News tagged with chlorophylls
Designing a dye you can count on
Natural substances such as chlorophyll and the heme pigment of red blood cells contain colorful molecules known as porphyrins. They owe their exceptional visual characteristics to a ‘macrocyclic’ ...
May 24, 2012 |
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Plants may have a single ancestor
(PhysOrg.com) -- An international group of scientists has analyzed the DNA of primitive microscopic algae, and their findings suggest that all plants on Earth may have had a single ancestor.
Feb 17, 2012 |
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Trees adapt to poor levels of sunlight to effectively process carbon, study shows
In Europe forests appear evergreen even in the cloudiest conditions, while the lush interiors of Asian jungles are typically overshadowed by a dense canopy. The ability of trees to adapt to light conditions, and even increase ...
Nov 15, 2011 |
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Colorful leaves: New chlorophyll decomposition product found in Norway maple
(PhysOrg.com) -- Autumn is right around the corner in the northern hemisphere and the leaves are beginning to change color. The cause of this wonderful display of reds, yellows, and oranges is the decomposition ...
Oct 10, 2011 |
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Researchers create organic nanoparticle that uses sound and heat to find, treat tumors
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 ...
Nanotechnology / Bio & Medicine
Mar 20, 2011 |
5 / 5 (1) |
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Alternating stacks of planar cations and dipyrrole-containing anions provides concept for new materials
(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 ...
Dec 10, 2010 |
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Leaf-like solar cells: Water-based 'artificial leaf' produces electricity
(PhysOrg.com) -- A team led by a North Carolina State University researcher has shown that water-gel-based solar devices - "artificial leaves" - can act like solar cells to produce electricity. The findings prove the concept ...
Nanotechnology / Nanomaterials
Sep 24, 2010 |
4.3 / 5 (16) |
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Scientists discover first new chlorophyll in 60 years
(PhysOrg.com) -- University of Sydney scientists have stumbled upon the first new chlorophyll to be discovered in over 60 years and have published their findings in the international journal Science.
Aug 20, 2010 |
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Coccolithophore growth and calcification -- a possible role for iron
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 ...
Space & Earth / Earth Sciences
Jun 30, 2010 |
5 / 5 (1) |
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Don't Compare Bananas to Pears
(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.
Jun 23, 2010 |
4.7 / 5 (3) |
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Artificial nose can distinguish between coffee brands
(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 ...
Chemistry / Analytical Chemistry
Feb 19, 2010 |
3.8 / 5 (8) |
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Green energy management: How plants cope with variable light conditions
Plants use energy derived from sunlight to form sugars from carbon dioxide and water by the process of photosynthesis. Recent discoveries made by a research group at Ludwig-Maximilians-Universitaet in Munich, Germany, provide ...
Jan 27, 2010 |
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Green sea slug makes chlorophyll like a plant
(PhysOrg.com) -- Scientists from the University of South Florida in Tampa have found a green sea slug is able to synthesize chlorophyll like a plant, which makes it the first animal known to be capable of ...
Jan 12, 2010 |
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Warmer means windier on world's biggest lake
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.
Space & Earth / Earth Sciences
Nov 15, 2009 |
3.5 / 5 (8) |
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Bananas Gone Bad Glow Blue in UV-Light
(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 ...
Sep 09, 2009 |
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