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properly integrating the various components. Measurement needs now being defined by the energy, homeland security, environmental, and health-care sectors are challenging sensor-science researchers to develop
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Michael Pettibone john.pettibone@nist.gov 301.975.5656 Description Detection, characterization and temporal evolution of metal nanoparticles is undergoing environmental transformations. Within
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topics include 1) the development of measurement methods and techniques to collect, sample, and characterize release material from nanocomposites under various use scenarios to aid downstream hazard
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(1) development of nanoscale characterization techniques to measure mechanical, chemical, and rheological properties of microscopic volume elements with nanoscale spatial resolution using atomic force
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cell is alive or dead, is a critical and challenging measurement. Our goal is to develop advanced methods for rapidly, accurately and quantitatively measuring the viability of mixed microbial populations
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measurement traceability to the SI (unit Bq) by expanding on traditional gas counting capabilities and developing new methods to meet outstanding challenges. In particular, we seek to develop absolute assay
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“phonon laser,” for which we are interested in developing applications. We are now exploring high-contrast gratings with a 2D periodicity, and active-cavity devices based on these structures. In related
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will have opportunities for participation in instrument/technique development projects. key words Radionuclide metrology; Digital data acquisition; Si(Li) detector; HPGe detector; Coincidence counting
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quantitation of the effects of environmental context and evolution. The Group aims to advance fundamental understanding, improve predictability for design, ensure reproducibility and comparability, and
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. Opportunities exist for (1) developing a framework for design of buildings and infrastructure systems to meet recovery-based objectives (functional recovery framework), (2) developing design criteria