traps have proven ineffective when working with s ...
May 25, 2011 |
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Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...
Oct 30, 2009 |
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Multi-component nano-structures with tunable optical properties
(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory report the first successful assembly of 3-D multi-component nanoscale structures with tunable optical properties ...
Nanotechnology / Nanomaterials
Sep 30, 2010 |
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Innovation puts next-generation solar cells on the horizon
In a world first, a Monash University-led international research team has developed an innovative way to boost the output of the next generation of solar cells.
Dec 01, 2009 |
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Single molecules in a quantum movie
The quantum physics of massive particles has intrigued physicists for more than 80 years, since it predicts that even complex particles can exhibit wave-like behaviour – in conflict with our everyday ...
Mar 25, 2012 |
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Glowing White: Solvent-free luminescent organic liquids for organic electronics
(PhysOrg.com) -- The future will be dominated by organic electronics, as opposed to current silicon-based technology. In the journal Angewandte Chemie, an international team of researchers has now introduced a new ...
Mar 16, 2012 |
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Light vortex: Circularly polarized luminescence from a stirred and gelled solution of dye
(PhysOrg.com) -- Simple stirring can influence light, according to a report presented in the journal Angewandte Chemie by Kunihiko Okano and co-workers. Dye molecules locked in a gel send out “helical” ...
Oct 26, 2011 |
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Laser beam makes cells 'breathe in' water and potentially anti-cancer drugs
Shining a laser light on cells and then clicking off the light makes the cells "breathe in" surrounding water, providing a potentially powerful delivery system for chemotherapy drugs, as well as a non-invasive way to target ...
Nanotechnology / Bio & Medicine
Mar 16, 2011 |
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Photon-plasmon coupling: Dye guides light through perforated metal foil
(PhysOrg.com) -- Just as photons are bundles of light energy, plasmons are energy packets of plasma oscillations—oscillations of the electron density in a solid body, which are known as surface plasmons ...
Jan 27, 2011 |
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Bio meets nano: Quantum dots as light antennas for artificial photosynthetic systems
(PhysOrg.com) -- Our attempts to use solar energy continue to be very ineffective; the true masters of this craft are photosynthetic plants, algae, and bacteria. Science is trying to emulate these organisms.
Oct 01, 2010 |
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Purple light means go, ultraviolet light means stop
A new membrane developed at the University of Rochester's Laboratory for Laser Energetics blocks gas from flowing through it when one color of light is shined on its surface, and permits gas to flow through when another color ...
Aug 01, 2010 |
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New molecular framework could lead to flexible solar cells
(PhysOrg.com) -- Making better solar cells: Cornell University researchers have discovered a simple process - employing molecules typically used in blue jean and ink dyes - for building an organic framework ...
Jun 29, 2010 |
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Harnessing Nanoparticles To Track Cancer Cell Changes
The more dots there are, the more accurate a picture you get when you connect them. Cancer researchers adopting that philosophy have developed a new imaging technology that could give scientists the ability to simultaneously ...
Nanotechnology / Bio & Medicine
Jul 03, 2009 |
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Scientists harness nanoparticles to track cancer-cell changes
The more dots there are, the more accurate a picture you get when you connect them. A new imaging technology could give scientists the ability to simultaneously measure as many as 100 or more distinct features in or on a ...
Nanotechnology / Bio & Medicine
Apr 15, 2009 |
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Glowing 'Cornell dots' can show surgeons where tumors are
(PhysOrg.com) -- Brightly glowing nanoparticles known as "Cornell dots" are a safe, effective way to "light up" cancerous tumors so surgeons can find and remove them.
Nanotechnology / Bio & Medicine
Feb 19, 2009 |
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