News tagged with crystals
Watching Proteins Direct Crystal Growth One Step at a Time (w/ Video)
Dec 16, 2009 |
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(PhysOrg.com) -- Scientists at Berkeley Lab's Molecular Foundry imaged the growth of protein-studded mineral surfaces with unprecedented resolution and provided a glimpse into how living systems engineer key ...
Scientists isolate new antifreeze molecule in Alaska beetle
Dec 14, 2009 |
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Scientists have identified a novel antifreeze molecule in a freeze-tolerant Alaska beetle able to survive temperatures below minus 100 degrees Fahrenheit. Unlike all previously described biological antifreezes that contain ...
Sparkly Spiders and Photonic Fish
Dec 09, 2009 |
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(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.
Snowflake chemistry could give clues about ozone depletion
Chemistry / Analytical Chemistry
Dec 07, 2009 |
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There is more to the snowflake than its ability to delight schoolchildren and snarl traffic.
It takes two to infect: Structural biologists shed light on mechanism of invasion protein
Nov 30, 2009 |
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Bacteria are quite creative when infecting the human organism. They invade cells, migrate through the body, avoid an immune response and misuse processes of the host cell for their own purposes. To this end every bacterium ...
Microscopy reveals structure of calcite shells
Nov 30, 2009 |
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(PhysOrg.com) -- Lara Estroff and colleagues have taken a deep, detailed look at the way lab-created calcite crystals, similar to those found in nature, grow in tandem with proteins and other large molecules.
Multiferroic compounds used to produce smaller and cheaper digital memories
Nov 27, 2009 |
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(PhysOrg.com) -- Is it possible to make even more compact digital memories for portable electronic devices and which consume even less energy? A team of French researchers has recently demonstrated that it ...
Studying ice crystals to understand the cloud-climate connection
Space & Earth / Earth Sciences
Dec 14, 2009 |
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(PhysOrg.com) -- Beginning in mid-December, scientists will undertake a special mission to squeeze the secrets out of ice crystals in cirrus clouds. The SPARTICUS, or Small Particles in Cirrus, campaign will ...
Fabricating 3D Photonic Crystals
Jan 21, 2009 |
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(PhysOrg.com) -- “In photonic crystals, the ability to control the structure of a material in full three dimensional space, allows you to control the way that light flows through it,” John Rogers tells PhysOrg.com. “This ...
Scientists use low-gravity space station lab to study crystal growth
Sep 21, 2009 |
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A research project 10 years in the making is now orbiting the Earth, much to the delight of its creator Rohit Trivedi, a senior metallurgist at the U.S. Department of Energy's Ames Laboratory. Equipment recently ...
Magnetic Measurements Question Assumptions About High-Tc Superconductors
Aug 03, 2009 |
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(PhysOrg.com) -- Conquering one of the biggest challenges in the study of high-temperature (high-Tc) superconductors, scientists at the U.S. Department of Energy’s Brookhaven National Laboratory have grown ...
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.
Chemists Reach from the Molecular to the Real World with Creation of 3-D DNA Crystals
Sep 02, 2009 |
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(PhysOrg.com) -- New York University chemists have created three-dimensional DNA structures, a breakthrough bridging the molecular world to the world where we live. The work, reported in the latest issue of ...
It's raining pentagons
Nanotechnology / Nanomaterials
Mar 08, 2009 |
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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 ...
Researchers take the lead out of piezoelectrics
Nov 13, 2009 |
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There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current ...
