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Results 341 - 350 of 1516 for Oxygen
  • Novel Carbene Catalyst Opens New Perspectives
    News - 20 Apr 2009
    It's the reason why chemists envy green plants: by using photosynthesis, plants can easily fix the carbon dioxide that is so plentiful in air to make biomass, or organic compounds. Chemists would...
  • Scientists Design Way to Enhance TiO2 Catalytic Efficiency
    News - 29 Mar 2009
    Titanium dioxide (TiO2) catalysts are widely used for producing hydrogen gas for fuel cells. TiO2 is a photoactive material that converts sunlight into electronic charge, and then uses these charges...
  • Nanoptek Corp. Awarded U.S. Patent
    News - 12 Mar 2009
    Nanoptek Corporation has been awarded U.S. Patent No. 7,485,799 "Stress-Induced Bandgap-Shifted Semiconductor Photoelectrolytic, Photocatalytic, Photovoltaic Surface and Method for Making...
  • Studying the Signals in the Body that Control the Generation of Blood Vessels
    News - 21 Feb 2009
    Researchers at Uppsala University have developed a new tool that makes it possible to study the signals in the body that control the generation of blood vessels. The researchers' findings,...
  • Turbocharged Catalytic Alloy Nanomotors
    News - 29 Oct 2008
    Nanorobots that are introduced into the body to eradicate tumor cells or clean out clogged arteries are not just science fiction; they are a realistic vision of the technological possibilities of the...
  • Smart Fabrics and Intelligent Textiles
    News - 15 Oct 2008
    Smart fabrics and intelligent textiles - material that incorporates cunning molecules or clever electronics - is thriving and European research efforts are tackling some of the sector's toughest...
  • Too Much Good Nanotechnology May Be Bad for the Environment With Silver Nanoparticles Killing Beneficial Bacteria
    News - 30 Apr 2008
    Too much of a good thing could be harmful to the environment. For years, scientists have known about silver’s ability to kill harmful bacteria and, recently, have used this knowledge to create...
  • Real Time Observation of Biological Electron Transfer
    News - 4 Mar 2008
    Two research teams led by Dr. Michael Verkhovsky and Prof. Mårten Wikström of the Institute of Biotechnology of the University of Helsinki have for the first time succeeded in monitoring...
  • Nanoparticles Yield Safer Light-Activated Cancer Therapy
    News - 28 Sep 2007
    Photodynamic therapy, in which light activates a chemical known as a photosensitizer, triggering the production of cell-killing reactive oxygen, has proven itself as an effective therapy for a limited...
  • Turning Water Into Fuel
    News - 21 Aug 2007
    In an effort to develop alternative energy sources such as fuel cells and solar fuel from "artificial" photosynthesis, scientists at the U.S. Department of Energy's Brookhaven National...

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