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Standards

Reference materials

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Displaying 451 - 475 of 533

A New NIST Mitochondrial DNA Interactive Website

August 1, 2002
Author(s)
Barbara C. Levin, L A. Tully, Diane K. Hancock, Frederick P. Schwarz, M S. Lee
Every human cell has from a few dozen to several thousand mitochondria each of which contain mitochondrial DNA (mtDNA). The sequence of the entire human mtDNA (16,569 base pairs) was determined and published by Anderson et al. in 1981. A mtDNA standard

Powder Standard Reference Materials

February 13, 2002
Author(s)
James F. Kelly
The measurement of particle size distributions has become increasingly important for the testing and certification of equipment used in size analysis. Requirements for quality control compliance with the ISO 9000 series of quality standards have emphasized

NIST Physical Standards for DNA-Based Medical Testing

January 1, 2002
Author(s)
Peter E. Barker, M S. Watson, J R. Ticehurst, Jennifer C. Colbert, C D. O'Connell
As DNA and RNA become major targets for clinical laboratory analysis, benchmark reagents will play an increasingly important role in standardization. Reliable national and international nucleic acid standards promote automation, third party reimbursement

Flow Measurement Proficiency Testing

April 1, 2001
Author(s)
G E. Mattingly
To eliminate measurement-base trade barriers to international commerce, Key Comparisons (KCS) are now being planned in the newly formed Working Group for Fluid Flow (WGFF) in the CIPM to quantify the equivalency of the flow standards maintained in the
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