^*Indicates author to whom correspondence should be addressed

Free radicals in mass spectrometry. Part I. General fragmentation rules for organic and organometallic compounds under electron impact

D.A. Ponomarev
Department of Chemical Engineering, St. Petersburg Forest Technical Academy, Institutski per.5, 194018 St. Petersburg, Russia
A.V. Golovin
Institute of Physics, St. Petersburg State University, 1 Ulyanovskaya str., St. Petergof, 198904 St. Petersburg, Russia
V.V. Takhistov
Center of Ecological Safety of Russian Academy of Sciences, Korpusnaya 18, 197042 St. Petersburg, Russia

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DOI: 10.1255/ejms.524

Multiple hydrogen shifts leading to ammonia loss from the molecular ions of cyanocyclohexanes

T.A. Molenaar-Langeveld, A.M. van der Burg and S. Ingemann^*
Swammerdam Institute for Life Sciences, Mass Spectrometry, Faculty of Science, University of Amsterdam, Nieuwe Achtergracht 166, 1018 WV Amsterdam, The Netherlands. E-mail: ingemann@science.uva.nl

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DOI: 10.1255/ejms.521

Electron ionization mass spectra of N(O,S)-isobutoxycarbonyl isobutyl esters of amino acids

Tim G. Sobolevsky,^* Alexander I. Revelsky and Igor A. Revelsky
Lomonosov Moscow State University, Chemistry Department, Lininskie Gory 1 Building 3, 119992 GSP-2 Moscow, Russia. E- mail: sobolevsky@environment.chem.msu.ru
Barbara Miller^* and Vincent Oriedo
The Dow Chemical Corporation, Dow Building 1707, Industrial BioMaterials Platform, Midland, MI 48674, USA. E-mail: bamiller@down.com

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DOI: 10.1255/ejms.522

Mass spectrometric investigation of protonated and cationized molecules of oxaalkyl phosphates

Natalia Lyapchenko, Rafal Franski and Grzegorz Schroeder^*
Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznan, Poland

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DOI: 10.1255/ejms.512

Can the (M· – X) region in electron capture dissociation provide reliable information on amino acid composition of polypeptides?

Kim F. Haselmann,^* Bogdan A. Budnik and Frank Kjeldsen
Department of Chemistry, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark. E-mail: kfh@chem.sdu.dk
Nicolas C. Polfer
Department of Chemistry, The University of Edinburgh, King’s Buildings, West Mains Road, Edinburgh EH9 3JJ, Scotland, UK
Roman A. Zubarev
Division of Ion Physics, Department of Materials Science, Uppsala University, Uppsala, Sweden and Department of Chemistry, University of Southern Denmark, Campusvej 55, DK-5230 Odense M, Denmark

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DOI: 10.1255/ejms.519

Calcium and peptide binding to folded and unfolded conformations of cardiac Troponin C. Electrospray ionization and Fourier transform ion cyclotron resonance mass spectrometry

Marjaana Nousiainen and Pirjo Vainiotalo
Department of Chemistry, University of Joensuu, PO BOX 111, FIN-80101 Joensuu, Finland
Helen J. Cooper, Antuan Hoxha and Peter J. Derrick
Institute of Mass Spectrometry, Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
Dorina Fati
Institute of Mass Spectrometry, Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom and Department of Chemistry, University of Liège, 4000 Sart-Tilman, Belgium
Hylary R. Trayer, Douglas G. Ward and Ian P. Trayer
School of Biosciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK

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DOI: 10.1255/ejms.523

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