Dr. Wm. Craig Byrdwell

 Click here to email Dr. Byrdwell
Research Chemist
USDA, ARS, BHNRC, FCML

PhD, University of Louisville,
Louisville, KY

BS, University of Louisville
Contact Information
Email byrdwell@byrdwell.com
Phone (301) 504-9357
FAX (301) 504-8314
Office FCL 003

A Complete List of Publications

  1. 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).


  2. 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 ", J. Chromatogr. A, 1146:164-185 (2007).
    *Available here, click on title.


  3. 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 ", J. Chromatogr. A, 1133:149-171 (2006).
    *Available here, click on title.


  4. 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).


  5. Byrdwell, W.C., "The Bottom Up Solution to the Triacylglycerol Lipidome Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", Lipids, 40(4):383-417 (2005).




  6. 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", J. Agric. Food Chem., 53(12):4692-4695 (2005).


  7. 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.


  8. 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.


  9. 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.


  10. * 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.


  11. * 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.


  12. * First Report of TAG Oligomers by LC/MS *   Byrdwell, W.C., Neff, W.E., "Electrospray Ionization Mass Spectrometry of High Molecular Weight Triacylglycerol Oligomers", J. Am. Oil Chem. Soc., 81(1):13-26 (2004).
    *Available here, click on title.


  13. * 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.


  14. * First Report of Dual Parallel LC/ Dual MS *   Byrdwell, W.C., "Dual Parallel Liquid Chromatography/ Dual Mass Spectrometry (LC2/MS2) of Bovine Brain Total Lipid Extract", J. Liq. Chromatogr. & Rel. Technol., 26(19):3147-3181 (2003).


  15. Byrdwell, W.C., Neff, W.E., "Dual Parallel Mass Spectrometers for Analysis of Triacylglycerols and Triacylglycerol Oxidation Products", Rapid Commun. Mass Spectrom., 16(4):300-319 (2002).
    *Available here, click on title.


  16. 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).


  17. 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", J. Liq. Chromatogr. & Rel. Technol., 25(6):985-998 (2002).


  18. * Review Article *   Byrdwell, W.C., "Atmospheric Pressure Chemical Ionization Mass Spectrometry for Analysis of Lipids", Lipids, 36(4):327-346 (2001).


  19. Byrdwell, W.C., Neff, W.E., "Autoxidation Products of Normal and Genetically Modified Canola Oil Varieties Determined Using Liquid Chromatography with Mass Spectrometric Detection",J. Chromatogr. A., 905(1/2):85-102 (2001).
    *Available here, click on title.


  20. 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", J. Agric. Food Chem., 49(1):446-457 (2001).
    *Available here, click on title.


  21. Neff, W.E., Byrdwell, W.C., "Triacylglycerol Structures of Food Fats High in Saturated Acids by HPLC and Mass Spectrometry",J. Liq. Chromatogr. Rel. Technol., 24(6):837-854 (2001).


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


  23. 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).


  24. 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", J. Chromatogr. A, 912(1):197-190 (2001)


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


  26. 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",J. Agric. Food Chem., 49(2):899-905 (2001).


  27. Neff, W.E., Warner, K., Byrdwell, W.C., "Odor Significance of Undesirable Degradation Compounds in Heated Triolein and Trilinolein",J. Am. Oil Chemists' Soc., 77(12):1303-1313 (2000).


  28. Byrdwell, W.C., Neff, W.E., "Non-Volatile Products of Triolein Produced at Frying Temperatures Characterized Using Liquid Chromatography with Online Mass Spectrometric Detection",J. Chromatogr. A., 852(2):417-432 (1999).
    *Available here, click on title.


  29. 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", J. Liq. Chromatogr. & Rel. Technol., 22(11):1649-1662 (1999).


  30. Neff, W.E., List, G.R., Byrdwell, W.C., "Effect of Triacylglycerol Composition on Functionality of Margarine Basestocks", Lebensm. Wiss. u. Technol., 32(7):416-424 (1999).


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


  32. 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", J. Chromatogr. A., 818(2):169-186 (1998).
    *Available here, click on title.


  33. * First Report of Dual Parallel LC/MS *   Byrdwell, W.C., "Dual Parallel Mass Spectrometers for Analysis of Sphingolipid, Glycerophospholipid and Plasmalogen Molecular Species", Rapid Commun. Mass Spectrom., 12(5):256-272 (1998).
    *Available here, click on title.


  34. Byrdwell, W.C., Neff, W.E., "Analysis of Hydroxy-Containing Seed Oils Using Atmospheric Pressure Chemical Ionization Mass Spectrometry", J. Liq. Chromatogr. & Rel. Technol., 21(10):1485-1501 (1998).


  35. 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.


  36. * 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 Res., 29(4):191-206 (1997).


  37. * 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).


  38. 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 J. Liq. Chromatogr.), 19(14):2203-2225 (1996).


  39. 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", J. Am. Oil Chemists' Soc., 74(3):229-234 (1997).


  40. Borchman, D., Byrdwell, W.C., Yappert, M.C., "Thermodynamic Phase Transition Parameters of Human Lens Dihydrosphingomyelin", Ophthalmic Res., 28(Suppl. 1):81-85 (1996).


  41. 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).


  42. 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", Exp. Eye Res, 62(1):47-53 (1996).


  43. 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", J. Liquid Chromatogr., 18(20):4165-4181 (1995).


  44. 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", J. Am. Oil Chem. Soc., 72(10):1185-1191 (1995).


  45. * 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).


  46. 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", Curr. Eye Res., 14(6):511-515 (1995).


  47. * 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", Invest. Ophthalmol. Vis. Sci., 35(13):4333-4343 (1994).


  48. Borchman, D., Byrdwell, W.C., Yappert, M.C., "Regional and Age-Dependent Differences in the Phospholipid Composition of Human Lens Membranes", Invest. Ophthalmol. Vis. Sci., 35(11):3938-3942 (1994).


  49. Yappert, M.C., Byrdwell, W.C., Borchman, D., "Comparison of Specific Blue and Green Fluorescence in Cataractous Versus Normal Human Lens Fractions", Invest. Ophthalmol. Vis. Sci., 34(3):630-636 (1993).


  50. 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., "Comprehensive Method for Analysis of Vitamin D in Foods", Experimental Biology (EB) Meeting & Expo Abstracts, Abstract #533.19 (2007).


  2. 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).




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


  4. 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). (Invitation)


  5. 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).


  6. 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). (Invitation)


  7. 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).


  8. 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).


  9. 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).


  10. 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).


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


  12. 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).


  13. 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).


  14. 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).


  15. 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).


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


  17. 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).


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


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


  20. 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).


  21. 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).


  22. 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). (Invitation)


  23. 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).


  24. 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).


  25. 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). (Invitation)


  26. 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).


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


  28. 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).


  29. 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).


  30. 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).


  31. 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).


  32. 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).


  33. 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).


  34. 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).


  35. "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).
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