Search results for chlorophyll fluorescence
New technique enables assessment of drought performance
Biology /
Nov 12, 2008 |
not rated yet |
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Measurement of chlorophyll fluorescence is an effective way of determining how well plants can cope with low-water conditions. The technique described in the open access journal Plant Methods, published by BioMed Central, allows ...
Blue bananas: Ripening bananas glow an intense blue under black light
Oct 17, 2008 |
3.8 / 5 (37) |
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(PhysOrg.com) -- Ripe bananas are of course yellow. However, under black light, the yellow bananas are bright blue, as discovered by scientists at the University of Innsbruck (Austria) and Columbia University ...
Study links plankton blooms to earthquakes
Space & Earth / Earth Sciences
May 09, 2006 |
4.4 / 5 (7) |
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A team of U.S. and Indian scientists says it has found a link between concentrations of chlorophyll in coastal waters and the occurrence of earthquakes.
Bacterium sequenced makes rare form of chlorophyll
Biology /
Feb 04, 2008 |
4.6 / 5 (22) |
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Researchers at Washington University in St. Louis and Arizona State University have sequenced the genome of a rare bacterium that harvests light energy by making an even rarer form of chlorophyll, chlorophyll d. Chlorophyll ...
Bananas Gone Bad Glow Blue in UV-Light
Sep 09, 2009 |
4 / 5 (4) |
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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 ...
Ripe Fruit Preferred
Nov 05, 2007 |
4.2 / 5 (9) |
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Fall, the season of colors: Leaves turn red, yellow, and brown. The disappearance of the color green and the simultaneous appearance of these other colors are also signs of ripening fruit.
Researchers visualize complex pigment mixtures in living cells
Biology /
Mar 04, 2008 |
5 / 5 (4) |
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In a technical advance that could allow researchers to watch cells as they act during the process of photosynthesis, scientists have developed a method that extends the power of fluorescence-mediated bio-imaging to see discrete ...
Envisat captures first image of Sargassum from space
Space & Earth / Earth Sciences
Jun 06, 2007 |
3.8 / 5 (6) |
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Sargassum seaweed, famous in nautical lore for entangling ships in its dense floating vegetation, has been detected from space for the first time thanks to an instrument aboard ESA’s environmental satellite, ...
How green is my planet?
Feb 15, 2006 |
4.4 / 5 (14) |
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Scientists from Bournemouth University and the University of Southampton have devised a new method of examining how much of the earth's surface is covered by vegetation and assessing the state of health of ...
Breakthrough made in assessing marine phytoplankton health
Space & Earth / Earth Sciences
May 28, 2009 |
5 / 5 (3) |
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Researchers from Oregon State University, NASA and other organizations said today that they have succeeded for the first time in measuring the physiology of marine phytoplankton through satellite measurements ...
Nanoscientists Create Biological Switch from Spinach Molecule
Nanotechnology / Bio & Medicine
Sep 05, 2006 |
4.2 / 5 (25) |
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Nanoscientists have transformed a molecule of chlorophyll-a from spinach into a complex biological switch that has possible future applications for green energy, technology and medicine.
Scientists determine the structure of highly efficient light-harvesting molecules in green bacteria
May 04, 2009 |
5 / 5 (5) |
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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 ...
Engineering algae to make fuel instead of sugar
Biology /
Dec 17, 2008 |
4.4 / 5 (19) |
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In pursuing cleaner energy there is such a thing as being too green. Unicellular microalgae, for instance, can be considered too green. In a paper in a special energy issue of Optics Express, the Optical Society's (OSA) ...
DNA gets new twist: Scientists develop unique 'DNA nanotags'
Nanotechnology / Bio & Medicine
Jan 26, 2007 |
4.1 / 5 (8) |
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Carnegie Mellon University scientists have married bright fluorescent dye molecules with DNA nanostructure templates to make nanosized fluorescent labels that hold considerable promise for studying fundamental chemical and ...
Climate warming affects entire lakes
Oct 18, 2005 |
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Canadian scientists in a University of Alberta study indicate global warming is producing major ecological changes in remote arctic lakes at an alarming rate.
