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Search Publications by: Lane C. Sander (Fed)

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Displaying 1 - 25 of 447

Development of an Improved Standard Reference Material for Folate Vitamers in Human Serum

December 12, 2022
Author(s)
Johanna Camara, Jeanita Pritchett, Yasmine Daniels, Mary Bedner, Michael Nelson, Mark Lowenthal, Zia Fazili, Christine Pfeiffer, Karen W. Phinney, Katherine E. Sharpless, Lane C. Sander, Katrice Lippa, James H. Yen, Adam Kuszak, Stephen Wise
The US National Institute of Standards and Technology (NIST) developed a Standard Reference Material® (SRM®) 3949 Folate Vitamers in Frozen Human Serum to replace SRM 1955 Homocysteine and Folate in Human Serum. The presence of increased endogenous levels

Separations by Shape: Molecular Shape Recognition in Liquid Chromatography

February 28, 2022
Author(s)
Lane C. Sander
Molecular shape can provide a basis for chromatographic separations that is distinct from other interaction mechanisms often considered in liquid chromatography. Molecular shape recognition, or shape selectivity, is most evident for the separation of

Hydrodynamic Flow in Capillary-Channel Fiber Columns for Liquid Chromatography

October 12, 2021
Author(s)
R Stanelle, Lane C. Sander, R K. Marcus
The evaluation of the basic flow characteristics of capillary-channeled polymer (C-CP) fibers proposed for use as the stationary phases for reversed-phase liquid chromatographic separations has been investigated. Stainless steel HPLC columns packed with

Metrological Tools for the Reference Materials and Reference Instruments of the NIST Material Measurement Laboratory

September 16, 2021
Author(s)
Carlos R. Beauchamp, Johanna Camara, Jennifer Carney, Steven J. Choquette, Kenneth D. Cole, Paul C. DeRose, David L. Duewer, Michael Epstein, Margaret Kline, Katrice Lippa, Enrico Lucon, John L. Molloy, Michael Nelson, Karen W. Phinney, Maria Polakoski, Antonio Possolo, Lane C. Sander, John E. Schiel, Katherine E. Sharpless, Michael R. Winchester, Donald Windover
The National Institute of Standards and Technology (NIST), formerly the National Bureau of Standards, was established by the U.S. Congress in 1901 and charged with establishing a measurement foundation to facilitate U.S. and international commerce. NIST

Polycyclic Aromatic Hydrocarbon Structure Index

August 12, 2020
Author(s)
Lane C. Sander, Stephen A. Wise
NIST Special Publication (SP) 922 is an aid in the identification of the chemical structures of polycyclic aromatic hydrocarbons (PAHs). The Structure Index consists of two parts: (1) a cross index of named PAHs listed in alphabetical order and (2)

Determination of molecular mass 302 polycyclic aromatic hydrocarbons in Standard Reference Material 1597a by reversed-phase liquid chromatography and constant energy synchronous fluorescence spectroscopy

July 3, 2020
Author(s)
Hugh V. Hayes, Walter B. Wilson, Anthony M. Santana, Andres D. Campiglia, Lane C. Sander, Stephen A. Wise
High-performance liquid chromatography with fluorescence detection is often used for the analysis of polycyclic aromatic hydrocarbons (PAH) in environmental extracts. Since fluorescence chromatograms are usually recorded at a single set of excitation and

Characterization of triacontyl (C-30) liquid chromatographic columns

March 15, 2020
Author(s)
Lane C. Sander, Catherine A. Rimmer, Walter B. Wilson
Differences in the performance characteristics of seventeen commercial C30 liquid chromatographic columns were studied for the separation of carotenoid isomers. A mixture consisting of nine xanthophyll and hydrocarbon carotenoids were separated under

Calibration

October 2, 2019
Author(s)
Lane C. Sander
In the context of chemical metrology, calibration is the process of relating a known quantity of an analyte to the corresponding measured instrumental response through a mathematical relationship. Calibration permits the assignment of analyte levels in