News tagged with chemical bonding
The Package Matters: Tucking ammonia borane in mesoporous silica results in high-quality hydrogen at lower temperatures
(PhysOrg.com) -- When it comes to squeezing hydrogen out of ammonia borane, the packaging matters, according to scientists from three national labs. Ammonia borane releases hydrogen with heating by a multi-step ...
Feb 15, 2010 |
4.7 / 5 (3) |
0
|
Researchers Find New Way To Study How Enzymes Repair DNA Damage
Researchers at Ohio State University have found a new way to study how enzymes move as they repair DNA sun damage -- and that discovery could one day lead to new therapies for healing sunburned skin.
Medicine & Health / Medical research
Jan 28, 2010 |
5 / 5 (1) |
0
|
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 |
5 / 5 (4) |
0
|
Researcher studies the universe through quantum electrodynamics
(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.
Dec 17, 2009 |
3.6 / 5 (9) |
0
New way to break some of the strongest chemical bonds
(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 ...
Dec 16, 2009 |
4.6 / 5 (24) |
0
Just like old times: Generating RNA molecules in water
A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, in a study appearing in this week's Journal of Biological Chemistry, resear ...
Nov 20, 2009 |
4 / 5 (3) |
0
Explained: RNA interference
Every high school biology student learns the basics of how genes are expressed: DNA, the cell’s master information keeper, is copied into messenger RNA, which carries protein-building instructions to the ribosome, ...
Nov 12, 2009 |
4.8 / 5 (5) |
0
Vibrations key to efficiency of green fluorescent protein
University of California, Berkeley, chemists have discovered the secret to the success of a jellyfish protein whose green glow has made it the darling of biologists and the subject of the 2008 Nobel Prize ...
Nov 11, 2009 |
4.5 / 5 (6) |
1
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 |
4.5 / 5 (2) |
0
Atomic force microscope research could lead to better health care
Where biology, chemistry and physics intersect, a Kansas State University professor expects to find applications to improve human health.
Jul 06, 2009 |
5 / 5 (1) |
0
Potential new drugs: 970 million and still counting
Like astronomers counting stars in the familiar universe of outer space, chemists in Switzerland are reporting the latest results of a survey of chemical space -- the so-called chemical universe where tomorrow’s ...
Chemistry / Analytical Chemistry
Jun 24, 2009 |
3.7 / 5 (3) |
2
Unlike rubber bands, molecular bonds may not break faster when pulled
From balloons to rubber bands, things always break faster when stretched. Or do they? University of Illinois scientists studying chemical bonds now have shown this isn't always the case, and their results may have profound ...
Jun 17, 2009 |
5 / 5 (1) |
0
Researchers describe 'implausible' chemistry that produces herbicidal compound
A soil microbe that uses chemical warfare to fight off competitors employs an unusual chemical pathway in the manufacture of its arsenal, researchers report, making use of an enzyme that can do what no other enzyme is known ...
Jun 10, 2009 |
5 / 5 (2) |
0
Scientists Make First Observation of Unique Rydberg Molecule
(PhysOrg.com) -- When Enrico Fermi investigated the Rydberg atom in the '30s, he never imagined that the giant atoms could form molecules. Later, in the '70s and '80s, theoretical physicist Chris Greene predicted ...
Apr 28, 2009 |
5 / 5 (13) |
0
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 |
5 / 5 (22) |
1
