Dr. Wm. Craig Byrdwell

Click here to email Dr. Byrdwell
Research Scientist
Washigton, D.C.

PhD, University of Louisville,
Louisville, KY

BS, University of Louisville


Contact Information
Email byrdwell@byrdwell.com


A Complete List of Publications

Click on the Title to download directly. Some articles are also available from the National Agricultural Library (NAL) Digital Collections at:
http://naldc.nal.usda.gov/naldc/home.xhtml, by searching for "Byrdwell".
  1. Byrdwell, W. C., "Comprehensive Dual Liquid Chromatography with Quadruple Mass Spectrometry (LC1MS2×LC1MS2 = LC2MS4) for Analysis of Parinari Curatellifolia and Other Seed Oil Triacylglycerols", Analytical Chemistry, In Press (2017), DOI: 10.1021/acs.analchem.7b02753.


  2. Byrdwell, W. C., "Multiple Parallel Mass Spectrometry for Liquid Chromatography", in Handbook of Advanced Chromatography /Mass Spectrometry Techniques, M. Holcapek and W.C. Byrdwell (Eds.), Elsevier Academic Press and AOCS Press, Cambridge, MA, pp. 365-406, 2017.


  3. Korlesky, N.M., Stolp, L.J., Kodali, D.R., Goldschmidt, R., Byrdwell, W. C., "Extraction and Characterization of Montmorency Sour Cherry (Prunus cerasus L.) Pit Oil", Journal of the American Oil Chemists' Society, 93(7):995-1005 (2016), DOI: 10.1007/s11746-016-2835-4.


  4. Byrdwell, W. C., "The Simulacrum System as a Construct for Mass Spectrometry of Triacylglycerols and Others", Lipids, 51(2):211-227 (2016), DOI: 10.1007/s11745-015-4101-1. (Typo: [OO]+ from OOO, not [LL]+)


  5. Byrdwell, W. C., "The Updated Bottom Up Solution Applied to Atmospheric Pressure Photoionization and Electrospray Ionization Mass Spectrometry", Journal of the American Oil Chemists' Society, 92(11):1533-1547 (2015), DOI: 10.1007/s11746-015-2735-z. (Note that after revision Fig. 2 series are in a different order than Fig.1)


  6. Byrdwell, W. C., "Critical Ratios for Structural Analysis of Triacylglycerols Using Mass Spectrometry", Lipid Technology, 27(11):258-261 (2015), DOI: 10.1002/lite.201500054.


  7. Byrdwell, W. C., "The Updated Bottom Up Solution Applied to Mass Spectrometry of Soybean Oil in a Dietary Supplement Gelcap", Analytical and Bioanalytical Chemistry, 407(17):5143-5160 (2015), DOI: 10.1007/s00216-015-8590-9.


  8. Byrdwell, W. C., "Fast comprehensive analysis of vitamin D and triacylglycerols in dietary supplements using multiple parallel mass spectrometers", Lipid Technology, 27(7):151-154 (2015), DOI: 10.1002/lite.201500030.


  9. Byrdwell, W. C., "Extract-Filter-Shoot Liquid Chromatography with Mass Spectrometry for the Analysis of Vitamin D2 in a Powdered Supplement Capsule and Standard Reference Material 3280", Journal of Separation Science, 37(16):2095-2110 (2014), DOI: 10.1002/jssc.201400234.


  10. Byrdwell, W. C., "Construction of a Wireless Communication Contact Closure System for Liquid Chromatography with Multiple Parallel Mass Spectrometers and Other Detectors", Journal of Laboratory Automation, 19(5):461-467 (2014), DOI: 10.1177/2211068214543372.


  11. Sapozhnikova, Y., Byrdwell, W.C., Lobato, A., Romig, B., "Effects of UV-B Radiation Levels on Concentrations of Phytosterols, Ergothioneine, and Polyphenolic Compounds in Mushroom Powders Used as Dietary Supplements ", Journal of Agricultural and Food Chemistry, 62(14):3034-3042 (2014), DOI: 10.1021/jf403852k.


  12. Byrdwell, W.C., "Quadruple Parallel Mass Spectrometry Analysis of Vitamin D and Triacylglycerols in a Dietary Supplement", Journal of Chromatography A, 1320:48-65 (2013), DOI: 10.1016/j.chroma.2013.10.031.


  13. Byrdwell, W. C., "How Many Mass Spectrometers Are Enough? Adventures in Multiple Parallel Mass Spectrometry", INFORM, International News on Fats, Oils, and Related Materials, 24(5):312-316 (2013).


  14. Byrdwell, W. C., Horst, R. L., Phillips, K. M., Holden, J. M., Patterson, K. Y., Harnly, J. M., Exler, J. "Vitamin D Levels in Fish and Shellfish Determined by Liquid Chromatography with Ultraviolet Detection and Mass Spectrometry", Journal of Food Composition and Analysis, 30(2):109-119 (2013), DOI: 10.1016/j.jfca.2013.01.005.


  15. Byrdwell, W. C., "Parallel Mass Spectrometry (APCI-MS and ESI-MS) for Lipid Analysis", The AOCS Lipid Libray, Lipidomics (2012).


  16. Byrdwell, W. C., "'Dilute-and-Shoot' Triple Parallel Mass Spectrometry Method for Analysis of Vitamin D and Triacylglycerols in Dietary Supplements", Analytical and Bioanalytical Chemistry, 401(10):3317-3334 (2011), DOI: 10.1007/s00216-011-5406-4.(Shows switching system and plumbing of washing valve.)


  17. Byrdwell, W.C., "Multiple Parallel Mass Spectrometry Techniques for Lipid and Vitamin D Analysis", in Extreme Chromatography: Faster, Hotter, Smaller, W.C. Byrdwell and M. Holcapek (Eds.), AOCS Press, Champaign, IL, pp. 255-299, 2011.


  18. Phillips, K. M. , Ruggio, D.M., Horst, R. L., Minor, B., Simon, R., Feeney, M.J., Byrdwell, W. C., Haytowitz, D.B., "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 (2011), DOI: 10.1021/jf104246z.


  19. Byrdwell, W. C., Exler, J., Gebhardt, S. E., Harnly, J. M., Holden, J. M., Horst, R. L., Patterson, K. Y., Phillips, K. M. , Wolf, W. R., "Liquid Chromatography with Ultraviolet and Dual Parallel Mass Spectrometric Detection for Analysis of Vitamin D in Retail Fortified Orange Juice", Journal of Food Composition and Analysis, 24(3):299-306 (2011), DOI: 10.1016/j.jfca.2010.09.020.


  20. Patterson, K. Y., Phillips, K. M., Horst, R. L., Byrdwell, W. C., Exler,J., Lemar, L. E., Holden, J. M., "Vitamin D Content and Variability in Fluid Milks from a US Department of Agriculture Nationwide Sampling to Update Values in the National Nutrient Database for Standard Reference", Journal of Dairy Science, 93(11):5082-5090 (2010), DOI: 10.3168/jds.2010-3359.


  21. Byrdwell, W. C., "Dual Parallel Mass Spectrometry for Lipid and Vitamin D Analysis", Journal of Chromatography A, 1217(25):3992-4003 (2010), DOI: 10.1016/j.chroma.2009.11.101.


  22. Byrdwell, W. C., "Comparison of Analysis of Vitamin D3 in Foods Using Ultraviolet and Mass Spectrometric Detection", Journal of Agricultural and Food Chemistry, 57(6):2135-2146 (2009), DOI: 10.1021/jf803398u.


  23. Phillips, K. M. , Byrdwell, W. C., Exler, J., Harnly, J. M., Holden, J. M., Holick, M. F., Hollis, B. W., Horst, R. L., Lemar, L. E., Patterson, K. Y., Tarrago-Trani, M. T., Wolf, W. R., "Development and Validation of Control Materials for the Measurement of Vitamin D3 in Selected U.S. Foods", Journal of Food Composition and Analysis, 21(7):527-534 (2008), DOI: 10.1016/j.jfca.2008.05.003.


  24. Byrdwell, W. C. , DeVries, J., Exler, J., Harnly, J. M., Holden, J. M., Holick, M. F., Hollis, B. W., Horst, R. L., Lada, M., Lemar, L. E., Patterson, K. Y., Phillips, K. M., Tarrago-Trani, M. T., Wolf, W. R., "Analyzing Vitamin D in Food and Supplements: Methodological Challenges", American Journal of Clinical Nutrition, 88(Suppl.):554S-557S (2008).


  25. Byrdwell, W.C., "Dual Parallel Liquid Chromatography with Dual Mass Spectrometry (LC2/MS2) for a Total Lipid Analysis", Frontiers in Bioscience, 13:100-120 (2008), DOI: 10.2741/2663.


  26. Byrdwell, W.C., Perry, R.H., "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 (2007), DOI: 10.1016/j.chroma.2007.01.108.


  27. Byrdwell, W.C., Perry, R.H., "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 (2006), DOI: 10.1016/j.chroma.2006.08.014.


  28. Byrdwell, W.C., "Analysis of Triglycerides and Related Compounds in Food Using Liquid Chromatography/Mass Spectrometry Techniques", Encyclopedia of Mass Spectrometry, Vol. 8: Hyphenated Methods, Editors-in-Chief: Michael L. Gross & Richard M. Caprioli; Volume Editor: Wilfried M.A. Niessen, Elsevier Science. Oxford. pp. 654-664 (2006).


  29. Byrdwell, W.C., "The Bottom Up Solution to the Triacylglycerol Lipidome Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", Lipids, 40(4):383-417 (2005), DOI: 10.1007/s11745-006-1398-9.




  30. List, G.R., Byrdwell, W.C., Steidley, K.R., Adlof, R.O., Neff, W.E., "Triacylglycerol Structure and composition of Hydrogenated Soybean Oil Margarine and Shortening Basestocks", Journal of Agricultural and Food Chemistry, 53(12):4692-4695 (2005), DOI: 10.1021/jf0404905.


  31. Byrdwell, W.C., "Atmospheric Pressure Ionization Techniques in Modern Lipid Analysis", in Modern Methods for Lipid Analysis by Liquid Chromatography/ Mass Spectrometry and Related Techniques,, W.C. Byrdwell (Ed.), AOCS Press, Champaign, IL, pp. 1-18, 2005.


  32. Byrdwell, W.C., "Qualitative and Quantitative Analysis of Triacylglycerols by Atmospheric Pressure Ionization (APCI & ESI) Techniques", in Modern Methods for Lipid Analysis by Liquid Chromatography/ Mass Spectrometry and Related Techniques, W.C. Byrdwell (Ed.), AOCS Press, Champaign, IL, pp. 298-412, 2005.


  33. Byrdwell, W.C., "Dual Parallel Liquid Chromatography/ Mass Spectrometry for Lipid Analysis", in Modern Methods for Lipid Analysis by Liquid Chromatography/ Mass Spectrometry and Related Techniques, W.C. Byrdwell (Ed.), AOCS Press, Champaign, IL, pp. 510-576, 2005.


  34. * Review Article *   Byrdwell, W.C., "Liquid Chromatography/ Atmospheric Pressure Chemical Ionization Mass Spectrometry for Lipid Analysis", in HPLC of Lipids, J.T. Lin and T.A. McKeon(Eds.), HNB Publishing, New York, pp. 269-314, 2005.


  35. * Review Article *   Byrdwell, W.C., "Liquid Chromatography with Electrospray Ionization Mass Spectrometry for Lipid Analysis", in HPLC of Lipids, J.T. Lin and T.A. McKeon(Eds.), HNB Publishing, New York, pp. 315-371, 2005.


  36. * First Report of TAG Oligomers by LC/ESI-MS *   Byrdwell, W.C., Neff, W.E., "Electrospray Ionization Mass Spectrometry of High Molecular Weight Triacylglycerol Oligomers", Journal of the American Oil Chemists' Society, 81(1):13-26 (2004), DOI: 10.1007/s11746-004-0853-3.


  37. * Review Article *   Byrdwell, W.C., "APCI-MS in Lipid Analysis", in Advances in Lipid Methodology-- Five, R.O. Adlof (Ed.), The Oily Press, Bridgwater, England, pp. 171-253, 2004.


  38. Byrdwell, W.C., "Dual Parallel Liquid Chromatography/ Dual Mass Spectrometry (LC2/MS2) of Bovine Brain Total Lipid Extract", Journal of Liquid Chromatography and Related Technologies, 26(19):3147-3181 (2003), DOI: 10.1081/JLC-120025516.


  39. Byrdwell, W.C., Neff, W.E., "Dual Parallel Mass Spectrometers for Analysis of Triacylglycerols and Triacylglycerol Oxidation Products", Rapid Communications in Mass Spectrometry, 16(4):300-319 (2002), DOI: 10.1002/rcm.581.


  40. Byrdwell, W.C., Sato, H., Schwarz, A.K., Borchman, D., Yappert, M.C., Tang, D.X., "P-31 NMR Quantification and Monophasic Solvent Purification of Human and Bovine Lens Phospholipids", Lipids, 37(11):1087-1092 (2002), DOI: 10.1007/s11745-002-1004-1.


  41. Neff. W.E., Byrdwell, W.C., Steidley, K.R., List, G.R., Snowder, G., "Triacylglycerol Structure of Animal Tallows, Potential Food Formulation Fats, by High Performance Liquid Chromatography Coupled with Mass Spectrometry", Journal of Liquid Chromatography and Related Technologies, 25(6):985-998 (2002), DOI: 10.1081/JLC-120003275.


  42. * Review Article *   Byrdwell, W.C., "Atmospheric Pressure Chemical Ionization Mass Spectrometry for Analysis of Lipids", Lipids, 36(4):327-346 (2001), DOI: 10.1007/s11745-001-0725-5.


  43. Byrdwell, W.C., Neff, W.E., "Autoxidation Products of Normal and Genetically Modified Canola Oil Varieties Determined Using Liquid Chromatography with Mass Spectrometric Detection",Journal of Chromatography A, 905(1/2):85-102 (2001), DOI: 10.1016/S0021-9673(00)00958-4.


  44. Byrdwell, W.C., Neff, W.E., List, G.R., "Triacylglycerol Analysis of Potential Margarine Base Stocks by High Performance Liquid Chromatography with Atmospheric Pressure Chemical Ionization Mass Spectrometry and Flame Ionization Detection", Journal of Agricultural and Food Chemistry, 49(1):446-457 (2001), DOI: 10.1021/jf0008801.


  45. Neff, W.E., Byrdwell, W.C., "Triacylglycerol Structures of Food Fats High in Saturated Acids by HPLC and Mass Spectrometry",Journal of Liquid Chromatography and Related Technologies, 24(6):837-854 (2001), DOI: 10.1081/JLC-100103414.


  46. Neff, W.E., Byrdwell, W.C., List, G.R., "Analyze This-- Fat",Resource Magazine, ASAE, 8(2):11-12 (2001).


  47. Neff, W.E., Byrdwell, W.C., List, G.R., "A New Method to Analyze Triacylglycerol Composition of Vegetable Oils",Cereal Foods World , 46(1):6-10 (2001).


  48. Neff, W.E., List, G.R., Byrdwell, W.C., "Analysis of Triacylglycerol Positional Isomers in Food Products as Brominated Derivatives by High-Performance Liquid Chromatography Coupled with a Flame Ionization Detector", Journal of Chromatography A, 912(1):187-190 (2001), DOI: 10.1016/S0021-9673(01)00544-1.


  49. Neff, W.E., List, G.R., Byrdwell, W.C., "New Tool for Triacylglycerol Analysis in Food Oils",Lipid Technology, 13(1):15-17 (2001).


  50. Warner, K., Neff, W.E., Byrdwell, W.C., Gardner, H.W., "Effect of Oleic and Linoleic Acids on the Production of Deep Fried Odor in Heated Triolein and Trilinolein",Journal of Agricultural and Food Chemistry, 49(2):899-905 (2001), DOI: 10.1021/jf000822f.


  51. Neff, W.E., Warner, K., Byrdwell, W.C., "Odor Significance of Undesirable Degradation Compounds in Heated Triolein and Trilinolein",Journal of the American Oil Chemists' Society, 77(12):1303-1313 (2000), DOI: 10.1007/s11746-000-0205-3.


  52. Byrdwell, W.C., Neff, W.E., "Non-Volatile Products of Triolein Produced at Frying Temperatures Characterized Using Liquid Chromatography with Online Mass Spectrometric Detection",Journal of Chromatography A, 852(2):417-432 (1999), DOI: 10.1016/S0021-9673(99)00529-4.


  53. Neff, W.E., List, G.R., Byrdwell, W.C., "Quantitative Composition of High Palmitic and Stearic Acid Soybean Oil Triacylglycerols by Reversed Phase High Performance Liquid Chromatography: Utilization of Evaporative Light Scattering and Flame Ionization Detectors", Journal of Liquid Chromatography and Related Technologies, 22(11):1649-1662 (1999), DOI: 10.1081/JLC-100101758.


  54. Neff, W.E., List, G.R., Byrdwell, W.C., "Effect of Triacylglycerol Composition on Functionality of Margarine Basestocks", Lebensmittel Wissenschaft und Technologie, 32(7):416-424 (1999), DOI: 10.1006/fstl.1999.0571.


  55. * Review Article *   Byrdwell, W.C., "Atmospheric Pressure Chemical Ionization-MS for Lipid Analysis", INFORM, 9(10): 986-997 (1998).


  56. Neff, W.E, Byrdwell, W.C., "Characterization of Model Triacylglycerol (Triolein, Trilinolein and Trilinolenin) Autoxidation Products via High Performance Liquid Chromatography Coupled with Atmospheric Pressure Chemical Ionization Mass Spectrometry", Journal of Chromatography A, 818(2):169-186 (1998), DOI: 10.1016/S0021-9673(98)00553-6.


  57. * First Report of Dual Parallel LC/(APCI & ESI)-MS *   Byrdwell, W.C., "Dual Parallel Mass Spectrometers for Analysis of Sphingolipid, Glycerophospholipid and Plasmalogen Molecular Species", Rapid Communications in Mass Spectrometry, 12(5):256-272 (1998), DOI: 10.1002/(SICI)1097-0231(19980314)12:5<256::AID-RCM149>3.0.CO;2-8.


  58. Byrdwell, W.C., Neff, W.E., "Analysis of Hydroxy-Containing Seed Oils Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", Journal of Liquid Chromatography and Related Technologies, 21(10):1485-1501 (1998), DOI: 10.1080/10826079808000529.


  59. Byrdwell, W.C., Neff, W.E., "Qualitative and Quantitative Analysis of Triacylglycerols Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", In New Techniques and Applications for Lipid Analysis, M. Mossoba and R. McDonald (eds.), AOCS Press, Champaign, IL, pp. 45-80, 1997.


  60. * First Report of LC/MS of DHS Molecular Species *   Byrdwell, W.C., Borchman, D., "Liquid Chromatography/Mass Spectrometric Characterization of Sphingomyelin and Dihydrosphingomyelin of Human Lens Membranes", Ophthalmic Research, 29(4):191-206 (1997), DOI: 10.1159/000268014.


  61. * First Report of APCI-MS for Quantitative Analysis of TAG *   Byrdwell, W.C., Emken, E.A., Neff, W.E., Adlof, R.O., "Quantitative Analysis of Triglycerides Using Atmospheric Pressure Chemical Ionization-Mass Spectrometry", Lipids, 31(9):919-935 (1996), DOI: 10.1007/BF02522685.


  62. Byrdwell, W.C., Neff, W.E., "Analysis of Genetically Modified Canola Varieties by Atmospheric Pressure Chemical Ionization Mass Spectrometric and Flame Ionization Detection", J. Liq. Chromatogr. & Rel. Technol. (Formerly Journal of Liquid Chromatography), 19(14):2203-2225 (1996), DOI: 10.1080/10826079608017152.


  63. Herron, B.F., Bagby, M.O., Isbell, T.A., Byrdwell, W.C., Plattner, R., Weisleder, D., "Preparation and Characterization of Methyl 11-Amino-(N-p-toluenesulfonyl)-9-E-octadecenoate and Methyl 8-(N-p-toluenesulfonyl)-9-E-octadecenoate", Journal of the American Oil Chemists' Society, 74(3):229-234 (1997), DOI: 10.1007/s11746-997-0128-7.


  64. Borchman, D., Byrdwell, W.C., Yappert, M.C., "Thermodynamic Phase Transition Parameters of Human Lens Dihydrosphingomyelin", Ophthalmic Research, 28(Suppl. 1):81-85 (1996), DOI: 10.1159/000267977.


  65. Borchman, D., Ozaki, Y., Lamba, O. P., Byrdwell, W. C., Yappert, M. C., "Age and Regional Structural Characterization of Lipid Hydrocarbon Chains from Human Lenses by Infrared, and Near-Infrared Raman, Spectroscopies", Biospectroscopy, 2(2):113-123 (1996), DOI: 10.1002/(SICI)1520-6343(1996)2:2<113::AID-BSPY4>3.0.CO;2-A.


  66. Sato, H., Borchman, D., Ozaki, Y., Byrdwell, W. C., Yappert, M. C., Paterson, C.A., "Lipid-Protein Interactions in Human and Bovine Membranes by Fourier Transform Raman and Infrared Spectroscopies", Experimental Eye Research, 62(1):47-53 (1996), DOI: 10.1006/exer.1996.0006.


  67. Neff, W.E., Byrdwell, W.C., "Triacylglycerol Analysis by High Performance Liquid Chromatography- Atmospheric Pressure Chemical Ionization Mass Spectrometry: Crepis Alpina and Vernonia Galamensis Seed Oils", Journal of Liquid Chromatography, 18(20):4165-4181 (1995), DOI: 10.1080/10826079508013753.


  68. Neff, W.E., Byrdwell, W.C., "Soybean Oil Triacylglycerol Analysis by Reversed-Phase High Performance Liquid Chromatography Coupled with Atmospheric Pressure Chemical Ionization Mass Spectrometry", Journal of the American Oil Chemists' Society, 72(10):1185-1191 (1995), DOI: 10.1007/BF02540986.


  69. * First Report of HPLC/APCI-MS of TAG *   Byrdwell, W.C., Emken, E.A., "Analysis of Triglycerides Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", Lipids, 30(2):173-175 (1995), DOI: 10.1007/BF02538272.


  70. Borchman, D., Ozaki, Y., Lamba, O.P., Byrdwell, W.C., Czarnecki, M. Yappert, M.C., "Structural Characterization of Clear Human Lens Membranes by Near-Infrared Fourier Transform Raman Spectroscopy", Current Eye Research, 14(6):511-515 (1995), DOI: 10.3109/02713689509003763.


  71. * First Report of the Identity of the Unknown Phospholipid *   Byrdwell, W.C., Borchman, D., Porter, R.A., Taylor, K.G., Yappert, M.C., "Separation and Characterization of the Unknown Phospholipid in Human Lens Membranes", Investigative Ophthalmology and Visual Sciences, 35(13):4333-4343 (1994).


  72. Borchman, D., Byrdwell, W.C., Yappert, M.C., "Regional and Age-Dependent Differences in the Phospholipid Composition of Human Lens Membranes", Investigative Ophthalmology and Visual Sciences, 35(11):3938-3942 (1994).


  73. Yappert, M.C., Byrdwell, W.C., Borchman, D., "Comparison of Specific Blue and Green Fluorescence in Cataractous Versus Normal Human Lens Fractions", Investigative Ophthalmology and Visual Sciences, 34(3):630-636 (1993).


  74. Byrdwell, W.C., "Spectrofluorometric Analysis of Human Lens Proteins, Development of an Extraction, and Chromatographic Separation and Spectroscopic Characterization of the Unknown Phospholipid", Doctoral Dissertation, University of Louisville, Louisville, Kentucky (1994)



NOTE: Work performed during duty as a federal employee (myself or William Neff) is not copyrighted, and can be disseminated freely.

Abstracts

  1. Byrdwell, W. C., "What Analysis of Triacylglycerol Structures Taught Me About Pi, Space, Mass, and the Periodic Table", 107th American Oil Chemists' Society Annual Meeting Abstracts, May 1-4 (2016) Salt Lake City, UT.


  2. Byrdwell, W. C., "What is a Simulacrum and What Does It Tell You About Triacylglycerol Structures?", 107th American Oil Chemists' Society Annual Meeting Abstracts, May 1-4 (2016) Salt Lake City, UT.


  3. Byrdwell, W. C., "The Updated Bottom Up Solution: Using Critical Ratios for Triacylglycerol Structural Analysis by Mass Spectrometry", 106th American Oil Chemists' Society Annual Meeting Abstracts, May 3-6 (2015) Orlando, FL.
    • Chairperson of "ANA 2: Advanced Separation of Lipids/Multidimensional Techniques" with Dr. Pierluigi Delmonte.


  4. Byrdwell, W. C., "Modern Techniques in Oils and Fats Authentication", in Short Course "Update on New Technologies and Processes in Oils and Fats", 106th American Oil Chemists' Society Annual Meeting Abstracts, May 3-6 (2015) Orlando, FL. (Invited)


  5. Byrdwell, W. C., "A Wireless Communication Contact Closure System for Four Mass Spectrometers and Two Liquid Chromatogaraphs in Parallel (LC2/MS4)", Poster, 106th American Oil Chemists' Society Annual Meeting Abstracts, May 3-6 (2015) Orlando, FL.


  6. Byrdwell, W. C., "A Wireless Communication Contact Closure System for Four Mass Spectrometers and Two Liquid Chromatographs in Parallel (LC2/MS4)", Pittcon Annual Meeting Abstracts, March 8-12 (2015) New Orleans, LA.


  7. Byrdwell, W. C., "Triple- and Quadruple-Parallel Mass Spectrometry (LC1/MS3,MS4) for Lipid Analysis", Poster, Gordon Research Conference-- Plant Lipids: Structure, Metabolism, and Function Abstracts, February 1-6 (2015) Galveston, TX.


  8. Byrdwell, W. C., "Quadruple Parallel Mass Spectrometry (LC1/MS4) "Extract-Filter-Shoot" Method for Lipid and Vitamin D Analysis", 62nd American Society for Mass Spectrometry Annual Meeting Abstracts, June 15-19 (2014) Baltimore, MD.


  9. Byrdwell, W. C., "Quadruple Parallel Mass Spectrometry "Extract-Filter-Shoot" Method for Fat Soluble Vitamins in Powdered Supplements and NIST SRM 3280", 105th American Oil Chemists' Society Annual Meeting Abstracts, May 2-7 (2014) San Antonio, TX.(Invited)


  10. Byrdwell, W. C., "Three and Four Mass Spectrometers in Parallel for Lipid Analysis - How Many Instruments Are Enough?", Compositional Analysis of Lipids Meeting Julius Lewkowitsch Memorial Award Lecture, June 20-21 (2013) Ghent, Belgium.


  11. Byrdwell, W. C., "Lessons Learned from Mass Spectrometry of Triacylglycerols", 103rd American Oil Chemists' Society Annual Meeting Herbert J. Dutton Award Lecture, April 29-May 2 (2012) Long Beach, CA.


  12. Byrdwell, W. C., "An Introduction to the Unit Simulacrum as a Construct for Mass Spectrometry of Triacylglycerols", 103rd American Oil Chemists' Society Annual Meeting Abstracts, April 29-May 2 (2012) Long Beach, CA.
    • Chairperson of "ANA 4: Innovative Techniques for Analysis" with Dr. Jackson Lay.


  13. Byrdwell, W. C., "'Dilute-and-Shoot' Method for Vitamin D Analysis in Dietary SUpplement Capsules", Experimental Biology Meeting, April 9-13 (2011) Washington, DC.


  14. Byrdwell, W. C., "Triple Parallel Mass Spectrometry (LC1/MS3) Method for Lipidomic Analysis of Vitamin D and Plant Triacylglycerols in Dietary Supplement Capsules", 102nd American Oil Chemists' Society Annual Meeting Abstracts, May 1-4 (2011) Cincinnati, OH.
    • Chairperson of "ANA 1/BIO 1:Lipidomics and Metabolic Analysis" with Dr. Randall Weselake.


  15. Byrdwell, W. C., "Leveraging Research and Manufacturers' Resources for Teaching Mass Spectrometry", in Short Course "Tough Topics to Teach, 102nd American Oil Chemists' Society Annual Meeting Abstracts, May 1-4 (2011) Cincinnati, OH.(Invited)


  16. Byrdwell, W. C., Exler, J., Gebhardt, S., Harnly, J.M., Holden, J.M., Horst, R.L., Patterson, K.Y., Phillips, K.M., "Report on the Vitamin D Content of Fortified Retail Orange Juice in the U.S.", 34th National Nutrient Databank Conference Abstracts, July 12-14 (2010) Grand Forks, ND.


  17. Byrdwell, W. C., Exler, J., Gebhardt, S., Harnly, J.M., Holden, J.M., Patterson, K.Y., Phillips, K.M., "Dual Parallel Mass Spectrometry for Analysis of Vitamin D in Retail Fortified Orange Juice", 101st Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts, May 16-19 (2010) Phoenix, AZ.
    • Chairperson of "ANA 3: Mass Spectrometry" with Prof. Michal Holcapek.


  18. Byrdwell, W. C., *Wolf, Wayne R., "Vitamin D in Retail Fortified Orange Juice Determined by HPLC with UV and Mass Spectrometric Detection", 1st International Vitamin Conference Abstracts (#102), May 19-21 (2010) Copenhagen, Denmark. W. Wolf presenting author.


  19. Byrdwell, W. C., "Physical and Bioorganic Principles of Chromatographic Measurements Using Spectrophotometric/Spectrometric Detection - Accuracy, Precision, Specificity", National Institutes of Health Office of Dietary Supplements Nutrient Biomarkers Analytical Methodology: Vitamin D Workshop, Dec. 16 (2009) Bethesda, MD. (Invited)


  20. Byrdwell, W. C., "Dual Parallel Mass Spectrometry (LC1/MS2 and LC2/MS2) for Lipid and Vitamin D Analysis", 100th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts, May 3-6 (2009) Orlando, FL.(Invited)
    • Chairperson of "ANA 5: General Analytical II".


  21. Byrdwell, W. C., "Dual Parallel Mass Spectrometry (LC1/MS2 and LC2/MS2) for Lipid and Vitamin D Analysis", Proceedings of the 21st ASMS Sanibel Conference on Mass Spectrometry: Lipidomics and Lipid mass Spectrometry, p. 13, Jan. 23-26 (2009) St. Pete Beach, FL.


  22. Exler, J., Byrdwell, W.C., Holden, J.M., Lemar, L.E., Patterson, K.Y., Pehrsson, P.R., Phillips, K.M. , "Total Fat, n-3 Fatty Acids and Vitamin D3 in Selected Fish Species Sampled Under USDA's National Food and Nutrient Analysis Program (NFNAP)", FASEB J., 23:731.2, April 18-22 (2009) New Orleans, LA. J. Exler presenting author.


  23. Byrdwell, W. C., "Dual Parallel Mass Spectrometry (LC1/MS2 and LC2/MS2) for Lipid and Vitamin D Analysis", Proceedings of the United States-Japan Cooperative Program in Natural Resources, Food and Agricultural Panel, 37:179-180,Aug. 24-28 (2008) Chicago, IL. (Invited)


  24. Byrdwell, W.C., "The Highlights, Perils, and Pitfalls of Vitamin D Analysis by Mass Spectrometry", 99th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts,May 18-21 (2008) Seattle, WA.
    • Chairperson of "ANA 3: Mass Spectrometry-Based Analysis" with Dr. Xianlin Han.


  25. Byrdwell, W.C., Phillips, K.M., "The Highlights and Perils of Vitamin D Analysis using AOAC Methods with UV and Mass Spectrometric Detection", 122nd Annual Meeting of the Association of Official Analytical Chemists (AOAC) Abstracts, Sept. 21-24 (2008) Dallas, TX.


  26. Holden, J.M., Byrdwell, W.C., Exler, J., Harnly, J.M., Holick, M.F., Hollis, B.W., Horst, R.L., Patterson, K.Y., Phillips, K.M., and Wolf, W.R., "Control Materials for Validating Measurement of Vitamin D in Key Foods for the USDA National Food and Nutrient Analysis Program (NFNAP) ", FASEB J., 22:868.10, April 5-9 (2008) San Diego, CA. J.M. Holden presenting author.


  27. Patterson, K.Y., Phillips, K.M., Horst, R.L., Byrdwell, W.C., Exler, J., Harnly, J.M., Holden, J.M., Lemar, L.E., Pehrsson, P.R., and Wolf, W.R., "Variability in the Vitamin D Content of 2% Milk from a Nationwide U.S. Sampling", 32nd National Nutrient Databank Conference Abstracts, p. 54, May 12-14 (2008) Ontario, Canada. K.Y. Patterson presenting author.


  28. Patterson, K.Y., Exler, J., Lemar, L.E., Holden, J.M., Phillips, K.M., Harnly, J.M., Byrdwell, W.C., and Wolf, W.R., "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). K.Y. Patterson presenting author.


  29. Byrdwell, W. C. , DeVries, J., Exler, J., Harnly, J. M., Holden, J. M., Holick, M. F., Hollis, B. W., Horst, R. L., Lada, M., Lemar, L. E., Patterson, K. Y., Phillips, K. M., Tarrago-Trani, M. T., Wolf, W. R., "Analyzing Vitamin D in Food and Supplements: Methodological Challenges", American Journal of Clinical Nutrition, 88(2):554S-557S (2008). Proceedings of the Conference "Vitamin D and Health in the 21st Century: An Update", Sept. 5-6 (2007) Bethesda, MD. J.M. Harnly presenting author.


  30. Byrdwell, W.C., "Comprehensive Method for Analysis of Vitamin D in Foods", FASEB J., 21:A317, April 28 - May 2 (2007) Washington, DC.


  31. Byrdwell, W.C., Perry, R.H., "Dual Parallel Mass Spectrometers with 31P NMR for Sphingolipid Analysis", 97th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2006).

    • Chairperson of "ANA 1: Mass Spectrometry" with Dr. Xianlin Han.



  32. Byrdwell, W.C., "The Bottom Up Solution to the Triacylglycerol Lipidome", 96th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2005). (Invited)


  33. Byrdwell, W.C., "Dual Parallel Techniques in Liquid Chromatography / Mass Spectrometry for Lipid Analysis", 95th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2004). (Invited)


  34. Perry, R.H., Borchman, D, Byrdwell, W.C., "Changes in the Phospholipid Composition of the Human Lens with Age and Cataract Formation", Invest. Ophthalmol. Vis. Sci. (Suppl.), 44:4481 (2003).


  35. Byrdwell, W.C., "Dual Parallel Liquid Chromatography/ Dual Mass Spectrometry (LC2/MS2) of Total Lipid Extracts", American Chemical Society Florida Annual Meeting & Exposition (FAME) (2003). (Invited)


  36. Byrdwell, W.C., "Dual Parallel Liquid Chromatography with Dual Mass Spectrometry for a Total Lipid Analysis", 94th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2003).


  37. Byrdwell, W.C., Neff, W.E., "Electrospray Ionization Mass Spectrometry for Quantitative Analysis of High Molecular Weight Triacylglycerol Oxidation Product Oligomers", 94th Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2003).


  38. Byrdwell, W.C., "Mass Spectrometry for Determination of the Fatty Acid Composition of Lipids", 93rd Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2002).


  39. Byrdwell, W.C., Neff, W.E., "Dual Parallel Mass Spectrometers for Analysis of Triacylglycerols and Triacylglycerol Oxidation Products", 93rd Annual American Oil Chemists' Society (AOCS) Meeting & Expo Abstracts (2002).


  40. Neff, W.E., Warner, K., Byrdwell, W.C., "Degradation Products in Heated Triolein and Trilinolein", INFORM (Suppl.), 12(5): S84 (2001).


  41. Warner, K., Neff, W.E., Byrdwell, W.C., Eller, F.C., "Effect of Tocopherol on the Stability of Fried Food", INFORM (Suppl.), 12(5): S89 (2001).


  42. Byrdwell, W.C., Neff, W.E., "Analysis of Lipid Oxidation Products Using Liquid Chromatography/ Atmospheric Pressure Chemical Ionization Mass Spectrometry", INFORM (Suppl.), 11(5): S21 (2000).


  43. Neff, W.E., Byrdwell, W.C., "Nonvolatile Products of Trililnolein Produced at Frying Temperatures Characterized Using Liquid Chromatography with Online Mass Spectrometric Detection", INFORM (Suppl.), 11(5): S15 (2000).


  44. Emken, E.A., Adlof, R.O., Duval, S.M., Becker, C., Shane, J.M., Walker, P.M., Byrdwell, W.C., "Effect of Triacylglycerol Structure on Absorption and Metabolism of Stable-Isotope Labeled Palmitic and Linoleic Acids by Human Subjects", INFORM (Suppl.), 11(5): S110 (2000).


  45. Byrdwell, W.C., Neff, W.E., "Autoxidation Products of Triacylglycerols Identified Using Atmospheric Pressure Chemical Ionization-Mass Spectrometry", INFORM (Suppl.), 10(5): S86 (1999).


  46. Neff, W.E., Byrdwell, W.C., Warner, K., "Odor Precursor Compounds in Heated Triolein and Trilinolein as Models for Genetically Modified Frying Oils", INFORM (Suppl.), 10(5): S29 (1999).


  47. Berhow, M.A., Byrdwell, W.C., Abbott, T.A., "Soybean Hull Lipids", INFORM (Suppl.), 10(5): S103 (1999).


  48. Byrdwell, W.C., "Analysis of Phospholipid Molecular Species Using Dual Parallel Mass Spectrometers", 89th AOCS Annual Meeting Abstracts, p. 15 (1998).


  49. Byrdwell, W.C., Emken, E.A., "Liquid Chromatography/ Atmospheric Pressure Chemical Ionization Mass Spectrometry to Analyze Human Chylomicron TAG from Subjects Fed Normal or Randomized Lard", 89th AOCS Annual Meeting Abstracts, p. 57 (1998).


  50. Byrdwell, W.C., Borchman, D., "Liquid Chromatography/Mass Spectrometric Characterization of Sphingomyelin and Dihydrosphingomyelin of Human Lens Extracts", 88th AOCS Annual Meeting Abstracts, p. 47 (1997).


  51. Byrdwell, W.C., Emken, E.A., "Liquid Chromatography/Atmospheric Pressure Chemical Ionization-Mass Spectrometric Characterization of Human Chylomicron Triacylglycerols", 88th AOCS Annual Meeting Abstracts, p. 59 (1997). (Invited)


  52. Byrdwell, W.C., Borchman, D., "Characterization of Sphingomyelin and Dihydrosphingomyelin of Human Lens Membranes by Liquid Chromatography/Mass Spectrometry", Invest. Ophthalmol. Vis. Sci.(Suppl.), 38:S1033 (1997).


  53. Neff, W.E., Byrdwell, W.C., "Triglyceride Analysis of Potential Margarine Base Stocks by High-Performance Liquid Chromatography with Atmospheric Pressure Chemical Ionization Mass Spectrometry and Flame Ionization Detection", 88th AOCS Annual Meeting Abstracts, p. 58 (1997).


  54. Byrdwell, W.C., Emken, E.A., Neff, W.E., Adlof, R.O., "Qualitative and Quantitative Analysis of Triglycerides Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", 87th AOCS Annual Meeting Abstracts, p. 1 (1996). (Invited)


  55. Neff, W.E., Byrdwell, W.C., "Analysis of Genetically Modified Canola Varieties by Atmospheric Pressure Chemical Ionization Mass Spectrometric and Flame Ionization Detection", 87th AOCS Annual Meeting Abstracts, p. 66 (1996).


  56. Byrdwell, W.C., Emken, E.A., "Atmospheric Pressure Chemical Ionization Mass Spectrometry for Analysis of Triglycerides", INFORM, 6:527 (1995).


  57. Neff, W.E., Byrdwell, W.C., "Soybean Oil Triacylglycerol Analysis by Reversed-Phase High-Performance Liquid Chromatography (HPLC) Coupled with Atmospheric Pressure Chemical Ionization-Mass Spectrometry", INFORM, 6:527 (1995).


  58. Borchman, D., Yappert, M.C., Byrdwell, W.C., Lamba, O.P., "Age and Regional Lipid Composition-Structure Relationships in Human Lenses", Invest. Ophthalmol. Vis. Sci. (Suppl.), 35:2211 (1994).


  59. Borchman, D., Yappert, M.C., Byrdwell, W.C., Lamba, O.P., "Relationships Between Lipid Composition and Membrane Structure in Ocular and Other Tissues", Exp. Eye Res. (Suppl.), 58 (1994).


  60. Borchman, D., Yappert, M.C., Byrdwell, W.C., Lamba, O.P., Ozaki, Y., Sato, H., "Spectroscopic Studies of Lens Lipid Composition and Structure", Exp. Eye Res. (Suppl.), 58 (1994).


  61. Borchman, D., Ozaki, Y., Sato, H., Yappert, M.C., Byrdwell, W.C., Lamba, O.P., "FT-Raman Study of Age and Regional Trends in Lipid Composition and Structure of Human Lenses", Reports on Topical Meeting of the Laser Society of Japan, Biological and Medical Applications of Lasers, RTM-94-114-21, 5-8 (1994).


  62. Borchman, D., Ozaki, Y., Lamba, O.P., Byrdwell, W.C., Yappert, M.C., Cravnecki, M., "Lens Membrane Protein and Lipid Structure by FT Raman Spectroscopy", Invest. Ophthalmol. Vis. Sci. (Suppl.), 34:1337 (1993).


  63. Yappert, M.C., Byrdwell, W.C., Borchman, D., Paterson, C.A., "Regional Distribution of Extrinsic Fluorophores in Normal and Cataractous Human Lenses", Invest. Ophthalmol. Vis. Sci. (Suppl.), 33:1170 (1992).


  64. "Lecithin/ Sphingomyelin (L/S) Ratios in Tracheal Effluents of Neonates Treated with Exogenous Surfactant",Robinson, T.W., Walker, J.R., Byrdwell, W.C., Radmacher, P.G., Adamkin, D.H., Stewart, D.L., Cook, L.N., Hurst, H.H., Pediatric Research, 29 (4): A328-A328 Part 2 APR (1991).