Author Biography: Hayden |
| Last Updated: December 6, 2007 |
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 Dr. Hayden received a B.S. in Chemistry from the University of MD at College Park in 1984 and a Ph.D. in Chemistry from Clarkson University, Potsdam, NY in 1991. His Ph.D. thesis work on biotransformation of halogenated ethylenes was conducted in the laboratory of Dr. James L. Stevens at the W. Alton Jones Cell Science Center in Lake Placid, NY. As a Post-Doctoral (PRAT) Fellow in the laboratory of Dr. Colin F. Chignell at the NIEHS, he studied ESR spectroscopy, spin-trapping of free radicals and free radical toxicity in skin cells.
Dr. Hayden first began working with in vitro skin models while employed by the Gillette Company (1995-1999), where he experimented with the Skin2™ and EpiDerm™ models in relation to irritation screening of consumer products.
Since 1999, Dr. Hayden has been employed by MatTek Corporation, where he has led the development of MatTek's full-thickness skin model (Epiderm-FT™) and manages the production and ongoing research related to the EpiDerm-FT™, EpiAirway™ and other in vitro human models.
Patrick J. Hayden
MatTek Corporation
200 Homer Avenue
Ashland, MA 01721
E-mail: phayden@mattek.com | 
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