Home > News > Negligible Proportion Of Artificial Carbon-based Nanoparticles Found In Aquatic Sediments
March 24th, 2009
Negligible Proportion Of Artificial Carbon-based Nanoparticles Found In Aquatic Sediments
The quantity of artificial carbon-based nanoparticles in lake and river-beds, originating from new products, is negligible compared to the concentration of natural carbon-based nanoparticles that are present in such beds. The accumulated particles in the sediments contain at least 10,000 times more natural nanoparticles than artificial ones. This result emerged from a model study conducted by researchers at Wageningen University in the Netherlands, Duke University in the USA and Empa in St. Gallen, Switzerland.
The research team, comprising Prof. Bart Koelmans of Wageningen University and colleagues from Duke University and the Swiss Federal Laboratories for Materials Testing and Research (Empa), collected previous calculations about the emissions of nanoparticles and their concentrations in surface water in order to predict the sedimentation in lakes.
This would mean that the artificial carbon-based nanoparticles pose virtually no additional risk in comparison to the proportion of nanoparticles that are already present in sediments", explains Prof. Koelmans.
News and information
'Stealth' nanoparticles could improve cancer vaccines October 1st, 2014
Stressed Out: Research Sheds New Light on Why Rechargeable Batteries Fail October 1st, 2014
New Absorber Will Lead to Better Biosensor: Biosensors are more sensitive and able to detect smaller changes in the environment October 1st, 2014
Graphene chips are close to significant commercialization October 1st, 2014
Preparing for Nano
Durnham University's DEEPEN project comes to a close September 26th, 2012
Technical Seminar at ANFoS 2012 August 22nd, 2012
Nanotechnology shows we can innovate without economic growth April 12th, 2012
Thailand to host NanoThailand 2012 December 18th, 2011
Nanoparticles Accumulate Quickly in Wetland Sediment: Aquatic food chains might be harmed by molecules "piggybacking" on carbon nanoparticles October 1st, 2014
Production of Filters for Separation of Water from Petroleum Products in Iran October 1st, 2014
On the Road to Artificial Photosynthesis: Berkeley Lab Study Reveals Key Catalytic Factors in Carbon Dioxide Reduction September 25th, 2014
World's smallest reference material is big plus for nanotechnology September 25th, 2014