Titanium dioxide
hideTitanium dioxide, also known as titanium(IV) oxide or titania, is the naturally occurring oxide of titanium, chemical formula TiO2. When used as a pigment, it is called titanium white, Pigment White 6, or CI 77891. It is noteworthy for its wide range of applications, from paint to sunscreen to food colouring, for which it was given E number E171.
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News tagged with titanium dioxide
Hydrogen generation without the carbon footprint
Jul 15, 2008 |
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A greener, less expensive method to produce hydrogen for fuel may eventually be possible with the help of water, solar energy and nanotube diodes that use the entire spectrum of the sun's energy, according to Penn State researchers. ...
Nanoparticles used in common household items caused genetic damage in mice
Nanotechnology / Bio & Medicine
Nov 16, 2009 |
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Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...
Switched-on new nanotechnology paints for hospitals could kill superbugs
Nanotechnology / Bio & Medicine
Sep 09, 2008 |
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New nanotechnology paints for walls, ceilings, and surfaces could be used to kill hospital superbugs when fluorescent lights are switched on, scientists heard today at the Society for General Microbiology's Autumn meeting ...
Discovery of an Unexpected Boost for Solar Water-Splitting Cells
Nanotechnology / Nanomaterials
Apr 22, 2009 |
5 / 5 (22) |
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(PhysOrg.com) -- A research team from Northeastern University and the National Institute of Standards and Technology has discovered, serendipitously, that a residue of a process used to build arrays of titania ...
Easing Atmospheric CO2 Levels Using Nanotubes and Sunlight
Nanotechnology / Nanomaterials
Feb 16, 2009 |
4 / 5 (23) |
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(PhysOrg.com) -- Researchers at The Pennsylvania State University have determined a way to use arrays of nanotubes in a solar-based process to convert carbon dioxide and water into methane and other hydrocarbon ...
Nano-sandwich Triggers Novel Electron Behavior
May 04, 2009 |
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(PhysOrg.com) -- A material just six atoms thick in which electrons appear to be guided by conflicting laws of physics depending on their direction of travel has been discovered by a team of physicists at the University of ...
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
Oct 30, 2009 |
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(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...
Argonne 'homegrown' hybrid solar cell aims for low-cost power
Nanotechnology / Nanomaterials
Nov 10, 2009 |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory have refined a technique to manufacture solar cells by creating tubes of semiconducting material and then "growing" ...
Just dive in: Natural product hybrid provides antimicrobial and cell-resistant surfaces
Aug 01, 2008 |
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(PhysOrg.com) -- Infections following treatment in clinics, retirement homes, and long-term care facilities are a grave problem for patients, and resistant germs can be particularly devastating.
Dancing 'adatoms' help chemists understand how water molecules split
Mar 16, 2009 |
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Single oxygen atoms dancing on a metal oxide slab, glowing brighter here and dimmer there, have helped chemists better understand how water splits into oxygen and hydrogen. In the process, the scientists have visualized a ...
Nanotech particles affect brain development in mice
Nanotechnology / Bio & Medicine
Jul 28, 2009 |
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Maternal exposure to nanoparticles of titanium dioxide (TiO2) affects the expression of genes related to the central nervous system in developing mice. Researchers writing in BioMed Central's open access journal Particle an ...
Titanium Dioxide Nanoparticles Catalyze Brain Tumor Death
Nanotechnology / Bio & Medicine
Sep 24, 2009 |
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(PhysOrg.com) -- Scientists from the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago Medical Center’s Brain Tumor Center have developed a way to target brain cancer cells using ...
Truth Is Stranger Than Science: Discovering true properties of metal oxides
Sep 17, 2009 |
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(PhysOrg.com) -- To successfully compete in a global marketplace, manufacturers continually search for better materials: faster drying and less hazardous paint, longer-lasting sunscreen, and faster computers. ...
Scientists develop targeted cancer treatment using nanomaterials
Nanotechnology / Bio & Medicine
Aug 19, 2009 |
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(PhysOrg.com) -- Scientists from the U.S. Department of Energy's Argonne National Laboratory and the University of Chicago's Brain Tumor Center have developed a way to target brain cancer cells using inorganic ...
Nanoparticles in cosmetics/personal care products may have adverse environmental effects
Nanotechnology / Bio & Medicine
Mar 26, 2009 |
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Using aquatic microbes as their "canary-in-a-cage," scientists from Ohio today reported that nanoparticles now being added to cosmetics, sunscreens, and hundreds of other personal care products may be harmful ...
