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136.  MALDI-Linear Ion Trap Microprobe MS/MS Studies of the Effects of Dichloroacetate on Lipid Content of Nerve Tissue,” R.R. Landgraf, T.J. Garrett, N. Calcutt, P.W. Stacpoole, and R.A. Yost, Anal. Chem., in press (2007).

 135.  An Automated MALDI Matrix Deposition Method with Inkjet Printing for Imaging Mass Spectrometry,” D.L. Baluya, T.J. Garrett, and R.A. Yost, Anal. Chem., 79, 6882-6867, (2007).

 134.  Utility of Imaging Mass Spectrometry by Matrix-Assisted Laser Desorption and Ionization (MALDI) on an Ion Trap Mass Spectrometer in the Analysis of Drugs and Metabolites in Biological Tissues,” D. Drexler, T.J. Garrett, J.L. Cantone, R.W. Diters, J.G. Mitroka, M.C. Prieto Conaway, S.F. Adams, R.A. Yost, and  M. Sanders, J. Pharmacol. Toxicol. Meth., 55, 279-288 (2007).

 133.  Human Kinetics of Orally and Intravenously Administered Low-Dose 1,2 13C-Dichloroacetate,” M. Jia, B. Coats, M. Chadha, B. Frentzen, J. Perez-Rodriguez, P.A. Chadick, R.A. Yost, G.N. Henderson, and P.W. Stacpoole, J. Clin. Phamacol., 46, 1449-1459, (2006).

 132.  Imaging of Small Molecules in Tissue Sections with a New Intermediate-pressure MALDI Linear Ion Trap Mass Spectrometer,” T.J. Garrett, M.C. Prieto-Conaway, V.Kovtoun, H.Bui, N. Izgarian, G. Stafford, and R.A. Yost, Int. J. Mass Spectrom, 260, 166-176, (2006).

 131.  Analysis of Intact Tissue by Intermediate-Pressure MALDI on a Linear Ion Trap Mass Spectrometer,” T.J. Garrett and R.A. Yost, Anal. Chem., 78, 2465-2469 (2006).

 130.  Quadrupole Mass Analyzers: Theoretical and Practical Considerations,” F.A. Kero, R.E Pedder, and R.A. Yost, Encyclopedia of Genetics, Genomics, Proteomics and Bioinformatics, L. Jorde, M. Dunn, and S. Subramaniam, Eds., John Wiley & Sons, 9pp. (2005) (and on the web at Wiley Interscience).

 129.  Mass Spectral Fragmentation of the Intravenous Anesthetic Propofol and Structurally Related Phenols,” L.K. Bajpai, V. Manoj, C.N. Seubert, R.A. Yost and D.M. Dennis J. Amer. Soc. Mass Spectrom., 16, 814-24 (2005).

 128.  Simultaneous Determination of Trace Levels of Nine Haloacetic Acids in Biological Samples as Their Pentafluorobenzyl Derivatives by Gas Chromatography-Tandem Mass Spectrometry in Electron-Capture Negative Ion Chemical Ionization Mode’” M. Jia, W.W. Wu, R.A. Yost, P.W. Stacpoole, P.A. Chadik, and G.N. Henderson, Anal. Chem., 75, 4065-4080 (2003).

 127.  Synergistic Attraction of Aedes aegypti (L.) to Binary Blends of L-Lactic Acid and Acetone, Dichloromethane, or Dimethyl Disulfide,” U.R. Bernier , D.L. Kline, K.H. Posey, M.M. Booth, R.A. Yost, and D.R. Barnard,  J. Medicinal Entomology, 40(5), 653-656 (2003).

 126.  Parent and Neutral Loss Monitoring on a Quadrupole Ion Trap Mass Spectrometer: Screening of Acylcarnitines in Complex Mixture,” J.E. McClellan, S.T. Quarmby, and R.A. Yost,  Anal. Chem., 74, 5799-5806 (2002).

 125.  Internal Energy Deposition in Chemical Ionization/Tandem Mass Spectrometry,” M.P. Ospina, D.H. Powell, and R.A. Yost, J. Amer. Soc. Mass Spectrom., 14, 102-109 (2002).

 124.  Chemical Analysis of Human Skin Emanations: Comparison of Volatiles from Humans that Differ in Attraction of Aedes aegypti (Diptera: Culicidae) ,” U.R. Bernier, D.L. Kline, C.E. Schreck, R.A. Yost, and D.R. Barnard, J. Am. Mosquito Contr. Assoc., 18(3), 186-195 (2002).

 123.  Effects of Fragile Ions on Mass Resolution and Isolation for Tandem Mass Spectrometry in a Quadrupole Ion Trap,” J.E. McClellan, J.P. Murphy III, J.J. Mulholland, and R.A. Yost, Anal. Chem., 74, 402-412 (2002).

 122.  Interpretation of Electrospray/Ion Trap Mass Spectra of Bile Acids and Other Surfactants,” M.A. Rodriguez and R.A. Yost, Rapid Commun. Mass Spectrom., 14, 1398-1403, (2000).

 121.  Pulsed Helium Introduction into the Quadrupole Ion Trap for Reduced Collisional Quenching and Increased IRMPD Efficiencies," S.M. Bouι, J.L. Stephenson, Jr., and R.A. Yost, Rapid Commun. Mass Spectrom., 14, 1391-1397, (2000).

 120.  Effect of Vacuum on the Performance of the Flame Ionization Detector Used for Vacuum-Outlet Gas Chromatography,” U.R. Bernier , C.L. Bray, and R.A. Yost, J. Microcolumn Sep., 12, 226-235 (2000).

 119.  Analysis of Human Skin Emanations by Gas Chromatography/Mass Spectrometry. 2. Identification of Volatile Compounds that are Candidate Attractants for the Yellow Fever Mosquito (Aedes Aegypti),” U.R. Bernier , D.L. Kline, D.R. Barnard, C.E. Schreck, and R.A. Yost, Anal. Chem., 72, 747-756 (2000).

 118.  Origin of Mass Shifts in the Quadrupole Ion Trap: Dissociation of Fragile Ions Observed with a Hybrid Ion Trap/Mass Filter Instrument,” J.P. Murphy III and R.A. Yost, Rapid Commun. Mass Spectrom., 14, 270-273 (2000).

 117.  Collision-Induced Dissociation Surfaces for n-Alkylbenzene Molecular Ions in a Quadrupole Ion Trap Mass Spectrometer," C. Basic and R.A. Yost, Int. J. Mass Spectrom., 194, 121-132 (2000).

 116.  Detection of Pharmaceutical Compounds in Tissue by Matrix-Assisted Laser Desorption/Ionization (MALDI) and Laser Desorption/Chemical Ionization (LD/CI) MS/MS with a Quadrupole Ion Trap,” F.J. Troendle, C.D. Reddick, and R.A. Yost, J. Am. Soc. Mass Spectrom.,10, 1315-1321 (1999).

 115.  Fundamental Studies of Ion Injection and Trapping of Electrosprayed Ions in a Quadrupole Ion Trap," S.T. Quarmby and R.A. Yost, Int. J. Mass Spectrom., 190-191, 81-102 (1999).

 114.  Analysis of Human Skin Emanations by Gas Chromatography/Mass Spectrometry.  I.  Thermal Desorption of Attractants for the Yellow Fever Mosquito (Aedes aegypti) from Handled Glass Beads,” U.R. Bernier, M.M. Booth, and R.A. Yost, Anal. Chem., 71, 1-7 (1999).

 113.  Electrospray Ionization Tandem Mass Spectrometry Collision-Induced Dissociation Study of Explosives in an Ion Trap Mass Spectrometer,” J. Yinon, J.E. McClellan, and R.A. Yost, Rapid Commun. Mass Spectrom., 11, 1961-1970 (1997).

 112.  Electron Ionization Mass Spectrometric Analysis of 5-Nitro Octaethylporphyrin:  Evidence for Scission of the Porphyrin Macrocycle," J.D. Laycock, J.A. Ferguson, R.A. Yost, J.M.E. Quirke, A. Rohrer, R. Ocampo, and H. Callot, J. Mass Spectrom., 32, 978-983 (1997).

 111.  Mass Spectrometry:  Tandem Mass Spectrometry," C. Basic, S.F. Silverton, and R.A. Yost, Chapter 5 in Stable Isotopes in Pharmaceutical Research, T.R. Browne, Ed., Elsevier, (1997), pp.73-117.

 110.  The Effect of Pulsed Buffer Gas Introduction on Ion Storage and Detection Efficiencies in a Quadrupole Ion Trap," T.L. Williams, J.L. Stephenson, and R.A. Yost, J. Amer. Soc. Mass Spectrom., 8, 532-538 (1997).

 109.  Flavanone Absorption After Naringin, Hesperidin, and Citrus Administration," B. Ameer, R.A. Weintraub, J.V. Johnson, R.A. Yost, and R.L. Rouseff, Clin. Pharmacol. Therap., 60, 34-40 (1996).

 108.  Advanced Automation for Ion Trap Mass Spectrometry:  New Opportunities for Real-time Autonomous Analysis," P.T. Palmer, J.D. Salmonson, C.M. Wong, R.A. Yost, T.P. Griffin, and N.A. Yates, Chapter 2 in Computer  Assisted Analytical Spectroscopy, S.D. Brown, ed., John Wiley, (1996), pp.25-60.

 107.  Characterization of Cycloalkanoporphyrin Skeletal Types Using Electron Ionization Tandem Mass Spectrometry:  Implications for Analysis of Geoporphyrin Mixtures," J.D. Laycock, R.A. Yost, L. Wang, and J.M.E. Quirke, Energy & Fuels, 9, 1079-1085 (1995).

 106.  The Analysis of Biomolecules Using Electrospray Ionization/Ion Trap Mass Spectrometry and Laser Photodissociation," J.L. Stephenson, Jr., M.M. Booth, S.M. Bouι, J.R. Eyler, and R.A. Yost, Chapter 25 in Biological and Biotechnological Applications of Electrospray Ionization Mass Spectrometry, A.P. Snyder, ed., ACS Symposium Series, No. 619, (1996), pp.512-564.

 105.  Trace Determination of Naringenin and Hesperitin by Tandem Mass Spectrometry," R.A. Weintraub, B. Ameer, J.V. Johnson, and R.A. Yost, J. Agric. Food Chem., 8, 1966-1968 (1995).

 104.  Internal Pulsed Valve Sample Introduction on a Quadrupole Ion Trap Mass Spectrometer," B.I. Coopersmith and R.A. Yost, J. Amer. Soc. Mass Spectrom., 6, 976-980 (1995).

 103.  Energetics and Collision-induced Dissociation Efficiencies in the Quadrupole Ion Trap Mass Spectrometer," J.V. Johnson, C. Basic, R.E. Pedder, B.L. Kleintop, and R.A. Yost, Chapter 8 in Practical Aspects of Ion Trap Mass Spectrometry:  Volume 3, Chemical, Environmental, and Biomedical Applications, R.E. March and J.F.J. Todd, ed., CRC Press, (1995), pp.257-312.

 102.  Liquid Chromatography/Mass Spectrometry," B.L. Kleintop, D.M. Eades, Jon A. Jones, and R.A. Yost, Chapter 5 in Practical Aspects of Ion Trap Mass Spectrometry:  Volume 3, Chemical, Environmental, and Biomedical Applications, R.E. March and J.F.J. Todd, ed., CRC Press, (1995), pp.187-214.

 101.  Practical Ion Trap Technology:  GC/MS and GC/MS/MS," N.A. Yates, M.M. Booth, J.L. Stephenson, Jr., and R.A. Yost, Chapter 4 in Practical Aspects of Ion Trap Mass Spectrometry: Volume 3, Chemical, Environmental, and Biomedical Applications, R.E. March and J.F.J. Todd, ed., CRC Press, (1995), pp.121-186.

 100.  Laser Desorption Ion Trap Mass Spectrometry," R.R. Vargas and R.A. Yost, Chapter 6 in Practical Aspects of Ion Trap Mass Spectrometry:  Volume 2, Ion Trap Instrumentation, R.E. March and J.F.J. Todd, ed., CRC Press, (1995), pp.205-236.

 99.  Photodissociation in the Ion Trap," J.L. Stephenson, Jr., and R.A. Yost, Chapter 5 in Practical Aspects of Ion Trap Mass Spectrometry:  Volume 2, Ion Trap Instrumentation, R.E. March and J.F.J. Todd, ed., CRC Press, (1995), pp.163-204.

 98.  Reactions in the Mass Spectrometry of a Hydride Meisenheimer Complex of 2,4,6-Trinitrotoluene (TNT)," J. Yinon, J.V. Johnson, U.R. Bernier, R.A. Yost, H.T. Mayfield, W.C. Mahone, and C. Vorbeck, J. Mass Spectrom., 30, 715-722 (1995).

 97.  Thermal Decomposition Characterization of Explosives by Pyrolysis-Gas Chromatography/Mass Spectrometry (Py-GC/MS)," J. Yinon, R.A. Yost, and S. Bulusu, J. Chromatogr., 688, 231-242 (1994).

 96.  Infrared Multiple Photon Dissociation Studies in the Quadrupole Ion Trap Using a Multi-pass Optical Arrangement," J.L. Stephenson, Jr., M.M. Booth, J.A. Shalosky, J.R. Eyler, and R.A. Yost, J. Amer. Soc. Mass Spectrom., 5, 886-893 (1994).

 95.  Isomerism of Ionized Toluene and Cycloheptatriene Upon Resonant Excitation in a Quadrupole Ion Trap Mass Spectrometer," C. Basic, J.R. Eyler, and R.A. Yost, Org. Mass Spectrom., 29, 329-332 (1994).

 94.  Negative Ionization in Quadrupole Ion Trap Mass Spectrometry: Effects of Applied Voltages and Reaction Times," D.W. Berberich and R.A. Yost, J. Amer. Soc. Mass Spectrom., 5, 757-764 (1994).

 93.  Gas-Phase Ion-Molecule Reactions: A Model for the Determination of Reactive Electrophilic Contaminants in the Environment," J.A. Freeman, J.V. Johnson, R.A. Yost, and D.W. Kuehl, Anal. Chem., 66, 1902-1910 (1994).

 92.  Short-Column Gas Chromatography/Tandem Mass Spectrometry of Underivatized Anabolic Steroids in Urine," S.-A. Rossi, J.V. Johnson, and R.A. Yost, Biol. Mass Spectrom., 23, 131-139 (1994).

 91.  Non-linear Resonance Effects During Ion Storage in a Quadrupole Ion Trap," D.M. Eades, J.V. Johnson, and R.A. Yost, J. Amer. Soc. Mass Spectrom., 4, 917-929 (1993).

 90.  Vacuum Operation of the Flame Ionization Detector for Gas Chromatography," U.R. Bernier and R.A. Yost, J. Chrom. Sci., 31, 358-362 (1993).

 89.  Operation of a Quadrupole Ion Trap Mass Spectrometer for Particle Beam LC/MS," B.L. Kleintop, D.M. Eades, and R.A. Yost, Anal. Chem., 65, 1295-1300 (1993).

 88.  The Stretched Quadrupole Ion Trap:  Implications for the Mathieu az and qz Parameters and Experimental Mapping of the Stability Diagram," J.V. Johnson, R.E. Pedder, and R.A. Yost, Rapid Comm. Mass Spectrom., 6, 760-764 (1992).

 87.  A Dynamic Approach for Studying Redox Reactions:  Electrochemistry On-line with Mass Spectrometry," K.J. Volk, R.A. Yost, A. Brajter-Toth, and J.A. Freeman, Analusis, 20, 421-425 (1992).

 86.  Black Canyons for Ions Stored in an Ion Trap Mass Spectrometer," D.M. Eades and R.A. Yost, Rapid Commun. Mass Spectrom., 6, 573-578 (1992).

 85.  An Expert System/Ion Trap Mass Spectrometry Approach for Life Support Monitoring," P.T. Palmer, C.M. Wong, R.A. Yost, J.V. Johnson, N.A. Yates, and M.A. Story, 22nd International Conference on Environmental Systems, SAE #921173, pp1-13 (1992).

 84.  Probing Trapped Ion Energies via Ion-Molecule Reaction Kinetics: Quadrupole Ion Trap Mass Spectrometry," C. Basic, J.R. Eyler, and R.A. Yost, J. Amer. Soc. Mass Spectrom., 3, 716-726 (1992).

 83.  Optimization of Electron Ionization Short-Column Gas Chromatography/Mass Spectrometry Strategies for Determination of Underivatized Anabolic Steroids," S.-A. Rossi, J.V. Johnson, and R.A. Yost, Biol. Mass Spectrom., 21, 420-430 (1992).

 82.  Electrochemistry On-line with Mass Spectrometry: Insight into Biological Redox Reactions," K.J. Volk, R.A. Yost, and A. Brajter-Toth, Anal. Chem., (Instrumentation Feature), 64, 21A-33A (1992).

 81.  Alternating RF/DC Isolation for Quantitation with Coeluting Internal Standards in Gas Chromatography/Ion Trap Mass Spectrometry," B.L. Kleintop, R.A. Yost, and C.R. Abolin, J. Amer. Soc. Mass Spectrom., 3, 85-88 (1992).

 80.  Carbon Number, Pyrrolic Structure and Sequencing Information of Porphyrin Structure in One Experiment by Desorption Tandem Mass Spectrometry-Relevance for Geoporphyrins," B.D. Beato, R.A. Yost, J.M.E. Quirke, Chem. Geol., 91, 185-92(1991).

 79.  Comparison of Spectroscopic Properties of Metalloporphyrins," K.D. Stanley, R. Lopez de la Vega, J.M.E. Quirke, B.D. Beato, and R.A. Yost, Chem. Geol., 91, 169-183 (1991).

 78.  The Henryville Bed of the New Albany Shale-IV:  Tandem Mass Spectrometric Analyses of Geoporphyrins from the Bitumen of the Demineralized Shale," M.A. Concha, J.M.E. Quirke, B.D. Beato, R.A. Yost, G.E. Mercer, and R.H. Filby, Chem. Geol., 91, 153-168 (1991).

 77.  MS/MS Parent Scans on a Quadrupole Ion Trap Mass Spectrometer by Simultaneous Resonant Excitation of Multiple Ions," J.V. Johnson, R.E. Pedder, and R.A. Yost, Int. J. Mass Spectrom. Ion Proc., 106, 197-212 (1991).

 76.  The Henryville Bed of the New Albany Shale‑III:  Tandem Mass Spectrometric Analyses of Geoporphyrins from Kerogen and Bitumen," B.D.  Beato, R.A. Yost, G.J. vanBerkel, R.H. Filby, and J.M.E. Quirke, Org. Geochem., 17(1), 93-105 (1991).

 75.  Carbamazepine Metabolism in Humans:  Effect of Concurrent Anticonvulsant Therapy," R.E. Ramsay, D.Q. McManus, A. Guterman, T.V. Briggle, R.J. Perchalski, R.A. Yost, and P. Wong, Therap. Drug. Monit., 12, 235-241 (1990).

 74.  Preliminary Characterization of Porphyrins from the Gafsa Basin , Tunisia :  Evidence of Metal‑free Benzo Porphyrins from an Immature Sediment," J.M.E.  Quirke, T. Dale, E.D. Britton, R.A. Yost, J. Trichet, and H. Belayouni,  Org. Geochem., January, 1990. 73.

 73.  Perspectives on the Future of Analytical Mass Spectrometry," C. Basic, J.A. Freeman, and R.A. Yost, Anal. Chem., 62, 1113A-1119A (1990).

 72.  Tandem-in-Space and Tandem-in-Time Mass Spectrometry (MS/MS): Triple Quadrupoles and Quadrupole Ion Traps," J.V. Johnson, R.A. Yost, P.E. Kelley, and D.C. Bradford , Anal. Chem., 62, 2162-2172 (1990).

 71.  Differences in the Low-Energy Collisionally Activated Dissociation of Carboxylate Anions from Structurally Similar Prostaglandins: E2, F, D2 and DHKF," T.A. Gillespie and R.A. Yost, J. Amer. Soc. Mass Spectrom., 1, 389-396 (1990).

 70.  On-Line Mass Spectrometric Study of the Peroxidase-Catalyzed Enzymatic Oxidation of Uric Acid," K.J. Volk, R.A. Yost, and A. Brajter-Toth, J. Pharm. Biomed Anal., 8, 205-215 (1990).

 69.  Tandem Mass Spectrometry: Quadrupole and Hybrid Instruments," R.A. Yost and R.K. Boyd, in Mass Spectrometry (Methods in Enzymology, Vol. 193), J.A. McCloskey, ed., Academic Press (1990), pp. 154-200.

 68.  On-line Mass Spectrometric Insights into Electrochemical Reactions:  Oxidation of Thiopurines," K.J. Volk, R.A. Yost, and A. Brajter-Toth, J. Electrochem. Soc., 137, 1764-1771 (1990).

 67.  MS/MS:  Tandem Mass Spectrometry for Forensic Analysis," D.D. Fetterolf  and R.A. Yost in Analytical Methods in Forensic Chemistry, M.H. Ho, ed.,  Ellis Horwood, (1990), pp.1-15.

 66.  Estimation of Mutagenic/Carcinogenic Potential of Environmental Contaminants by Ion-Molecule Reactions and Tandem Mass Spectrometry," J.A. Freeman, J.V. Johnson, M.E. Hail, R.A. Yost, and D.W. Kuehl, J. Amer. Soc. Mass Spectrom., 1, 110-115 (1990).

 65.  Thermal-Desorption-Tandem Mass Spectrometry for the Detection and Identification of Formulated Products," A.P. Snyder, C.W. Cross, S.A. Liebman, G.A. Eiceman, and R.A. Yost, J. Anal. Appl. Pyrolysis, 16, 191-204 (1989).

 64.  Mass Selection of Reactant Ions for Chemical Ionization in Quadrupole Ion  Trap and Triple Quadrupole Tandem Mass Spectrometers," D.W. Berberich , M.E. Hail, J.V. Johnson, and R.A. Yost, Int. J. Mass Spectrom. Ion Proc.,  94, 115-147 (1989).

 63.  Compact Gas Chromatograph Probe for Gas Chromatography/Mass  Spectrometry Utilizing Short Resistively‑Heated Aluminum‑Clad Capillary  Columns," M.E. Hail and R.A. Yost, Anal. Chem., 61, 2410-2416 (1989).

 62.  Theoretical and Practical Aspects of Short Columns in Capillary Gas Chromatography/Mass Spectrometry," M.E. Hail and R.A. Yost, Anal. Chem.,  61, 2402-2410 (1989).

 61.  Doubly Charged Porphyrin Ion Tandem Mass Spectrometry: Implications for Structure Elucidation," B.D. Beato, R.A. Yost, and J.M.E. Quirke, Org. Mass Spectrom., 24, 875-884 (1989).

 60.  Studies of Phthalic Acid and Related Compounds by Positive and Negative  Chemical Ionization Tandem Mass Spectrometry", T.A. Gillespie, L. Urogdi,  A.R. Katritzky and R.A. Yost, Org. Mass Spectrom., 24, 817-822 (1989).

 59.  Gas Chromatographic Sample Introduction into the Collision Cell of a Triple Quadrupole Mass Spectrometer for Mass‑selection of Reactant Ions  for Charge Exchange and Chemical Ionization," M.E. Hail, D.W. Berberich,  and R.A. Yost, Anal. Chem., 61, 1874-1879 (1989).

 58.  On‑Line Electrochemistry/Thermospray/Tandem Mass Spectrometry as a New  Approach to the Study of Redox Reactions: The Oxidation of Uric Acid," K.J. Volk, R.A. Yost, and A. Brajter‑Toth, Anal. Chem., 61, 1709-1717 (1989).

 57.  Dimethyl Disulfide Derivatives of Long‑Chain Alkenes and Alkadienes for Gas Chromatography-Mass Spectrometry," D.A. Carlson, C.‑S. Roan, and R.A. Yost, and J. Hector, Anal.  Chem., 61, 1564-1571 (1989).

 56.  Characterization of Solution‑Phase and Gas‑Phase Reactions in On‑Line Electrochemistry/ Thermospray/Tandem Mass Spectrometry," K.J. Volk, A. Brajter‑Toth, and R.A. Yost, J. Chromatogr,, 474, 231-240 (1989).

 55.  Chemical Ionization and Tandem Mass Spectrometry with the Quadrupole Ion  Trap Mass Spectrometer," J.V. Johnson, D.W. Berberich, R.E. Pedder, and  R.A. Yost, Adv. Mass Spectrom., 11, (1989).

 54.  On‑Line Electrochemistry/Thermospray/Tandem Mass Spectrometry: A New Approach for Studying Electrochemical and Biochemical Redox Reactions,"  R.A. Yost, K.J. Volk, M.S. Lee, and A. Brajter‑Toth, Adv. Mass Spectrom., 11, (1989).

 53.  Studies on High Carbon‑Number Geoporphyrins by Tandem Mass Spectrometry,"  J.M.E. Quirke, L.L. Questa, R.A. Yost, J.V. Johnson, and E.D. Britton, Org. Geochem., 14, 43-50 (1989).

 52.  Concentrations of Tryptoline and Methtryptoline in Rat Brain", P.  Peura, J.V. Johnson, R.A. Yost, and K.F. Faull, J. Neurochem., 52, 847-852 (1989).

 51.  Hydrocarbon‑Type Analysis of Jet Fuel with Gas Chromatography/Mass Spectrometry," M.J. Gehron and R.A. Yost, in Novel Techniques in Fossil Fuel  Mass Spectrometry, T.R. Ashe and K. V. Wood, eds., ASTM, (1989), pp. 24‑37.

 50.  The Effect of Metal Atoms on Electron Ionization and Ammonia Chemical  Ionization Mass Spectra of Metalloporphyrins:  Implications for Geoporphyrin Analysis," B.D. Beato, R.A. Yost, and J.M.E. Quirke, in Novel Techniques in Fossil Fuel Mass Spectrometry, T.R. Ashe and K. V. Wood, eds., ASTM, (1989), pp. 84-93.

 49.  Tandem Mass Spectrometry for the Determination of Trace Steranes in Crude  Shale Oil," J.V. Johnson, R.A. Yost, and C.M. Wong, in Novel Techniques in Fossil Fuel Mass Spectrometry, T.R. Ashe and K. V. Wood, eds., ASTM,  (1989), pp. 47‑58.

 48.  Degradation of N‑Methylcarbamate and Carbamoyloxime Pesticides in Chlorinated Water," C.J. Miles, M.L. Trehy, and R.A. Yost, Bull. Environ.  Contam. Toxicol., 41, 836-843 (1988).

 47.  Coburning in Institutional Incinerators", A. Green, G. Prine, R.A. Yost,  et al., in Thermal Treatment of Municipal, Industrial, and Hospital Wastes, American Pollution Control Association, (1988), pp. 61‑81.

 46.  Amino Acids as Model Compounds for Halogenated Byproducts Formed on Chlorination of Natural Waters," M.L. Trehy, R.A. Yost, and C.J. Miles, in Biohazards of Drinking Water Treatment, R.A. Larson, ed., Lewis Publishers, Chapter 11, (1988).

 45.  Tandem Mass Spectrometric Analyses of Geoporphyrins," J.M.E. Quirke, M.  Perez, E.D. Britton, and R.A. Yost in Geochemical Biomarkers, T.F. Yen and  J.M. Moldowan, eds., Ellis Horwood (1988), pp. 355‑371.

 44.  Forensic Analysis of Explosives by Thermospray Liquid Chromatography/Mass  Spectrometry and Tandem Mass Spectrometry," D.W. Berberich, R.A. Yost, and  D.D. Fetterolf, J. Forensic Sci., 33, 946‑959 (1988).

 43.  Quadrupole Ion Trap Mass Spectrometry:  Progress and Prospects," R.A. Yost, Spectra, 11(2), 2‑3, (1988).

 42.  Electrochemistry/Thermospray/Tandem Mass Spectrometry in the Study of Biooxidation of Purines," K.J. Volk, M.S. Lee, R.A. Yost, A. Brajter‑Toth,  Anal. Chem., 60, 720-722(1988).

 41.  Rapid Identification of Drug Metabolites with Tandem Mass Spectrometry,"  M. Lee and R.A. Yost, Biomed. Environ. Mass Spectrom., 15, 193‑204 (1988). 

 40.  Identification of PCB Congeners by Collision‑Induced Dissociation of (M+O‑Cl) from Oxygen‑Enhanced Negative Chemical Ionization," R.  Guevremont, R.A. Yost, and W.D. Jamieson, Biomed. Env. Mass Spectrom., 14,  435‑441 (1987).

 39.  GC/MS/MS for the Simultaneous Determination of Indoleamines and Tryptolines (Tetrahydro‑β‑carbolines)," in Crude Extracts of Rat Brain," J.V.  Johnson, R.A. Yost, K.F. Faull, and O. Beck, Adv. Mass Spectrom., 10, 1463-1464 (1986).

 38.  Tandem Mass Spectrometry for Biomedical and Pharmaceutical Analysis,"  R.A. Yost, Adv. Mass Spectrom., 10, (1986).

 37.  Biotransformation and Excretion:  Metabolite Identification:  Other Mass  Spectrometric Methods," R.J. Perchalski, M. Lee, and R.A. Yost, J. Clin.  Pharmacol., 26, 435‑442 (1986).

 36.  Purification and Quantification of Arachidonate Metabolites:  Critical  Evaluation of Methodologies and Interpretation of Results,"  C.‑Y.  Wu‑Wang, J. Neu, T.A. Gillespie, and R.A. Yost, Semin. Perinat., 10, 255‑  269 (1986).

 35.  Tandem Mass Spectrometry of Organophosphate and Carbamate Pesticides,"  S.V. Hummel and R.A. Yost, Org. Mass Spectrom., 21, 785‑791 (1986).

 34.  Chlorination By‑Products of Amino Acids in Natural Waters," M.L. Trehy,  R.A. Yost, and C.J. Miles, Environ. Sci. Technol., 20, 1117‑1122 (1986).

 33.  Triple Quadrupole MS/MS in Biomedical Research," J.V. Johnson, M.S. Lee,  M.R. Lee, H.O. Brotherton, and R.A. Yost in Mass Spectrometry in Biomedical Research, S.J. Gaskell, ed., John Wiley & Sons, (1986), pp. 459‑475.

 32.  Tandem Mass Spectrometry for the Identification of Drug Metabolites,"   M.S. Lee, R.A. Yost, and R.J. Perchalski, Annu. Rep. Med. Chem., 21, 313‑321 (1986).

 31.  Tandem Mass Spectrometry for the Characterization of High Carbon‑Number  Geoporphyrins," J.V. Johnson, E.D. Britton, R.A. Yost, J.M.E. Quirke, and  L.L. Cuesta, Anal. Chem., 58, 1325‑1329 (1986).

 30.  Short Open Tubular Columns in Gas Chromatography/Mass Spectrometry," M.L. Trehy, R.A. Yost, and J.G. Dorsey), Anal. Chem., 58, 14‑19 (1986). 

 29.  An Evaluation of Triple Quadrupole Mass Spectrometry/Mass Spectrometry  (MS/MS) for On‑Line Gas Analysis of Trace Sulfur Compounds from Oil Shale  Processing," C.M. Wong, R.W. Crawford, and R.A. Yost in Mass Spectrometric  Characterization of Shale Oils, T. Aczel, ed., ASTM, (1986), pp. 106‑120.

 28.  More on Mass Spectrometers and Aerosol Propellants," G.J. Theisen, N. Gravenstein, A.K. Knudsen, J.V. Johnson, and R.A. Yost, Anesthesiology,  63, 569‑570 (1985).

 27.  The Use of Tandem Mass Spectrometry for the Identification and Quantitation of Tryptolines (Tetrahydro‑β‑carbolines) in Tissue Extracts,"  J.V.  Johnson, R.A. Yost, K.F. Faull, and O. Beck, Prog. Clin. Biol. Res., 183,  161‑177 (1985).

 26.  Chiral Analysis of Urinary 5‑Hydroxymethtryptoline:  Implications for Endogenous Biosynthesis and Formation During Ethanol Intoxication," O.  Beck, K.F. Faull, J.D. Barchas, J.V. Johnson, and R.A. Yost, Prog. Clin.  Biol. Res., 183, 145‑160 (1985).

 25.  Tandem Mass Spectrometry for Trace Analysis," J.V. Johnson and R.A. Yost,  Anal. Chem., 57, 758A‑768A (1985).

 24.  Added Resolution Elements for Greater Informing Power in Tandem Mass Spectrometry," D.D. Fetterolf and R.A. Yost, Int. J. Mass Spectrom. Ion  Proc., 62, 33‑49 (1984).

 23.  Rapid Screening and Confirmation for Drugs and Metabolites in Racing  Animals by Tandem Mass Spectrometry," H.O. Brotherton and R.A. Yost, Am.  J. Vet. Res., 45, 2436‑2440 (1984).

 22.  Pharmaceutical and Clinical Analysis by Tandem Mass Spectrometry," R.A. Yost, H.O. Brotherton, M.B. Budd, J.V. Johnson, and R.J. Perchalski, Talanta, 31, 929‑935 (1984).

 21.  Comparison of Mass Spectrometric Methods for Trace Level Screening of   Hexachlorobenzene and Trichlorophenol in Human Blood Serum and Urine,"  R.A. Yost, D.D. Fetterolf, J.R. Hass, D.J. Harvan, A.F. Weston, P.A. Skotnicki, and N.A. Simon, Anal. Chem., 56, 2223‑2228 (1984).

 20.  Quantitative Measurement of Octopamines and Synephrines in Urine Using  Capillary Column Gas Chromatography Negative Ion Chemical Ionization Mass Spectrometry," K.E. Ibrahim, J.M. Midgley, M.W. Crouch, M.B. Budd, R.A.  Yost, and C.M. Williams), Anal. Chem., 56, 1695‑1699 (1984).

 19.  Tandem Mass Spectrometry for the Trace Determination of Tryptolines in  Crude Brain Extracts," J.V. Johnson, R.A. Yost, and K.F. Faull, Anal. Chem., 56, 1655‑1661 (1984).

 18.  Determination of Atmospheric Degradation Products of Toluene by Tandem  Mass Spectrometry," R.J. O'Brien, B.E. Dumdei, and S.V. Hummel, and R.A. Yost, Anal. Chem., 56, 1329‑1335 (1984).

 17.  Determination of Aldicarb, Aldicarb Oxime, and Aldicarb Nitrile in Water  by Gas Chromatography/Mass Spectrometry," M.L. Trehy, R.A. Yost, and J.J.  McCreary, Anal. Chem., 56, 1281‑1285 (1984).

 16.  The Use of Reactive Collisions in Tandem Mass Spectrometry for the Differentiation of Isomeric Ion Structures," D.D. Fetterolf, R.A. Yost, and  J.R. Eyler, Org. Mass Spectrom., 19, 104‑105 (1984).

 15.  Tandem Mass Spectrometry (MS/MS)," R.A. Yost, Spectra, 9(4), 5‑9 (1983).

 14.  Oxygen Fixation into Hydroxyproline in Etiolated Maize Seedlings: Verification by Tandem Mass Spectrometry," G.J. Fritz, D.D. Fetterolf, R.A.  Yost, and B.D. Andresen, Plant Physiol., 73, 860‑861 (1983).

 13.  Laser Desorption Chemical Ionization Mass Spectrometry/Mass Spectrometry," R.J. Perchalski, R.A. Yost, and B.J. Wilder, Anal. Chem., 55, 2002‑2005 (1983).

 12.  Tandem Quadrupole Mass Spectrometry," R.A. Yost and C.G. Enke, Chapter 8 in Tandem Mass Spectrometry (MS/MS), F.W. McLafferty ed., John Wiley,  (1983), pp. 175‑195.

 11.  Tandem Mass Spectrometry (MS/MS) Instrumentation," R.A. Yost and D.D. Fetterolf, Mass Spectrom. Rev., 2, 1‑45 (1983).

 10.  Determination Of Regional Distribution of Drugs in Brain-tissue by Triple Quadrupole Mass-spectrometry,” R.J. Perchalski, R.A. Yost, E.J. Hammond, B.J. Wilder, Epilepsia, 24, 112 (1983).

 9.  Determination of Drugs in Blood Serum by Mass Spectrometry/Mass Spectrometry," H.O. Brotherton and R.A. Yost, Anal. Chem., 55, 549‑553 (1983).

 8.  Tandem Mass Spectrometry for Studies of Drug Action and Metabolism," R.A. Yost, H.O. Brotherton, and R.J. Perchalski, Int. J. Mass Spectrom. Ion  Phys., 48, 77‑80 (1983).

 7.  Energy‑Resolved Collision‑Induced Dissociation in Tandem Mass Spectrometry," D.D. Fetterolf and R.A. Yost, Int. J. Mass Spectrom. Ion Phys., 44, 37‑50 (1982).

 6.  Structural Elucidation of Drug Metabolites by Triple Quadrupole Mass Spectrometry," R.J. Perchalski, R.A. Yost, and B.J. Wilder, Anal. Chem.,  54, 1466‑1471 (1982).

 5.  An Added Dimension for Structure Elucidation Through Triple Quadrupole  Mass Spectrometry," R.A. Yost and C.G. Enke, Amer. Lab., 13(6), 88‑95 (1981); also in Int. Lab., (9), 76‑82 (1981).

 4.  The Fragmentation of the Ions of Nonan‑4‑one: A Study by Triple Quadrupole Mass Spectrometry," R.A. Yost and C.G. Enke, Org. Mass Spectrom., 16, 171‑175 (1981).

 3.  Triple Quadrupole Mass Spectrometry for Direct Mixture Analysis and Structure Elucidation," R.A. Yost and C.G. Enke, Anal. Chem., 51, 1251A‑1264A (1979); also in Instrumentation in Analytical Chemistry, Vol. 2,  S.A. Borman, ed., American Chemical Society, (1982).

 2.  High Efficiency Collision‑Induced Dissociation in an RF‑Only Quadrupole,"  R.A. Yost, C.G. Enke , D.C. McGilvery, D. Smith, and J.D. Morrison, Int. J.  Mass Spectrom. Ion Phys., 30, 127‑136 (1979).

 1.  "Selected Ion Fragmentation with a Tandem Quadrupole Mass Spectrometer," R.A. Yost and C.G. Enke, J. Amer. Chem. Soc., 100, 2274‑2275 (1978).