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Search Publications by: Hugh V. Hayes (Fed)

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Displaying 1 - 23 of 23

Dietary Supplement Laboratory Quality Assurance Program: Exercise 2 Final Report

January 24, 2025
Author(s)
Hugh Hayes, Jenna Klingsick, Colleen Bryan Sallee, Sanem Hosbas Coskun
The National Institute of Standards and Technology (NIST) Dietary Supplement Laboratory Quality Assurance Program (DSQAP) was launched in 2007 in part as a collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements (ODS). The

Dietary Supplement Laboratory Quality Assurance Program: Exercise 1 Final Report

November 1, 2023
Author(s)
Carolyn Burdette, Hugh Hayes, Jenna Klingsick, Colleen E. Bryan Sallee, Charles Barber, Steven J. Christopher, Lee L. Yu
The DSQAP was launched, in collaboration with the NIH ODS, in 2007. The program was established to enable laboratories to improve the accuracy of measurements in samples for nutrients, marker compounds, toxic elements, and/or contaminants in dietary

Health Assessment Measurements Quality Assurance Program: Exercise 7 Final Report

December 5, 2022
Author(s)
Chuck Barber, Carolyn Burdette, Hugh Hayes, Monique Johnson, Shaun Kotoski, Jacolin Murray, Melissa M. Phillips, Kate Rimmer, Andrea Yarberry, Laura J. Wood
The Health Assessment Measurements Quality Assurance Program (HAMQAP) was launched in collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements (ODS) in 2017. HAMQAP was established to enable laboratories to improve the

Method development for the determination of seven ginsenosides in three Panax Ginseng Standard Reference Materials via liquid chromatography with tandem mass spectrometry

October 18, 2022
Author(s)
Hugh Hayes, Walter Brent Wilson, Kate Rimmer
A new liquid chromatography-tandem mass spectrometry (LC–MS/MS) method was developed for the analysis of ginsenosides in three Panax ginseng reference materials (RMs). Extraction procedures were optimized to recover neutral and malonyl-ginsenosides using a

Certification of Standard Reference Material 3289 Multivitamin Tablets

March 18, 2022
Author(s)
Hugh Hayes, Jerome Mulloor, Michael Nelson, Kate Rimmer, Lee L. Yu, James H. Yen
Standard Reference Material® (SRM®) 3289 Multivitamin Tablets was developed as part of a collaborative effort between the National Institute for Standards and Technology (NIST) and the National Institutes of Health Office of Dietary Supplements (NIH ODS)

Health Assessment Measurements Quality Assurance Program: Exercise 6 Final Report

September 20, 2021
Author(s)
Chuck Barber, Carolyn Burdette, Hugh Hayes, Monique Johnson, Shaun Kotoski, Jacolin Murray, Melissa M. Phillips, Kate Rimmer, Laura J. Wood, Andrea Yarberry
The Health Assessment Measurements Quality Assurance Program (HAMQAP) was launched in collaboration with the National Institutes of Health (NIH) Office of Dietary Supplements (ODS) in 2017. HAMQAP was established to enable laboratories to improve the

Health Assessment Measurements Quality Assurance Program: Exercise 5 Final Report

January 14, 2021
Author(s)
Chuck Barber, Carolyn Burdette, Hugh Hayes, Caleb Luvonga, Melissa M. Phillips, Kate Rimmer, Laura J. Wood, Lee L. Yu
HAMQAP was launched in collaboration with the NIH Office of Dietary Supplements (ODS) in 2017. HAMQAP was established to enable laboratories to improve the accuracy of measurements in samples that represent human intake (e.g., foods, dietary supplements

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

Health Assessment Measurements Quality Assurance Program: Exercise 4 Final Report

May 29, 2020
Author(s)
Charles A. Barber, Carolyn Q. Burdette, Hugh V. Hayes, Melissa M. Phillips, Catherine A. Rimmer, Laura J. Wood, Lee L. Yu, Shaun P. Kotoski
HAMQAP was launched in collaboration with the NIH ODS in 2017. HAMQAP was established to enable laboratories to improve the accuracy of measurements in samples that represent human intake (e.g., foods, dietary supplements, tobacco) and samples that

Determination of polycyclic aromatic hydrocarbons with molecular mass 302 in standard reference material 1597a by reversed-phase liquid chromatography and stop-flow fluorescence detection

June 21, 2018
Author(s)
Hugh Hayes, Walter Wilson, Lane Sander, Stephen Wise, Andres Campiglia
The identification of isomeric polycyclic aromatic hydrocarbons (PAHs) in complex samples via reversed-phase liquid chromatography (RPLC) with fluorescence detection (FL) is normally based on matching the chromatographic retention times of suspected peaks

Qualitative characterization of three combustion-related standard reference materials for polycyclic aromatic sulfur heterocycles and their alkyl-substituted derivatives via gas chromatography/mass spectrometry

May 7, 2018
Author(s)
Walter Wilson, Hugh Hayes, Andres Campiglia, Stephen Wise
This study represents the most comprehensive qualitative characterization of three combustion- related standard reference materials (SRMs) for polycyclic aromatic sulfur heterocycles (PASHs) and some alkyl-substituted (alkyl-) derivatives to date: SRM

Normal-phase liquid chromatography retention behavior of polycyclic aromatic sulfur heterocycles (PASHs) and alkyl-substituted PASH isomers on an aminopropyl stationary phase

December 14, 2017
Author(s)
Walter Wilson, Hugh Hayes, Lane Sander, Andres Campiglia, Stephen Wise
Retention indices for 67 polycyclic aromatic sulfur heterocycles (PASHs) and 80 alkyl- substituted PASHs were determined using normal-phase liquid chromatography (NPLC) on a aminopropyl (NH2) stationary phase. The retention behavior of PASH on the NH2

Qualitative characterization of SRM 1597a Coal Tar for polycyclic aromatic hydrocarbons and methyl-substituted derivatives via normal-phase liquid chromatography and gas chromatography/mass spectrometry

June 29, 2017
Author(s)
Walter Wilson, Hugh Hayes, Lane Sander, Andres Campiglia, Stephen Wise
A normal-phase liquid chromatography (NPLC) fractionation procedure was developed for the characterization of a complex mixture of polycyclic aromatic hydrocarbons (PAHs) from a coal tar sample (Standard Reference Material (SRM) 1597a). Using a semi

Normal-phase liquid chromatography retention behavior of polycyclic aromatic hydrocarbon and their methyl-substituted derivatives on an aminopropyl stationary phase

June 16, 2017
Author(s)
Walter Wilson, Hugh Hayes, Lane Sander, Andres D. Campiglia, Stephen Wise
Retention indices for 124 polycyclic aromatic hydrocarbons (PAHs) and 62 methyl-substituted (Me-) PAHs were determined using normal-phase liquid chromatography (NPLC) on a aminopropyl (NH2) stationary phase. PAH retention behavior on the NH2 phase is