selected scholarly activity
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academic article
- Metal Ion Hydrocarbon Bidentate Bonding in Alkyl Acetates, Methyl Alkanoates, Alcohols and 1-Alkenes: A Comparative Study. European Journal of Mass Spectrometry European Mass Spectrometry. 22:297-305. 2016
- Interaction of Metal Cations with Functionalised Hydrocarbons in the Gas Phase: Further Experimental Evidence for Solvation of Metal Ions by the Hydrocarbon Chain. European Journal of Mass Spectrometry European Mass Spectrometry. 22:61-70. 2016
- Interaction of Metal Cations with Alkylnitriles in the Gas Phase: Solvation of Metal Ions by the Hydrocarbon Chain. European Journal of Mass Spectrometry European Mass Spectrometry. 21:579-587. 2015
- Dissociation of CuH+ and ZnH+ complexes of ethylenediamine and their N-methylated homologues: Family and neighbours, but not the same. International Journal of Mass Spectrometry. 354-355:144-151. 2013
- The reaction of the hydrogen-bridged radical cation [NH2COHOCH2]•+ with dioxygen. International Journal of Mass Spectrometry. 354-355:99-104. 2013
- Generation and Dissociation of RCOOCaCl2−and other Carboxylate-Substituted Superhalogens: CO2Capture and Implications for Structure Analysis. Collection of Czechoslovak Chemical Communications. 78:1184-1189. 2013
- The double hydrogen transfer in the 1-methoxy-2-propanol molecular ion: Loss of CH3CO by proton-transport catalysis. International Journal of Mass Spectrometry. 316-318:18-22. 2012
- The hydrogen-bridged radical cation [NH2C O⋯H⋯O CHCH3]+ and its dissociation by proton-transport catalysis. Chemical Physics Letters. 523:20-24. 2012
- A mechanistic study of the prominent loss of H2O from ionized 2-hydroxyaminoethanol. International Journal of Mass Spectrometry. 306:138-149. 2011
- The dissociation chemistry of low-energy N-formylethanolamine ions: Hydrogen-bridged radical cations as key intermediates. International Journal of Mass Spectrometry. 306:9-26. 2011
- Structure and dissociation characteristics of metal chloride anion clusters containing redox-active metal ions studied by laser desorption and electrospray ionization mass spectrometry and ab initio calculations. Journal of Mass Spectrometry. 46:223-229. 2011
- The covalently bound dimer ion HC N C NH+ and its neutral counterpart. Chemical Physics Letters. 497:7-11. 2010
- The reaction of the acrylonitrile ion CH2CH−CN+ with HCN: Proton-transport catalysis vs formation of ionized pyrimidine. Chemical Physics Letters. 482:211-216. 2009
- Differentiation of the pyridine radical cation from its distonic isomers by ion–molecule reactions with dioxygen. International Journal of Mass Spectrometry. 286:83-88. 2009
- The quest for the elusive carbodiimide ion HNCNH+ and its generation from ionized cyanamide by proton-transport catalysis. Chemical Physics Letters. 478:144-149. 2009
- The covalently bound HCN dimer ions HCN−NCH+ and HCN−C(N)H+ are stable species in the gas-phase, but the neutral counterparts are not. Chemical Physics Letters. 473:257-262. 2009
- Small (Poly)Unsaturated Oxygen Containing Ions and Molecules: A Brief Assessment of Their Thermochemistry Based on Computational Chemistry. European Journal of Mass Spectrometry European Mass Spectrometry. 15:261-273. 2009
- On the interaction of peptides with calcium ions as studied by matrix-assisted laser desorption/ionization Fourier transform mass spectrometry: Towards peptide fishing using metal ion baits. Analytica Chimica Acta. 627:136-147. 2008
- The covalently bound HNC dimer ion HN C C NH+ has a kinetically stable neutral counterpart. Chemical Physics Letters. 462:152-157. 2008
- The remarkable dissociation chemistry of 2-aminoxyethanol ions NH2OCH2CH2OH+studied by experiment and theory. International Journal of Mass Spectrometry. 269:165-176. 2008
- Does the ion–molecule reaction between HCCH+ and HCN lead to CH2CH–CN+? A computational and experimental study of the reverse process. Chemical Physics Letters. 450:243-247. 2008
- Isotopic labelling in mass spectrometry as a tool for studying reaction mechanisms of ion dissociations. Journal of Labelled Compounds and Radiopharmaceuticals. 50:1115-1123. 2007
- Even-electron ions: a systematic study of the neutral species lost in the dissociation of quasi-molecular ions. Journal of Mass Spectrometry. 42:1024-1044. 2007
- Loss of DNC from ionized 4-hydroxypyridine-OD: An intriguing reaction unravelled by theory and experiment. International Journal of Mass Spectrometry. 264:146-156. 2007
- The acrylonitrile dimer ion: A study of its dissociation via self-catalysis, self-protonation and cyclization into the pyrimidine radical cation. International Journal of Mass Spectrometry. 262:88-100. 2007
- Formaldehyde mediated proton-transport catalysis in the ketene–water radical cation CH2C(O)OH2+. International Journal of Mass Spectrometry. 255-256:244-250. 2006
- The loss of NH2O from the N-hydroxyacetamide radical cation CH3C(O)NHOH+: An ion-catalysed rearrangement. International Journal of Mass Spectrometry. 254:127-135. 2006
- Dissociation of protonated oxalic acid [HOOC-C(OH)2]+ into H3O++CO+CO2: An experimental and CBS-QB3 computational study. International Journal of Mass Spectrometry. 249-250:240-251. 2006
- The water elimination from the ethyl acetate radical cation Answers from theory to a longstanding mechanistic problem. Canadian Journal of Chemistry. 83:1847-1863. 2005
- The Decarbonylation of the Acetamide Radical Cation and the Enolization of its Dimer by Self-Catalysis. European Journal of Mass Spectrometry European Mass Spectrometry. 10:801-811. 2004
- Reactions of ionised pyridazine, aminopyrazine and aminopyridine and their isomeric α-distonic ions. International Journal of Mass Spectrometry. 236:1-9. 2004
- Site of alkylation ofN-methyl- andN-ethylaniline in the gas phase: a tandem mass spectrometric study. Journal of Mass Spectrometry. 39:647-654. 2004
- The isomerization of [H2O–CO]+ and [HC(O)OH]+ into [HO–C–OH]+: proton-transport catalysis by CO. Chemical Physics Letters. 390:176-180. 2004
- Protonated silanoic acid HSi(OH)2+ and its neutral counterpart: a tandem mass spectrometric and CBS-QB3 computational study. Journal of Mass Spectrometry. 39:303-311. 2004
- The ionic isomerization [HCOH]+→[CH2O]+: proton-transport catalysis by CO and CO2. Chemical Physics Letters. 387:204-208. 2004
- Reactions of the Ionised Enol Tautomer of Acetanilide: Elimination of HNCO via a Novel Rearrangement. European Journal of Mass Spectrometry European Mass Spectrometry. 9:343-350. 2003
- Tautomerization and dissociation of ethylene phosphonate ions [OCH2CH2O]P(H)O+: an experimental and CBS-QB3 computational study. International Journal of Mass Spectrometry. 227:453-469. 2003
- The isobaric ions CH3OPO+ and CH3OPNH2+ and their neutral counterparts: a tandem mass spectrometry and CBS-QB3 computational study. International Journal of Mass Spectrometry. 225:11-23. 2003
- Generation of the elusive methyl dioxophosphorane molecule, CH3P(O)2, by delayed dissociation of selected precursors. Chemical Physics Letters. 368:584-588. 2003
- Generation and characterization of protonated silicic acid Si(OH)3+ and its neutral counterpart by tandem mass spectrometry and computational chemistry. International Journal of Mass Spectrometry. 221:219-227. 2002
- Hydrogen-shift isomers of ionic and neutral hydroxypyridines: a combined experimental and computational investigation. International Journal of Mass Spectrometry. 217:1-22. 2002
- Reactions of low-energy pentenyl methyl ether radical cations C2H5CHCHCH2OCH3+, CH2CHCH(C2H5)OCH3+ and CH2C(C2H5)CH2OCH3+. International Journal of Mass Spectrometry. 217:109-118. 2002
- Self-catalysis in the gas-phase: enolization of the acetone radical cation. International Journal of Mass Spectrometry. 217:97-108. 2002
- Derivatization of small oligosaccharides prior to analysis by matrix-assisted laser desorption/ionization using glycidyltrimethylammonium chloride and Girard's reagent T. Rapid Communications in Mass Spectrometry. 16:905-912. 2002
- Benzonitrile assisted enolization of the acetone and acetamide radical cations: proton-transport catalysis versus an intermolecular H+/· transfer mechanism. International Journal of Mass Spectrometry. 210-211:489-502. 2001
- Pyrimidine-ylidenes produced using neutralization–reionization mass spectrometry and probed by density functional methods. International Journal of Mass Spectrometry. 210-211:43-57. 2001
- Reactions of ionised methyl pent-4-enyl ether, CH2CH(CH2)3OCH3·+. International Journal of Mass Spectrometry. 210-211:447-457. 2001
- The chemistry of some low energy C5H9O+ oxonium ions. International Journal of Mass Spectrometry. 209:153-169. 2001
- Analysis of carrageenans by matrix-assisted laser desorption/ionization and electrospray ionization mass spectrometry. I.kappa-Carrageenans. Rapid Communications in Mass Spectrometry. 15:1152-1159. 2001
- The heat of formation of sulfine, CH2SO, revisited: a CBS-QB3 study. Chemical Physics Letters. 342:447-451. 2001
- Dissociation Reactions of Low-Energy Pentenyl Methyl Ether Radical Cations C5H9OCH3•+. European Journal of Mass Spectrometry European Mass Spectrometry. 7:225-241. 2001
- Definitive characterization of some C5H5N·+ and C6H7N·+ radical cations by associative ion–molecule reactions. International Journal of Mass Spectrometry. 206:91-103. 2001
- Tautomerization and Dissociation of Dimethyl Phosphonate Ions(CH3O)2P(H)=O•+:Theory and Experiment in Concert. Zeitschrift fur Physikalische Chemie. 215:141-182. 2001
- Characterization of iminothiosulfine-type ions [HNCS2]+/− and their neutral counterparts by mass spectrometry and computational chemistry. Chemical Physics Letters. 332:251-258. 2000
- Generation and characterization of ionic and neutral (CH3OBH)+/· and (CH3BOH)+/· in the gas phase by tandem mass spectrometry. International Journal of Mass Spectrometry. 202:315-322. 2000
- Effect of variations of the size and structure of the principal alkyl group on alkene elimination from the immonium ions CH3CH2CHN+(CH3)R, CH3CH2CH2CHN+(CH3)R and CH3CH2CH2CH2CHN+(CH3)R. International Journal of Mass Spectrometry. 199:189-200. 2000
- Generation and characterization of ionic and neutral dihydroxy boron B(OH)2+/0 in the gas phase. International Journal of Mass Spectrometry. 197:105-111. 2000
- Characterization of ginseng saponins using electrospray mass spectrometry and collision-induced dissociation experiments of metal-attachment ions. The Analyst. 125:591-597. 2000
- Dissociation chemistry of the hydrogen-bridged radical cation [CH2O ⋯ H ⋯ OC–OCH3]·+: proton transport catalysis and charge transfer. International Journal of Mass Spectrometry. 195-196:85-99. 2000
- Identifying ylide ions and methyl migrations in the gas phase: the decarbonylation reactions of simple ionized N-heterocycles. International Journal of Mass Spectrometry. 195-196:71-83. 2000
- Structural analysis of diols by electrospray mass spectrometry on boric acid complexes. Rapid Communications in Mass Spectrometry. 13:2406-2415. 1999
- How do dimethyl oxalate ions CH3O-C(=O)-C(=O)-OCH3·+ break in half? Loss of CH3· + CO2 versus CH3O-C-O·. Journal of the American Society for Mass Spectrometry. 10:869-877. 1999
- A theoretical study of the isomerization and dissociation processes of the HO–CO+ ion: interstate crossing in the formation of H–CO++O. International Journal of Mass Spectrometry. 185-187:291-305. 1999
- Pyrazine diradicals, carbenes, ylides, and distonic ions probed by theory and experiment. International Journal of Mass Spectrometry. 185-187:925-933. 1999
- G2 Theory and Experiment in Concert: Enthalpy of Formation of CH3O−CO+and Its Isomers Revisited†. Journal of Physical Chemistry A. 103:1426-1431. 1999
- DOES PHENYLPHOSPHINIDENE EXIST? - MASS SPECTROMETRIC GENERATION AND CHARACTERIZATION OF Ph-P. Phosphorus, Sulfur and Silicon and the Related Elements. 149:23-28. 1999
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G2 Theory and Experiment in Concert: Enthalpy of Formation of CH
3 O-C=O+ and Its Isomers Revisited. Journal of Physical Chemistry A. 103:1426-1431. 1999 - Lowering large 1,2-H shift barriers by proton-transport catalysis: The challenging case of the pyridine radical cation. European Journal of Mass Spectrometry European Mass Spectrometry. 5:431-439. 1999
- Lowering large 1,2-H shift barriers by proton-transport catalysis: the challenging case of the pyridine radical cation. European Journal of Mass Spectrometry European Mass Spectrometry. 5:431-431. 1999
- The influence of the size and structure of a spectator alkyl group on the relative rates of alkyl radical elimination from ionised tertiary amines. European Journal of Mass Spectrometry European Mass Spectrometry. 5:339-339. 1999
- The influence of the size and structure of a spectator alkyl group on the relative rates of alkyl radical elimination from ionised tertiary amines. European Journal of Mass Spectrometry European Mass Spectrometry. 5:339-351. 1999
- Water and hydrogen atom elimination from ionised n-propanol: extraordinarily large kinetic isotope effects. Chemical Communications. 2111-2112. 1999
- Enolization of Gaseous Acetone Radical Cations: Catalysis by a Single Base Molecule. Journal of the American Chemical Society. 120:12131-12132. 1998
- Generation of neutral and cationic hydrogen shift isomers of pyridine: a combined experimental and computational investigation. International Journal of Mass Spectrometry. 179-180:7-14. 1998
- Rearrangement and dissociation of ionized 1,2-diaminoethane. International Journal of Mass Spectrometry. 179-180:337-348. 1998
- Monoisotopic65Cu+ attachment to polystyrene. Rapid Communications in Mass Spectrometry. 12:801-804. 1998
- Dissociation of Ionized 1,2-Ethanediol and 1,2-Propanediol: Proton-Transport Catalysis with Electron Transfer†. Journal of Physical Chemistry A. 102:2976-2980. 1998
- The decarbonylation of ionized β-hydroxypyruvic acid: the hydrogen-bridged radical cation [CH2=O . . .H . . .==C-OH].+ studied by experiment and theory. Canadian Journal of Chemistry. 76:335-349. 1998
- Generation and characterization of ionic and neutral thiocarbonylisocyanate [SCNCO]+/· by neutralization—reionization mass spectrometry (NRMS). International Journal of Mass Spectrometry and Ion Processes. 171:L13-L17. 1997
- Reactions of metastable ionized γ, γ-dialkylallyl methyl ethers: relative rates for elimination of alkyl radicals by formal γ-cleavage. International Journal of Mass Spectrometry and Ion Processes. 165-166:155-168. 1997
- The dissociation of low energy 1,2-propanediol ions: an intriguing mechanism revisited. International Journal of Mass Spectrometry and Ion Processes. 167-168:291-308. 1997
- The intriguing behaviour of (ionized) oxalacetic acid investigated by tandem mass spectrometry. International Journal of Mass Spectrometry and Ion Processes. 165-166:179-194. 1997
- Effect of Methyl Substitution on the Thermochemistry of Ketene. Journal of Physical Chemistry A. 101:5958-5961. 1997
- The Thiazole Ylide: A Frequently Invoked Intermediate Is a Stable Species in the Gas Phase. Chemistry - A European Journal. 3:232-236. 1997
- The hydrogen-bridged radical cation [H2O center dot center dot center dot H center dot center dot center dot O=C-OH center dot+: A combined experimental and theoretical study of its stability and dissociation chemistry. International Journal of Mass Spectrometry and Ion Processes. 160:117-135. 1997
- The hydrogen-bridged radical cation [H2O⋯H⋯OCOH·+: A combined experimental and theoretical study of its stability and dissociation chemistry. International Journal of Mass Spectrometry and Ion Processes. 160:117-135. 1997
- Proton and electron transfers in O•H•O and C•H•O hydrogen-bridged ions: their role in the dissociation chemistry of ionized acetol, CH3C(=O)CH2OH•+. Canadian Journal of Chemistry. 74:1078-1087. 1996
- Intramolecular 1,2-alkyl shifts in unsymmetric dialkoxycarbenes studied by very low vapour pressure (VLVP) pyroiysis – mass spectrometry. Canadian Journal of Chemistry. 74:544-558. 1996
- 2-Alkoxy-2-amino-Δ3-1,3,4-oxadiazolines as Novel Sources of Alkoxyaminocarbenes. Journal of the American Chemical Society. 118:4214-4215. 1996
- Observation of the Hammick Intermediate: Reduction of the Pyridine-2-ylid Ion in the Gas Phase†. Journal of the American Chemical Society. 118:11898-11904. 1996
- Sulfine, CH2SO: Determination of Its Heat of Formation, Basicity, and Bond Strengths by Quantum Chemistry†. Journal of Physical Chemistry. 100:9694-9697. 1996
- THE PHOSPHOROTRITHIOUS ACID (HS)3P IS STABLE IN THE DILUTE GAS PHASE. Phosphorus, Sulfur and Silicon and the Related Elements. 104:189-195. 1995
- The decarbonylation of ionized formamide, HC(O)NH2+, and aminohydroxycarbene, HOCNH2+: decay via an excited state. A quantum chemical investigation. International Journal of Mass Spectrometry and Ion Processes. 145:35-43. 1995
- Low energy acetoin ions CH3C(O)C(H)(OH)CH3.+ decompose to CH3CO. and CH3CHOH+ via a remarkable “hidden rearrangement”. International Journal of Mass Spectrometry and Ion Processes. 144:L1-L7. 1995
- How does ionized N-methyl-O-methyl carbamate, CH3N(H)COOCH3+•, lose a methyl group? Unimolecular equilibration with two distonic isomers. European Journal of Mass Spectrometry European Mass Spectrometry. 1:261-261. 1995
- Mechanism of propene and water elimination from the oxonium ion CH3CHO+CH2CH2CH3. Journal of the Chemical Society, Perkin Transactions 2. 119-129. 1995
- The chemistry of ionized ethyl glycolate, HOCH2CO2C2H5•+, and its enol isomer, HOCH=C(OH)OC2H5•+. Formation of ionized and neutral trihydroxyethylene. European Journal of Mass Spectrometry European Mass Spectrometry. 1:545-545. 1995
- The mechanism of alkene elimination from the oxonium ions (CH3CH2)2C=OH+, CH3CH2CH2(CH3)C=OH+ and (CH3CH2CH2)2C=OH+. European Journal of Mass Spectrometry European Mass Spectrometry. 1:33-33. 1995
- Reactions of ionized dibutyl ether. Organic Mass Spectrometry. 29:791-805. 1994
- Does ionized dimethylsulfoxide produce O-protonated sulfine CH2SOH+at threshold? A quantum chemical investigation. Chemical Physics Letters. 229:495-498. 1994
- The imidic acids HNC(H)OH and CH3NC(H)OH and their tautomeric carbenes H2N7z.sbnd;C̈OH and CH3N(H)C̈OH: stable species in the gas phase formed by one-electron reduction of their cations. International Journal of Mass Spectrometry and Ion Processes. 136:191-208. 1994
- Hydrogen-Bridged Ions [CH3C:O.cntdot..cntdot..cntdot.H.cntdot..cntdot..cntdot.O:CH2].bul.+, [CH2:C(H)O.cntdot..cntdot..cntdot.H.cntdot..cntdot..cntdot.O:CH2].bul.+, and [CH3C(H)O.cntdot..cntdot..cntdot.H.cntdot..cntdot..cntdot.O:CH].bul.+ and Ion-Dipole Complex [CH3C(:O)+.cntdot..cntdot..cntdot.O(H)CH2.bul.]: Their Role in the Dissociation Chemistry of Ionized Acetol, CH3C(:O)CH2OH.bul.+. Journal of the American Chemical Society. 116:7807-7814. 1994
- Dihydroxycarbene HO-C̈-OH: Its formation in the gas-phase by electron transfer to its radical cation. Chemical Physics Letters. 224:539-543. 1994
- Experimental evidence for gaseous diaminocarbene H2NCNH2 and its radical cation. Chemical Physics Letters. 222:129-134. 1994
- O-protonated sulfine CH2=S=OH+. Its generation from ionized dimethylsulfoxide by delayed dissociation. Chemical Physics Letters. 218:499-503. 1994
- Editorial. Organic Mass Spectrometry. 28:993-993. 1993
- Isomerization and dissociation processes of protonated β-propiolactone and related C3H5O2+ isomers: A combined experimental and theoretical study. Organic Mass Spectrometry. 28:1270-1283. 1993
- The elusive HNCOH+ ion characterized by a double-collision experiment in the mass spectrometer. Rapid Communications in Mass Spectrometry. 7:138-141. 1993
- Aspects of the CH5N2 potential energy surface: ions CH3NHNH+, CH3NNH2+ and CH2NHNH2+ and radicals CH2NHNH2 studied by theory and experiment. International Journal of Mass Spectrometry and Ion Processes. 121:159-182. 1992
- The isomeric C2NO+ ions NCCO+, CNCO+, CCNO+ and their neutral counterparts are stable species in the gas phase. International Journal of Mass Spectrometry and Ion Processes. 121:R11-R18. 1992
- The thioxophosphane HP:S and its tautomer HSP, (thiohydroxy)phosphinidene, are stable in the gas phase. Journal of the American Chemical Society. 114:8208-8210. 1992
- On the generation and identification of dimethoxycarbene and 2-oxazolidinylidene in the rarefied gas phase of the mass spectrometer. International Journal of Mass Spectrometry and Ion Processes. 115:33-52. 1992
- Unimolecular chemistry of methyl formate cation radical. A combined theoretical and experimental study. Journal of the American Chemical Society. 114:3776-3783. 1992
- Deacetylation of gaseous amidoalkylating reagents (N-acyliminium ions) via iminium/ketene complexes: An unprecedented isotope effect. Organic Mass Spectrometry. 27:398-405. 1992
- The neutralization—reionization mass spectrum of C+60. International Journal of Mass Spectrometry and Ion Processes. 113:R23-R29. 1992
- The test of an analogy: Are intramolecular hydrogen bonds in .beta.-diols and .beta.-hydroxy ethers preserved in their molecular ions?. Journal of the American Chemical Society. 114:2017-2020. 1992
- Triphosphorus disulfide: The elusive P3S2˙ radical generated and identified by neutralization/reionization mass spectrometry. Rapid Communications in Mass Spectrometry. 6:203-205. 1992
- Stabilization energies for α- and β-silyl substituents on vinyl cations determined using mass spectrometric techniques. Journal of the Chemical Society - Series Chemical Communications. 360-362. 1992
- Gas-phase chemistry of the methyl carbamate radical cation, H2NCOOCH3+·. II—A test case for ion structure assignment. Organic Mass Spectrometry. 27:126-134. 1992
- The Neutralization of HeC60˙+ in the Gas Phase: Compelling Evidence for the Existence of an Endohedral Structure for He@C60. Angewandte Chemie Angewandte Chemie - International Edition. 31:183-185. 1992
- The Phosphorus Ylide CH2PH3 is Stable in the Gas Phase. Angewandte Chemie Angewandte Chemie - International Edition. 31:86-87. 1992
- GASEOUS DIPHOSPHORUS AND TRIPHOSPHORUS SULFIDE: GENERATION AND IDENTIFICATION BY NEUTRALIZATION-REIONIZATION MASS SPECTROMETRY. Phosphorus, Sulfur and Silicon and the Related Elements. 63:307-313. 1991
- On the existence of novel nitrides and oxides of copper; CuN, CuO2 and CuNO. International Journal of Mass Spectrometry and Ion Processes. 108:269-272. 1991
- RS-PS in the Gas Phase—First Generation of(Organothio)thioxophosphanes. Angewandte Chemie Angewandte Chemie - International Edition. 30:318-320. 1991
- Thiofulminic acid (HC→S) and nitrile sulfides (RCN→S) in the gas phase. Tetrahedron Letters. 32:1487-1490. 1991
- Captodative substituted C4H7O+2 carbenium ions and their relationship with the proton-bound complex CH3CHO ţu ţCCH2CO. International Journal of Mass Spectrometry and Ion Processes. 101:83-100. 1990
- Identification of the transient benzonitrile n-sulfide by flash-vacuum pyrolysis and neutralization—reionization mass spectrometry. International Journal of Mass Spectrometry and Ion Processes. 100:477-488. 1990
- The gas phase chemistry of the methyl carbamate radical cation H2NCOOCH+3: isomerization into distonic ions, hydrogen-bridged radical cations and ion—dipole complexes. International Journal of Mass Spectrometry and Ion Processes. 100:521-544. 1990
- On the Existence of H2P-SH and H-P (SH)2 in the GAS Phase. Phosphorus, Sulfur and Silicon and the Related Elements. 51:182-182. 1990
- Neutralization—reionization experiments with a cell containing potassium vapour. International Journal of Mass Spectrometry and Ion Processes. 98:247-258. 1990
- Ionic Isomer Distinction by Neutralization-Reionization Mass Spectrometry(NRMS): Carbonic Acid Radical Cations,(HO)2CO˙⊕ versus(H2O/CO2)˙⊕ Clusters. Angewandte Chemie Angewandte Chemie - International Edition. 29:404-406. 1990
- Experimental evidence for the existence of neutral and ionized thioxoethylenone in the gas phase. Journal of the American Chemical Society. 112:628-630. 1990
- Gasf�rmiges ?H3PS2? - Erzeugung und Charakterisierung. Zeitschrift fur Anorganische und Allgemeine Chemie. 580:181-187. 1990
- CH5N2 hydrazyl radicals, cations and dication radicals studied by mass spectrometry. Is the N-protonated formaldehyde hydrazon cation +CH2NHNH2 a bridged species?. International Journal of Mass Spectrometry and Ion Processes. 95:157-169. 1989
- Niedermolekulare Phosphorsulfide in der Gasphase. Chemische Berichte. 122:2265-2267. 1989
- A novel fragmentation process in the fast-atom bombardment/tandem mass spectra of peptides cationized with Na+, determining the identity of the C-terminal amino acid. Rapid Communications in Mass Spectrometry. 3:276-278. 1989
- The [CH5NO]+ ˙ potential energy surface: Distonic ions, lon-dipole complexes and hydrogen-bridged radical cations. Organic Mass Spectrometry. 24:579-590. 1989
- The isomeric ions produced by the gas phase protonation of HNCO and HCNO. Chemical Physics Letters. 156:251-255. 1989
- The role of hydrogen-bridged radical cations in the dissociation of ionized glycolaldehyde [HOCH2CHO]+•. Chemical Physics Letters. 156:245-250. 1989
- Spanish toxic oil syndrome: An isothiocyanate-derived compound cannot be substantiated as a causative agent. Food and Chemical Toxicology. 27:205-206. 1989
- The oxirene radical cation and its neutralization in the gas phase. Journal of the American Chemical Society. 111:441-445. 1989
- [HNCO].+, [HCNO].+, and [CNOH].+ and their neutral counterparts studied by mass spectrometry. Journal of the American Chemical Society. 111:72-75. 1989
- A simple instrumental device for angle-resolved mass spectrometry. Rapid Communications in Mass Spectrometry. 2:268-269. 1988
- ZUR EXISTENZ VON “H3PS” UND SEINES RADIKALKATIONS IN DER GASPHASE. Phosphorous and Sulfur and the Related Elements. 40:227-232. 1988
- Generation and Characterization of Sulfurous Acid(H2SO3) and of Its Radical Cation as Stable Species in the Gas Phase. Angewandte Chemie Angewandte Chemie - International Edition. 27:1533-1534. 1988
- Neutralization-reionization experiments; a simple metal vapour cell for VG analytical ZAB-2F mass spectrometers. Organic Mass Spectrometry. 23:804-807. 1988
- Isomer-specific determination of tetrachlorodibenzo-p-dioxins by tandem mass spectrometry using low energy reactive collisions between oxygen and negative molecular ions. Rapid Communications in Mass Spectrometry. 2:135-137. 1988
- The [CH2 = CHOH/H2O]+˙ system: A theoretical study of distonic ions, hydrogen-bridged ions and ion-dipole complexes. Organic Mass Spectrometry. 23:503-510. 1988
- The ion—dipole complex [CH2/H2O]+: Its generation as a stable species in the gas phase from protonated β-alanine. International Journal of Mass Spectrometry and Ion Processes. 84:R1-R5. 1988
- THE UNIMOLECULAR DISSOCIATION OF (CH3)2C+CH2COOH IN THE GAS-PHASE - AN ACID-ESTER TYPE REARRANGEMENT INVOLVING THE FORMATION OF THE PROTON-BOUND ACETONE-KETENE ION [(CH3)2C=O ... H ... CH2=C=O]+. Chimia. 42:226-229. 1988
- The stability of [CCl4]+·, [Cl2CClCl]+·, their dications, and neutral counterparts. International Journal of Mass Spectrometry and Ion Processes. 83:285-294. 1988
- The unimolecular chemistry of [1,2-propanediol]+˙: a rationale in terms of hydrogen-bridged radical cations. Organic Mass Spectrometry. 23:355-363. 1988
- The elusive methene ylides CH2CIH, CH2FH and CH2OH2. Organic Mass Spectrometry. 23:155-165. 1988
- 1-phenyl-5-vinyl-2-imidazolidinethione, a proposed causative agent of Spanish toxic oil syndrome: Synthesis, and identification in one of a group of case-associated oil samples. Food and Chemical Toxicology. 26:119-127. 1988
- GASFÖRMIGE RADIKALKATIONEN “UNKONVENTIONELLER” STRUKTUR AUS ORGANISCHEN THIOPHOSPHORVERBINDUNGEN. Phosphorous and Sulfur and the Related Elements. 34:169-178. 1987
- On the structure of the C2H4O2 neutrals (acetic acid versus 1,1-dihydroxyethene) generated from ionized n-hexanoic acid and n-butyl acetate in the gas phase. Implications for the mechanism of the McLafferty rearrangement. International Journal of Mass Spectrometry and Ion Processes. 81:217-225. 1987
- CH3OCH.bul.+, a new stable C2H4O.bul.+ isomer, and a reassessment of the oxirane.bul.+ potential surface. Journal of the American Chemical Society. 109:7321-7325. 1987
- The isomeric [C2H6O2].cntdot.+ hydrogen-bridged radical cations [CH2-O(H).cntdot..cntdot..cntdot.H.cntdot..cntdot..cntdot.O:CH2].cntdot.+, [CH3-O.cntdot..cntdot..cntdot.H.cntdot..cntdot..cntdot.O:CH2].cntdot.+, and [CH3-O(H).cntdot..cntdot..cntdot.H.cntdot..cntdot..cntdot.O:CH].cntdot.+: theory and experiment. Journal of the American Chemical Society. 109:7315-7321. 1987
- The Generation and Characterization of Molecules by Neutralization-Reionization Mass Spectrometry(NRMS). New Analytical Methods(33). Angewandte Chemie Angewandte Chemie - International Edition. 26:805-815. 1987
- Experimental evidence for the imino methyl radical (HCNH˙) by neutralized ion beam spectroscopy. Rapid Communications in Mass Spectrometry. 1:57-59. 1987
- NH2O· and NHOH·: Generation and characterization of their neutral species and cations in the gas phase. Rapid Communications in Mass Spectrometry. 1:61-63. 1987
- [HCNO]+⋅, [HNCO]+⋅ and their neutral counterparts studied by mass spectrometry. Rapid Communications in Mass Spectrometry. 1:52-55. 1987
- [H+,Xe] one- and two-step double charge transfer reactions studied with a tandem collision gas chamber. Rapid Communications in Mass Spectrometry. 1:9-10. 1987
- GENERATION OF CARBAMIC ACID (NH2CO2H) AND ITS RADICAL CATION AS STABLE SPECIES IN THE GAS-PHASE. Chimia. 41:122-124. 1987
- Thermolysis of NH4HCO3—A Simple Route to the Formation of Free Carbonic Acid(H2CO3) in the Gas Phase. Angewandte Chemie Angewandte Chemie - International Edition. 26:354-355. 1987
- CO2 Elimination from Vinylene Carbonate Radical Anions and Charge Reversal in C2H2O⊙⊖: Reactions Involving the Radical Anion and Cation of Oxirene?. Angewandte Chemie Angewandte Chemie - International Edition. 26:140-142. 1987
- CNH2+: Laboratory generation of a proposed interstellar species. Chemical Physics Letters. 132:69-71. 1986
- Does the unimolecular dissociation of ionized methyl acetate produce CH3O˙ OR CH2OH radicals?. Organic Mass Spectrometry. 21:776-778. 1986
- Theory and experiment in concert: the [MeOC:O]+ ion and its isomers. Journal of the American Chemical Society. 108:7589-7594. 1986
- Study of ion structures produced by the reaction of 2-propyl cations with water and methanol; covalently bound v. Hydrogen-bridged adducts. Organic Mass Spectrometry. 21:665-671. 1986
- THE FORMATION IN THE GAS-PHASE OF HO-C=C-OH, H2N-C=C-NH2, H2N-C=C-OH, AND RELATED-COMPOUNDS BY SELECTIVE REDUCTION OF THEIR CATIONS. Chimia. 40:357-359. 1986
- Aminoacetylene and Its Mono- and Dication—Identification of Potentially Interstellar Molecules. Angewandte Chemie Angewandte Chemie - International Edition. 25:827-828. 1986
- Gas phase ion chemistry of methyl acetate, methyl propanoate and their enolic tautomers. An experimental approach. Organic Mass Spectrometry. 21:549-555. 1986
- Remarkable rearrangement–dissociation processes of gaseous protonated methyl formate involving ion–dipole complexes. Journal of the Chemical Society - Series Chemical Communications. 728-730. 1986
- The ketene–water radical cation dipole complex [CH2CO·H2O]˙+. Journal of the Chemical Society - Series Chemical Communications. 683-685. 1986
- Experimental and theoretical study of [C3H2O] cations. Evidence for the existence of stable [CH:CHCO]+.bul. ions in the gas phase. Journal of Physical Chemistry. 90:1582-1585. 1986
- Heat of formation and homolytic bond dissociation energies in the keto-enol tautomers of acetaldehyde and acetone. Journal of the American Chemical Society. 108:1086-1087. 1986
- Hydroxyacetylene: Generation and Characterization of the Neutral Molecule, Radical Cation and Dication in the Gas Phase. Angewandte Chemie Angewandte Chemie - International Edition. 25:282-284. 1986
- Interference peaks in collisional activation mass spectra: The loss of CH3˙ from [C13H9] ions. Organic Mass Spectrometry. 21:105-108. 1986
- The mass spectrometry of neutral species produced from mass-selected ions by collision and by charge exchange. Experiments with tandem collision gas cells. International Journal of Mass Spectrometry and Ion Processes. 68:249-264. 1986
- CH3OC+: a long-sought molecule, predicted to exist by theory, identified. Journal of the Chemical Society - Series Chemical Communications. 1607-1607. 1986
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Experimental and theoretical study of [C
3 H2 O]+· cations. Evidence for the existence of stable [CH=CH-CO]+· ions in the gas phase. Journal of Physical Chemistry. 90:1582-1585. 1986 - Isomeric distonic and H-bridged [C2H6O]+ radical cations. Chemical Physics Letters. 123:409-415. 1986
- Stable [C2H7O2]+ isomers: Experimental and theoretical evidence for the existence of protonated peroxides and proton-bound dimers in the gas phase. Organic Mass Spectrometry. 20:665-673. 1985
- An abinitio molecular orbital theory study of the structure and stability of the hydrogen bridged radical cation molecule pairs [CH2CHOH—OH2]+• and [CH2CHOH—OHCH3]+•. Canadian Journal of Chemistry. 63:2798-2804. 1985
- Isolation and identification of 25-hydroxydihydrotachysterol2 1α,25-dihydroxydihydrotachysterol2 and 1β,25-dihydroxydihydrotachysterol2. Journal of Steroid Biochemistry. 23:223-229. 1985
- On the loss of (CH2OH) radicals from ionised methyl acetate. International Journal of Mass Spectrometry and Ion Processes. 66:239-243. 1985
- The loss of H· from vinyl alcohol radical cations. Comparison of theory and experiment. International Journal of Mass Spectrometry and Ion Processes. 65:91-95. 1985
- Four isomeric [C, H3, O2]+ ions. Chemical Physics Letters. 115:437-440. 1985
- The neutralisation and reionisation of mass-selected positive ions by inert gas atoms. International Journal of Mass Spectrometry and Ion Processes. 64:245-250. 1985
- Three new isomers of [C2H6O]+˙: The radical cations [CH3O(H)CH2]+˙, [CH3CHOH2]+˙ and a low-energy isomer of unassigned structure. Organic Mass Spectrometry. 20:202-206. 1985
- MECHANISMS FOR ISOMERIZATION AND DISSOCIATION OF FURANE CATION IN GASEOUS-PHASE. Nouveau journal de chimie. 9:25-31. 1985
- On the microscopic reversibility of unimolecular ethylene loss from gaseous C5H9+. Addition of allyl cations to ethylene in the gas phase. International Journal of Mass Spectrometry and Ion Processes. 62:233-235. 1984
- Collisionally induced dissociative ionization of neutral products from unimolecular ion fragmentations. 1—Neutral product structures. Organic Mass Spectrometry. 19:442-447. 1984
- On the formation of C2H5O2+ ions having the structure of hydroxy-protonated acetic acid. International Journal of Mass Spectrometry and Ion Processes. 61:87-95. 1984
- Gaseous [H2, C, N]+ and [H3, C, N]+.cntdot. ions. Generation, heat of formation, and dissociation characteristics of methylenenitrenium(1+) ([H2CN]+), iminomethylene(1+) ([HCNH]+), aminomethylidene(1+) ([CNH2]+), formaldimine(1+.cntdot.) ([H2CNH]+.cntdot.), and aminomethylene(1+.cntdot.) ([HCNH2]+.cntdot.) ions. Journal of the American Chemical Society. 106:2762-2764. 1984
- Mass spectrometric investigation of acetylenic compounds. Part 29. On the gas phase isomerization of phenyl-substituted allyl and vinyl cations. International Journal of Mass Spectrometry and Ion Processes. 57:233-237. 1984
- Novel gas phase ions. II. [CH2=CHOH/CH3OH]+• and [CH2=CHOH/H2O]+•. Canadian Journal of Chemistry. 62:289-292. 1984
- Energy barriers for exothermic gas phase ion–radical recombinations. Journal of the Chemical Society - Series Chemical Communications. 642-643. 1984
- Isomeric [C3H4]+· ions: Their identification and generation in dissociative ionizations. Organic Mass Spectrometry. 19:7-9. 1984
- Two new stable[C3H8O]+? isomers: the radical cations [C3H6OH2]+?. Journal of the Chemical Society - Series Chemical Communications. 165-165. 1984
- Neutral products of ion fragmentations: HCN and HNC identified by collisionally induced dissociative ionization. Chemical Physics Letters. 102:1-3. 1983
- Novel gas-phase ions. The radical cations [CH2XH]+• (X = F, Cl, Br, I, OH, NH2, SH) and [CH2CH2NH3]+•. Canadian Journal of Chemistry. 61:2305-2309. 1983
- Characterization of isomeric [CH5P]+˙ and [C2H7P]+˙ radical cations and some [C2H6P]+ phosphonium ions in the gas phase by their collisional activation spectra. Organic Mass Spectrometry. 18:327-330. 1983
- Ionized ethylidene ketene and its homologue methylene ketene. Canadian Journal of Chemistry. 61:1722-1724. 1983
- The role of charge-site location in fragmenting ions. 1—[CH3 CHXCOOCH3]+˙ and [CH2XCH2 COOCH3]+˙ ions and the structures of daughter ions derived from the loss of X (X = I, Br, Cl and CH3). Organic Mass Spectrometry. 18:335-339. 1983
- The gas phase ion chemistry of the acetyl cation and isomeric [C2H3O]+ ions. On the structure of the [C2H3O]+ daughter ions generated from the enol of acetone radical cation. Organic Mass Spectrometry. 18:254-262. 1983
- Letters to the editor. Organic Mass Spectrometry. 18:219-223. 1983
- Stable C2H5X+˙ (X=Cl, Br) radical cations of structure [CH3CHXH+˙]: Their energetics and dissociation characteristics. Organic Mass Spectrometry. 18:208-211. 1983
- On the formation of protonated acetic acid from ionizedn-alkanoic acids in the gas phase. Organic Mass Spectrometry. 18:147-149. 1983
- Characterization of ion-dipole complexes by collisional activation and collisional ionization spectrometry. International Journal of Mass Spectrometry and Ion Physics. 47:147-150. 1983
- 2 [C2H4O2]+. IONS OF UNUSUAL STRUCTURE. Organic Mass Spectrometry. 18:222-223. 1983
- New, stable isomers of [C2H4O]+˙, and [C2H4O2]+˙, the radical cations [CH3COH]+˙ and [CH3OCOH]+˙. Journal of the Chemical Society - Series Chemical Communications. 1121-1123. 1983
- Isomeric and tautomeric [C4H4O]+• ions; their thermochemistry and collisionally induced fragmentation characteristics. Canadian Journal of Chemistry. 60:2246-2255. 1982
- The vinyloxonium cation,, a stable [C2H5O]+ species in the gas phase. Organic Mass Spectrometry. 17:369-372. 1982
- Gaseous [C7H8]+˙ ions: [Methylene cyclohexadiene]+˙, a stable species in the gas phase. Organic Mass Spectrometry. 17:295-298. 1982
- The radical cation [CH2OH2]+.cntdot. and related stable gas-phase ion-dipole complexes. Journal of the American Chemical Society. 104:2931-2932. 1982
- Collision induced dissociation of ionized methyl iodide: Evidence for the existence of an isolated electronic state. Organic Mass Spectrometry. 16:514-514. 1981
- Assigning structures to [C2H3O]+ ions. Organic Mass Spectrometry. 16:306-308. 1981
- Interference peaks in metastable ion spectra. Organic Mass Spectrometry. 16:325-326. 1981
- On the structure of the odd electron [C2H6O]+˙ ions in the mass spectrum of [1,3-propanediol]+˙. Organic Mass Spectrometry. 16:326-327. 1981
- Water elimination from the keto and enol tautomers of ionised ethylacetate. Canadian Journal of Chemistry. 59:1805-1809. 1981
- Letter to the editor. Organic Mass Spectrometry. 16:144-144. 1981
- Letters to the editor. Organic Mass Spectrometry. 15:659-660. 1980
- Structure and formation of some [C4H5O2]+ ions generated by radical losses in pseudo simple cleavage reactions. Organic Mass Spectrometry. 15:599-605. 1980
- Structure and formation of gaseous [C4H6O]+˙ ions: 1—The enolic ions [CH2C(OH)CHCH2]+˙ and [CH2CHCHCH(OH)]+˙ and their relationship with their keto counterparts. Organic Mass Spectrometry. 15:582-586. 1980
- The scope of metastable peak observations. Organic Mass Spectrometry. 15:383-396. 1980
- Charge stripping mass spectra: A method for identifying isomeric [C5H8]+˙ and [C3H6]+˙ ions. Organic Mass Spectrometry. 15:149-151. 1980
- [C3H3O]+ ions; reacting and non-reacting configurations. Organic Mass Spectrometry. 15:140-143. 1980
- ARE [C2H3O]+ IONS OF STRUCTURE CH2=C(+)-OH GENERATED FROM [GLYCEROL]+. Organic Mass Spectrometry. 15:660-660. 1980
- On the loss of ethylene from [C3H7O]+ ions of structure. Organic Mass Spectrometry. 14:606-608. 1979
- Structure and formation of gaseous [C4H5O]+ Ions. II-Ions of the type HCC(OH)(CH3). Organic Mass Spectrometry. 14:571-573. 1979
- Structure and formation of gaseous [C4H5O]+ ions. IV—Ions derived from the cyclopropenium ion [C3H3]+. Organic Mass Spectrometry. 14:574-576. 1979
- Structures of [C4H4O]+.cntdot.ions produced from 2- and 4-pyrone. Journal of the American Chemical Society. 101:4973-4975. 1979
- Structure and formation of gaseous [C4H5O]+ ions. III—Ions derived from unsaturated ethers. Organic Mass Spectrometry. 14:387-398. 1979
- Metastable ion studies. XII—Molecular and fragment ion structures for isomeric C4H6O2 acids. Organic Mass Spectrometry. 14:204-212. 1979
- Metastable peaks of exponential shape. Organic Mass Spectrometry. 14:119-120. 1979
- Structure and formation of gaseous [C4H5O]+ ions. I—isomeric ions of the type C3H5O. Organic Mass Spectrometry. 14:51-55. 1979
- Thermochemistry and generation of vinylketene. Journal of the American Chemical Society. 101:225-226. 1979
- On the mechanism of isomerization in the esters of some α,β-unsaturated carboxylic acids—II. Organic Mass Spectrometry. 13:658-665. 1978
- On the mechanism of isomerization reactions in the esters of some simple α,β-unsaturated carboxylic acids. Organic Mass Spectrometry. 13:470-476. 1978
- The loss of CH3⋅ from some unsaturated dithioesters. Organic Mass Spectrometry. 12:619-623. 1977
- Determination of daughter ion elemental compositions in charge separation reactions. Organic Mass Spectrometry. 12:465-466. 1977
- Metastable ion studies. IX—Thermochemistry and ion structures among fragmentating ions, an electron impact and field ionization investigation. Organic Mass Spectrometry. 12:424-431. 1977
- The electron impact induced fragmentation of aromatic aldoximes—III. On the loss of HCNO, OH⋅ and substituents and the role of substituent effects in the decomposition of cyclohexadiene type intermediate ions. Organic Mass Spectrometry. 12:245-253. 1977
- On the loss of CH3˙ fromo-methylbenzaldoxime. Evidence for anortho assisted oxime→nitrone isomerization. Organic Mass Spectrometry. 12:63-64. 1977
- Isomerization of (C2H4S)+? ions; thioacetaldehyde as the only species fragmenting by hydrogen atom loss. Journal of the Chemical Society - Series Chemical Communications. 492-492. 1977
- The Thermochemistry of C2H4O+ Ions. Journal of Physical Chemistry. 80:2860-2862. 1976
- On the mechanism for loss of CO from aromatic oximes. Evidence for a nucleophilic attack from fluorine labelling. Organic Mass Spectrometry. 11:1198-1205. 1976
- Evidence for anortho specific loss of OH· in some aromatic aldoximes from examination of metastable peak shapes. Organic Mass Spectrometry. 11:888-894. 1976
- The use of labelled analogues for the determination of mass spectrometric fragmentation mechanisms of cannabinoids. A re-investigation of the formation of the most abundant fragment ion [C15,H19,O2]+ in Δ1(6)tetrahydrocannabinol. Organic Mass Spectrometry. 11:659-663. 1976
- Metastable ion studies. VI. The identification of C2H5N+• ion structures from their characteristic kinetic energy releases. Canadian Journal of Chemistry. 54:1007-1014. 1976
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The thermochemistry of C
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- Cannabis. Journal of Chromatography Journal of Chromatography A. 108:375-379. 1975
- Cannabis—XV. Tetrahedron. 31:1513-1516. 1975
- Electron-impact induced fragmentation of some hetero- cyclic-tin compounds. Journal of Organometallic Chemistry. 64:205-221. 1974
- The use of metastable ion characteristics for the determination of ion structures of some isomeric cannabinoids. Tetrahedron. 30:4243-4248. 1974
- Cannabis—VIII. Tetrahedron. 29:2797-2802. 1973
- Metal-metal chelate exchange reactions in the ion source of a mass spectrometer. Organic Mass Spectrometry. 5:1127-1129. 1971
- Mass-spectrometric determination of metal chelates. Analytical and Bioanalytical Chemistry Fresenius' Journal of Analytical Chemistry Fresenius Zeitschrift f�r Analytische Chemie. 257:177-183. 1971
- Mass spectrometric investigation of copper chelates with 1-(2-pyridylazo)-2-naphthol. Talanta. 17:891-894. 1970
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