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Displaying 1126 - 1150 of 1612

Demonstration of Rapid Multiplex PCR Amplification Involving 16 Genetic Loci

December 1, 2008
Author(s)
Peter Vallone, Carolyn R. Steffen, John M. Butler
Current forensic DNA typing is conducted in approximately eight to ten hours with steps including DNA extraction, quantitation, polymerase chain reaction (PCR) amplification of multiple short tandem repeat (STR) loci, capillary electrophoresis separation

Addressing Y-Chromosome Short Tandem Repeat(Y-STR) Allele Nomenclature

November 25, 2008
Author(s)
John M. Butler, Margaret C. Kline, Amy E. Decker
Currently 120 different Y-chromosome short tandem repeat (Y-STR) markers are used by various genetic genealogy testing laboratories. In some cases, different laboratories may designate the same Y-STR allele with two different nomenclatures making data

Metrology and Standards Needs of Some Categories of Medical Devices

April 30, 2008
Author(s)
J C. Chiao, Julian M. Goldman, David A. Heck, Peter Kazanzides, William J. Peine, James B. Stiehl, Dwight Yen, Nicholas Dagalakis
With rapid advances in meso, micro and nano scale technology devices and electronics a new generation of advance medical devices is emerging, which promises less invasive and more accurate, automated and effective medical treatments. We examined the

Commutability of NIST SRM 1955 Homocysteine and Folate in Frozen Human Serum With Selected Total Homocysteine Immunometric or Enzymatic Assays

March 1, 2008
Author(s)
B C. Nelson, Christine M. Pfeiffer, Ming Zhang, David L. Duewer, Katherine E. Sharpless, Katrice Lippa
Background: The National Institute of Standards and Technology (NIST) and the Centers for Disease Control and Prevention (CDC) have recently developed Standard Reference Material (SRM) 1955 Homocysteine and Folate in Frozen Human Serum with certified

Characterization of 26 miniSTR loci for improved analysis of degraded DNA samples

January 25, 2008
Author(s)
Carolyn R. Steffen, Margaret C. Kline, Michael Coble, John M. Butler
An additional 20 novel mini-short tandem repeat (miniSTR) loci have been developed and characterized to aid in the analysis of degraded DNA samples. These new markers produce short PCR products in the target range of 50 150 base pairs (bp) by moving the

Toward Quantitative Fluorescence Measurements with Multicolor Flow Cytometry

December 28, 2007
Author(s)
Lili Wang, Adolfas Gaigalas, Gerald Marti, Fatima Abbasi, Robert A. Hoffman
A procedure is presented for calibrating the output of a multicolor flow cytometer in units of antibodies bound per cell (ABC). The procedure involves two steps. First, each of the fluorescence channels of the flow cytometer is calibrated using Ultra

Epitope Selection of Monoclonal Antibodies for Interleukin-4 Quantification Using Suspension Arrays and Forward-Phase Protein Microarrays

December 6, 2007
Author(s)
Lili Wang, Kenneth D. Cole, Hua-Jun He, Alexander W. Peterson, Adolfas K. Gaigalas, Y Zong
A recombinant mouse interleukin-4 (IL-4) and three different purified rat anti-mouse IL-4 monoclonal antibodies (Mab) with different epitopes were employed as a model system. This system was used to examine monoclonal antibody effectiveness using both
Displaying 1126 - 1150 of 1612
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