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News tagged with folding

Researchers discover why atoms in solids show a preference for certain structures

(PhysOrg.com) -- Nature likes some symmetries, but dislikes others. Ordered solids often display a so-called 6-fold rotation symmetry. To achieve this kind of symmetry, the atoms in a plane surround themselves ...

Physics / General Physics

created Mar 30, 2010 | popularity 5 / 5 (21) | comments 9 | with audio podcast

Physicsts reveal how to cope with 'frustration'

For most people, frustration is a condition to be avoided. But for scientists studying certain "frustrated" ensembles of interacting components - that is, those which cannot settle into a state that minimizes ...

Physics / Quantum Physics

created Jun 02, 2010 | popularity 5 / 5 (19) | comments 2 | with audio podcast

Folding plug wins international award for student inventor (w/ Video)

(PhysOrg.com) -- A design student, frustrated at having his brand new wafer-thin laptop scratched by the unwieldy and bulky plug attached to it, set about re-designing the standard British 3-pin plug that ...

Technology / Hi Tech & Innovation

created Mar 19, 2010 | popularity 4.4 / 5 (21) | comments 11 | with audio podcast report

Graphene can be strengthened by folding

(PhysOrg.com) -- With a strength 200 times greater than that of steel, graphene is the strongest known material to exist. But now scientists have found that folding graphene nanoribbons into structures they ...

Nanotechnology / Nanomaterials

created Sep 20, 2011 | popularity 4.5 / 5 (17) | comments 14 | with audio podcast feature

Knowing when to fold: Engineers use 'nano-origami' to build tiny electronic devices (Video)

(PhysOrg.com) -- Folding paper into shapes such as a crane or a butterfly is challenging enough for most people. Now imagine trying to fold something that's about a hundred times thinner than a human hair ...

Nanotechnology / Nanophysics

created Feb 25, 2009 | popularity 4.4 / 5 (10) | comments 0

Physicists help biologists to understand protein folding

Physicists at UC Santa Barbara have created a microscopic device to assist biologists in making very fast molecular measurements that aid the understanding of protein folding. This development may help elucidate ...

Chemistry / Biochemistry

created Jun 17, 2010 | popularity 4.9 / 5 (9) | comments 0 | with audio podcast

New study finds dolphins produce sounds in a similar way to humans

(PhysOrg.com) -- It has long been thought that dolphins produce sounds by means of "whistles," but a new analysis of a data gathered in the late 1970s has revealed that instead, dolphins make sounds by means ...

Biology / Plants & Animals

created Sep 09, 2011 | popularity 5 / 5 (8) | comments 2 | with audio podcast report

Researchers identify structure of key control element behind protein misfolding that can lead to disease

The gold standard for nanotechnology is nature's own proteins. These biomolecular nanomachines – macromolecules forged from peptide chains of amino acids - are able to fold themselves into a dazzling ...

Biology / Cell & Microbiology

created Feb 24, 2012 | popularity 5 / 5 (8) | comments 4 | with audio podcast

In protein folding, internal friction may play a more significant role than previously thought

An international team of researchers has reported a new understanding of a little-known process that happens in virtually every cell of our bodies.

Chemistry / Biochemistry

created Apr 24, 2012 | popularity 4.8 / 5 (8) | comments 5 | with audio podcast

Faster protein folding achieved through nanosecond pressure jump

A new method to induce protein folding by taking the pressure off of proteins is up to 100 times faster than previous methods, and could help guide more accurate computer simulations for how complex proteins ...

Chemistry / Biochemistry

created Jun 01, 2009 | popularity 5 / 5 (6) | comments 1

Manipulating single molecules to unravel secrets of protein folding

Physicists at the Technische Universitaet Muenchen (TUM) are opening a new window into the life of biological cells, using a technique that lets them grab the ends of a single protein molecule and pull, making ...

Physics / General Physics

created Oct 27, 2011 | popularity 4.5 / 5 (6) | comments 0 | with audio podcast

The forming of folded structures

What do the convolutions of the brain, the emergence of wrinkles, the formation of mountain chains, and fingerprints have in common? All these structures, albeit very different, result from the same process: ...

Physics / General Physics

created Nov 05, 2010 | popularity 5 / 5 (4) | comments 0

Ice Gets Bent Out of Shape

For the first time, scientists have built completely flat, two-layer ice. While theoreticians have predicted that such ices are formed by squeezing water molecules between two surfaces, scientists at Pacific ...

Chemistry / Materials Science

created Sep 09, 2009 | popularity 4.3 / 5 (4) | comments 0

New model of protein folding helps researchers handle flood of genomic data

All living tissue is made from proteins, and all proteins are made from a combination of the same 20 chemical building blocks, called amino acids. The difference between the proteins that make up bone, blood, ...

Technology / Computer Sciences

created Mar 22, 2011 | popularity 5 / 5 (3) | comments 4 | with audio podcast

Biophysicists manipulate 'zipper,' reveal protein folding dynamics

Biophysicists at the Technische Universitaet Muenchen (TUM), Germany, have published the results of single-molecule experiments that bring a higher-resolution tool to the study of protein folding. How proteins arrive at the ...

Physics / General Physics

created Jan 19, 2010 | popularity 4.7 / 5 (3) | comments 0