^*Indicates author to whom correspondence should be addressed

The Ion Conveyor. An ion focusing and conveying device

Alex W. Colburn, A.E. Giannakopulos and Peter J. Derrick
Institute of Mass Spectrometry and Department of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom

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DOI: 10.1255/ejms.630

MICRA : A compact permanent magnet Fourier transform ion cyclotron resonance mass spectrometer

G. Mauclaire, J. Lemaire, P. Boissel, G. Bellec, M. Heninger^*
Laboratoire de Chimie Physique (UMR 8000, affiliated to CNRS), Bât. 350, Université Paris-Sud, 91405 Orsay cedex, France. E-mail: michel.heninger@lcp.u-psud.fr

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DOI: 10.1255/ejms.620

Design, setup and first results of a miniaturized time-of-flight mass spectrometer with a simple reflector of a new design

Andreas Uphoff, Tassilo Muskat and Jürgen Grotemeyer^*
Institute for Physical Chemistry, Christian Albrechts University at Kiel, Olshausenstr. 40, D-24098 Kiel, Germany. E-mail: grote@phc.uni-kiel.de

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DOI: 10.1255/ejms.632

Excitation of ions by high-harmonic frequency components in Paul and Penning traps and ion guides. I. Selective simultaneous dipolar excitation of high charge states with clipped sinusoidal and non-harmonic waveforms in a linear quadrupole ion guide

V. Sergey Rakov and Craig M. Whitehouse
Analytica of Branford, Branford, CT 06512, USA

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DOI: 10.1255/ejms.627

The coupling of supercritical fluid chromatography and field ionization time-of-flight high-resolution mass spectrometry for rapid and quantitative analysis of petroleum middle distillates

Kuangnan Qian,^* John W. Diehl, Gary J. Dechert and Frank P. DiSanzo
ExxonMobil Research and Engineering Company, 1545 Route 22 East, Annandale, NJ 08502, USA

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DOI: 10.1255/ejms.596

Trace analysis of organics in air by corona discharge atmospheric pressure ionization using an electrospray ionization interface

Eugene Nikolaev, Leah S. Riter, Brian C. Laughlin, Eric Handberg and R. Graham Cooks^*
Chemistry Department, Purdue University, West Lafayette, IN 47907, USA. E-mail: cooks@purdue.edu

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DOI: 10.1255/ejms.597

Soft ionization mass spectrometry of chromanols produces radical cation molecular ions

Thomas R. Sharp
Analytical Research & Development Department, Pfizer Global Research & Development, Eastern Point Road, Groton, CT 06340, USA

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DOI: 10.1255/ejms.639

Kinetic energy release of protonated methanol clusters using the low-temperature fast-atom bombardment: experiment and theory combined

Ágnes Gömöry,^a Péter Végh,^b Judit Sztáray,^a Lárszló Drahos^a and Kárroly Vékey^a*
aChemical Research Center, Hungarian Academy of Sciences, Pusztaszeri 59-67, H- 1025 Budapest, Hungary. E-mail: vekey@chemres.hu
^bNational Institute for Research and Development of Isotopic and Molecular Technologies, R-3400 Cluj- Napolca, PO Box700, Romania

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DOI: 10.1255/ejms.640

Is collision-induced dissociation of low-energy carbonyl sulfide cations adversely affected by asymmetry?

Anil K. Shukla
Department of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA

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DOI: 10.1255/ejms.635

Gas-phase ion–molecule reactions of small nitroalkanes and their deprotonated anions

Shuji Kato,^* Kathleen E. Carrigan, Charles H. DePuy^* and Veronica M. Bierbaum^*
Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309- 0215, USA

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DOI: 10.1255/ejms.628

Trends in alkyl substituent effects on nucleophilic reactions of carbonyl compounds: Gas phase reactions between amines and the methoxy methyl cation

Lihn Bache-Andreassen and Einar Uggerud^*
Department of Chemistry, University of Oslo, PO Box 1033 Blindern, N-0315 Oslo, Norway

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DOI: 10.1255/ejms.533

Collisionally-induced dissociation of purine antiviral agents: mechanisms of ion formation using gas phase hydrogen/deuterium exchange and electrospray ionization tandem mass spectrometry

Amin M. Kamel
Department of Pharmacokinetics, Dynamics and Metabolism, Pfizer Global Research and Development, Groton Laboratories, Groton, CT 06340, USA
Burnaby Munson
Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, USA

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DOI: 10.1255/ejms.538

Energetics and dynamics of peptide fragmentation from multiple-collision activation and surface-induced dissociation studies

Julia Laskin
Fundamental Science Directorate, Pacific Northwest National Laboratory, PO Box 999 (K8-88), Richland, WA 99352, USA. E-mail: Julia.Laskin@pnl.gov

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DOI: 10.1255/ejms.641

Analysis of sugar epimers using mass spectrometry: N-acetyllactosamine-6,6′-disulfate and the 2′-epimer

Yoko Ohashi,^a,* Yoshiyuki Itoh,^b, Masayuki Kubota,^c Kensaku Hamada,^b Mamoru Ohashi,^d Takashi Hirano^b and Haruki Niwa^b
aCenter for Instrumental Analysis, The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
^bDepartment of Applied Physics and Chemistry, The University of Electro-Communications 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
^cThermo Electron Corporation, 3-9 Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa 221-0022, Japan
^dDepartment of Chemistry, Kanagawa University, Tsuchiya, Hiratsuka, Kanagawa 259-1293, Japan

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DOI: 10.1255/ejms.629

Mass spectrometric differentiation of α- and β-aspartic acid in a pseudo-tetrapeptide thrombosis inhibitor and its isomer

Nganha C. Luu,^a,c Scott Robinson,^a R. Zhao,^b R. McKean^b and Douglas P. Ridge^a*
aDepartment of Chemistry and Biochemistry, University of Delaware, Newark, DE 19716, USA
^bRhone-Poulenc Rorer, Collegeville, PA 19426, USA

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DOI: 10.1255/ejms.634

Optimization of conditions for studies of protein unfolding by hydrogen exchange/mass spectrometry

A.S. Raza and D.L. Smith
Department of Chemistry, University of Nebraska, Lincoln, NE 68588-0304, USA. E-mail: dsmith7@unl.edu

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DOI: 10.1255/ejms.631

Mass spectrometric detection of protein, lipid and heme components of cytochrome c oxidase from R. sphaeroides and the stabilization of non- covalent complexes from the enzyme

Anne M. Distler and John Allison^*a
Department of Chemistry, Michigan State University, East Lansing, MI 48824-1322, USA. E-mail: allison@cem.msu.edu
CarrieCarrie Hiser, Ling Qin, Yasmin Hilmi and Shelagh Ferguson-Miller
Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824-1322, USA

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DOI: 10.1255/ejms.594

Contact regions in the dimer of Alzheimer β-amyloid domain [1–28] studied by mass spectrometry

Aiqun Li and Catherine Fenselau^*
Department of Chemistry and Biochemistry, University of Maryland Baltimore County, Catonsville, MD 21250, USA. E-mail: fenselau@umail.umd.edu

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DOI: 10.1255/ejms.642

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