Manufacturing Industry
Nanomaterials could disperse in natural environment.(NANOMATERIALS)
Advanced Ceramics Report, February, 2007
Experiments run by Georgia Institute of Technology (Georgia Tech), USA, using multi-walled carbon nanotubes (MWNTs), have shown that there is significant potential for dispersal in aquatic environments--especially when natural organic materials are present.
The researchers found that when mixed with natural organic matter in water from the Suwannee River--a relatively unpolluted waterway that originates in southern Georgia--MWNTs remain suspended for more than a month, making them more likely to be transported in the environment.
An assistant professor in the Georgia Tech School of Civil and Environmental Engineering, Jaehong Kim, said "We found that natural organic matter, or NOM as we call it, was efficient at suspending the nanotubes in water."...
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