Tag: "metal" at biology news

NSF awards 22 new projects for plant genome research

...l as the role genetics plays in plant development, metal tolerance, susceptibility to diseases and other economically important characteristics. NSF's PGRP is part of the National Plant Genome Initiative established in 1998 as a coordinated national plant genome research program by the Interagency Working ...

Green, leafy spinach may soon power cellphones and laptops

...d protects the protein complexes from the layer of metal that completes the sandwich. The researchers shone laser light on the device to create optical excitation, then measured the resulting current. "An important caveat is that we got very little current out, mostly because we had just a thin layer of ...

Sandia experiments may reduce possibility of future water wars

...ts growing in a series of plastic trays stacked on metal racks, whenever a humidity sensor or a back-up timer trips a control circuit. To lessen labor and also protect against mold, the researchers are exploring the development and use of trays that themselves would be edible by livestock, thus making wash...

Optimizing protein's 'death domain' halts leukemia in laboratory study

...a pair of hydrocarbon subunits. Like a reinforcing metal staple, Walensky explains, these links held the peptide in its natural coiled configuration. Further experiments confirmed that the stapled BH3 alpha helix retained its biological activity. In fact, it bound even more strongly to its target on the BC...

Purdue study finds antioxidant protects metal-eating plants

...peraccumulate metal, it has to be able to tolerate metal toxicity." A nearly ubiquitous antioxidant, gluta...als in their cells at a minimum, but plants called metal hyperaccumulators have the unique ability to build up unusually high levels of metals in their tissu...

Meteorites supplied Earth life with phosphorus

...that showed that phosphorus became concentrated at metal surfaces that corroded in the early solar system. "This natural mechanism of phosphorus concentration in the presence of a known organic catalyst (such as iron-based metal) made me think that aqueous corrosion of meteoritic minerals could lead to th...

Trojan Horses, xenon imaging and remote controlled genes

...ew agents for drug delivery, templates for forming metal nanoparticles and chemical probes for use in in vivo spectroscopic studies. A Light Switch for Turning Off Genes In order to understand the role of certain genes in embryonic development, the Dmochowski lab is studying how to use light to t...

Cleaner water, more efficient electricity among UH chemical research

...rofessor of chemistry, will discuss how transition metal complexes are being designed and synthesized that ...on Thummel's research, particularly how transition metal complexes assist in the direct conversion of sunlight into electricity. A schedule of the present...

Innovative 'ceramic-on-metal' hip replacements to undergo clinical trials

...on 'metal-on-metal' as it generates ten times less metal wear. The ceramic head remains smooth and undamaged throughout the lifetime of the joint and this improves the joint lubrication process, reducing friction and wear. The research team use a unique 'Hip Simulator' to carry out their work (picture avai...

New clues to hereditary blinding disease found

... retinitis pigmentosa. The amount of zinc, a trace metal naturally absorbed by the body, can determine whet...nerative and human diseases. The fact that a trace metal can have such a critical impact on rhodopsins ability to function properly may point to significant ...

Near-zero-energy buildings blessing to owners, environment

...ed reflective pigments and solar integrated raised metal seam roofs. Construction of the house, located in Lenoir City, was quick and the cost was less than $100,000. The first floor, a walkout basement, was constructed in six hours with premanufactured insulated concrete panels. The top floor wall...

Ancient life form may help create newest technologies

... electronic devices consist of patterned arrays of metal or metal-oxide semiconductor materials based on silicon, germanium and other materials. The technologies for making those devices on the micron size scale are well established, but many experts believe the next major technological breakthroughs will ...

DFG presents the 2004 MAK and BAT value lists

...laced in carcinogenicity category 1. Another heavy metal compound, indium phosphide, and 1,5-diaminonaphtha...sed as preservatives and biocides, as well as hard metal dust containing tungsten carbide or cobalt. A total of 21 substances, among them the carcinogenic co...

Physicists reveal first 'nanoflowers'

... carbide) are grown from tiny droplets of a liquid metal (Gallium) on a silicon surface, like the chips inside our home computers. The wires grow as a gas containing methane flows over the surface. The gas reacts at the surface of the droplets and condenses to form the wires. By changing the temperature a...

Strengthening independent junior research groups in collaborative research centres

...laborative Research Centre "Process chains in bulk metal forming with respect to productivity and environmental compatibility". This continuation reflects the committee's decision to implement Transfer Unit funding after successful completion of the pilot phase as a permanent component into the Collaborati...

Yale scientists visualize molecular detail of RNA splicing complex

... as it reacts. The image shows an interaction with metal ions and the alignment of the RNA molecule segment...ically very different from protein, is able to use metal ions to achieve a very similar reaction mechanism," said Scott Strobel, "This argues for an evolutio...

Nanoparticles illuminate brain tumors for days under MRI

...lesions, it has some advantages over gadolinium, a metal used as an MR contrast agent for 20 years and which must be administered just before surgery. But Neuwelt doesn't believe iron oxide nanoparticles will necessarily replace gadolinium as an imaging tool. "It will complement gadolinium, but not replace...

Promising research: From employment issues to virology

...talysts are so attractive because, contrary to the metal catalysts previously used most often, they are not poisonous and are robust, inexpensive and relatively easy to manufacture. In this Priority Programme, the researchers will develop new organocatalyst processes, elucidate how they function and apply ...

Fat cells heal skull defects in mice, Stanford research shows

...e area. Alternatively, they can rely on plastic or metal inserts. But all of these options can give you problems with infection and healing, and can be invasive and technically difficult." Other conditions that might benefit from the use of the multipotent cells include joint replacement, spinal fusion, os...

Teachers turn to Tolkein to explain physics

...can neither rise nor fall. What makes this lump of metal so special is that it is the "official" kilogram. So whether the cylinder gets "heavier" by picking up dust or "lighter" as a result of being cleaned, it always has a mass of 1 kg. Ian Robinson describes two new experiments that aim to sweep away thi...

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