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News articles about "Clusters"

Clusters of aluminum metal atoms become superconductive at surprisingly high temperatures

A superconductor that works at room temperature was long thought impossible but scientists at USC may have discovered a family of materials that could make it reality A team led by Vitaly Kresin professor of ... - Read More

Bacteria in marine sponges harvest phosphorus for reef community

Did you ever wonder why the water is so clear around coral reefs Scientists have known for years that sponges can filter water and gather nutrients from the ocean making it appear crystal clear For ... - Read More

Stretch and relax: Losing one electron switches magnetism on in dichromium

Scientists have used the unique Nanocluster Trap experimental station at the BESSY II synchrotron radiation source at Helmholtz Zentrum Berlin and published their results in the Journal Angewandte Chemie The electronic structure and bonding of ... - Read More

Controlling car pollution at the quantum level

Toyota Central R& amp D Labs Inc in Japan have reviewed research that might be leading the way towards a new generation of automotive catalytic converters Catalytic converters that change the toxic fumes of automobile ... - Read More

Seeing through sparklers: What happens to heat-treated diamonds

Diamonds come in all colours with price tags to match ice white blue and pink attract high prices and stones with brown hues the least But now that brown diamonds can be heat treated to ... - Read More

Faster annotation system for prokaryotic genomes unveiled

Georgia Tech researchers working with colleagues in the National Center for Biotechnology Information NCBI have released a new version of a genome annotation system capable of analyzing more than 2 000 prokaryotic genomes per day ... - Read More

Drugs from dirt: Scientists develop first global roadmap for drug discovery

Rockefeller University scientists have analysed soils from beaches forests and deserts on five continents and discovered the best places in the world to mine untapped antibiotic and anticancer drugs The findings published in the open ... - Read More

Study fuels hope for natural gas cars: Metal organic framework candidates for methane storage identified

Cars that run on natural gas are touted as efficient and environmentally friendly but getting enough gas onboard to make them practical is a hurdle A new study led by researchers at Rice University promises ... - Read More

Stunning Zinc Fireworks When Egg Meets Sperm

Sparks literally fly when a sperm and an egg hit it off The fertilized mammalian egg releases from its surface billions of zinc atoms in “zinc sparks ” one wave after another found a Northwestern ... - Read More

Theory details how 'hot' monomers affect thin-film formation

Like a baseball player sliding into third a hot monomer skids in a straight line along a cold surface until it's safely among its fellow molecules This is not what usually happens when scientists assemble ... - Read More

The gold standard: Affordable catalyst for energy and environmental applications

Precious elements such as platinum work well as catalysts in chemical reactions but require large amounts of metal and can be expensive However computational modeling below the nanoscale level may allow researchers to design more ... - Read More

Ultrafast complex molecular simulations by ‘cutting up molecules’

Scientists at ITbM Nagoya University and AIST have developed an ultrafast quantum chemical method which allows rapid and accurate simulations of complex molecular systems consisting of thousands of molecules Nagoya Japan Professor Stephan Irle and ... - Read More

Nanoparticle cluster manufacturing technique using DNA binding protein developed

Scientists in South Korea used the Zinc Finger protein to develop a new manufacturing technique for size controllable magnetic Nanoparticle Clusters Professor Hak Sung Kim of the Department of Biological Sciences at Korea Advanced Institute ... - Read More

A new look at the finer details of rust show an assumed atomic structure has been wrong all along

Magnetite or Fe3O4 is an elaborate kind of rust a regular lattice of oxygen and iron atoms But this material plays an increasingly important role as a catalyst in electronic devices and in medical applications ... - Read More

Computers that teach by example: New computer system enables pattern-recognition systems to convey what they learn to humans

Computers are good at identifying patterns in huge data sets Humans by contrast are good at inferring patterns from just a few examples In a paper appearing at the Neural Information Processing Society's conference next ... - Read More

Upsetting the stability of super-small gold clusters generates multifaceted nanocrystals with potent catalytic properties

A*STAR researchers have devised a way to destabilize gold nanoclusters so that they form tiny atomic nuclei that then grow together into perfectly proportioned 12 sided dodecahedron crystals These unique polyhedra have energy rich surfaces ... - Read More

Unravelling the complexity of proteins

Knowledge of the three dimensional structures of proteins is essential for understanding biological processes Structures help to explain molecular and biochemical functions visualize details of macromolecular interactions facilitate understanding of underlying biochemical mechanisms and define ... - Read More

Quantum mechanical calculations reveal the hidden states of enzyme active sites

Enzymes carry out fundamental biological processes such as photosynthesis nitrogen fixation and respiration with the help of clusters of metal atoms as active sites But scientists lack basic information about their function because the states ... - Read More

Wild molecular interactions in a new hydrogen mixture

Hydrogen the most abundant element in the cosmos responds to extremes of pressure and temperature differently Under ambient conditions hydrogen is a gaseous two atom molecule As confinement pressure increases the molecules adopt different states ... - Read More

Protein Found in Insect Blood That Helps Power Pests' Immune Responses

along a larger carbohydrate molecule that makes a cell wall Their work identified the spatial orientation of the GRP proteins in the cluster and showed that the protein carbohydrate complexes stimulate an immune response in ... - Read More
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