FDA will hold a public meeting on September 23, 2010 to seek input on the manufacturing, characterization, and biocompatibility evaluation of medical devices containing or utilizing nanomaterials and nanostructures, including diagnostics. Meeting participants may either make a short oral presentation or participate in a round-table discussion. Registration for the meeting closes on September 15, 2010. The deadline for submitting written comments to be considered at the meeting is September 15, 2010, and all other comments will be accepted until October 22, 2010.