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Publcations | 2000-2004

  1. T. Pradeep, C. Evans, J. W. Shen, R. G. Cooks, “Adsorbate Geometry Distinction in Arenethiols by Ion Surface Reactive Collisions” J. Phys. Chem. B 103, 5304-5310 (1999), doi: 10.1021/jp9903099
  2. Tao, W. A.; Zhang, D.; Wang, F.; Thomas, P. D.; Cooks, R. G. Kinetic resolution of D, L-amino acids based on gas-phase dissociation of copper(II) complexes. Anal. Chem., 71, 4427-4429 (1999), doi: 10.1021/ac990530h
  3. Ethan R. Badman and R. Graham Cooks "Miniature Mass Analyzers" J. Mass Spectrom. 35, 659-671 (2000). doi: 10.1002/1096-9888(200006)35:6<659::AID-JMS5>3.0.CO;2-V
  4. Wolfgang R. Plass, Lynn A. Gill, Huy A. Bui and R. Graham Cooks, “Ion Mobility Measurement by DC Tomography in an RF Quadrupole Ion Trap” J. Phys. Chem. A. 104, 5059-5065 (2000). doi: 10.1021/jp994356c
  5. W. A. Tao, Duxi Zhang, R. Graham Cooks and Eugene N. Nikolaev, “Copper (II)-Assisted Kinetic Resolution of D, L-Amino Acids: A Model System for Chiral Recognition in the Gas Phase” J.Am.Chem. Soc. 122, 10598-10609 (2000). doi: 10.1021/ja000127o
  6. Ethan R. Badman and R. Graham Cooks "A Parallel Miniature Cylindrical Ion Trap Array", Anal. Chem. 72, 3291-3297 (2000). doi: 10.1021/ac000109p
  7. T. Pradeep, Shuguang Ma, Jianwei Shen, Joseph S. Francisco and R. Graham Cooks, "Activation of Dioxygen by Halocarbon Ions ", J. Phys. Chem. A, 104, 6804-6808 (2000). doi: 10.1021/jp001682f
  8. J. M. Wells, W. R. Plass, and R. G. Cooks, "Control of Chemical Mass Shifts in the Quadrupole Ion Trap through Selection of Resonance Ejection Working Point and RF Scan Direction" Anal. Chem. 72, 2677-2683 (2000). doi: 10.1021/ac0002487
  9. Ethan R. Badman and R. Graham Cooks, "Cylindrical Ion Trap Array with Mass Selection by Variation in Trap Dimensions" Anal. Chem. 72, 5079-5086 (2000). doi: 10.1021/ac000377n
  10. W. A. Tao, X. Zheng and R. Graham Cooks, "Synthesis of B,NO-Containing Heterocycles via Reaction of an Aminoborinium Ion with Cyclic Acetals and Ketals" J. Mass Spectrom. 35, 1215-1221 (2000). doi: 10.1002/1096-9888(200010)35:10<1215::AID-JMS53>3.0.CO;2-6
  11. D. Zhang, W. A. Tao and R. Graham Cooks, "Chiral Resolution of D, L-Amino Acids by Tandem Mass Spectrometry of Ni(II)-bound Trimeric Complexes" International Journal of Mass Spectrometry 204(1-3), 159-169 (2001). doi: 10.1016/S1387-3806(00)00330-4
  12. Jormarie Alvarez, Jeff W. Denault and R. Graham Cooks, "Fluorinated Methyl Cation (CF3+, CFH2+)/Alkyl Nitrile Cluster Ions" Journal of Mass Spectrometry 35(12), 1407-1415 (2000). doi: 10.1002/1096-9888(200012)35:12<1407::AID-JMS72>3.0.CO;2-V
  13. Jeffry W. Denault, Chris Evans, Kim J. Koch and R. Graham Cooks "Surface Modification using a Commercial Triple Quadrupole Mass Spectrometer" Anal. Chem. 72, 5798 - 5803 (2000). doi: 10.1021/ac0005823
  14. Jeffry W. Denault, Feng Wang, R. Graham Cooks, Fabio C. Guzzo and M. N. Eberlin "Structural Characterization of Clusters Formed from Alkyl Nitriles and the Methyl Cation" J. Phys. Chem.A, 104, 11290 - 11296 (2000). doi: 10.1021/jp002178d
  15. Nathan Wade, Chris Evans, Federico Pepi, and R. Graham Cooks "Collisions of Silylium Cations with Hydroxyl-Terminated and other Self-Assembled Monolayer Surfaces: Reactions, Dissociation, and Surface Characterization" J. Phys. Chem. B, 104, 11230 - 11237 (2000). doi: 10.1021/jp002405b
  16. W. Andy Tao and R. Graham Cooks, "Parallel Reactions for Enantiomeric Quantification of Peptides by Mass Spectrometry" Angew. Chem. Int. Ed. 40, 757 - 760 (2001). doi: 10.1002/1521-3773(20010216)40:4<757::AID-ANIE7570>3.0.CO;2-H
  17. W. Andy Tao, Lianming Wu, R. Graham Cooks, "Rapid Enantiomeric Determination of "-Hydroxy Acids by Electrospray Ionization Tandem Mass Spectrometry", Chem. Commun. 20, 2023-2024 (2000). doi: 10.1039/b006277o
  18. R. Graham Cooks, D. Zhang, Kim J. Koch, F. C. Gozzo and M. N. Eberlin, "Chiroselective Self-Directed Octamerization of Serine: Implications for Homochirogenesis" Anal. Chem. 73, 3646 -3655 (2001). doi: 10.1021/ac010284l
  19. Xubin Zheng, W. Andy Tao, R. Graham Cooks, "Eberlin Reaction of Arylsulfenium Cations with Cyclic Acetals and Ketals: Ring Contraction and Cycloreversion", J. Chem. Soc. Perkin Trans. 2, 350 - 355 (2001).
  20. Ethan R. Badman and R. Graham Cooks, "Cylindrical Ion Trap Array/Electron Multiplier Array: Steps Towards High Throughput Mass Spectrometric Analysis" Analytical Chemistry 72(20), 5079-5086 (2001). doi: 10.1021/ac000377n
  21. Nathan Wade, Jianwei Shen, Jere Koskinen and R. Graham Cooks "Reactions of BBrn+ (n = 0 - 2) at Fluorinated and Hydrocarbon Self-Assembled Monolayer Surfaces: Observations of Chemical Selectivity in Ion/Surface Scattering" J. Mass Spectrom. 36, 717 - 725 (2001). doi: 10.1002/jms.177
  22. R. Graham Cooks, E. Gelpi and N. M. M. Nibbering, "International Mass Spectrometry Society (IMSS)" J. Mass Spectrom. 36 119-123 (2001). doi: 10.1002/jms.131
  23. Verena Grill, Jianwei Shen, Chris Evans and R. Graham Cooks, "Collisions of Ions with Surfaces at Chemically Relevant Energies: Instrumentation and Phenomena" Rev. Sci. Instrum. 72, 3149-3179 (2001). doi: 10.1063/1.1382641
  24. Yong-Ill Lee, Sung-Chan Jo, W. Andy Tao and R.G. Cooks, "Metal-assisted esterification of glutaric acid-iron (II) complexes in the gas phase" Rapid Commun. Mass Spectrom. 15, 484-488 (2001). doi: 10.1002/rcm.254
  25. W. Andy Tao, Lianming Wu, R. Graham Cooks, "Differentiation and Quantitation of Isomeric Dipeptides by Low-Energy Dissociation of Copper(II)-Bound Complexes" J. Amer. Soc. Mass Spectrom. 12, 490-496 (2001). doi: 10.1016/S1044-0305(01)00237-9
  26. Zoltan Takats, Kimberly J. Koch and R. Graham Cooks, "Organic Chloramine Analysis and Free Chlorine Quantification by Electrospray and Atmospheric Pressure Chemical Ionization Tandem Mass Spectrometry" Anal. Chem. 73, 4522-4529 (2001). doi: 10.1021/ac010338r
  27. Leah S. Riter, Zoltan Takats, and R. Graham Cooks, "Single-sided Membrane Introduction Mass Spectrometry for on-line Determination of Semi-volatile Compounds in Air" Analyst 126, 1980 -1984 (2001). doi: 10.1039/b105857f
  28. Xubin Zheng, W. Andy Tao, R. Graham Cooks, "Investigation of Gas-Phase SN2 Reactivity of Dicoordinated Borinium Cations Using Pentaquadrupole Mass Spectrometry" J. Am. Soc. Mass Spectrom. 12, 948-955 (2001). doi: 10.1016/S1044-0305(01)00278-1
  29. Kim J. Koch, F. Gozzo, D. Zhang, M. N. Eberlin and R. Graham Cooks, " Serine octamer metaclusters: Formation, structure elucidation and implications for homochiral polymerization " Chem. Commun. 1854-1855 (2001). doi: 10.1039/b107148n
  30. Leah S. Riter, Zoltan Takats, and R. Graham Cooks, "High Surface Area Membrane Introduction Mass Spectrometry for Analysis of Volatile and Semi-Volatile Organic Compounds in Air " Rapid Commun. Mass Spectrom. 15, 1520-1524 (2001). doi: 10.1002/rcm.401
  31. Laurence Charles, Leah S. Riter, and R. Graham Cooks, "Direct Analysis of Semi-volatile Organic Compounds in Air by Atmospheric Pressure Chemical Ionization Mass Spectrometry" Anal. Chem. 73, 5061-5065 (2001). doi: 10.1021/ac010606l
  32. Leah S. Riter, Laurence Charles, Maciej Turowski and R. Graham Cooks, " External Interface for Trap-and-Release Membrane Introduction Mass Spectrometry Applied to the Detection of Inorganic Chloramines and Chlorobenzenes in Water " Rapid Commun. Mass Spectrom. 15, 2290-2295 (2001). doi: 10.1002/rcm.489
  33. W. Andy Tao, Lianming Wu, R. Graham Cooks, Feng Wang, John A. Begley, Bernhard Lampert "Rapid Enantiomeric Quantification of An Antiviral Nucleoside Agent (D,L-FMAU, 2’-fluoro-5-methyl-$- D,L-arabinofuranosyluracil) by Mass Spectrometry" J. Med. Chem. 44, 3541-3544 (2001). doi: 10.1021/jm0155547
  34. Chris Evans, Nathan Wade, Federico Pepi, Greg Strossman, Tom Schuerlein and R. Graham Cooks, "Surface Modification and Patterning using Low Energy Ion Beams: Si-O Bond Formation at the Vacuum/Adsorbate Interface” Analytical Chemistry 74(2), 317-323 (2002). doi: 10.1021/ac010928p
  35. Taufika Islam Williams, Jeff W. Denault and R. Graham Cooks, "Proton Affinity of Deuterated Aceonitrile Estimated by the Kinetic Method with Full Entropy Analysis" Int. J. Mass Spectrom. 210/211, 133 -146 (2001). doi: 10.1016/S1387-3806(01)00455-9
  36. N. Wade, B. Gologan, A. Vincze, R. G. Cooks, D. M. Sullivan and M. L. Bruening, Esterification and ether formation at a hydroxyl-terminated self-assembled monolayer surface using low-energy collisions of polyatomic cations, Languimir, 18(12), 4799-4808 (2002). doi: 10.1021/la020080f
  37. W. Andy Tao and R. Graham Cooks, "Chiral Analysis by Mass Spectrometry" Anal. Chem. 75, 25A – 31A (2003), doi: 10.1021/ac0312110
  38. N. Wade, C. Evans, S. Jo, and R. G. Cooks, "Silylation of an OH-Terminated Self-Assembled Monolayer Surface through Low-Energy Collisions of Ions: A Novel Route to Synthesis and Patterning of Surfaces" J. Mass Spectrom. 37 591-602 (2002). doi: 10.1002/jms.317
  39. Kim J. Koch, Fabio C. Gozzo, Sergio Nanita, Z. Takats, Marcos N. Eberlin, and R. Graham Cooks" Chiral Transmission between Amino Acids: Chirally-Controlled Amino Acid Substitution in the Serine Octamer as a Possible Step in Homochirogenesis " Angew. Chem. Int Ed. 41 1721 – 1724 (2002). doi: 10.1002/1521-3773(20020517)41:10<1721::AID-ANIE1721>3.0.CO;2-5
  40. Zheng Ouyang, Verena Grill, Jormarie Alvarez, Christopher H. Doerge, Luca Gianelli, Peter Thomas, Henry W. Rohrs, R. Graham Cooks, "QoqoQ Tandem Mass Spectrometer for the Study of Ion/Surface Collision Processes", Rev. Sci. Instrum. 2002, 73, 2375-2391. doi: 10.1063/1.1476718
  41. W. Andy Tao, Eugene N. Nikolaev, R. Graham Cooks, “Chiral Preferences in the Dissociation of Homogeneous Amino Acid/ Metal Ion Clusters”, Eur. J. Mass Spectrom. (2002), 8, 107-115. doi: 10.1255/ejms.478
  42. Lianming Wu, W. Andy Tao, and R. G. Cooks, “Ligand and Metal Ion Effects in Metal Ion Clusters Used for Chiral Analysis of a-Hydroxy Acids by the Kinetic Method”, Analytical and Bioanalytical Chemistry, 373, 618-627, 2002. doi: 10.1007/s00216-002-1356-1
  43. W. A. Tao, R. L. Clark and R. G. Cooks “Quotient Ratio Method for Quantitative Enantiomeric Determination by Mass Spectrometry” Anal. Chem. 2002, 74, 3783 - 3789. doi: 10.1021/ac0201124
  44. D. V. Augusti, F. Carazza R. Augusti, W. A. Tao and R. G. Cooks, “Rapid quantitative chiral analysis of sugars by electrospray ionization tandem mass spectrometry using modified amino acids as chiral reference compounds” Anal. Chem. 2002, 74, 3458 - 3462. doi: 10.1021/ac020135i
  45. X. Zheng, R. Augusti, W. A. Tao and R. G. Cooks “The Kinetic Method: Thermochemical Determinations and Chiral Analysis” Encyclopedia of Mass Spectrometry, (eds. R. M. Caprioli and M. L. Gross), John Wiley and Sons, Chichester, UK vol. 5 Chemistry and Physics of Gaseous Ions (ed. P. B. Armentrout), pp. 350 - 361.
  46. Daniella V. Augusti, Rodinei Augusti, Fernando Carazza and R. Graham Cooks, “Quantitative Determination of the Enantiomeric Composition of Thalidomide Solutions by Electrospray Ionization Tandem Mass Spectrometry”, Chem. Commun., 2002, 19, 2242 - 2243. doi: 10.1039/b204421h
  47. Kim J. Koch, Tenna Aggerholm, Sergio C. Nanita, R. Graham Cooks "Clustering of nucleobases with alkali metals studied by electrospray ionization tandem mass spectrometry: implications for mechanisms of multistrand DNA stabilization" J. Mass Spectrom. 2002, 37, 676-686. doi: 10.1002/jms.326
  48. Hongyan Li, Yanan Peng, Wolfgang R. Plass and R. Graham Cooks, “Chemical Mass Shifts in Quadrupole Ion Traps as Characteristic Features of Nitroaromatic Compounds” Int. J. Mass Spectrom. (2003), 222, 481-491. doi: 10.1016/S1387-3806(02)00959-4
  49. Hongyan Li, Wolfgang Plass, Garth E. Patterson and R. Graham Cooks, “Chemical Mass Shifts in Resonance Ejection Experiments in Quadrupole Ion Traps”, J. Mass Spectrom. 2002 37 1051 – 1058. doi: 10.1002/jms.364
  50. Xubin Zheng, W. Andy Tao, R. Graham Cooks, “Enantiomeric Excess Quantification by Mass Spectrometry”, J. Chem. Educ.
  51. R. Graham Cooks, Verena Grill, Nathan Wade, Sung-Chan Jo and Bodgan Gologan, "Collisions of Ions with Surfaces at Hyperthermal Energies” Encyclopedia of Mass Spectrometry, (eds. R. M. Caprioli and M. L. Gross), John Wiley and Sons, Chichester, UK vol. 5 Chemistry and Physics of Gaseous Ions (ed. P. B. Armentrout), p. 479 – 490 .
  52. Garth E. Patterson, Andrew J. Guymon, Leah S. Riter, Mike Everly, Jens Griep-Raming, Brian C. Laughlin, Zheng Ouyang, and R. Graham Cooks, “A Miniature Cylindrical Ion Trap Mass Spectrometer” Anal. Chem. 2002, 74, 6145 - 6153. doi: 10.1021/ac020494d
  53. Leah S. Riter, Yanan Peng, Robert J. Noll, Garth E. Patterson, Tenna Aggerholm and R. Graham Cooks, “Analytical Performance of a Miniature Cylindrical Ion Trap Mass Spectrometer”, Anal. Chem. 2002, 74, 6154 - 6162. doi: 10.1021/ac0204956
  54. X. Zheng and R. Graham Cooks, “Thermochemical Determinations by the Kinetic Method with Direct Entropy Correction”, J. Phys. Chem. A 2002, 106, 9939 - 9946 doi: 10.1021/jp020595f
  55. Thomas A. Blake, Xubin Zheng, Tenna Aggerholm, Frants R. Lauritsen and R. Graham Cooks, “Pentachlorophenol Analysis by Negative Ion Chemical Ionization with Membrane Introduction Mass Spectrometry” The Analyst, 2002, 127 1463 - 1466. doi: 10.1039/b206350f
  56. Wolfgang R. Plass, Hongyan Li, and R. Graham Cooks, “Theory, Simulation and Measurement of Chemical Mass Shifts in RF Quadrupole Ion Traps”, Int. J. Mass Spectrom. (2003), 228, 237-267. doi: 10.1016/S1387-3806(03)00216-1
  57. Wolfgang R. Plass and R. Graham Cooks, "A Model for Energy Transfer in Inelastic Molecular Collisions Applicable at Steady State or Non-Steady State and for an Arbitrary Distribution of Collision Energies" J. Am. Soc. Mass Spectrom. 2003, 14, 1348-1359. doi: 10.1016/j.jasms.2003.08.012
  58. Zoltan Takats, Sergio C. Nanita, Gitta Schlosser, Karoly Vekey and R. Graham Cooks "Amino Acid Clusters Formation by Sonic Spray Ionization", Anal. Chem. 2003, 75, 1514 -1523. doi: 10.1021/ac0260793
  59. L. Wu, J. W. Denault, R. G. Cooks, L. Drahos, and K.Vékey, titled “Alkali Halide Cluster Dissociation Examined by the Kinetic Method: Heterolytic Bond Dissociation Energies, Effective Temperatures and Entropic Effects” J. Am. Soc. Mass Spectrom. 2002, 13, 1388-1395. doi: 10.1016/S1044-0305(02)00704-3
  60. Tenna Aggerholm, Sergio C. Nanita, Kim J. Koch, and R. G. Cooks, "Clustering of Nucleosides in the Presence of Alkali Metals. Biologically Relevant Quartets of Guanosine, Deoxyguanosine and Uridine Observed by Electrospray Ionization Tandem Mass Spectrometry”, J. Mass Spectrom. 2003, 38, 87-97. doi: 10.1002/jms.405
  61. Leah S. Riter, Brian C. Laughlin, Eugene Nikolaev and R. Graham Cooks, “Direct Analysis of Volatile Organic Compounds in Human Breath using a Miniaturized Cylindrical Ion Trap Mass Spectrometer with a Membrane Inlet”, Rapid Commun. Mass Spectrom., 2002, 16, 2370-2373. doi: 10.1002/rcm.841
  62. Lianming Wu and R. Graham Cooks, “Chiral Analysis Using the Kinetic Method with Optimized Fixed Ligands: Application to Some Antibiotics” Anal. Chem. 2003, 75, 678 - 684. doi: 10.1021/ac0260948
  63. Lianming Wu, W. Andy Tao and R. Graham Cooks, “Kinetic Method for the Simultaneous Chiral Analysis of Different Amino Acids in Mixtures” J. Mass Spectrom. 2003, 38, 386 - 393. doi: 10.1002/jms.450
  64. Rodinei Augusti, Maciej Turowski and R. Graham Cooks, “Membrane introduction mass spectrometry for monitoring complexation equilibria of b-cyclodextrin with substituted benzenes”, Analyst, 2003, 128, 61- 64. doi: 10.1039/b208770g
  65. Lianming Wu, Rebecca L. Clark, and R. Graham Cooks, “Chiral Quantification of D-, L-, and meso-Tartaric Acid Mixtures Using a Three-Point Calibration Kinetic Method”, Chem. Commun., 2003, 1, 136-137. doi: 10.1039/b210294c
  66. Hao Chen, Xubin Zheng, R. Graham Cooks, “Ketalization of Phosphonium Ions by 1, 4-Dioxane: Selective Detection of the Chemical Warfare Agent Simulant DMMP in Mixtures Using Ion/Molecule Reactions” J. Am. Soc. Mass Spectrom. 14 182 – 188 (2003). doi: 10.1016/S1044-0305(02)00904-2
  67. Rodinei Augusti, Xubin Zheng, M. Turowski, and R. Graham Cooks, “Kinetic Isotope and Collision Energy Effects in the Dissociation of Chloride and Bromide Adducts of Aliphatic Alcohols, Benzaldehyde and 2,4-Pentanedione, Aust. J. Chem.”, 2003, 56, 415 - 421. doi: 10.1071/CH02245
  68. Lianming Wu, Karel Lemr, Tenna Aggerholm and R. Graham Cooks “Recognition and Quantification of Binary and Ternary Mixtures of Isomeric Peptides by the Kinetic Method: Metal Ion and Ligand Effects on the Dissociation of Metal-Bound Complexes” J. Am. Soc. Mass Spectrom. (2003), 14, 152 – 160. doi: 10.1016/S1044-0305(02)00868-1
  69. Zoltan Takats, Sergio C. Nanita and R. Graham Cooks, “Serine Octamer Reactions: Indicators of Prebiotic Relevance” Angew. Chem. 2003, 115, Nr. 30, 3645-3647 [Angew. Chem. Int. Ed. 2003, 42, No. 30, 3521-3523]. doi: 10.1002/anie.200351210
  70. Zheng Ouyang , Zoltan Takats, Thomas A. Blake, Bogdan Gologan, Andy J. Guymon, Justin M. Wiseman, Justin C. Oliver, V. Jo Davisson, R. Graham Cooks “Preparing Protein Microarrays by Soft Landing of Mass-Selected Ions” Science 2003, 301, 1351-1354. doi: 10.1126/science.1088776
  71. Zoltan Takats, Sergio C. Nanita, Gitta Schlosser, Karoly Vekey, R. Graham Cooks “Atmospheric Pressure Gas-Phase H/D Exchange of Serine Octamers” Anal. Chem. 2003, 75, 6147-6154. doi: 10.1021/ac034284s
  72. Sung-Chan Jo and R. Graham Cooks, “Translational to Vibrational Energy Conversion during Surface-Induced Dissociation of n-Butylbenzene Molecular Ions Colliding at Self-Assembled Monolayer Surfaces” European J. of Mass Spectrom.,(2003), 9, 237. doi: 10.1255/ejms.554
  73. Leah S. Riter, Eduardo C. Meurer, Eric S. Handberg, Brian C. Laughlin, Hao Chen, Garth E. Patterson and R. Graham Cooks, “Ion /Molecule Reactions Performed in a Miniature Cylindrical Ion Trap Mass Spectrometer”, Analyst 128, 1112-1118, (2003). doi: 10.1039/b303609j
  74. Lianming Wu, Eduardo Cesar Meurer, Brandy Young, Pengxiang Yang, Marcos N. Eberlin, R. Graham Cooks “Isomeric Differentiation and Quantification of α, β-Amino Acid-Containing Tripeptides by the Kinetic Method: Alkali Metal-Bound Dimeric Cluster Ions”, Int. J. Mass Spectrom. 231, 103 - 111, (2004). doi: 10.1016/j.ijms.2003.09.017
  75. Leah S. Riter, Eduardo C. Meurer, Ismael Cotte-Rodriguez, Marcos N. Eberlin and R. Graham Cooks, “Solid Phase Micro-Extraction in a Miniature Ion Trap Mass Spectrometer”, Analyst, 2003, 128 (9), 1119 - 1122. doi: 10.1039/b308292j
  76. Eugene Nikolaev, Leah S. Riter, Brian C. Laughlin, Eric Handberg and R. Graham Cooks, “Trace Analysis of Organics in Air by Corona Discharge Atmospheric Pressure Ionization Using an Electrospray Ionization Interface” Eur. J. Mass Spectrom. 2004, 10, 197-204. doi: 10.1255/ejms.597
  77. Nathan Wade, Sung-Chan Jo, Bogdan Gologan and R. Graham Cooks, “Differentiation of Isomeric Oxygenated Adsorbates using Low-Energy Ion/Surface Collisions”, Int. J. Mass Spectrom. 230 (2003) 151 - 159. doi: 10.1016/j.ijms.2003.08.015
  78. Amy M. Tabert, Jens Griep-Raming, Andrew J. Guymon and R. Graham Cooks, “High Throughput Miniature Cylindrical Ion trap Array Mass Spectrometer” Anal. Chem. 2003, 75, 5656-5664. doi: 10.1021/ac0346858
  79. Eduardo C. Meurer, Hao Chen , Leah S. Riter, Marcos N. Eberlin and R.Graham Cooks, "Meerwein Reaction of Phosphonium Ions and (Thio)Epoxydes in Gas Phase," J. Am. Soc. Mass Spectrom. 2004, 15, 398-405. doi: 10.1016/j.jasms.2003.11.006
  80. Hao Chen, Xubin Zheng, Pengxiang Yang and R. Graham Cooks, "Reduction of nitroaromatics to arylnitrenium ions by vinyl halide cations." Chem. Commun., 2004, (6), 688. doi: 10.1039/b314713d
  81. Rodinei Augusti, Maciej Turowski, Hao Chen and R. Graham Cooks, " Dissociation of Ionized Benzophenones Investigated by the Kinetic Method: Effective Temperature, Steric Effects, and Gas-Phase CO+. Affinities of Phenyl Radicals” J. Mass Spectrom. 2004, 39, 558-564. doi: 10.1002/jms.625
  82. Amy M. Tabert, Alexander S. Misharin, and R. Graham Cooks, “Performance of a Multiplexed Chemical Ionization Miniature Cylindrical Ion Trap Array Mass Spectrometer” Analyst, 2004, 129, 323-330. doi: 10.1039/b314178k
  83. Lianming Wu, Eduardo Cesar Meurer, and R. Graham Cooks, “Chiral Morphing and Enantiomeric Quantification in Mixtures by Mass Spectrometry,” Anal. Chem., 76 (2004) 663-671. doi: 10.1021/ac0349072
  84. R. Graham Cooks, Sung-Chan Jo and Jason R. Green, “Collisions of Organic Ions at Surfaces” Appl. Surf. Sci., 231-232 (2004), 13-21. doi: 10.1016/j.apsusc.2004.03.017
  85. Sunnie Myung, Ryan R. Julian, Sergio C. Nanita, R. Graham Cooks and David E. Clemmer, “Formation of Nanometer Scale Serine Clusters by Sonic Spray” J. Phys. Chem. B, 2004, 108, 6105-6111. doi: 10.1021/jp037482w
  86. Eduardo C. Meurer, Hao Chen, Leah Riter, Ismael Cotte-Rodriguez, Marcos N. Eberlin and R. Graham Cooks, “Gas-Phase Reactions for Selective Detection of the Explosives TNT and RDX” Chem. Commun. 2004, 1, 40-41. doi: 10.1039/b309962h
  87. Zoltan Takats and R. Graham Cooks, “Thermal Formation of Serine Octamer Ions” Chem. Commun., 2004, 444-445. doi: 10.1039/b316768b
  88. Hao Chen, Huanwen Chen and R. Graham Cooks, "Meisenheimer Complexes Bonded at Carbon and at Oxygen in the Gas Phase", J. Am. Soc. Mass Spectrom., 2004, 15, 998-1004. doi: 10.1016/j.jasms.2004.03.006
  89. Lianming Wu, Eduardo Cesar Meurer, Brandy Young, Pengxiang Yang, Marcos N. Eberlin, R. Graham Cooks “Isomeric Differentiation and Quantification of a, b-Amino Acid-Containing Tripeptides by the Kinetic Method: Alkali Metal-Bound Dimeric Cluster Ions”, Int. J. Mass Spectrom. 231 (2004) 103 – 111. doi: 10.1016/j.ijms.2003.09.017
  90. R. G. Cooks, Sung-Chan Jo and Jason Green, “Collisions of Organic Ions at Surfaces”, Appl. Surf. Sci. 231-232,  2004, 13-21, doi:10.1016/j.apsusc.2004.03.017
  91. Jason R. Green, R. Graham Cooks, "Inverse Heavy-Atom Kinetic Isotope Effects in Chloroalkanes" J. Phys. Chem. A 2004, 108 (46), 10039-10043. doi: 10.1021/jp046228g
  92. Zheng Ouyang, Guangxiang Wu, Yishu Song, Hongyan Li, Wolfgang R. Plass, and R. Graham Cooks, “Rectilinear Ion Trap: Concepts, Calculations, and Analytical Performance of a New Mass Analyzer” Anal. Chem. 76 (2004) 4595 -4605. doi: 10.1021/ac049420n
  93. Matthew G. Blain, Leah S. Riter, Dolores Cruz, Daniel E. Austin, Guangxiang Wu, Wolfgang R. Plass, and R. Graham Cooks, “Towards the Hand-Held Mass Spectrometer: Design Considerations, Simulation, and Fabrication of Micrometer-scaled Cylindrical Ion Traps,” Int. J. Mass Spectrom., 2004, 236 (1-3), 91-104. doi: 10.1016/j.ijms.2004.06.011
  94. Hao Chen, Huanwen Chen, H. Bagheri and R. Graham Cooks, “Generation of Arylnitrenium Ions by Nitro-reduction and Gas-Phase Synthesis of N-Heterocycles” J. Am. Soc. Mass Spectrom., 15(11), (2004), 1675-1688. doi: 10.1016/j.jasms.2004.07.019
  95. Sergio C. Nanita, Zoltan Takats, Sunnie Myung, David E. Clemmer, and R. Graham Cooks, "Chiral Enrichment of Serine via Formation, Dissociation and Soft-Landing of Octameric Cluster Ions" J. Am. Soc. Mass Spectrom. (2004), 15(9), 1360-1365. doi: 10.1016/j.jasms.2004.06.010
  96. Thomas A. Blake, Zheng Ouyang, Justin M. Wiseman, Zoltan Takats, Andrew J. Guymon, Sameer Kothari and R. Graham Cooks. “A Preparative Linear Ion Trap Mass Spectrometer for Separation and Collection of Purified Proteins and Peptides in Arrays using Ion Soft Landing.” Anal. Chem. 2004, 76 (21), 6293-6305. doi: 10.1021/ac048981b
  97. Habib Bagheri, Hao Chen and R. Graham Cooks, “Chiral recognition by proton transfer reactions with optically active amines and alcohols” Chem. Commun., 2004, (23), 2740-2741. doi: 10.1039/b410882e
  98. Caprioli, Richard M.; Cooks, R. Graham. Editorial. J. Mass Spectrom. (2004), 39(9), 985. doi: 10.1002/jms.679
  99. Cooks R Graham, “John Beynon at Purdue” Rapid Comm. Mass Spectrom. (2004), 18(1), 7-10. doi: 10.1002/rcm.1303
  100. Zoltan Takats, Justin M. Wiseman, Bogdan Gologan, R. Graham Cooks, “Electro-sonic Spray Ionization. A Gentle Technique for Generating Folded Proteins and Protein Complexes in the Gas Phase and Studying Ion-Molecule Reactions at Atmospheric Pressure”, Anal. Chem., 2004, 76, 4050-4058. doi: 10.1021/ac049848m
  101. Bogdan Gologan, Zoltan Takats, Jormarie Alvarez, Justin M. Wiseman, Nari Talaty, Zheng Ouyang and R. Graham Cooks, “Ion Soft-Landing into Liquids: Protein Identification, Separation, and Purification with Retention of Biological Activity”, JASMS, 2004, 15, 12, 1874-1884. doi: 10.1016/j.jasms.2004.09.005
  102. Rodinei Augusti, Daniella V. Augusti, Hao Chen, and R. Graham Cooks, “Gas-Phase Halide Affinity of Aliphatic Alcohols Estimated by the Kinetic Method” Eur. J. Mass Spectrom., 10, 847 - 855 (2004) doi: 10.1255/ejms.695
  103. Zoltan Takats, Justin M. Wiseman, Bogdan Gologan, and R. Graham Cooks, “Mass Spectrometry Sampling Under Ambient Conditions with Desorption Electrospray Ionization” Science, 5695 (2004) 471-473. doi: 10.1126/science.1104404