News tagged with photosystem i
Pliable proteins keep photosynthesis on the light path
May 11, 2009 |
5 / 5 (2) |
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Photosynthesis is a remarkable biological process that supports life on earth. Plants and photosynthetic microbes do so by harvesting light to produce their food, and in the process, also provide vital oxygen ...
Search results for photosystem i
Mysterious Microbe Plays Important Role in Ocean Ecology
Biology /
Nov 13, 2008 |
4.6 / 5 (26) |
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(PhysOrg.com) -- An unusual microorganism discovered in the open ocean may force scientists to rethink their understanding of how carbon and nitrogen cycle through ocean ecosystems. A paper describing the ...
Plugging in Molecular Wires
Feb 11, 2009 |
4.7 / 5 (3) |
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(PhysOrg.com) -- Plants, algae, and cyanobacteria (blue-green algae) are masters of everything to do with solar energy because they are able to almost completely transform captured sunlight into chemical energy. This is in ...
Variable light illuminates the distribution of picophytoplankton
Biology /
Dec 19, 2007 |
3.3 / 5 (3) |
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Tiny photosynthetic plankton less than a millionth of a millimeter in diameter numerically dominate marine phytoplankton. Their photosynthesis uses light to drive carbon dioxide uptake, fueling the marine food web over vast ...
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 ...
Researchers identify photosynthetic dimmer switch
Biology /
May 08, 2008 |
4.4 / 5 (9) |
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In a study of the molecular mechanisms by which plants protect themselves from oxidation damage should they absorb too much sunlight during photosynthesis, a team of researchers has discovered a molecular ...
Turning sunlight into liquid fuels (Video)
Mar 11, 2009 |
4.7 / 5 (21) |
2
(PhysOrg.com) -- For millions of years, green plants have employed photosynthesis to capture energy from sunlight and convert it into electrochemical energy. A goal of scientists has been to develop an artificial ...
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 ...
Future for clean energy lies in 'big bang' of evolution
Biology /
Aug 25, 2008 |
4.5 / 5 (19) |
3
Amid mounting agreement that future clean, "carbon-neutral", energy will rely on efficient conversion of the sun's light energy into fuels and electric power, attention is focusing on one of the most ancient groups of organism, ...
Solar cell directly splits water for hydrogen
Feb 18, 2008 |
4.2 / 5 (85) |
6
Plants trees and algae do it. Even some bacteria and moss do it, but scientists have had a difficult time developing methods to turn sunlight into useful fuel. Now, Penn State researchers have a proof-of-concept device that ...
Algae could generate hydrogen for fuel cells
Biology /
Nov 13, 2007 |
4.6 / 5 (120) |
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For several decades, scientists have known that certain species of algae can produce hydrogen in anaerobic conditions. More recently, researchers have been trying to take advantage of this ability to produce ...
List of search results for photosystem i
