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
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 ...
'Anti-swine flu' business suit on sale in Japan
Oct 09, 2009 |
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A Japanese menswear company has begun selling an "anti-swine flu" business suit that it says can reduce the risk of catching the virus.
EPA announces research strategy to study nanomaterials
Nanotechnology / Bio & Medicine
Sep 29, 2009 |
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The U.S. Environmental Protection Agency today outlined a new research strategy to better understand how manufactured nanomaterials may harm human health and the environment. Nanomaterials are materials that are between approximately ...
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. ...
Toward a nanomedicine for brain cancer
Nanotechnology / Bio & Medicine
Sep 09, 2009 |
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In an advance toward better treatments for the most serious form of brain cancer, scientists in Illinois are reporting development of the first nanoparticles that seek out and destroy brain cancer cells without ...
Carbonized TiO2 nanotubes with semimetallic properties increase the efficiency of methanol fuel cells
Nanotechnology / Nanomaterials
Sep 08, 2009 |
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(PhysOrg.com) -- Mention of nanotubes usually means carbon nanotubes. But not all tiny tubes are made of carbon. For example, layers made of nanoscopic titanium dioxide have proven to be useful materials for biotechnology, ...
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 ...
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 ...
Novel approach estimates nanoparticles in environment
Nanotechnology / Bio & Medicine
May 20, 2009 |
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Without knowing how much of an industrial chemical is being produced, it is almost impossible for scientists to determine if it poses any threat to the environment or human health.
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 ...
Discovery of an Unexpected Boost for Solar Water-Splitting Cells
Nanotechnology / Nanomaterials
Apr 22, 2009 |
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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 ...
Light-activated antibacterial coating is new weapon in fight against hospital-acquired infections
Mar 31, 2009 |
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A new hard coating with antibacterial properties that has been tested by researchers at the UCL Eastman Dental Institute has been shown to kill 99.9% of Escherichia coli bacteria when a white hospital light was shone on its ...
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 ...
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 ...
