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Surface and Trace Chemical Analysis Group


The Analytical Microscopy Group conducts research on the chemical and structural properties of matter by applying various ion and photon based microscopies whose resolution range from micrometers to nanometers; Researches the fundamental aspects of the excitation process, quantification, standards development, instrumental improvements, and data analysis challenges associated with these analytical methods; Conducts research on autoradiography and nuclear track methods; Conducts research in generation and size-calibration of particles; Develops and applies methods for the concentration, separation, and isotope measurement of trace atmospheric gases and particles; Researches fundamental aspects of trace detection of explosive and narcotic particles using ion mobility spectrometry; Applies analytical microscopy methods to problems in materials science, semiconductor technology, bioscience, environmental science, and homeland security.


NIST Test Bed for Explosives Trace Detection—The NIST Entry Point Screening Test Bed conducts fundamental research to generate measurements and standards that address critical challenges in Homeland Security and demonstrates their impacts in …

Chemistry in Analytical Microscopy Group—Chemistry is the science concerned with the composition, structure, and properties of matter, as well as the changes it undergoes during chemical reactions.

Materials Science—Materials science is an interdisciplinary field involving the properties of matter and its applications to various areas of science and engineering. This science investigates the relationship …

Public Safety and Security in Analytical Microscopy Group—Reliable standards are needed to test, maintain, and improve the effectiveness of trace detectors that protect the public, commerce, and infrastructure of the United States. Currently, the NIST …

Nanotechnology in Analytical Microscopy Group—Nanotechnology refers to a field whose theme is the control of matter on an atomic and molecular scale. Generally nanotechnology deals with structures of the size 100 nanometers or smaller, and …

Measurement Standards in Analytical Microscopy Group—The use of standards is considered a critical component in the assurance of analytical quality, allowing reliable measures of detection limits, accuracy, and reproducibility. These standards may be …

Bioscience and Health—Chemical microanalysis of biologically relevant systems is used to advance medical research. Molecular bioimaging and compositional depth profiling using secondary ion mass spectrometry are such …

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Credit: NIST


Dr. Greg Gillen

301-975-2190 Telephone
301-417-1321 Facsimile

100 Bureau Drive, M/S 8371
Gaithersburg, MD 20899-8371