From lemons to lemonade: Reaction uses carbon dioxide to make carbon-based semiconductor
(Phys.org) -- A materials scientist at Michigan Technological University has discovered a chemical reaction that not only eats up the greenhouse gas carbon dioxide, it also creates something useful. And, by ...
May 21, 2012 |
4.7 / 5 (86) |
27
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Strategy discovered to activate genes that suppress tumors and inhibit cancer
(Medical Xpress) -- A team of scientists has developed a promising new strategy for "reactivating" genes that cause cancer tumors to shrink and die. The researchers hope that their discovery will aid in the ...
May 21, 2012 |
5 / 5 (8) |
0
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Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness
(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...
Chemistry / Analytical Chemistry
May 19, 2012 |
4.8 / 5 (5) |
6
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Plump up the clay: Carbon dioxide moves into and expands a common mineral in carbon sequestration caprocks
(Phys.org) -- For the first time, scientists have direct evidence that high-pressure carbon dioxide or CO2 migrates into the clay montmorillonite causing it to expand, according to scientists at Pacific Northwest ...
May 18, 2012 |
4.5 / 5 (4) |
5
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In hydrogenation and hydrogenolysis chemical reactions, water adds speed without heat
(Phys.org) -- An international team of researchers has discovered how adding trace amounts of water can tremendously speed up chemical reactions—such as hydrogenation and hydrogenolysis—in which ...
May 17, 2012 |
5 / 5 (3) |
0
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'Copper pump's' potential benefit in cancer treatment
(Phys.org) -- A team of University of California, San Diego researchers has made new discoveries about a copper-transporting protein in the membranes of human cells that drug-discovery scientists can co-opt ...
May 17, 2012 |
4 / 5 (3) |
0
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New technique detects trace levels of new class of cancer biomarkers
(Phys.org) -- In less than a decade, a new type of RNA — microRNA (miRNA) — has gone from curiosity to one of the most important sets of regulatory molecules in the body. And because these short pieces of RNA are ...
Chemistry / Analytical Chemistry
May 18, 2012 |
5 / 5 (2) |
0
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Chemists merge experimentation with theory in understanding of water molecule
(Phys.org) -- Water is the most abundant and one of the most frequently studied substances on Earth, yet its geometry at the molecular level – the simple two hydrogen atoms and one oxygen atom, and how ...
May 18, 2012 |
5 / 5 (2) |
2
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Making microscopic machines using metallic glass
Researchers in Ireland have developed a new technology using materials called bulk metallic glasses to produce high-precision molds for making tiny plastic components. The components, with detailed microscopically patterned ...
May 22, 2012 |
5 / 5 (2) |
0
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Rare-earth half-sandwiches prove rewarding
The chemical frameworks of ’natural products’—molecules generated by biological organisms—have inspired many of today’s most potent pharmaceuticals. But the complexity of these compounds ...
May 18, 2012 |
3.5 / 5 (2) |
0
Castor oil: Action mechanism of one of the oldest drugs known to man elucidated
Castor oil is known primarily as an effective laxative; however, it was also used in ancient times with pregnant women to induce labour. Only now have scientists at the Max Planck Institute for Heart and Lung ...
May 21, 2012 |
3 / 5 (2) |
2
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Researchers create low-cost, effective method for measuring exposure to toxic metals
(Phys.org) -- Two Colorado State University professors have developed a simple, low-cost method of determining levels of heavy metals in contaminated air using filter paper, water and a little chemistry.
Chemistry / Analytical Chemistry
May 17, 2012 |
5 / 5 (1) |
0
Planned coincidence: Antibody-based search for new chemical reactions
(Phys.org) -- Many discoveries are made by chance, but it is also possible to help it along: The chance of finding something interesting increases when the number of experiments rises. French researchers have ...
May 22, 2012 |
5 / 5 (1) |
0
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Hazelnuts: New source of key fat for infant formula that's more like mother's milk
Scientists are reporting development of a healthy "designer fat" that, when added to infant formula, provides a key nutrient that premature babies need in high quantities, but isn't available in large enough ...
15 hours ago |
5 / 5 (1) |
0
Better, stronger, lighter armor
What makes a piece of armor effective? Sure, it needs to be strong, and it should be lightweight. But what is it about a material's composition that gives it such properties? And can we develop materials that ...
May 22, 2012 |
3 / 5 (1) |
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