A team of scientists from Princess Margaret Hospital have created an organic nanoparticle that is completely non-toxic, biodegradable and nimble in the way it uses light and heat to treat cancer and deliver drugs. (A nanoparticle ...
Bio & Medicine
Mar 20, 2011
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(PhysOrg.com) -- Pyrroles, which are rings containing one nitrogen and four carbon atoms, are essential components of our red hemoglobin as well as the green chlorophyll in plants. Japanese researchers led by Hiromitsu Maeda ...
Materials Science
Dec 10, 2010
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Lack of sufficient iron may be a significant factor in controlling massive blooms of Emiliania huxleyi, a globally important species of marine algae or phytoplankton, according to research led by researchers at the National ...
Earth Sciences
Jun 30, 2010
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(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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(PhysOrg.com) -- A team of chemists led by Ken Suslick from the University of Illinois in Urbana-Champaign, have developed a coffee analyzer than can distinguish between ten well-known commercial brands of coffee and can ...
Rising water temperatures are kicking up more powerful winds on Lake Superior, with consequences for currents, biological cycles, pollution and more on the world's largest lake and its smaller brethren.
Earth Sciences
Nov 15, 2009
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(PhysOrg.com) -- Nicholas Turro of Columbia University, Bernhard Krautler of the University of Innsbruck, Austria and their colleagues have found that, as chlorophyll ages and begins to disintegrate in banana peels it does ...
Biochemistry
Sep 9, 2009
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An international team of researchers has modified chlorophyll from an alga so that it resembles the extremely efficient light antennae of bacteria. The team was then able to determine the structure of these light antennae. ...
Biochemistry
Jun 29, 2009
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(PhysOrg.com) -- An international team of scientists has determined the structure of the chlorophyll molecules in green bacteria that are responsible for harvesting light energy. The team's results one day could be used ...
Biotechnology
May 4, 2009
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Heat stress induces and accelerates leaf senescence, which is characterized by a loss of chlorophyll and cellular membrane deterioration, as well as oxidative damage). Leaf senescence can be exacerbated by the hormone ethylene, ...
Molecular & Computational biology
Dec 27, 2023
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