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Easing Concerns About The Toxicity Of Diamond Nanoparticles

Date:
January 2, 2007
Source:
American Chemical Society
Summary:
New research has brightened the prospects for using nanodiamonds as drug carriers, implant coatings, nanorobots and other medical applications that take advantage of diamond nanoparticles' attractive properties.

New research has brightened the prospects for using nanodiamonds as drug carriers, implant coatings, nanorobots and other medical applications that take advantage of diamond nanoparticles' attractive properties.

The research is scheduled for publication Dec. 28 in ACS' weekly The Journal of Physical Chemistry B.

Liming Dai (University of Dayton), Saber M. Hussain (Wright-Patterson Air Force Base) and colleagues, including PhD student Amanda Schrand, explain that advances in technology have made a new generation of nanodiamonds available. Although diamond in bulk form is inert and biocompatible, nano-materials often behave differently than their bulk counterparts. That led to concern that diamond nanoparticles might have toxic effects on cells.

"We have for the first time assessed the cytotoxicity of nanodiamonds ranging in size from 2 to 10 nm," the researchers state, adding that nanodiamonds were not toxic to a variety of different cell types.

"These results suggest that nanodiamonds could be ideal for many biological applications in a diverse range of cell types," they add.


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The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Cite This Page:

American Chemical Society. "Easing Concerns About The Toxicity Of Diamond Nanoparticles." ScienceDaily. ScienceDaily, 2 January 2007. <www.sciencedaily.com/releases/2007/01/070101113457.htm>.
American Chemical Society. (2007, January 2). Easing Concerns About The Toxicity Of Diamond Nanoparticles. ScienceDaily. Retrieved September 21, 2014 from www.sciencedaily.com/releases/2007/01/070101113457.htm
American Chemical Society. "Easing Concerns About The Toxicity Of Diamond Nanoparticles." ScienceDaily. www.sciencedaily.com/releases/2007/01/070101113457.htm (accessed September 21, 2014).

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