^*Indicates author to whom correspondence should be addressed

Rearrangement by intermediate ion/neutral complexes during the McLafferty fragmentation of unsaturated ketones

Silvia Dohmeier- Fischer, Nicolai Krämer and Hans Friedrich Grützmacher^*
Lehrstuhl I für Organische Chemie, Fakultät für Chemie der Universität Bielefeld, PO Box 10 01, D-33501 Bielefeld, Germany

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DOI: 10.1255/ejms.154

Positive-ion fast atom bombardment tandem mass spectrometry for characterization of sulfated unsaturated disaccharides from heparin and heparan sulfate

Tadashi Ii
Research and Development Laboratories, Soda Aromatic Co., Ltd, Noda shi, Chiba 270-02, Japan
Masayuki Kubota, Takashi Hirano and Mamoru Ohashi^*
Department of Applied Physics and Chemistry, The University of ElectroCommunications, Chofu, Tokyo 182, Japan
Satoshi Okuda
School of Agricultural Science, Nagoya University, Chikusa-ku, Nagoya 464-01, Japan

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DOI: 10.1255/ejms.155

Collision-induced photon emissions from 8 keV polyatomic ions of composition C₂,H₄,O^+• and C₂,H₅,Cl^+•

J.L. Holmes^* and P.M. Mayer
Chemistry Department, University of Ottawa, Ottawa, Canada K1N 6N5

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DOI: 10.1255/ejms.156

The mechanism of alkene elimination from the oxonium ions (CH₃CH₂)₂C=OH⁺, CH₃CH₂CH₂(CH₃)C=OH⁺ and (CH₃CH₂CH₂)₂C=OH⁺

Richard D. Bowen^*
Chemistry and Chemical Technology, University of Bradford, Bradford, West Yorkshire BD7 1DP, England
Dennis Suh and Johan K. Terlouw
Department of Chemistry, McMaster University, Hamilton, Ontario L8S 4M1,Canada

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DOI: 10.1255/ejms.157

Time-dependent mass spectra and breakdown graphs. 18. pyrene

Yun Ling, Yehiel Gotkis and Chava Lifshitz
Department of Physical Chemistry and The Fritz Haber Research Center for Molecular Dynamics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel

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DOI: 10.1255/ejms.158

A mass spectral investigation of ethylenediaminetetraacetic acid

M.F. Duarte^* and M.H. Florêncio
Faculdade de Ciência, Departamento de Química, Rua Ernesto de Vasconcelos, Edifício C1, Piso 5, 1700 Lisboa, Portugal

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DOI: 10.1255/ejms.159

Fast atom bombardment and electrospray tandem mass spectrometry. Some fragmentation reactions in cyclic nitramines studied using collision- induced dissociation

Veronica Borrett,^* Ian J. Dagley and Michael Kony
Aeronautical and Maritime Research Laboratory (AMRL)-DSTO, PO Box 4331, Melbourne, Victoria 3001, Australia
Thomas Blumenthal
Department of Chemistry, The University of Adelaide, Adelaide, South Australia 5005, Australia

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DOI: 10.1255/ejms.160

Fast atom bombardment mass spectrometry of new polydentate Schiff bases. 3. The case of mono- and bis aldimine containing benzo-5-crown-5 groups

Elvio Bullita, Sergio Tamburini, Pietro Alessandro Vigato
Istituto di Chimica e Tecnologie Inorganiche e dei Materiali Avanzati, CorsoStati Uniti 4, I- 35020 Padova, Italy
Massimo Carbini
Istituto di Chimica Industriale, Facoltà di Ingegneria, via Marzolo 9, I-35100 Padova, Italy
Silvia Catinella and Piero Traldi^*
CNR, Area di Ricerca, Corso Stati Uniti 4, I-35020 Padova, Italy

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DOI: 10.1255/ejms.161

A new general fragmentation reaction in mass spectrometry: The hydrogen-carbon, carbon-carbon double rearrangement of 2 heteroalkyl substituted diphenylmethyl cations

Maria Concetta Natoli
Dipartimento di Chimica Organica, via Archirafi 20, I-90123 Palermo, Italy
Pasquale Agozzino, Leopoldo Ceraulo,^* Mirella Ferrugia and Liliana Lamartina
Dipartimento di Chimica e Tecnologie Farmaceutiche, via Archirafi 32, I-90123 Palermo, Italy

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DOI: 10.1255/ejms.162

Dynamical parameters of ion ejection and ion formation in matrix-assisted laser desorption/ionization

Volker Bökelmann, Bernhard Spengler^* and Raimund Kaufmann
Institute of Laser Medicine, University of Düsseldorf, PO Box 101007, 40001 Düsseldorf, Germany

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DOI: 10.1255/ejms.163

Cluster formation of biomolecules in the gas phase

Michael Dey and Jürgen Grotemeyer
Institut für Physikalische Chemie, Universität Würzburg, Marcusstr. 9/11, D-97070 Würzburg, Germany

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DOI: 10.1255/ejms.153

Letter: Support for the proposed observation by ionspray mass spectrometry of piroxicam/b-cyclodextrin and terfenadine/b cyclodextrin non-covalent inclusion complexes

Antonio Selva,^*
CNR-Centro di Studio sulle Sostanze Organiche Naturali, c/o Dipartimento di Chimica, Politecnico, Via Mancinelli, 7, I 20131 Milano, Italy
Enrico Redenti, Margherita Zanol and Paolo Ventura
Chemical and Biopharmaceutical Department, Chiesi Farmaceutici SpA, Via Palermo 26A, I-43100 Parma, Italy
Bruno Casetta
Perkin-Elmer Sciex ESSC, D-8011 Vaterstetten (Munich), Germany

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DOI: 10.1255/ejms.142

Comment: A Reply to the comment on "Isodesmic reactions and thermochemistry of ions"

V.V. Takhistov
Chemical Faculty, St Petersburg State University, Stary Petershof, 198904 St Petersburg, Russia
D.A. Ponomarev^*
Faculty of Chemical Engineering, St Petersburg Forest Technical Academy,Institutski 5, 194018 St Petersburg, Russia

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DOI: 10.1255/ejms.143

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