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NIST Authors in Bold

Displaying 251 - 275 of 846

A medical device-grade T1 and ECV phantom for global T1 mapping quality assurance - The T 1 Mapping and ECV Standardization in cardiovascular magnetic resonance (T1MES) program

September 22, 2016
Author(s)
Gabriella Captur, Peter Gatehouse, Katy Keenan, Friso Heslinga, Ruediger Bruehl, Marcel Prothmann, Martin J. Graves, Richard J. Eames, Camilla Torlasco, Giulia Benedetti, Jacqueline Donovan, Bernd Ittermann, Redha Boubertakh, Andrew Bathgate, Celine Royet, Wenjie Pang, Reza Nezafat, Michael Salerno, Peter Kellman, James C. Moon
Background: T1 mapping and extracellular volume (ECV) have the potential to guide patient care and serve as surrogate end-points in clinical trials, but measurements differ between cardiovascular magnetic resonance (CMR) scanners and pulse sequences. To

After oxidation, zinc nanoparticles lose their ability to enhance responses to odorants

September 20, 2016
Author(s)
Samantha Hagerty, Yasmine C. Daniels, Melissa Singletary, Oleg Pustovyy, Ludmila Globa, William A. MacCrehan, Shinichiro Muramoto, June W. Lau, Edward Morrison, Iryna Sorokulova, Vitaly Vodyanoy, Gheorghe Stan
Electrical responses of olfactory sensory neurons to odorants were examined in the presence of zinc nanoparticles of various sizes and degrees of oxidation. The zinc nanoparticles were prepared by the underwater electrical discharge method and analyzed by

Inhibition of DNA glycosylases in development of cancer therapeutics

September 4, 2016
Author(s)
M Miral Dizdar, Pawel Jaruga, Erdem Coskun, Marcus J. Calkins, Nathan Donley, Dorjbal Dorjsuren, Anton Simeonov, Amanda K. McCullough, R S. Lloyd, Ajit Jadhav
In cancer therapy, the efficacy of therapeutic agents may be influenced by increased DNA repair capacity. This may be due to overexpression of DNA repair proteins that repair therapy-induced DNA lesions in tumors before they become toxic. Inhibition of DNA

Certified DNA Reference Materials to Compare HER2 Gene Amplification Measurements Using Next- Generation Sequencing Methods

September 1, 2016
Author(s)
Chih-Jian Lih, Robin D. Harrington, Kneshay Harper, David J. Sims, Paul McGregor, Corinne Camalier, Han Si, Biswajit Das, P. M. Williams, Hua-Jun He, Jamie L. Almeida, Steven Lund, Steven J. Choquette, Kenneth D. Cole
The National Institute of Standards and Technology (NIST) Standard Reference Materials 2373 is a set of genomic DNA samples prepared from five breast cancer cell lines with certified values for the ratio of the HER2 gene copy number to the copy numbers of

The Comet Assay: Methods for Quantitative Image Analysis and Reproducibility

September 1, 2016
Author(s)
Donald H. Atha, Signe Braafladt, Vytautas Reipa
The comet assay,or single cell gel electrophoresis,is a sensitive and efficient technique for analyzing DNA damage in the form of single and double strand breaks in single cells. DNA alteration,from strand breaks,can lead to cancer and other health risks

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1988 Comparability Studies: Results for Round Robins XII, XIII, and XIV Fat-Soluble Vitamins and Carotenoids in Human Serum

August 29, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Willie E. May
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat-soluble vitamins and carotenoids in human serum and plasma. This report describes the design

NIST Micronutrients Measurement Quality Assurance Program Winter, Spring, and Fall 1989 Comparability Studies: Results for Round Robins XV, XVI, and XVII Fat-Soluble Vitamins and Carotenoids in Human Serum

August 29, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Willie E. May, Neal E. Craft
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat -soluble vitamins and carotenoids in human serum and plasma. This report describes the design

Roles of Nanofiber Scaffold Structure and Chemistry in Directing Human Bone Marrow Stromal Cell Response

August 22, 2016
Author(s)
Sumona Sarkar, Bryan A. Baker, Desu Chen, Patrick S. Pine, Jennifer H. McDaniel, Marc L. Salit, Wolfgang Losert, Carl G. Simon Jr., Joy P. Dunkers
Nanofiber technology has emerged as a promising tool to recapitulate the native extracellular matrix structure; however the properties of nanofibers governing cell-material interactions are still largely undetermined. In this study we have systematically

NIST Micronutrients Measurement Quality Assurance Program Summer 2015 Comparability Studies: Results for Round Robin LXXVIII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 43 Ascorbic Acid in Human Serum

July 28, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes

NIST Micronutrients Measurement Quality Assurance Program Winter 2015 Comparability Studies: Results for Round Robin LXXVII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 42 Ascorbic Acid in Human Serum

July 28, 2016
Author(s)
Jeanice M. Brown Thomas, David L. Duewer
The National Institute of Standards and Technology coordinates the Micronutrients Measurement Quality Assurance Program (MMQAP) for laboratories that measure fat- and water-soluble vitamins and carotenoids in human serum and plasma. This report describes

A New Molecular Model for Lithium's Biological Interactions

July 25, 2016
Author(s)
John Marino, Katharine T. Briggs, Gary G. Giulian, Joe Kao, Gong Li
Lithium carbonate, a drug for the treatment of Bipolar Disorder, provides mood stability to mitigate recurrent episodes of mania and/or depression. Despite its long term and widespread use, the mechanism by which lithium acts to elicit these psychological

Standards for cell line authentication and beyond

June 14, 2016
Author(s)
Jamie L. Almeida, Kenneth D. Cole, Anne L. Plant
Different genomic technologies have been applied to cell line authentication, but only one method (short tandem repeat profiling) has been the subject of a comprehensive standard (ASN-0002). Here we discuss the power of this document, and why standards

Wide-field quantitative imaging of tissue microstructure using high-frequency structured light

June 9, 2016
Author(s)
David McClatchy III, Elizabeth Rizzo, wendy wells, Jeeseong C. Hwang, keith paulson, Brian Pogue, Stephen Kanick
Sub-diffusive structured light imaging has been shown to accurately and quantitatively map the reduced scattering coefficient and the phase function backscatter parameter in a wide-field geometry. This study shows the first the experimental imaging of

Extensive sequencing of seven human genomes to characterize benchmark reference materials

June 7, 2016
Author(s)
Justin M. Zook, Jennifer H. McDaniel, David N. Catoe, Lindsay Harris, Marc L. Salit
The Genome in a Bottle Consortium hosted by the National Institute of Standards and Technology, (NIST), is creating reference materials and data for human genome sequencing, as well as methods for genome comparison and benchmarking. Here, we describe a

Measurement of DNA repair protein apurinic/apyrimidinic endonuclease 1 (APE1) in human tissues by liquid chromatography/tandem mass spectrometry with isotope dilution

June 5, 2016
Author(s)
Pawel Jaruga, Guldal Kirkali, Prasad T. Reddy, Alessandro Tona, Bryant C. Nelson, Li Mengxia, David M. Wilson III, Erdem Coskun, M Miral Dizdar
Introduction DNA repair proteins may be used as biomarkers in disease etiology and therapy. Thus, the accurate determination of DNA repair protein expression and genotype in human tissues is of fundamental importance. Apurinic/apyrimidinic endonuclease 1
Displaying 251 - 275 of 846
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