News tagged with dimensional structure
Scientists bend nanowires into 2-D and 3-D structures
Oct 21, 2009 |
4.3 / 5 (7) |
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(PhysOrg.com) -- Taking nanomaterials to a new level of structural complexity, scientists have determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging two- and three-dimensional ...
Scientists determine 3D structure of proteins in living cells for the first time
Mar 05, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- A University of Glasgow scientist was part of a team of researchers which has, for the first time, been able to determine the three-dimensional structure of protein in living cells.
Relationships in rank and file: Better sequence searches of genes and proteins
Biology /
Feb 23, 2009 |
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Since the sequencing of the human genome eight years ago, enormous progress has been made in analyzing and understanding it. Nevertheless, the function of most human genes is still barely understood. An important first step ...
In race to predict protein structure, computers take lead
Technology / Computer Sciences
Jan 15, 2009 |
5 / 5 (1) |
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A flood of data is emerging from genome research, including sequence data on proteins. To help science keep pace with this flow of knowledge, computer scientists, biophysicists and biochemists across the world have been developing ...
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Research sheds light on workings of anti-cancer drug
Chemistry / Analytical Chemistry
Nov 26, 2009 |
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(PhysOrg.com) -- The copper sequestering drug tetrathiomolybdate (TM) has been shown in studies to be effective in the treatment of Wilson disease, a disease caused by an overload of copper, and certain metastatic cancers. ...
Two molecules affecting brain plasticity
Medicine & Health / Neuroscience
Nov 25, 2009 |
4.8 / 5 (6) |
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(PhysOrg.com) -- You wouldn't want a car with no brakes. It turns out that the developing brain needs them, too.
Water droplets direct self-assembly process in thin-film materials
Nanotechnology / Nanomaterials
Nov 23, 2009 |
5 / 5 (4) |
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You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...
Computational microscope peers into the working ribosome (w/ Video)
Nov 23, 2009 |
4.9 / 5 (9) |
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Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular ...
Scientists synthesize graphene-like material: Polymer with honeycomb structure
Nanotechnology / Nanomaterials
Nov 19, 2009 |
4.7 / 5 (11) |
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Two-dimensional carbon layers, so-called graphenes, are regarded as a possible substitute for silicon in the semiconductor industry. The electronic properties of these layers can be varied by "building in" ...
An atomic-level look at an HIV accomplice
Nov 19, 2009 |
1 / 5 (1) |
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(PhysOrg.com) -- Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of ...
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
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(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Freezing: a phenomenon that 'jumps'
Nanotechnology / Nanomaterials
Nov 16, 2009 |
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(PhysOrg.com) -- The freezing of suspensions of particles is not always a uniform phenomenon; in certain conditions it leads to a modification of the redistribution of particles and the growth of crystals.
Researchers 'notch' a victory toward new kind of cancer drug
Nov 11, 2009 |
4 / 5 (4) |
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(PhysOrg.com) -- Scientists have devised an innovative way to disarm a key protein considered to be "undruggable," meaning that all previous efforts to develop a drug against it have failed. Their discovery, published in ...
New NASA 3-D Video Shows Thunderstorms in Tropical Storm Ida (w/ Video)
Space & Earth / Earth Sciences
Nov 10, 2009 |
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(PhysOrg.com) -- NASA's Tropical Rainfall Measuring Mission, or TRMM satellite has the ability to provide data that can be made into three-dimensional images. Visualizers at NASA's Goddard Space Flight Center ...
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