Interesting item in the Sunday Times yesterday about FDA reservations about the use of nanoparticles in skin creams. http://www.timesonline.co.uk/newspaper/0,,176-1697116_1,00.html . A report on last October's Buxton symposium on Occupational Health Implications of Nanomaterials has recently been placed on the Health and Safety Laboratory's website at: http://www.hsl.gov.uk/capabilities/nanotech.htm . This gives a rather broader picture of course. Ken Donaldson and colleagues had an editorial last year in OEM about the toxicology of such particles. There is an extract at http://oem.bmjjournals.com/cgi/content/extract/61/9/727 , but non-subscribers have to pay to get the full text. Trevor (Dr) Trevor Ogden Editor in Chief, Annals of Occupational Hygiene http://annhyg.oupjournals.org/ [log in to unmask] or [log in to unmask] North American Editor: Professor Stephen Rappaport, [log in to unmask]