Research Topics
| D L DuewerSummaryAffiliation: National Institute of Standards and Technology Country: USA Publications
| Collaborators
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Detail Information
Publications
Exploring the use of internal and externalcontrols for assessing microarray technical performanceKatrice A Lippa
Chemical Science and Technology Laboratory, National Institute of Standards and Technology NIST Gaithersburg, Maryland 20899 USA
BMC Res Notes 3:349. 2010..abstract:..
Multiplex_QA: an exploratory quality assessment tool for multiplexed electrophoretic assaysDavid L Duewer
Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD, USA
Electrophoresis 27:3735-46. 2006....
Demonstrating the comparability of certified reference materialsDavid L Duewer
Analytical Chemistry Division, National Institute of Standards and Technology NIST, 100 Bureau Drive, Stop 8390, Gaithersburg, MD 20899 8390, USA
Anal Bioanal Chem 395:155-69. 2009....- Learning from microarray interlaboratory studies: measures of precision for gene expressionDavid L Duewer
Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD 20899 8390, USA
BMC Genomics 10:153. 2009..While shaped by less highly multiplexed systems, measurement science (metrology) is devoted to establishing a coherent and internationally recognized vocabulary and quantitative practice for the characterization of measurement processes... - NIST mixed stain study 3: signal intensity balance in commercial short tandem repeat multiplexesDavid L Duewer
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899 8394, USA
Anal Chem 76:6928-34. 2004.... - NIST micronutrients measurement quality assurance program: characterizing the measurement community's performance over timeD L Duewer
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899 8394, USA
Anal Chem 72:4163-70. 2000..The reported measurement performance characteristics may be of interest to clinical, nutritional, and epidemiological studies involving any of these measurands. The data analysis techniques utilized may be applicable to other programs... - NIST micronutrients measurement quality assurance program: characterizing individual participant measurement performance over timeD L Duewer
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
Anal Chem 72:3611-9. 2000..We document and discuss recurrent patterns we observe in the measurement performance characteristics for M2QAP participants. The graphical analysis techniques utilized may be applicable to other interlaboratory comparison programs... - Micronutrients Measurement Quality Assurance Program: helping participants use interlaboratory comparison exercise results to improve their long-term measurement performanceD L Duewer
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
Anal Chem 71:1870-8. 1999..This report documents the semantic and graphical tools developed to help interlaboratory-comparison-exercise participants interpret their own measurement performance... - The stability of retinol, alpha-tocopherol, trans-lycopene, and trans-beta-carotene in liquid-frozen and lyophilized serumJ Brown Thomas
Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
Clin Chim Acta 276:75-87. 1998..Retinol, alpha-tocopherol, trans-lycopene, and trans-beta-carotene in reconstituted lyophilized serum stored at -20 degrees C were stable for at least 3 days with minimal (< 5) freeze/thaw cycles... - Certification of vitamins and carotenoids in SRM 3280 multivitamin/multielement tabletsL C Sander
Analytical Chemistry Division, National Institute of Standards and Technology NIST, 100 Bureau Drive, MS 8311, Gaithersburg, Maryland 20899 8392, United States
Anal Chem 83:99-108. 2011..Excellent agreement was obtained among the methods, with relative expanded uncertainties for the certified concentration values typically ranging from <2% to 15% for vitamins... - Preparation and value assignment of Standard Reference Material 968c Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human SerumJ Brown Thomas
National Institute of Standards and Technology, Gaithersburg, MD 20899 8392, USA
Clin Chim Acta 305:141-55. 2001..The assigned values for cholesterol in the SRM are the means of results obtained using the NIST definitive method, gas chromatography-isotope dilution mass spectrometry... - Measurement of ascorbic acid in human plasma and serum: stability, intralaboratory repeatability, and interlaboratory reproducibilityS A Margolis
Analytical Chemistry Division, Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
Clin Chem 42:1257-62. 1996..Within groups of laboratories that use roughly similar analytical methods, the interlaboratory measurement reproducibility CV for TAA is 15%... - Production and certification of NIST Standard Reference Material 2372 Human DNA Quantitation StandardMargaret C Kline
Biochemical Science Division, National Institute of Standards and Technology, 100 Bureau Drive, MS 8311, Gaithersburg, MD 20899 8311, USA
Anal Bioanal Chem 394:1183-92. 2009.... - Standard reference materials for analysis of dietary supplementsKatherine E Sharpless
National Institute of Standards and Technology, Analytical Chemistry Division, 100 Bureau Dr, Stop 8390, Gaithersburg, MD 20899 8390, USA
J AOAC Int 91:1298-302. 2008..These and other natural-matrix SRMs should be used in method validation, characterization of in-house quality control materials, and to establish traceability... - Commutability of NIST SRM 1955 Homocysteine and Folate in Frozen Human Serum with selected total homocysteine immunoassays and enzymatic assaysBryant C Nelson
National Institute of Standards and Technology, Biochemical Science Division, Gaithersburg, MD 20899 0001, USA
Clin Chim Acta 395:99-105. 2008..NIST has performed an international, interlaboratory assessment of SRM 1955 commutability; results are reported for tHcy only... - Preparation and characterization of standard reference material 3276, carrot extract in oilKatherine E Sharpless
Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD 20899 8392, USA
Anal Bioanal Chem 389:207-17. 2007..This material is intended for use as a primary control material when assigning values to in-house (secondary) control materials and for validation of analytical methods for measurement of these analytes in similar matrices... - Hydrocarbon gas standards at the pmol/mol level to support ambient atmospheric measurementsGeorge C Rhoderick
Analytical Chemistry Division, National Institute of Standards and Technology, 100 Bureau Drive, MS 8393, Gaithersburg, Maryland 20899 8393, USA
Anal Chem 82:859-67. 2010..However, anomalous results for several of the compounds reflect the difficulties inherent in avoiding contamination and making accurate measurements at these very low levels... - Locus-specific brackets for reliable typing of Y-chromosome short tandem repeat markersJohn M Butler
Biotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
Electrophoresis 26:2583-90. 2005..Complete agreement was observed with 162 samples studied at 5 Y-chromosome loci... - Results from the NIST 2004 DNA Quantitation StudyMargaret C Kline
Biotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
J Forensic Sci 50:570-8. 2005..Information from this interlaboratory study is guiding development of a future NIST Standard Reference Material for Human DNA Quantitation, SRM 2372... - Standard reference material 2036 near-infrared reflection wavelength standardSteven J Choquette
Analytical Chemistry Division, Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899 8394, USA
Appl Spectrosc 59:496-504. 2005..Informational values are provided for the locations of thirteen additional bands from 334 nm to 804 nm... - Mitochondrial DNA typing screens with control region and coding region SNPsMargaret C Kline
Biotechnology Division, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
J Forensic Sci 50:377-85. 2005..These types of screening assays should enable more rapid evaluation of forensic casework samples such that only samples not excluded would be subjected to further characterization through full HVI/HVII mtDNA sequence analysis... - NIST Mixed Stain Study 3: DNA quantitation accuracy and its influence on short tandem repeat multiplex signal intensityMargaret C Kline
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
Anal Chem 75:2463-9. 2003..However, there are large differences in the efficiencies of amplification, separation, and detection among participants using the same nominal measurement systems... - Associating gunpowder and residues from commercial ammunition using compositional analysisWilliam A MacCrehan
Analytical Chemistry Division, National Institute of Standards and Technology, Gaithersburg, MD 20899 8394, USA
J Forensic Sci 47:260-6. 2002.... - Polymerase chain reaction amplification of DNA from aged blood stains: quantitative evaluation of the "suitability for purpose" of four filter papers as archival mediaMargaret C Kline
Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, USA
Anal Chem 74:1863-9. 2002..All of the evaluated media adequately "bank" forensically useful DNA in well-dried whole blood stains for at least 19 months at ambient temperature... - Development and certification of green tea-containing standard reference materialsL C Sander
Analytical Chemistry Division, National Institute of Standards and Technology NIST, Gaithersburg, MD 20899 8392, USA
Anal Bioanal Chem 402:473-87. 2012..The materials are intended for use in the development and validation of new analytical methods, and for use as control materials as a component in the support of claims of metrological traceability... - NIST mixed stain studies #1 and #2: interlaboratory comparison of DNA quantification practice and short tandem repeat multiplex performance with multiple-source samplesD L Duewer
Analytical Chemistry Division, Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA
J Forensic Sci 46:1199-210. 2001.... - Certification of standard reference material 970, ascorbic acid in serum, and analysis of associated interlaboratory bias in the measurement processSam A Margolis
Analytical Chemistry Division, Chemical Science and Technology Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899 8392, USA
Clin Chem 49:463-9. 2003..A stabilized pair of standards of ascorbic acid in human serum, which is compatible with most analytical methods, have been prepared...