Associate Professor

Philip K. Demokritou

Associate Professor of Aerosol Physics

Environmental Health

Other Positions

Instructor in Environmental Science and Engineering Program in the School of Public Health

Environmental Health

Harvard T.H. Chan School of Public Health


Banning carbon nanotubes would be scientifically unjustified and damaging to innovation.

Heller DA, Jena PV, Pasquali M, Kostarelos K, Delogu LG, Meidl RE, Rotkin SV, Scheinberg DA, Schwartz RE, Terrones M, Wang Y, Bianco A, Boghossian AA, Cambré S, Cognet L, Corrie SR, Demokritou P, Giordani S, Hertel T, Ignatova T, Islam MF, Iverson NM, Jagota A, Janas D, Kono J, Kruss S, Landry MP, Li Y, Martel R, Maruyama S, Naumov AV, Prato M, Quinn SJ, Roxbury D, Strano MS, Tour JM, Weisman RB, Wenseleers W, Yudasaka M.

Nat Nanotechnol. 2020 03. 15(3):164-166. PMID: 32157238


Cleaning hands without water

Dirty hands can spread the germs that cause numerous diseases, and these diseases sicken millions worldwide each year. Current hand hygiene practices involve washing with soap and water and using antiseptic hand rubs, but both methods have drawbacks.…

Could a nanofiber help fight the obesity epidemic?

July 13, 2018 — You won’t smell it. You won’t taste it. And you certainly won’t see it. But a nanocellulose material derived from all-natural substances could potentially become a food additive that reduces fat digestion and absorption…

New Center to assess safety of engineered nanomaterials

August 16, 2016—Engineered nanomaterials (ENMs)—which are less than 100 nanometers (one millionth of a millimeter) in diameter—can make the colors in digital printer inks pop and help sunscreens better protect against radiation, among many other applications in industry and…

Laser printing has gone ‘nano’ — but is it safe?

Researchers recommend that laser printers be kept in well-ventilated areas August 11, 2015 — Manufacturers of toner used in consumer laser printers and other printing equipment are incorporating engineered “nano” materials into their formulations to improve quality. It’s…