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photosynthesis News
Spinach Power Boosts Si Solar Cells
NASHVILLE, Tenn., Sept. 5, 2012 — Popeye’s not the only one who can get a big power boost from spinach: Combining the vegetable’s photosynthetic protein with silicon produces significantly higher current levels than can be achieved by other such "biohybrid" cells composed of the plant protein and metal.
X-ray, Optical Wave Mix Probes Atomic-Scale Light
BERKELEY, Calif., Aug. 31, 2012 — A long-awaited technique for watching how light interacts with matter on the atomic scale was demonstrated by mixing x-ray and optical lightwaves. Vision, photosynthesis and solar cells are a few examples of the ways light changes matter, but how...
Artificial leaf could charge up developing world
Aug 1, 2012 — The first practical artificial leaf – composed of silicon, nickel and cobalt – can convert sunlight into chemical fuel, a milestone in the drive for sustainable energy that mimics the process of photosynthesis. Unlike earlier devices,...
Spinach may hold key to understanding photosynthesis
Jun 1, 2012 — Photosynthesis is vital to the continued survival of life on Earth because it produces most of Earth’s supply of oxygen. For a long time, scientists have been convinced that if they could completely understand how photosynthesis works, they...
Artificial Leaf Could Bring Electricity to Developing World
CAMBRIDGE, Mass., May 14, 2012 — The first practical artificial leaf, composed of silicon, nickel and cobalt, can convert sunlight into chemical fuel, a milestone in the drive for sustainable energy that mimics the process of photosynthesis.
Key to Understanding Photosynthesis Found in Spinach
ATLANTA, April 13, 2012 — Using Fourier transform infrared spectroscopy, researchers at the Georgia Institute of Technology showed the importance of a hydrogen bonding water network in the photosynthesis substructure called photosystem II. The work helps clarify how ammonia...
Biomimetic Antenna May Transform Solar Devices
ST. LOUIS, Dec. 5, 2011 — A newly developed light-harvesting antenna modeled on the chlorosome found in green bacteria could transform solar-powered devices and give silicon and printed dye photovoltaics a run for their money. The invention of the solar cell in 1941...
Improved photosynthesis increases fuel, food production
SWINDON, UK — Overcoming some fundamental limitations of photosynthesis could lead to major increases in crop yields, bioenergy and the production of renewable chemicals, and five new research projects have taken up the cause. The new research complements...
New Nanomaterials Control, Direct Light Energy
TORONTO, Canada, July 18, 2011 — Inspired by photosynthesis, researchers have engineered a new generation of nanomaterials that control and direct the energy absorbed from light. "Nanotechnologists have for many years been captivated by quantum dots — particles of...
Optical Circuit Enables New Quantum Tech Approach
BRISTOL, England, June 29, 2011 — A fundamental building block for quantum computing that could soon be employed in a range of quantum technologies has been demonstrated. This quantum logic gate, acting on four photons, could lead to secure communications, precision measurement and...
Global Fluorescence Map Offers New View Of Plants
GREENBELT, Md., June 8, 2011 — Groundbreaking maps of land-based plant fluorescence are revealing new information for the first time regarding vegetation spanning the entire globe. To date, most satellite-derived information related to the health of vegetation has come from...
Solar Smackdown: Photovoltaics vs. Photosynthesis
PHOENIX, May 16, 2011 — Because photosynthesis and photovoltaics harvest energy from the sun in distinctly different ways and produce different fuels, it is difficult to compare energy conversion efficiency. "In order to make meaningful comparisons between photosynthesis...
Mimicking photosynthesis for cheap hydrogen fuel
UNIVERSITY PARK, Pa. – Production of inexpensive hydrogen for automotive or jet fuel may one day be possible by mimicking photosynthesis, but a number of hurdles first must be overcome. Scientists at Pennsylvania State University have developed an artificial system...
US, UK Fund Photosynthesis Improvements
ARLINGTON, Va., April 4, 2011 — Scientists in the US and the UK have been awarded funding totaling more than $10.3 million to improve the process of biological photosynthesis. The US National Science Foundation (NSF) and the UK Biotechnology and Biological Sciences Research...
X-ray Laser Lights Up Little Wonders
MENLO PARK, Calif., Feb. 3, 2011 — Two new studies demonstrate how the unique capabilities of the world’s first hard X-ray free-electron laser — the Linac Coherent Light Source, located at the Department of Energy’s SLAC National Accelerator Laboratory — could...
Turning Gold to Purple to Harvest Sunlight
PROVO, Utah, Jan. 31, 2011 — Professor Richard Watt and his chemistry students at Brigham Young University suspected that a common protein could potentially react with sunlight and harvest its energy — similar to what chlorophyll does during photosynthesis. They...
PV System Self-assembles and Self-repairs
CAMBRIDGE, Mass., Sept. 21, 2010 — MIT scientists have created a set of self-assembling molecules that can turn sunlight into electricity, much like plants that convert sunlight into stored energy. These novel molecules can be repeatedly broken down and then reassembled quickly, just...
Quantum Optical Chip Ramps Up Computing
BRISTOL, England, Sept. 16, 2010 — A new approach to computing that uses a quantum optical chip could soon be used to perform complex calculations that cannot be done by today’s computers, according to an international research group led by scientists from the University of...
Atom's Electrons Move in Real Time
BERKELEY, Calif., Aug. 9, 2010 — Using ultrashort flashes of laser light, scientists have directly observed the movement of an atom’s outer electrons for the first time. Through a process called attosecond absorption spectroscopy, the international team of scientists...
Frog’s foam fashions fuel
Jun 7, 2010 — With the inevitable decline of fossil fuels, the race is on to discover renewable energy solutions. As an alternative, researchers from the University of Cincinnati have found a way to convert solar energy and carbon dioxide into sugars to create...
Imaging Photosynthetic Dynamics
GOTHENBURG, Sweden, May 11, 2010 — Researchers at the University of Gothenburg have managed, with the help of an advanced x-ray flash, to photograph the movement of atoms during photosynthesis. Photograph of a photosynthetic reaction taken with an 80-ms x-ray pulse. The...
Light moves in not-so-mysterious ways
ERLANGEN, Germany – How can we search the Internet more quickly? How will future quantum computer networks operate? What is happening during the fast energy transfer in photosynthesis? These and many other questions related to the dynamics of complex systems are now...
Solar Energy Converted to Sugars
CINCINNATI, March 19, 2010 – Thanks to a semitropical frog species, energy from the sun and carbon from the air are being converted to sugars, which in turn can be turned into new forms of biofuels. In nat...
Photons Led Astray
ERLANGEN, Germany, Feb. 17, 2010 – An international team, headed by researchers at the Max Planck Institute for the Science of Light, is using polarized light (light waves that oscillate in a particular plane) to de...
Making energy personal
Oct 1, 2009 — A plan sketched out on the back of a paper placemat may one day result in portable, personal power. It all began when Arunas A. Chesonis invited MIT professor Daniel G. Nocera to lunch and asked him what he would do with $10 million from the...
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April 2024
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