Physicochemical Characterization of Engineered Nanoparticles: The measurands that influence Nano EHS

Angela Hight-Walker

Angela Hight-Walker

Senior Scientist, Nanoelectronics Group

National Institute of Standards and Technology (NIST)

Dr. Hight Walker came to NIST in 1994 as a National Research Council Postdoctoral Fellow and was hired as a staff member in 1996. She is now a Senior Scientist in the Semiconductor and Dimensional Metrology Division. Her group’s present research focuses on understanding the underlying chemistry and physics of nanomaterials, including noble and transition metallic nanoparticles, carbon nanotubes, and graphene. While the tool of choice is Raman spectroscopy, they use a suite of measurement methods to characterize the physicochemical properties of nanomaterials that enable key applications, such as electronics and medicine, as well as predict their impact on the Environmental Health and Safety. Angela is actively involved in standard activities regarding nanotechnology. Under ISO/TC 229, she chairs the US Technical Advisory Group for Working Group 2: Measurement and Characterization.

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