I found the following somewhat related article a few weeks ago. I thought the nanoparticles in sausage casing was a bad idea because it would also kill microbes in the digestive tract. In light of the sensitization issue, nanoparticles in food is an even worse idea. I hope they do some major feasibility studies before feeding it to people.
Brady P. Arnold
phone (913) 227-7143
fax (913) 227-7199
From: DCHAS-L Discussion List [mailto:dchas-l**At_Symbol_Here**MED.CORNELL.EDU] On Behalf Of Ralph B. Stuart
Sent: Tuesday, May 20, 2014 10:36 AM
Subject: [DCHAS-L] Occupational handling of nickel nanoparticles: A case report
Occupational handling of nickel nanoparticles: A case report
A 26-year-old female chemist formulated polymers and coatings usually using silver ink particles. When she later began working with nickel nanoparticle powder weighed out and handled on a lab bench with no protective measures, she developed throat irritation, nasal congestion, "post nasal drip," facial flushing, and new skin reactions to her earrings and belt buckle which were temporally related to working with the nanoparticles. Subsequently she was found to have a positive reaction to nickel on the T.R.U.E. patch test, and a normal range FEV1 that increased by 16% post bronchodilator. It was difficult returning her to work even in other parts of the building due to recurrence of symptoms. This incident triggered the company to make plans for better control measures for working with nickel nanoparticles. In conclusion, a worker developed nickel sensitization when working with nanoparticle nickel powder in a setting without any special respiratory protection or control measu!
Am. J. Ind. Med. (c) 2014 Wiley Periodicals, Inc.
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