News tagged with hydrogen bonds
Related topics: water molecules
Golden pairs: Catalytic dimers of gold atoms make ethylene from methane
(PhysOrg.com) -- Ethylene (ethene, CH2=CH2) is a primary feedstock for chemical industry, and particularly for the production of plastics like polyethylene and polystyrene. Ethylene is currently made by the steam cracking ...
Jan 19, 2010 |
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Key piece of puzzle sheds light on function of ribosomes
(PhysOrg.com) -- When ribosomes produce protein in all living cells, they do so through a chemical reaction that happens so fast that scientists have been puzzled. Using large quantum mechanical calculations of the reaction ...
Jan 13, 2010 |
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Mimicking nature, scientists can now extend redox potentials
(PhysOrg.com) -- New insight into how nature handles some fundamental processes is guiding researchers in the design of tailor-made proteins for applications such as artificial photosynthetic centers, long-range ...
Nov 04, 2009 |
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On the path to metallic hydrogen
Hydrogen, the most common element in the universe, is normally an insulating gas, but at high pressures it may turn into a superconductor. Now, scientists at the Carnegie Institution in Washington D.C., US, ...
Aug 03, 2009 |
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Muscular protein bond -- strongest yet found in nature
A research collaboration between Munich-based biophysicists and a structural biologist in Hamburg (Germany) is helping to explain why our muscles, and those of other animals, don't simply fall apart under stress. Their findings ...
Jul 20, 2009 |
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Professor sheds light on DNA mechanisms
By manipulating individual atoms in DNA and forming unique molecules, a Georgia State University researcher hopes to open new avenues in research towards better understanding the mechanisms of DNA replication and transcription, ...
Jul 17, 2009 |
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Why Does Water Expand When it Cools? A New Explanation
(PhysOrg.com) -- Most of us, when we take our first science classes, learn that when things cool down, they shrink. (When they heat up, we learn, they usually expand.) However, water seems to be the exception ...
Jul 17, 2009 |
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Scientists track chemical changes in cells as they endure extreme conditions
One of nature's most gripping feats of survival is now better understood. For the first time, scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory observed the chemical changes in individual ...
Jul 07, 2009 |
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Scientists Observe Liquid Water Below Freezing
(PhysOrg.com) -- Below 0 °C, water turns to ice. But beyond that, or below about -75 °C, the ice may turn back into liquid water. While scientists have previously predicted this phase transition with computer ...
Jun 24, 2009 |
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Discovery of an Unexpected Boost for Solar Water-Splitting Cells
(PhysOrg.com) -- A research team from Northeastern University and the National Institute of Standards and Technology has discovered, serendipitously, that a residue of a process used to build arrays of titania ...
Nanotechnology / Nanomaterials
Apr 22, 2009 |
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Breaking the ties that bind: New hope for biomass fuels
(PhysOrg.com) -- Los Alamos National Laboratory researchers have discovered a potential chink in the armor of fibers that make the cell walls of certain inedible plant materials so tough. The insight ultimately ...
Apr 22, 2009 |
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Covering the bases: Quantum effect may hold promise for low-cost DNA sequencing, sensor applications
A ghostly property of matter, called quantum tunneling, may aid the quest for accurate, low-cost genomic sequencing, according to a new paper in Nature Nanotechnology Letters by Stuart Lindsay and his collab ...
Nanotechnology / Bio & Medicine
Mar 22, 2009 |
4.7 / 5 (9) |
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It's raining pentagons
This week's Nature Materials (09 March 2009) reveals how an international team of scientists led by researchers at the London Centre for Nanotechnology (LCN) at UCL have discovered a novel one dimensional ice ch ...
Nanotechnology / Nanomaterials
Mar 08, 2009 |
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Simplicity is crucial to design optimization at nanoscale
MIT researchers who study the structure of protein-based materials with the aim of learning the key to their lightweight and robust strength have discovered that the particular arrangement of proteins that ...
Nanotechnology / Bio & Medicine
Feb 04, 2009 |
5 / 5 (2) |
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New Catalyst Paves the Path for Ethanol-Powered Fuel Cells
(PhysOrg.com) -- A team of scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, in collaboration with researchers from the University of Delaware and Yeshiva University, has ...
Nanotechnology / Nanomaterials
Jan 26, 2009 |
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