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31
Aug

 

Nanoparticles of gold colored glasses act as air purifiers

 
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A team of Queensland University of Technology (QUT) found that the stained glass windows painted with gold nanoparticles, purify the air when illuminated by sunlight. Zhu Huai Yong, an associate professor in the Faculty of Physical and Chemical Sciences, QUT, said that glaziers in medieval forges were the first nanotechnologists who produced colors with gold nanoparticles of different sizes.

Zhu, numerous church windows across Europe were decorated with colored glass with gold nanoparticles. “For centuries, people appreciated the beautiful works of art, and long life of color, but not realizing that those works are also, in modern language, photocatalytic air purifier with nanostructured gold catalyst.”

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Category: NanotechnologyTags: Chemical Sciences, first nanotechnologists, gold nanoparticles, nanostructured gold catalyst, photocatalytic air purifier, Queensland University of Technology, Zhu Huai Yong
 

29
Aug

 

Nanowires of platinum for fuel cells

 
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Fuel cells are currently very under consideration for the consumer market applications, such as automobiles. However, even after several decades, they have not yet drilled, except for space applications. The main reason for this is the price of manufacture, if you want a battery sufficiently effective to be used to replace oil in cars.

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Category: physicsTags: battery, carbon electrodes, electro-rotation, fuel cells, nanowires, platinum catalyst
 

29
Aug

 

Spintronics finally used in the semiconductor

 
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Spintronics is a new field of research that may revolutionize microelectronics. A team from the University of Linkoping has managed to create a component of spintronics comprising a semiconductor and operating at room temperature.

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Category: physicsTags: gallium arsenide-oxide, opto-electronics, polarization, semiconductor, Spintronics, transmit information
 

29
Aug

 

Nano-origami from DNA molecules

 
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Scientists at the Technical University of Munich (TUM) and Harvard University have developed tools to form complex structures from short DNA molecules . They detail in the journal Science From 07 August 2009  how they have “bent” DNA molecules to form structures in three dimensions to the way of origami. The biophysicist Hendrik Dietz, a professor at the Technical University of Munich, said that his goal was to see if it was possible to program the DNA that organized itself into structures of nanometer with angles and curves predefined.

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Category: BiologyTags: biophysicist Hendrik Dietz, DNA, DNA molecules, Harvard University, nanoscale, programmable DNA, Technical University of Munich
 

25
Aug

 

Improving the surface of nanomaterials

 
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Carbon nanotubes have a large surface, excellent chemical stability and ability to improve the rate of electron transfer in numerous redox reactions. They are particularly useful in the preparation of electrocatalysts.

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Category: NanotechnologyTags: Carbon nanotubes, electrocatalysts, polymer ionic liquid, redox reactions, ruthenium
 

24
Aug

 

Stars Thorn

 
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The stars are dying wish to know: they also explode in a gamma ray burst, the most powerful explosions in the universe, source of light so intense that it is detectable billions of light years . Yet some celestial bodies are more discreet and disappear leaving no light escape, or so small: only gamma rays emanating from it can to apprehend their detonation.

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Category: Astronomy and AstrophysicsTags: cloud of dust, explosion black, explosions, galaxies, gamma ray, terrestrial telescope
 

24
Aug

 

A virus that could eliminate some tumors

 
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A team of researchers at the University of Bologna has demonstrated through an experiment on laboratory mice, by using herpes it is possible to remove tumors more aggressive breast and ovarian cancer. The results of this study were published in the journal PNAS (Proceedings of the National Academy of Sciences).

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Category: Medical ScienceTags: brain metastases, glycoprotein, laboratory mice, portion, Proceedings of the National Academy of Sciences
 

24
Aug

 

Atoms trapped

 
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The results of research conducted by Hans Lignier and Oliver Morsh CNR-INFM (National Institute for Matter Physics), in collaboration with Alessandro Zenesini and Donatella Ciampini of CNISM (National Interuniversity Consortium for Physical Sciences of Matter) and directed by Ennio Arimondo, University of Pisa, show how to trap and direct the atoms present in a crystal of laser light.

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Category: physicsTags: atoms, Crystal Light, crystals laser light, Hans Lignier, lengthen, Oliver Morsh, Physical Review, quantum simulators
 

24
Aug

 

Mystery of the Bermuda Triangle

 
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Researchers from the Tyumen region have their own explanation of the mystery surrounding the Bermuda Triangle. This was revealed at a conference on the theme yet far off, at first glance, the subject, since it was titled “Geology and rich oil and gas mega-basin in western Siberia.

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Category: EnvironmentTags: cloud of methane, Earth Cryosphere, gas hydrates, mega-basin, natural gas
 

24
Aug

 

Liquid fuel made from sawdust

 
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Specialists in A. N. Frumkin Institute of Physical Chemistry and Electrochemistry (Russian Academy of Sciences) have first shown that the radiolysis at high temperature provides a quality liquid fuel from sawdust wood. Scientists announce that the liquid obtained from birch sawdust meets the requirements of the fractional composition of engine fuel and octane level is not less than 90.

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Category: EnergyTags: aldehydes, aliphatic alcohols, carboxylic acids, furan, liquid fuel, oxides of alkyl, radiolysis, refrigerator water, sawdust wood, tetrahydrofuran
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