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Nanotoxicology Study Shows No Pulmonary Toxicity Issues For Type of Carbon Nanotube
Summary posted by Meridian on 8/19/2007 Researchers from Oak Ridge National Laboratory and the University of Tennessee, both in the U.S., report study findings that indicate that a form of engineered carbon nanoparticles called single-walled carbon nanohorns have shown no pulmonary toxicity in animal tests. The article says, “These findings are contrary to numerous studies in rats involving single-walled carbon nanotubes that have different shapes and sizes than those of nanohorns.” The article says that, unlike carbon nanotubes, carbon nanohorns can be produced without the use of metal catalysts, which researchers believe may be responsible for inflammatory responses and oxidative stress found in inhalation studies of single-walled carbon nanotubes. Carbon nanohorns may have applications in drug delivery, hydrogen storage, and fuel cells. The article can be viewed online at the link below. The original article may still be available at www.azonano.com/news.asp?newsID=4755 As tagged by Meridian Institute:
Energy:
Hydrogen, Fuel Cells Related Forums: |
Nanotechnology Quintuples Heating Capacity of Solar Water Heaters
-- Renewable Energy Magazine (9/1/2010) Researchers at the University of Rio de Janeiro (UFRJ), Brazil, have developed a solar heating system that uses nanotechnology to heat water to five times the temperature of a conventional system, while also permitting the collector surface area to retain up to 98 percent of heat from solar radiation. [More]
Pakistan's Science Minister Attacks Funding Cuts
-- SciDev.Net (9/1/2010) The Pakistan government has cuts its funds for the Pakistan Ministry of Science and Technology's 2010-2011 budget by almost half, causing the science minister, Muhammad Azam Khan Swati, to criticize his own government. [More]
Nanotechnology: Small wonders
-- Nature (9/1/2010) This article takes an in-depth look at the United States National Nanotechnology Initiative (NNI)'s first 10 years - to find out where the money went and what the initiative plans to do next. [More]
Nanotech on Farmers' Fields
-- Silicon Nutrition (8/31/2010) A plant nutrition study that addresses nano-sized plant nutrients is now available from the Landbouwkundige Uitgeverij G.C. van den Berg (Veenendaal, The Netherlands). [More]
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