News tagged with atomic bonds
NMR sheds new light on polymorphic forms in pharmaceutical compounds
Scientists at the University of Warwick have used state-of-the-art nuclear magnetic resonance (NMR) techniques to shed new light on how pharmaceutical molecules pack together in the solid state.
Chemistry / Analytical Chemistry
Mar 07, 2012 |
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Computer simulations suggest graphynes may be even more useful than graphene
(PhysOrg.com) -- The past several years have seen a virtual explosion in the amount of research dedicated to graphene and as a result there has been a nearly constant stream of news pertaining to new discoveries ...
Nanotechnology / Nanomaterials
Mar 05, 2012 |
4.8 / 5 (10) |
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Oxygen molecule survives to enormously high pressures
Using computer simulations, a Ruhr-University Bochum (Germany) researcher has shown that the oxygen molecule (O2) is stable up to pressures of 1.9 terapascal, which is about nineteen million times higher than atmosphere pressure. ...
Jan 30, 2012 |
5 / 5 (4) |
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MHI develops 12-inch wafer bonding machine capable of producing 3-D integrated LSI circuits at room temperature
Mitsubishi Heavy Industries Ltd (MHI) has developed the world's first fully automated 12-inch (300 millimeters) wafer bonding machine, dubbed the "Bond Meister MWB-12-ST," capable of producing 3-dimensionally integrated LSI ...
Jan 16, 2012 |
3 / 5 (1) |
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New chemical reaction holds promise for drug development
A team of researchers at the California Institute of Technology (Caltech) has devised a new method for making complex molecules. The reaction they have come up with should enable chemists to synthesize new ...
Jan 12, 2012 |
5 / 5 (5) |
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Two-step technique makes graphene suitable for organic chemistry
The future brightened for organic chemistry when researchers at Rice University found a highly controllable way to attach organic molecules to pristine graphene, making the miracle material suitable for a ...
Nanotechnology / Nanomaterials
Nov 29, 2011 |
4.8 / 5 (8) |
4
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Unprecedented formation of a boron-boron covalent bond opens a new corner of chemistry
Boron-based chemical compounds rarely form simple structures. Boron is an electron-deficient element; and, as electrons are the glue that hold compounds together, this leads to some unusual bonding behavior. ...
Oct 28, 2011 |
5 / 5 (3) |
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Research: Graphene grows better on certain copper crystals
New observations could improve industrial production of high-quality graphene, hastening the era of graphene-based consumer electronics, thanks to University of Illinois engineers.
Nanotechnology / Nanomaterials
Oct 27, 2011 |
4.9 / 5 (9) |
9
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Research into energy flow features on the cover of Nature Chemistry
(PhysOrg.com) -- 'Energy flow maps' which provide new insight into how chemical reactions work are described in a paper by Dr David Glowacki and colleagues at the University of Bristol in the November issue ...
Oct 27, 2011 |
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Building crystalline materials from nanoparticles and DNA
Nature is a master builder. Using a bottom-up approach, nature takes tiny atoms and, through chemical bonding, makes crystalline materials, like diamonds, silicon and even table salt. In all of them, the properties of the ...
Nanotechnology / Nanomaterials
Oct 13, 2011 |
5 / 5 (3) |
2
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Simulations unlock carbon nanotube potential for industry
a cylindrical network of molecules known as carbon nanotubes -- is attracting a great deal of attention from industry researchers these days.
Nanotechnology / Nanomaterials
Oct 05, 2011 |
4.7 / 5 (6) |
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Long-standing plant biochemistry mystery solved
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and collaborators at the Karolinska Institute in Sweden have discovered how an enzyme "knows" where to insert a double bond ...
Sep 19, 2011 |
5 / 5 (3) |
6
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Forces within molecules can strengthen extra-long carbon-carbon bonds
(PhysOrg.com) -- The strength of a chemical bond between atoms is the fundamental basis for a molecule’s stability and reactivity. Tuning the strength and accessibility of the bond can dramatically change ...
Sep 16, 2011 |
5 / 5 (4) |
1
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Brittle silicon shows exceptional plasticity on the nanoscale
(PhysOrg.com) -- On the macroscale, silicon is a brittle material that cannot be easily molded into a desired shape. But scientists have found that a piece of silicon just 3 nm long can be stretched to more than 20 times ...
Nanotechnology / Nanomaterials
Aug 26, 2011 |
5 / 5 (4) |
2
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Chemists devise better way to prepare workhorse molecules
In chemistry, so-called aromatic molecules compose a large and versatile family of chemical compounds that are the stuff of pharmaceuticals, electronic materials and consumer products ranging from sunscreen to plastic soda ...
Jun 09, 2011 |
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