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You searched on: Author: lisa karam Sorted by: date

Displaying records 1 to 10 of 46 records.
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1. Consultative Committee on Ionizing Radiation: Impact on Radionuclide Metrology
Published: 1/25/2016
Authors: Lisa R Karam, G Ratel
Abstract: In response to the CIPM MRA, and to improve radioactivity measurements in the face of advancing technologies, the CIPM‰s consultative committee on ionizing radiation developed a strategic approach to the realization and validation of measurement trac ...

2. Uncertainties in Internal Gas Counting
Published: 5/22/2015
Authors: Michael P Unterweger, L Johansson, M Rodriques, A Yunoki, Lisa R Karam
Abstract: The uncertainties in internal gas counting can, for the most part, be split into two areas: counting and sample gas measurement uncertainties and the counting uncertainties. The former includes measurements of counting and sample gas quantities and a ...

3. Significant disparity in base and sugar damage in DNA by neutron and electron irradiation
Published: 7/1/2014
Authors: Pawel Jaruga, Jeffrey S Nico, Lisa R Karam, Olga Timofeeva, William Blakely, M Miral Dizdar, D Pang
Abstract: In this study a comparison of the effects of high-LET neutrons with low-LET electrons on irradiation of aqueous DNA solutions was investigated to characterize for potential neutron signatures on DNA damage induction. Ionizing radiations generate ...

4. Measurement Traceability in Medical Physics
Published: 1/1/2014
Author: Lisa R Karam
Abstract: Medical physics, the joining of physics with healthcare, requires a level of quality assurance beyond many applications of the physical sciences. Always the health, and often the life, of the patient depends on the precise and accurate implementation ...

5. Laboratories New to the ICRM
Published: 3/4/2012
Authors: Lisa R Karam, Marios J. Anagnostakis, Arunas Gudelis, Pujadi Marsoem, Alexander Mauring, Gatot Wurdiyanto, Ulku Yucel
Abstract: The Scientific Committee of the ICRM decided, for the 2011 Conference, to present laboratories that are at a key developmental stage in establishing, expanding or applying radionuclide metrology capabilities. The expansion of radionuclide metrology ...

6. Radiation-Based Quantitative Bioimaging at NIST
Published: 8/1/2009
Author: Lisa R Karam
Abstract: The National Institute of Standards and Technology (NIST) provides the physical measurements and standards in a variety of fields, including for ionizing radiation, for the US. Building on a long history of providing standards for medical x rays and ...

7. Reducing the Radiological and Nuclear ThreaStandards for Radiation and Nuclear Detection
Published: 12/31/2007
Author: Lisa R Karam
Abstract: A multi-year effort to develop standards for radiation and nuclear detection for homeland security, begun in early 2002, has led to a comprehensive support system for the development, testing, and validation of effective prevention, detection, respon ...

8. Application of the CIPM MRA to Radionuclide Metrology
Published: 6/6/2007
Author: Lisa R Karam
Abstract: The adoption of the Mutual Recognition Arrangement by the CIPM in 1996 had an almost immediate affect on the approach national measurement laboratories took in the measurement laboratories took in the measurement of radioactivity, and how their abili ...

9. Calibration of HPGe Gamma-ray Detectors for Measurement of Radioactive Noble Gas Sources
Published: 1/1/2006
Authors: Leticia S Pibida, S S Nafee, Michael P Unterweger, Michelle M. Hammond, Lisa R Karam, I Abbas m

10. Development of Gamma-ray Emitting Test Sources for Portal Monitors
Published: 1/1/2006
Authors: Leticia S Pibida, Michael P Unterweger, Lisa R Karam

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