Pages 1–5
doi: 10.1255/ejms.904 Misphasing of ion motion in quadratic potential induced by space-periodic
disturbance Ivan A. Boldin and Eugene N. Nikolaev*Institute for Energy Problems of Chemical Physics, Russian Academy of Sciences, 38 Leninsky prosp.
Bld. 2, Moscow 119334, Russia and Institute of Biochemical Physics, Russian Academy of Sciences, Kosygina 4, Moscow 119334, Russia. E-mail: ennikolaev@rambler.ru
Pages 7–15
doi: 10.1255/ejms.907 Ion optical evaluation of a miniature double-focusing mass spectrograph Masaru Nishiguchi,a,b Morio Ishihara,a Itsuo Katakusea and Michisato Toyodaa,*
aDepartment of
Physics, Graduate School of Science, Osaka University, 1–1 Machikaneyama, Toyonaka, Osaka 560–0043, Japan. E-mail: toyodam@phys.sci.osaka-
u.ac.jp
bCurrent address: Production/Design Technology Center, Shimadzu Corporation, 1 Nishinokyo-Kuwabaracho Nakagyo-ku, Kyoto 604–8511,
Japan
Pages 17–25
doi: 10.1255/ejms.903 Electron-transfer-induced decomposition of 1,2-dioxetanes in negative-mode
matrix-assisted laser desorption/ionization time-of-flight mass spectrometry Hisako K. Ijuin,a,* Masaki Yamada,b Mamoru
Ohashi,c Nobuko Watanabec and Masakatsu Matsumotoc
aHi-Tech Research Center, Kanagawa University,
Tsuchiya, Hiratsuka, Kanagawa 259-1293, Japan. E-mail: ijyuuh-01@kanagawa-u.ac.jp
bLife Science Laboratory, Shimadzu Corporation, Nishinokyo-
Kuwabaracho, Nakagyo-ku, Kyoto 604-8511, Japan
cDepartment of Chemistry, Faculty of Science, Kanagawa University Tsuchiya, Hiratsuka, Kanagawa 259-
1293, Japan
Pages 27–35
doi: 10.1255/ejms.906 Differentiation of 2-alkylthioorotic acids, methyl and ethyl 2-alkylthioorotates and
hydrazides of 2-alkylthioorotic acids by using electron ionization mass spectra Grazyna Bartkowiak
Department of Supramolecular Chemistry, Faculty of
Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland. E-mail: gbartkow@amu.edu.pl
Pages 37–47
doi: 10.1255/ejms.905 Structural characterization and differentiation of isomeric ω-
bromoalkoxy derivatives of (E)-chalcone by means of mass spectrometry Zdzisława Nowakowska
Faculty of Chemistry, Adam Mickiewicz
University, Grunwaldzka 6, 60-780 Poznań, Poland. E-mail: zdzisian@amu.edu.pl
Pages 49–59
doi: 10.1255/ejms.908 Electrospray tandem mass spectrometry of β-nitroalkenyl meso-
tetraphenylporphyrins Eduarda M.P. Silva,a Pedro Domingues,b João P.C. Tomé,a M. Amparo F.
Faustino,a M. Graça P.M.S. Neves,a Augusto C. Tomé,a Daniel Dauzonne,c Artur M.S.
Silva,a José A.S. Cavaleiro,a António J. Ferrer-Correiab and M. Rosário M.
Dominguesb,*
aOrganic Chemistry Group, Department of Chemistry, University of Aveiro, 3810–193 Aveiro,
Portugal
bMass Spectrometry Group, Department of Chemistry, University of Aveiro, 3810–193 Aveiro, Portugal. E-mail:
mrd@ua.pt
cUMR 176 CNRS, Institut Curie, Section de Recherche, 26 rue d'Ulm, 75248 Paris cedex 05, France
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