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Dr. De-Hao Tsai

Research Interest

  • Characterization methods for the applications of nanomedicine: explore the capabilities to investigate the molecular conjugation on the surface of nanoparticle and particle aggregation.
  • Kinetic study of gold nanoparticle-molecule interactions by using complimentary physical characterization methods. 

Honors and Awards

  • Materials Research Society and American Association for Aerosol Research (memberships)

Publications Prior to Joining NIST:

  • D-H Tsai, L. F. Pease III, R. A. Zangmeister, M. J. Tarlov, M. R. Zachariah, "Aggregation Kinetics of Colloidal Particles by Gas-Phase Differential Mobility Analysis", Langmuir 25, 140 (2009).
  • D-H Tsai, R. A. Zangmeister, L. F. Pease III, M. J. Tarlov, M. R. Zachariah, "Gas-Phase Ion-Mobility Characterization of SAM Functionalized Au Nanoparticles", Langmuir, 24(16) 8493 (2008).
  • D-H Tsai, T. Hawa, H-C Kan, R. J. Phaneuf, and M. R. Zachariah, "Spatial and Size-Resolved Electrostatic-Directed Deposition of Nanoparticles on a Field-Generating Substrate: Theoretical and Experimental Analysis", Nanotechnology, 18 (36), 365201, (2007). 
De-Hao Tsai2


Materials Research Engineer, NIST Associate
Ceramics Division
Nanomechanical Properties Group

Employment History:

2009-present: NIST Associate, National Institute of Standards and Technology
2008-2009: Scientist, Cabot Microelectronic Corporation, IL
2003- 2008: Guest Researcher, National Institute of Standards and Technology


Ph.D., Material Science & Engineering, University of Maryland, College Park, 2007
M.S., Chemical Engineering, National Tsing Hua University, Taiwan, 2000
B.S., Chemical Engineering, National Cheng Kung University, Taiwan, 1998


Phone: 301-975-8609
Fax: 301-975-5334