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Displaying 76 - 99 of 99

NIST Micronutrients Measurement Quality Assurance Program: Characterizing the Measurement Community's Performance over Time

September 1, 2000

Author(s)

David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas

NIST Micronutrients Measurement Quality Assurance Program: Characterizing Individual Participant Measurement Performance over Time

August 1, 2000

Author(s)

David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, M. Stacewicz-Sapuntzakis, A. L. Sowell

Micronutrients Measurement Quality Assurance Program: Helping Participants Use Interlaboratory Comparison Exercise Results to Improve Their Long-Term Measurement Performance

December 1, 1999

Author(s)

David L. Duewer, Margaret C. Kline, Katherine E. Sharpless, Jeanice M. Brown Thomas, K T. Gary, A. L. Sowell

Value Assignment of Retinol, Retinyl Palmitate, Tocopherol, and Carotenoid Concentrations in Standard Reference Material 2383 Baby Food Composite

December 1, 1999

Author(s)

Katherine E. Sharpless, M Arce-osuna, Jeanice M. Brown Thomas, L. M. Gill

Separation of Green Tea Catechins by Micellar Electrokinetic Capillary Chromatography

December 1, 1998

Author(s)

Bryant C. Nelson, Jeanice M. Brown Thomas, Stephen Wise, J. J. Dalluge

The Stability of Retinol, a-Tocopherol, trans-Lycopene, and trans-b-Carotene in Liquid-Frozen and Lyophilized Serum

August 10, 1998

Author(s)

Jeanice M. Brown Thomas, David L. Duewer, Margaret C. Kline, Katherine E. Sharpless

Selection of Column and Gradient Elution System for the Separation of Catechins in Green Tea Using High-Performance Liquid Chromatography

January 16, 1998

Author(s)

J. J. Dalluge, Bryant C. Nelson, Jeanice M. Brown Thomas, Lane C. Sander

Certification of Nutrients in Standard Reference Material 1846: Infant Formula

December 1, 1997

Author(s)

Katherine E. Sharpless, S. B. Schiller, S A. Margolis, Jeanice M. Brown Thomas, G. V. Iyengar, T.E. Gills, Stephen A. Wise, J T. Tanner, W R. Wolf

NIST/NCI Micronutrients Measurement Quality Assurance Program: Measurement Reproducibility, Repeatability, Stability, and Relative Accuracy for Fat-Soluble Vitamin-Related Compounds in Human Sera

December 1, 1997

Author(s)

David L. Duewer, Jeanice M. Brown Thomas, Margaret C. Kline, William A. MacCrehan, R Schaffer, Katherine E. Sharpless, W E. may, J A. Crowell

Vitamin A

December 1, 1997

Author(s)

Katherine E. Sharpless, Jeanice M. Brown Thomas, C P. Turley, M A. Brewster

Vitamin E

December 1, 1997

Author(s)

Katherine E. Sharpless, Jeanice M. Brown Thomas, C P. Turley, M A. Brewster

Capillary Liquid Chromatography-Electrospray Mass Spectrometry for the Separation and Detection of Catechins in Green Tea and Human Plasma

September 10, 1997

Author(s)

J. J. Dalluge, Bryant C. Nelson, Jeanice M. Brown Thomas, Michael J. Welch, Lane C. Sander

NIST/NCI Micronutrients Measurement Quality Assurance Program: Measurement Repeatabilities and Reproducibilities for Fat-Soluble Vitamin-Related Compounds in Human Sera

April 1, 1997

Author(s)

David L. Duewer, Jeanice M. Brown Thomas, Margaret C. Kline, William A. MacCrehan, R Schaffer, Katherine E. Sharpless, Willie E. May, J A. Crowell

Liquid Chromatographic Determination of Carotenoids in Human Serum Using an Engineered C30 Stationary Phase

April 12, 1996

Author(s)

Katherine E. Sharpless, Jeanice M. Brown Thomas, Lane C. Sander, Stephen A. Wise

Determination of Glycyrrhetinic Acid in Human Plasma by High Performance Liquid Chromatography

January 17, 1991

Author(s)

Jeanice M. Brown Thomas, Richard G. Christensen, R. Rieger, W. Malone, Willie E. May

The Determination of Fat-Soluble Vitamins in Oil Matrices by Multidimensional High Performance Liquid Chromatography

September 15, 1988

Author(s)

Jeanice M. Brown Thomas, A A. Moustafa, Stephen A. Wise, Willie E. May

Interlaboratory Comparisons of Quantitative Analyses of Individual Compounds in Simple and Complex Mixtures

December 1, 1983

Author(s)

Willie E. May, Jeanice M. Brown Thomas, S. N. Chesler, Franklin R. Guenther, L.R. Hilpert, Reenie M. Parris, Kristy L. Richie, W.J. Sonnefeld, Stephen A. Wise, Harry S. Hertz

The Solution Thermodynamics of Some Slightly Soluble Hydrocarbons in Water

December 1, 1983

Author(s)

Willie E. May, M.M. Miller, Yadu D. Tewari, Jeanice M. Brown Thomas, Robert N. Goldberg

Certification of Selected Polynuclear Aromatic Hydrocarbons in SRM l580, "Organics in Shale Oil"

December 1, 1981

Author(s)

Willie E. May, Jeanice M. Brown Thomas, L.R. Hilpert, Stephen A. Wise

Determination of Benzo(a)pyrene in Recycled Oils by a Sequential HPLC Method

December 1, 1980

Author(s)

Jeanice M. Brown Thomas, Stephen A. Wise, Willie E. May

Determination of Individual Organic Compounds in Shale Oil

December 1, 1980

Author(s)

Harry S. Hertz, Jeanice M. Brown Thomas, S. N. Chesler, Franklin R. Guenther, L.R. Hilpert, Willie E. May, Reenie M. Parris, Stephen A. Wise

Development of an Aqueous Polynuclear Aromatic Hydrocarbon Standard Reference Material

December 1, 1979

Author(s)

Willie E. May, Jeanice M. Brown Thomas, S. N. Chesler, Franklin R. Guenther, L.R. Hilpert, Harry S. Hertz, Stephen A. Wise

Development of an Aqueous Polynuclear Aromatic Hydrocarbon Standard Reference Material

December 1, 1979

Author(s)

Willie E. May, Jeanice M. Brown Thomas, S. N. Chesler, Franklin R. Guenther, L.R. Hilpert, Harry S. Hertz, Stephen A. Wise

Interlaboratory Comparison of Environmental Analyses Associated with Increased Energy Production

December 1, 1979

Author(s)

Harry S. Hertz, L.R. Hilpert, Willie E. May, Stephen A. Wise, Jeanice M. Brown Thomas, S. N. Chesler, Franklin R. Guenther