Search results for catalytic converters
New way to break some of the strongest chemical bonds
Dec 16, 2009 |
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(PhysOrg.com) -- Scientists at Cornell University in the U.S. have found a new way of breaking two of the strongest chemical bonds, at ambient temperature and pressure, and this breakthrough could lead to ...
Ethanol results in higher ozone concentrations than gasoline, researchers say
Dec 14, 2009 |
4.4 / 5 (8) |
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(PhysOrg.com) -- Ethanol, often promoted as a clean-burning, renewable fuel that could help wean the nation from oil, would likely worsen health problems caused by ozone, compared with gasoline, especially ...
German researchers demonstrate diesel truck engine with barely measurable emissions
Dec 07, 2009 |
3.8 / 5 (6) |
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Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is ...
A light touch: Iron complexes as efficient catalysts for the light-driven extraction of hydrogen from water
Dec 02, 2009 |
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(PhysOrg.com) -- Hydrogen is a promising alternative energy carrier that can be efficiently converted into electrical energy in fuel cells. One hurdle to the introduction of sustainable hydrogen technology is the fact that ...
First metallic nanoparticles resistant to extreme heat
Nanotechnology / Nanomaterials
Nov 30, 2009 |
4.8 / 5 (5) |
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A University of Pittsburgh team overcame a major hurdle plaguing the development of nanomaterials such as those that could lead to more efficient catalysts used to produce hydrogen and render car exhaust less toxic. The researchers ...
Implantable Glucose Sensor Could Spell Relief for Millions of Diabetics (w/ Video)
Nov 09, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- UConn researchers have developed a tiny wireless device that can be inserted under a patient?s skin to monitor blood glucose levels over a period of several months.
Imaging a catalyst one atom at a time
Nanotechnology / Nanomaterials
Nov 09, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- The catalytic processes that facilitate the production of many chemicals and fuels could become much more environmentally friendly thanks to a breakthrough achieved by researchers from Lehigh ...
How Size Matters For Catalysts: Study Links Size, Activity, Electronic Properties
Nanotechnology / Nanomaterials
Nov 05, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- University of Utah chemists demonstrated the first conclusive link between the size of catalyst particles on a solid surface, their electronic properties and their ability to speed chemical ...
New discoveries in the yeast Saccharomyces cerevisiae
Nov 04, 2009 |
4 / 5 (1) |
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Researchers at UAB in collaboration with the University of Stellenbosch, South Africa, have discovered the structure of the PPC descarboxilase (PPCDC) enzyme present in the yeast Saccharomyces cerevisiae, a very important ...
Hunting for new zeolites
Nov 02, 2009 |
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In all the world, there are about 200 types of zeolite, a compound of silicon, aluminum and oxygen that gives civilization such things as laundry detergent, kitty litter and gasoline. But thanks to computations ...
Researchers Create First Synthetic Cellulosome in Yeast
Oct 29, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- A team of researchers led by University of California, Riverside (UCR) Professor of Chemical Engineering Wilfred Chen has constructed for the first time a synthetic cellulosome in yeast, which is much more ...
Venomous bite: Harmless digestive enzyme evolved into venom in two species
Oct 29, 2009 |
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(PhysOrg.com) -- Biologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species -- a shrew and a lizard -- giving each a venomous ...
Carbenes: New molecules have wide applications
Oct 22, 2009 |
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Researchers at the University of California, Riverside have created in the laboratory a class of carbenes, highly reactive molecules, used to make catalysts - substances that facilitate chemical reactions. ...
Scientist shines laser light on methane in pursuit of clean fuel
Chemistry / Analytical Chemistry
Oct 22, 2009 |
5 / 5 (2) |
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An abundant greenhouse gas could someday help clean up the earth. Converting methane to liquid methanol could produce clean, low-cost fuel and prevent the potent greenhouse gas from entering the atmosphere. Exploiting methane ...
Nanoscale structures revealed on Diamond's latest beamline
Chemistry / Analytical Chemistry
Oct 15, 2009 |
5 / 5 (1) |
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On Monday 12th October, a team of scientists from the University of Bath became the first researchers to use the UK’s national synchrotron facility’s latest experimental station (I07). Designed for investigating ...
