Navigation Links
X-ray laser sees photosynthesis in action
Date:2/14/2013

Opening a new window on the way plants generate the oxygen we breathe, researchers used an X-ray laser at the Department of Energy's (DOE) SLAC National Accelerator Laboratory to simultaneously look at the structure and chemical behavior of a natural catalyst involved in photosynthesis for the first time.

The work, made possible by the ultrafast, ultrabright X-ray pulses at SLAC's Linac Coherent Light Source (LCLS), is a breakthrough in studying atomic-scale transformations in photosynthesis and other biological and industrial processes that depend on catalysts, which efficiently speed up reactions. The research is detailed in a Feb. 14 paper in Science.

"All life that depends on oxygen is dependent on photosynthesis," said Junko Yano, a Lawrence Berkeley National Laboratory chemist and co-leader in the experiment. "If you can learn to do this as nature does it, you can apply the design principles to artificial systems, such as the creation of renewable energy sources. This is opening up the way to really learn a lot about changes going on in the catalytic cycle."

Catalysts are vital to many industrial processes, such as the production of fuels, food, pharmaceuticals and fertilizers, and represent a $12 billion-per-year market in the United States alone. Natural catalysts are also key to the chemistry of life; a major goal of X-ray science is to learn how they function in photosynthesis, which produces energy and oxygen from sunlight and water.

The LCLS experiment focused on Photosystem II, a protein complex in plants, algae and some microbes that carries out the oxygen-producing stage of photosynthesis. This four-step process takes place in a simple catalyst a cluster of calcium and manganese atoms. In each step, Photosystem II absorbs a photon of sunlight and releases a proton and an electron, which provide the energy to link two water molecules, break them apart and release an oxygen molecule.

Past s
'/>"/>

Contact: Andy Freeberg
afreeberg@slac.stanford.edu
650-926-4359
DOE/SLAC National Accelerator Laboratory
Source:Eurekalert  

Page: 1 2 3

Related biology technology :

1. High-energy X-rays shine light on mystery of Picassos paints
2. X-ray laser helps fight sleeping sickness
3. Advance in X-ray imaging shines light on nanomaterials
4. X-ray vision exposes aerosol structures
5. CU-Boulder physicists use ultrafast lasers to create first tabletop X-ray device
6. NTU research embraces laser and sparks cool affair
7. INRS develops a nanohybrid with remarkable properties using a new laser-plasma process
8. Recently FDA-Approved Full Neck Treatment for Sagging Skin Now Available at Maryland Laser Skin and Vein Institute
9. Researchers create laser the size of a virus particle
10. From lectures to explosives detection: Laser pointer identifies dangerous chemicals in real-time
11. Worlds smallest semiconductor laser created by University of Texas scientists
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
X-ray laser sees photosynthesis in action
(Date:1/22/2015)... Dr. Greg Leyer of UAS Labs recently was ... Pre-Conference seminar on probiotics in San Diego, CA. , ... conference for health care professionals. This year’s pre-conference seminar was ... in health. Dr. Leyer spoke about the emerging topics and ...
(Date:1/22/2015)... Geneva, Switzerland (PRWEB) January 22, 2015 ... for characterized mammalian Research Cell Banks (RCBs) used for ... generated Research Cell Banks will include Next-Generation Sequencing ... cell’s genetic architecture de-risks biologic manufacturing by ensuring the ...
(Date:1/22/2015)... NEW BRUNSWICK , Nueva Jersey , 22 ... Award for Biomedical Research abre hoy su llamada ... las personas cuya investigación científica ha hecho, o tiene ... de la salud humana. Las nominaciones se aceptarán hasta ...
(Date:1/22/2015)... , Jan. 22. 2015  Varian Medical Systems (NYSE: ... has been honored for its commitment to sustainability with inclusion ... Varian is the highest ranked healthcare equipment company among the ... during the World Economic Forum at Davos, Switzerland ...
Breaking Biology Technology:Selexis Generated Research Cell Banks Now Fully Sequenced Using Next-Generation Sequencing 2El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 2El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 3El Dr. Paul Janssen Award for Biomedical Research emite su llamada a los nominados para 2015 4Varian Honored Among World's 100 Most Sustainable Corporations 2
... 7, 2011 Reportlinker.com announces that ... available in its catalogue: ... Base, Applications, Purchase Plans and The ... http://www.reportlinker.com/p0681348/DNA-Microarray-Market-Trends-Installed-Base-Applications-Purchase-Plans-and-The-Impact-of-Next-Gen-Sequencing.html#utm_source=prnewswire&utm_medium=pr&utm_campaign=In_Vitro_Diagnostic ...
... Single vaccination effective against all influenza strains ... SEEK, a leading UK privately-owned drug-discovery group, today announced ... Vaccine Phase II challenge study. The full data will be ... USA. FLU-v is the first of a new ...
... 6, 2011 The shortlist of contenders for ... school students narrowed tonight as the winners of ... Region One Finals were announced.  Cancer stem cell ... scholarship for Angela Zhang of Cupertino, California.  Research ...
Cached Biology Technology:DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 2DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 3DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 4DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 5DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 6DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 7DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 8DNA Microarray Market Trends (Installed Base, Applications, Purchase Plans and the Impact of Next-Gen Sequencing) 9SEEK Announces Successful Phase II Challenge Study of its Universal Influenza Vaccine, FLU-v 2SEEK Announces Successful Phase II Challenge Study of its Universal Influenza Vaccine, FLU-v 3SEEK Announces Successful Phase II Challenge Study of its Universal Influenza Vaccine, FLU-v 4Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 2Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 3Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 4Biochemistry and Bioengineering Research Brings California Students Closer to Nation's Highest Science Honor for High School Students 5
(Date:1/22/2015)... 2015  Today, FreeWavz ( www.FreeWavz.com ), the developer ... on Fundable, https://www.fundable.com/freewavz . FreeWavz will be ... to meet customer demand. Logo - ... Invented by Dr. ...
(Date:1/22/2015)... N.C. , Jan. 16, 2015  A man-made form ... memory and other mental capabilities in adults with mild ... pilot study led by researchers at Wake Forest Baptist ... adults diagnosed with amnesic mild cognitive impairment (MCI) or ...
(Date:1/22/2015)... Report Issued by Small Cap IR. In 2011, Nilson Report,s ... at merchants on the leading payment cards rose to $135.3 ... and prepaid cards reached 6.54 billion.  Eight million credit card ... in 2012, and credit and debit card fraud resulted in ...
Breaking Biology News(10 mins):FreeWavz Launches on Fundable to Drive Speed-to-Market in 2015 2Nasal Spray with Insulin Equivalent Shows Promise as Treatment for Adults with Mild Cognitive Impairment, Alzheimer's Dementia 2Nasal Spray with Insulin Equivalent Shows Promise as Treatment for Adults with Mild Cognitive Impairment, Alzheimer's Dementia 3$4.80 Near Term Price Target with "Buy" given by CapRock Research for NXT-ID, Inc. (NASDAQ: NXTD) issued by Small Cap IR 2
... John Smol of Queen,s University in Kingston, Ontario, Canada, ... one of the five prestigious Premier,s Discovery Awards for 2009. ... of the Environmental Scientists of the Year by The Royal ... is series editor of the Springer book series Developments in ...
... Mass., June 2, 2009 -- New research shows some bees ... hind legs while flying. But this approach comes at a ... flight by roughly 30 percent, and cutting into the bees, ... Proceedings of the National Academy of Sciences . ...
... Ocean acidification, a direct result of increased CO2 emission, ... and may have a direct impact on our economy, ... Intensive fossil-fuel burning and deforestation over the last ... 40%, which has in turn fundamentally altered ocean chemistry ...
Cached Biology News:Springer Series editor John Smol receives two prestigious biology awards 2Trading energy for safety, bees extend legs to stay stable in wind 2Who will pick up the bill? 2
... Fujifilm Life Science FLA-8000 Fluorescent Image Analyzer ... a single laser imaging system. This powerful ... labeled with fluorescent dyes or radioisotopes at ... demanding laboratories. Speed, image quality and flexibility ...
... cover slips for in situ hybridization,in ... on glass slides., Constant probe ... not adsorb probes. , Ready-to-use-Hybri-slips do ... , Avoid RNA degradation-Hybri-slips are supplied ...
...
...
Biology Products: