(Phys.org)—Luminescent carbon nanoparticles based on carbon exhibit advantageous optical properties. They are also biocompatible, and therefore better suited for imaging procedures in the biosciences than metal-based semiconductor ...
Nanomaterials
Sep 13, 2012
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(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, whereby ...
(PhysOrg.com) -- Researchers have demonstrated a new imaging tool for tracking structures called carbon nanotubes in living cells and the bloodstream, which could aid efforts to perfect their use in biomedical research and ...
Bio & Medicine
Dec 5, 2011
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A series of new archaeological discoveries in the Sultanate of Oman, nestled in the southeastern corner of the Arabian Peninsula, reveals the timing and identity of one of the first modern human groups to migrate out of Africa, ...
Archaeology
Nov 30, 2011
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(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” (circularly ...
Materials Science
Oct 26, 2011
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An ochre-rich mixture, possibly used for decoration, painting and skin protection 100,000 years ago, and stored in two abalone shells, was discovered at Blombos Cave in Cape Town, South Africa.
Archaeology
Oct 13, 2011
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If you were to look at a carbon nanotube with the naked eye you wouldn't see much more than black powder, but now a team of EU-funded scientists has developed a novel way of making these multi-purpose nanotechnology building ...
Nanomaterials
Jul 11, 2011
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(PhysOrg.com) -- Applying statistical analysis to a truly inspirational idea, economic researchers Xi Chen and William D. Nordhaus used nighttime satellite images taken by the U.S. Department of Defense over the period 1992-2008 ...
(PhysOrg.com) -- Yellow leaves on banana plants give off a blue glow when viewed under UV light. This luminescence comes from decomposition products of chlorophyll, the substance that makes leaves green.
Biochemistry
Jun 23, 2010
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Seven new glow-in-the-dark mushroom species have been discovered, increasing the number of known luminescent fungi species from 64 to 71. Reported today in the journal Mycologia, the new finds include two new species named ...
Plants & Animals
Oct 5, 2009
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