Byrdwell, W.C. 2011. 'Dilute-and-shoot' triple parallel mass spectrometry method for analysis of vitamin D and triacylglycerols in dietary supplements. Analytical and Bioanalytical Chemistry. 401:3317-3334.
Phillips, K.M., Ruggio, D.M., Horst, R.L., Minor, B., Simon, R., Feeney, M., Byrdwell, W.C., Haytowitz, D.B. 2011. Vitamin D and sterol composition of ten types of mushrooms from retail suppliers in the United States. Journal of Agricultural and Food Chemistry. 59(14):7841-7853.
Byrdwell, W.C., Exler, J., Gebhardt, S.E., Harnly, J.M., Holden, J.M., Horst, R., Patterson, K.K., Phillips, K., Wolf, W.R. 2010. Ultraviolet and mass spectrometric analysis of vitamin D in retail fortified orange juice. Journal of Food Composition and Analysis. 24:299-306.
Patterson, K.K., Exler, J., Byrdwell, W.C., Phillips, K.M., Horst, R., Lemar, L.E., Holden, J.M. 2010. Vitamin D content and variability in fluid milk from a USDA nationwide sampling to update values in the National Nutrient Database for Standard Reference. Journal of Dairy Science. 93(11):5082-5090.
Byrdwell, W.C. Dual Parallel Mass Spectrometry (LC1/MS2 and LC2/MS2) for Lipid and Vitamin D Analysis. Meeting Abstract. American Oil Chemists’ Society, Orlando, Florida, May 3-6, 2009.
Exler, J., Byrdwell, W.C., Holden, J.M., Lemar, L.E., Patterson, K.K., Pehrsson, P.R., Phillps, R. 2009. Total fat, n-3 fatty acids and vitamin D3 in selected fish species sampled under USDA’s National Food and Nutrient Analysis Program (NFNAP). Federation of American Societies for Experimental Biology Conference, April 18-22, 2009, New Orleans, Louisiana.
Byrdwell, W.C. 2008. Dual parallel mass apectrometry (LC1/MS2 and LC2/MS2) for lipid and vitamin D analysis. Proceedings of the United States-Japan Cooperative Program in Natural Resources. 37:179-180.
Patterson, K.K., Exler, J., Lemar, L.E., Holden, J.M., Phillips, K., Harnly, J.M., Byrdwell, W.C., Wolf, W.R. 2008. Optimization of Methodology for Vitamin D3 in Fortified Foods. National Institutes of Health (NIH) Office of Dietary Supplements (ODS) Analytical Methods and Reference Materials Program, Vitamin Methodology Workshop, July 7-8, 2008, Gaithersburg, MD.
Phillips, K., Byrdwell, W.C., Exler, J., Harnly, J.M., Holden, J.M., Holick, M., Hollis, B., Horst, R., Lemar, L.E., Patterson, K.K., Tarrango-Trani, M., Wolf, W.R. 2008. Evaluation and harmonization of measurements of vitamin D in selected food materials. Journal of Food Composition and Analysis. 21:527-534.
Byrdwell, W.C., Devries, J., Exler, J., Harnly, J.M., Holden, J.M., Holick, M., Hollis, B., Horst, R., Lada, M., Lemar, L.E., Patterson, K.K., Phillips, K., Tarrago-Trani, M., Wolf, W.R. 2008. Analyzing vitamin D in foods and supplements: Methodological challenges. American Journal of Clinical Nutrition. 88:554S-557S.
Patterson, K.K., Phillips, K., Horst, R., Byrdwell, W.C., Exler, J., Harnly, J.M., Lemar, L.E., Pehrsson, P.R., Wolf, W.R. 2008. Variability in the vitamin D content of 2% milk from a nationwide United States Department of Agriculture (USDA) sampling. 32nd National Nutrient Databank Conference, May 12-14, 2008, Ottawa, Ontario, Canada.
Byrdwell, W.C. 2008. The Highlights, Perils, and Pitfalls of Vitamin D Analysis by Mass Spectrometry. 99th Annual Meeting of the American Oil Chemists' Society (AOCS), May 18-21, 2008, Seattle, WA.
Holden, J.M., Byrdwell, W.C., Exler, J., Harnly, J.M., Holick, M., Hollis, B., Horst, R., Patterson, K.K., Phillips, K., Wolf, W.R. 2008. Control materials for validating measurement of vitamin D in key foods for the USDA National Food and Nutrient Analysis Program (NFNAP). Experimental Biology, April 5-9, 2008, San Diego, CA.
Byrdwell, W.C. 2008. Dual parallel liquid chromatography with dual mass spectrometry (LC2/MS2) for a total lipid analysis. Frontiers in Bioscience. 13:100-120.
Byrdwell, W.C., Perry, R.H. 2007. Liquid Chromatography with Dual Parallel Mass Spectrometry and 31P Nuclear Magnetic Resonance Spectroscopy for Analysis of Sphingomyelin and Dihydrosphingomyelin. II. Bovine Milk Sphingolipids. Journal of Chromatography A, 1146:164-185
Byrdwell, W.C., Perry, R.H. 2006. Liquid chromatography with dual parallel mass spectrometry and 31p nuclear magnetic resonance spectroscopy for analysis of sphingomyelin and dihydrosphingomyelin: I. bovine brain and chicken egg yolk. Journal of Chromatography A. 1133:149-171.
Byrdwell, W.C. 2009. Comparison of analysis of vitamin D3 in foods using ultraviolet and mass spectrometric detection. Journal of Agricultural and Food Chemistry. 57(6):2135-2146.
Byrdwell, W.C. 2006. Analysis of triglycerides and related compounds in food using liquid chromatography/mass spectrometry techniques. Encyclopedia of Mass Spectrometry (M.L. Gross and R.M> Caprioli, Ed.), Elsevier B.V., p. 654-664.