Lynn L. Bergeson, “EC Scientific Committee’s Preliminary Opinions for Certain Gold and Platinum Nanomaterials Open for Comment,” Nanotechnology Now, April 19, 2021.

On April 16, 2021, the European Commission (EC) Scientific Committee on Consumer Safety (SCCS) posted two preliminary opinions for comment: Opinion on Gold (nano), Colloidal Gold (nano), Gold Thioethylamino Hyaluronic Acid (nano) and Acetyl heptapeptide-9 Colloidal gold (nano) and Opinion on Platinum (nano), Colloidal Platinum (nano) and Acetyl tetrapeptide-17 Colloidal Platinum (nano).