Year End Nanotechnology Developments

By William J. Walsh, Of Counsel, Pepper Hamilton LLP The Environmental Protection Agency's Inspector General (IG) issued a report, EPA Needs to Manage Nanomaterial Risks More Effectively , December 29, 2011 critiquing EPA's regulation of nanomaterials (i.e., particles or fibers with a diameter...

Nanoparticles Impair Blood Vessel Function

Prior posts have noted the wide range of materials and consumer products in which nanoparticles are used, and also that nanoparticles can cross the so-called blood-brain barrier. New research, using animal models, suggests that such materials may impair blood vessel function. Researchers exposed rats...