News tagged with protein crystals
Pee power: Urine-loving bug churns out space fuel
Scientists on Sunday said they had gained insights into a remarkable bacterium that lives without oxygen and transforms ammonium, the ingredient of urine, into hydrazine, a rocket fuel.
Oct 02, 2011 |
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Boosting research into new drugs: 'Smart materials' make proteins form crystals
Scientists have developed a new method to make proteins form crystals using 'smart materials' that remember the shape and characteristics of the molecule. The technique, reported today in Proceedings of the National Academy of ...
Jun 20, 2011 |
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Giant virus, tiny protein crystals show X-ray laser's power and potential
Two studies published in the February 3 issue of Nature demonstrate how the unique capabilities of the world's first hard X-ray free-electron laser -- the Linac Coherent Light Source, located at the Depart ...
Feb 02, 2011 |
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Eliminating tooth decay: Breakthrough in dental plaque research
Dutch professors Bauke Dijkstra and Lubbert Dijkhuizen have deciphered the structure and functional mechanism of the glucansucrase enzyme that is responsible for dental plaque sticking to teeth. This knowledge will stimulate ...
Dec 07, 2010 |
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Biology rides to computers' aid
Photonic crystals are exotic materials with the ability to guide light beams through confined spaces and could be vital components of low-power computer chips that use light instead of electricity. Cost-effective ...
Nanotechnology / Nanomaterials
Oct 19, 2010 |
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Cornell researchers reveal structure of key protein
(PhysOrg.com) -- For the first time, researchers -- all Cornell scientists -- have characterized the structure of a protein that belongs to certain enzymes that are essential for proper functioning in all ...
Apr 21, 2010 |
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Antifreeze proteins can stop ice melt, new study finds
The same antifreeze proteins that keep organisms from freezing in cold environments also can prevent ice from melting at warmer temperatures, according to a new Ohio University and Queen's University study ...
Mar 01, 2010 |
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Computational microscope peers into the working ribosome (w/ Video)
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 ...
Nov 23, 2009 |
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X-rays reveal why sea urchins are no easy prey
(PhysOrg.com) -- The spine of a sea urchin is 99.9% chalk, a very common material forming tiny crystals that are very hard but easy to break apart. Scientists have now discovered how these marine animals use ...
Chemistry / Analytical Chemistry
Feb 14, 2012 |
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Crystal structure shows how motor protein works
The crystal structure of the dynamin protein — one of the molecular machines that makes cells work — has been revealed, bringing insights into a class of molecules with a wide influence on health and disease.
Sep 18, 2011 |
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Crystal clear research
(PhysOrg.com) -- Scientists have successfully created synthetic crystals whose structures and properties mimic those of naturally occurring biominerals such as seashells.
Nanotechnology / Nanomaterials
Sep 06, 2011 |
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How receptors talk to G proteins
(PhysOrg.com) -- The mechanism by which cells respond to stimuli and trigger hormonal responses, as well as the senses of sight, smell, and taste, has for the first time been brought into focus with the help ...
Aug 10, 2011 |
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Study builds on plausible scenario for origin of life on Earth
A relatively simple combination of naturally occurring sugars and amino acids offers a plausible route to the building blocks of life, according to a paper published in Nature Chemistry co-authored by a professor at the Un ...
Aug 09, 2011 |
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Lasers used to form 3-D crystals made of nanoparticles (w/ video)
(PhysOrg.com) -- University of Michigan physicists used the electric fields generated by intersecting laser beams to trap and manipulate thousands of microscopic plastic spheres, thereby creating 3-D arrays of optically induced ...
Jun 01, 2011 |
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Finding may end a 30-year scientific debate
A chance observation by a Queen's researcher might have ended a decades-old debate about the precise way antifreeze proteins (AFP) bind to the surface of ice crystals.
Apr 11, 2011 |
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