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News articles about "Reaction"

Researchers unmask Janus-faced nature of mechanical forces with supercomputer

Reaction, Reaction
The harder you pull the quicker it goes At least that used to be the rule in mechanochemistry a method that researchers apply to set chemical reactions in motion by means of mechanical forces However ... - Read More

Star-shaped macromolecule grabs large anions

Anions, Macromolecule
Chemists at Indiana University Bloomington have created a symmetrical five sided macrocycle that is easy to synthesize and has characteristics that may help expand the molecular tool box available to researchers in biology chemistry and ... - Read More

Detecting homemade explosives, not toothpaste

Polymer, Polymer
Sandia National Laboratories researchers want airports border checkpoints and others to detect homemade explosives made with hydrogen peroxide without nabbing people whose toothpaste happens to contain peroxide That's part of the challenge faced in developing ... - Read More

Nanoparticle opens the door to clean-energy alternatives

Nanoparticle, Nanoparticle
Cheaper clean energy technologies could be made possible thanks to a new discovery Led by Raymond Schaak a professor of chemistry at Penn State University research team members have found that an important chemical reaction ... - Read More

Exposure to air transforms gold alloys into catalytic nanostructures

Alloys, Nanostructures
Gold bars may signify great wealth but the precious metal packs a much more practical punch when shrunk down to just billionths of a meter Unfortunately unlocking gold's potential often requires complex synthesis techniques that ... - Read More

Polymer nanoreactors create uniform nanocrystals

nanocrystals, Polymer
Using star shaped block co polymer structures as tiny reaction vessels researchers have developed an improved technique for producing nanocrystals with consistent sizes compositions and architectures including metallic ferroelectric magnetic semiconductor and luminescent nanocrystals The ... - Read More

Promising material for lithium-ion batteries

Lithium, Lithium-ion, Lithium-ion batteries
Laptops could work longer and electric cars could drive farther if it were possible to further increase the capacity of their lithium ion batteries The electrode material has a decisive influence on a battery's capacity ... - Read More

Metal-free catalyst outperforms platinum in fuel cell

Researchers from South Korea Case Western Reserve University and University of North Texas have discovered an inexpensive and easily produced catalyst that performs better than platinum in oxygen reduction reactions The finding detailed in Nature's ... - Read More

Roman seawater concrete holds the secret to cutting carbon emissions

Emissions
The chemical secrets of a concrete Roman breakwater that has spent the last 2 000 years submerged in the Mediterranean Sea have been uncovered by an international team of researchers led by Paulo Monteiro of ... - Read More

Catalyst could jump-start e-cars, green energy

Catalyst, Green
Los Alamos National Laboratory scientists have designed a new type of nanostructured carbon based catalyst that could pave the way for reliable economical next generation batteries and alkaline fuel cells providing for practical use of ... - Read More

Ultrasound ‘Making Waves’ for Enhancing Biofuel Production

All chefs know that you have to break some eggs to make an omelet and that includes engineers at Iowa State University who are using high frequency sound waves to break down plant materials in ... - Read More

Global warming caused by CFCs, not carbon dioxide, researcher claims in controversial study

Carbon, Global warming, Carbon dioxide, Carbon dioxide, Global warming, carbon
Chlorofluorocarbons CFCs are to blame for global warming since the 1970s and not carbon dioxide according to a researcher from the University of Waterloo in a controversial new study published in the International Journal of ... - Read More

Atom by atom, bond by bond, a chemical reaction caught in the act

Atom, Atom, Atom
When Felix Fischer of the U S Department of Energy's Lawrence Berkeley National Laboratory Berkeley Lab set out to develop nanostructures made of graphene using a new controlled approach to chemical reactions the first result ... - Read More

Scientists capture first images of molecules before and after reaction

molecules
Every chemist's dream to snap an atomic scale picture of a chemical before and after it reacts has now come true thanks to a new technique developed by chemists and physicists at the University of ... - Read More

High-efficiency zinc-air battery developed

Battery
Stanford University scientists have developed an advanced zinc air battery with higher catalytic activity and durability than similar batteries made with costly platinum and iridium catalysts The results published in the May 7 online edition ... - Read More

Charge your mobile phone with formic acid?

Acid
Surprisingly the answer is yes With the technology of today it is possible to use environmental friendly formic acid in fuel cell powering your mobile phone or laptop Physicist Florian Nitze Umeå University in Sweden ... - Read More

'Ultraselective' process to make valuable chemical from biomass

Chemical engineering researchers Wei Fan Paul Dauenhauer and colleagues at the University of Massachusetts Amherst report this week that they've discovered a new chemical process to make p xylene an important ingredient of common plastics ... - Read More

Chemical Engineers Discover 'Ultraselective' Process to Make Valuable Chemical from Biomass

Released 5 28 2013 11 00 AM EDTSource Newsroom University of Massachusetts Amherst more news from this source May 28 2013 AMHERST Mass – Chemical engineering researchers Wei Fan Paul Dauenhauer and colleagues at the ... - Read More

Carbon capture: Making use of minerals

Ammonium salts could provide a viable way of removing carbon dioxide from the atmosphere via carbon mineralization Removing excess carbon dioxide CO2 from the atmosphere may be essential to curb severe climate change Possible but ... - Read More

Engineers devise new way to produce clean hydrogen

Hydrogen, Hydrogen, Hydrogen, Hydrogen, hydrogen
Duke University engineers have developed a novel method for producing clean hydrogen which could prove essential to weaning society off of fossil fuels and their environmental implications While hydrogen is ubiquitous in the environment producing ... - Read More
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