^*Indicates author to whom correspondence should be addressed

Derivatization in mass spectrometry – 7. On-line derivatisation/degradation

John M. Halket
Drug Control Centre, King’s College London, Franklin-Wilkins Building, Stamford Street, London SE1 9NH, UK. E-mail: john.halket@kcl.ac.uk
Vladimir G. Zaikin
Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Leninsky prospect 29, 119991 Moscow, Russia. E-mail: zaikin@ips.ac.ru

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DOI: 10.1255/ejms.785

Cationization versus surface activity—the effect on electrospray ionization

Magdalena Frańska,^a,* Ilona Przybysz,^a Magdalena Borkowska^a and Tomasz Kozik^b
aPoznań University of Technology, Institute of Chemistry, Piotrowo 3, 60-965 Poznań, Poland. E-mail: Magdalena.Franska@fct.put.poznan.pl
^bAdam Mickiewicz University, Faculty of Chemistry, Grunwaldzka 6, 60-780 Poznań, Poland

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DOI: 10.1255/ejms.788

Generation of alkoxide anions from a series of aliphatic diols and alcohols and their ion-molecule reactions with carbon dioxide in the gas phase

M. Ravi Kumar, S. Prabhakar, T. Jagadeshwar Reddy and M. Vairamani^*
National Center for Mass Spectrometry, Indian Institute of Chemical Technology, Hyderabad, India-500 007

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DOI: 10.1255/ejms.791

Electron ionization mass spectra and tautomerism of 2-phenacylpyridines

Olli Martiskainen,^a Ryszard Gawinecki,^b Borys Ošmiałowski^b and Kalevi Pihlaja^a,*
aStructural Chemistry Group, Department of Chemistry, University of Turku, FI-20014 Turku Finland. E-mail: kpihlaja@utu.fi
^bDepartment of Chemistry, Technical and Agricultural University, Seminaryjna 3, PL-85-326 Bydgoszcz, Poland

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DOI: 10.1255/ejms.786

Efficient clustering of cyclic sulfonium salts applying liquid secondary ion mass spectrometry

Rosaria Cozzolino, Richard T. Gallagher and Thomas Drewello^*
Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK

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DOI: 10.1255/ejms.789

Electrospray ionization tandem mass spectrometry determined regioisomeric structures of disubstituted β-cyclodextrin derivatives

Hatsuo Yamamura,^a,* Toshifumi Iwata,^a Masao Kawai^a and Akihiro Sato^b
aGraduate School of Engineering, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
^bJasco International Co., Ltd, 11-10 Myojin-cho 1-chome Hachioji, Tokyo 192-0046, Japan

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DOI: 10.1255/ejms.793

Negative electrospray, ion trap multistage mass spectrometry of synthetic fragments of the O-PS of Vibrio cholerae O:1

Slávka Bekešová,^a,* Vladimír Kováčik,^a Josef Chmelík^b and Pavol Kováč^c
aInstitute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia. E- mail: chembeke@savba.sk
^bInstitute of Analytical Chemistry, Czech Academy of Sciences, Veveří 97, 811 42 Brno, Czech Republic
^cNIDDK, National Institute of Health, Bethesda, Maryland 20892-0815, USA

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DOI: 10.1255/ejms.790

Mass spectrometric sequencing and acylation character analysis of C-terminal anchoring segment from Influenza A hemagglutinin

Marina V. Serebryakova
Orekhovich Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119992, Russia
Larisa V. Kordyukova^* and Ludmila A. Baratova
Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow 119992, Russia. E-mail: kord@belozersky.msu.ru
Stanislav G. Markushin
Andjaparidze Institute for Viral Preparations, Moscow 115088, Russia

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DOI: 10.1255/ejms.792

Letter: Some more aspects of formation and stability of the protonated serine octamer cluster

Ulf Mazurek
Department of Physical Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: ykv@chem.ch.huji.ac.il

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DOI: 10.1255/ejms.783

Letter: Radical ion and protonated molecule formation with retinal in electrospray and nanospray

Thais Guaratini^a,b,c, Paul J. Gates^b, Karina H. M. Cardozo^b,c,, Patrícia M. B. G. M.Campos^a, Pio Colepicolo^c, and Norberto P. Lopes^a,b,*
a Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Via do Café S/N, CEP 14040-903, Ribeirão Preto-SP, Brazil. E-mail: npelopes@fcfrp.usp.br
^bSchool of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, UK
^cDepartamento de Bioquímica, Instituto de Química, Universidade de São Paulo, Av Professor Lineu Prestes, 748 CP 20780, CEP 05508900, São Paulo-SP, Brazil

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DOI: 10.1255/ejms.784

Letter: Steric effects in electrospray-tandem mass spectrometry of 11βnitrates of estrane series.

V.I. Kadentsev,^* A.O. Chizhov, O.S. Chizhov, and O.N. Krupinova
N.D. Zelinsky Institute of Organic Chemistry, RAS 119991, 47 Leninsky Prosp., Moscow, Russian Federation. Email: vkadents@ioc.ac.ru
V.M. Rzheznikov and L.E. Golubovskaya
Endocrinological Research Centre, RAMS 117036, 11 Dmitriya Ul’yanova Str., Moscow, Russian Federation

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DOI: 10.1255/ejms.787

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