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News articles about "molecules"

First snapshots of water splitting in photosynthesis

An international team led by Arizona State University scientists has published today in Nature a groundbreaking study that shows the first snapshots of photosynthesis in action as it splits water into protons electrons and oxygen ... - Read More

Pressure cell for reproducing deep-Earth chemistry

A new pressure cell invented by UC Davis researchers makes it possible to simulate chemical reactions deep in the Earth's crust The cell allows researchers to perform nuclear magnetic resonance NMR measurements on as little ... - Read More

Ultrasound tracks odor representation in brain

A new ultrasound imaging technique has provided the first ever in vivo visualization of activity in the piriform cortex of rats during odor perception This deep seated brain structure plays an important role in olfaction ... - Read More

Study Yields First Snapshots of Water Splitting in Photosynthesis

Released 9 Jul 2014 4 00 PM EDTSource Newsroom Arizona State University College of Liberal Arts and Sciences more news from this source Contact Information Available for logged in reporters only Citations NatureJul 14 2014 ... - Read More

The quantum dance of oxygen: Proposal for a new phase of the element, when atoms dance in quartets

Under extremely high pressure conditions oxygen molecules group into quartets and give rise to a dance of their magnetic moments This as observed in a new study carried out by SISSA in collaboration with ICTP ... - Read More

Ironing out details of the carbon cycle: Dissolved iron in North Atlantic traced to Sahara desert

Iron is present in tiny concentrations in seawater On the order of a few billionths of a gram in a liter I did a calculation once on a ton of ocean water says Seth John ... - Read More

Identifying microbial species: New device will help identify the millions of bacteria that populate the world

Millions of microbial species populate the world but so far only a few have been identified due to the inability of most microbes to grow in the laboratory Edgar Goluch an engineer and Slava Epstein ... - Read More

Tool helps guide brain cancer surgery

A tool to help brain surgeons test and more precisely remove cancerous tissue was successfully used during surgery according to a Purdue University and Brigham and Women's Hospital study The Purdue designed tool sprays a ... - Read More

Hollow-fiber membranes could cut separation costs, energy use

Researchers have developed a microfluidic technique for fabricating a new class of metal organic framework MOF membranes inside hollow polymer fibers that are just a few hundred microns in diameter The new fabrication process believed ... - Read More

Scientists discover how 'plastic' solar panels work

Scientists don't fully understand how 'plastic' solar panels work which complicates the improvement of their cost efficiency thereby blocking the wider use of the technology However researchers at the University of Montreal the Science and ... - Read More

Up in flames: Evidence confirms combustion theory

Researchers at the Department of Energy's Lawrence Berkeley National Lab Berkeley Lab and the University of Hawaii have uncovered the first step in the process that transforms gas phase molecules into solid particles like soot ... - Read More

Scientists discover how plastic solar panels work

Scientists don't fully understand how 'plastic' solar panels work which complicates the improvement of their cost efficiency thereby blocking the wider use of the technology However researchers at the University of Montreal the Science and ... - Read More

Interlayer distance in graphite oxide gradually changes when water is added

Physicists from Umeå University and Humboldt University in Berlin have solved a mystery that has puzzled scientists for half a century They show with the help of powerful microscopes that the distance between graphite oxide ... - Read More

'Microbe sniffer' could point way to next-generation bio-refining

A new biosensor invented at the University of British Columbia could help optimize bio refining processes that produce fuels fine chemicals and advanced materials It works by sniffing out naturally occurring bacterial networks that are ... - Read More

Formation of organic thin-film transistors through room-temperature printing

Japanese researchers have established a process for forming organic thin film transistors TFTs conducting the entire printing process at room temperature under ambient atmospheric conditions Printed electronics the field in which electronic devices are produced ... - Read More

Scientists use X-rays to look at how DNA protects itself from UV light

The molecular building blocks that make up DNA absorb ultraviolet light so strongly that sunlight should deactivate them yet it does not Now scientists have made detailed observations of a relaxation response that protects these ... - Read More

Origin of life: Stanley Miller's forgotten experiments, analyzed

Stanley Miller the chemist whose landmark experiment published in 1953 showed how some of the molecules of life could have formed on a young Earth left behind boxes of experimental samples that he never analyzed ... - Read More

'Nanosubmarine' designed that delivers complementary molecules inside cells

With the continuing need for very small devices in therapeutic applications there is a growing demand for the development of nanoparticles that can transport and deliver drugs to target cells in the human body Recently ... - Read More

Water-cleanup catalysts tackle biomass upgrading

Rice University chemical engineer Michael Wong has spent a decade amassing evidence that palladium gold nanoparticles are excellent catalysts for cleaning polluted water but even he was surprised at how well the particles converted biodiesel ... - Read More

Let there be light: Chemists develop magnetically responsive liquid crystals for writing tablets, billboards and more

Chemists at the University of California Riverside have constructed liquid crystals with optical properties that can be instantly and reversibly controlled by an external magnetic field The research paves the way for novel display applications ... - Read More
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