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1. Characterization of NIST Food-Matrix Standard Reference Materials for their Vitamin C Content
Published: 3/26/2013
Authors: Jeanice M Brown Thomas, James H Yen, Katherine E Sharpless
Abstract: The vitamin C concentrations in three food-matrix Standard Reference Materials (SRMs) from the National Institute of Standards and Technology (NIST) have been determined by liquid chromatography (LC) with absorbance detection. These materials (SRM 1 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912302

2. Development of Ballistics Identification – From Image Comparison to Topography Measurement in Surface Metrology-
Published: 3/22/2012
Authors: Jun-Feng Song, Theodore Vincent Vorburger, Robert Meryln Thompson, Thomas B Renegar, Xiaoyu A Zheng, James H Yen, Richard M Silver, Wei Chu
Abstract: Fired bullets and ejected cartridge cases have unique ballistics signatures left by the firearm. By analyzing the ballistics signatures, forensic examiners can trace these bullets and cartridge cases to the firearm used in a crime scene. Current au ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908043

3. The National Ballistics Imaging Comparison (NBIC) Project
Published: 3/10/2012
Authors: Jun-Feng Song, Theodore Vincent Vorburger, Susan M Ballou, Robert Meryln Thompson, James H Yen, Thomas B Renegar, Xiaoyu A Zheng, Richard M Silver, Martin Ols
Abstract: In response to the guidelines issued by the ASCLD/LAB-International (American Society of Crime Laboratory Directors/Laboratory Accreditation Board) to establish traceability and quality assurance in U.S. crime laboratories, a NIST/ATF joint project e ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907871

4. Preparation and Value Assignment of Standard Reference Material 968e Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum
Published: 1/2/2012
Authors: Jeanice M Brown Thomas, David Lee Duewer, Lane C Sander, Katherine E Sharpless, Lorna Tregoning Sniegoski, Michael James Welch, James H Yen, Mugenya O Isaac
Abstract: Standard Reference Material 968e Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum provides certified values for total retinol, γ- and α-tocopherol; total lutein, total zeaxanthin, total β-cryptoxanthin, total β-ca ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907947

5. Development and Certification of Green Tea-Containing Standard Reference Materials
Published: 11/30/2011
Authors: Lane C Sander, Mary Bedner, Michael C. Tims, James H Yen, David Lee Duewer, Barbara J. Porter, Steven J Christopher, Russell D Day, Stephen E Long, John L Molloy, Karen E Murphy, Brian E Lang, Rachel A. Lieberman, Laura J Wood, M. Payne, M. C. Roman, J. M. Betz, A. NguyenPho, Katherine E Sharpless, Stephen A Wise
Abstract: A suite of three green tea-containing Standard Reference Materials (SRMs) has been issued by the National Institute of Standards and Technology (NIST). The materials are characterized for catechins, xanthine alkaloids, theanine, and toxic elements. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906814

6. Determination of Fat-Soluble Vitamins and Carotenoids in Standard Reference Material 3280 Multivitamin/Multielement Tablets by Liquid Chromatography with Absorbance Detection
Published: 8/17/2011
Authors: Jeanice M Brown Thomas, Katherine E Sharpless, Catherine A Rimmer, James H Yen
Abstract: The concentrations of selected fat-soluble vitamins and carotenoids in Standard Reference Material (SRM) 3280 Multivitamin/Multielement Tablets have been determined by two independent liquid chromatographic methods with measurements performed by the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904001

7. Characterization of Three Berry Standard Reference Materials for Nutrients
Published: 6/30/2011
Authors: Laura J Wood, Katherine E Sharpless, Monique Pichon, Barbara J. Porter, James H Yen
Abstract: The National Institute of Standards and Technology (NIST) has been working with the National Institutes of Health Office of Dietary Supplements to produce Standard Reference Materials (SRMs) of interest to analysts of dietary supplements. Some of th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=906956

8. Preparation and Characterization of Standard Reference Material 1849 Infant/Adult Nutritional Formula
Published: 7/1/2010
Authors: Katherine E Sharpless, Richard Mark Lindstrom, Bryant C Nelson, Karen W Phinney, Catherine A Rimmer, Lane C Sander, Michele M Schantz, Rabia Oflaz Oflaz, Jeanice M Brown Thomas, Gregory C Turk, Stephen A Wise, Laura J Wood, James H Yen
Abstract: Standard Reference Material (SRM) 1849 Infant/Adult Nutritional Formula has been issued by the National Institute of Standards and Technology (NIST) as a replacement for SRM 1846 Infant Formula, which was issued in 1996. Extraction characteristics o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903876

9. Topography measurements for correlations of standard cartridge cases
Published: 7/1/2010
Authors: Theodore Vincent Vorburger, Jun-Feng Song, Wei Chu, Thomas B Renegar, Xiaoyu A Zheng, James H Yen, Robert Meryln Thompson, Richard M Silver, Benjamin Bachrach, Martin Ols
Abstract: NIST Standard Reference Materials (SRM) 2460 Standard Bullets and 2461 Standard Cartridge Cases are intended for use as check standards for crime laboratories to help verify that their computerized optical imaging equipment for ballistics image acqui ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905846

10. Determination of Organic Acids in Vaccinium Berry Standard Reference Materials
Published: 6/27/2010
Authors: Melissa Meaney Phillips, Lane C Sander, Katherine E Sharpless, Stephen A Wise, Catherine A Rimmer, Ryan Case, James H Yen
Abstract: Nine organic acids (citric acid, galacturonic acid, glycolic acid, isocitric acid, malic acid, oxalic acid, quinic acid, shikimic acid, and tartaric acid) and two anions (phosphate and sulfate) were determined in a suite of Vaccinium berry containing ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903653