Updated: 11/24/2005; 11:39:09 PM.

Nanoscale technology
Interesting tech developments in nanotech, nanostructured materials, etc.


daily link  Friday, January 16, 2004


Nanotox 2004: "There is accumulating evidence that nanoparticles can have very toxic properties. Many nanoparticle systems are known to have exotic structural, electronic and hence chemical properties, when compared to their bulk counterparts, principally as a result of their reduced dimensions. However very little is known about the interaction between the surface chemistry of nanoparticles and ‘wet’ biochemistry. 
 
There are a variety of novel materials that have become part of the human environment over the past fifty years; some are unintentionally inhaled or ingested, whilst others are introduced into the body intentionally and have been studied in detail, for example prosthetic implants. The revolution in nanotechnology is currently driving these and other biointeractive devices to smaller and smaller lengthscales. Other groups are actively engaged in interfacing biomolecules into ‘biocomputing devices’. 
 
The primary aim of this meeting is to bring together experts in the science of materials, particularly nanoscale materials, with biomedical scientists studying the health effects of nanoparticle exposure. This meeting will attempt to advance understanding of the molecular mechanisms for toxicity and develop novel methods of research based on the latest technologies...

The venue for the meeting is the world famous Daresbury Laboratories in Cheshire, .. home to the new SuperSTEM atomic resolution analysis facility consisting of a suite of aberration-corrected scanning transmission electron microscopes capable of sub-Angstrom chemical imaging and spectroscopy ideal for the study of nanoparticles." 

Wired carries a story before the conference: "There is an established risk with some novel materials. Research in this month's issue of Toxicological Sciences concludes that carbon nanotubes, which have a huge variety of potential applications, can be more toxic than quartz, which is considered a serious occupational health hazard. "

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Copyright 2005 © Ken Novak.
Last update: 11/24/2005; 11:39:09 PM.