Contents lists available at ScienceDirect International Journal of Mass Spectrometry + _< » = ELSEVIER journal homepage: www.elsevier.com/locate/ijms Contents 1-7 CWA Break(oao0w)n Products ri nge mprant Product Survey of ion energetics properties of chemical weapon agent (CWA) breakdown products using G3(MP2) theory Anthony J. Midey, Thomas M. Miller, A.A. Viggiano > We calculatetdh e i energet i chemical weapon agent Dreakdown | I *oSitive ion reac-tiot should best ionize these products for spectrometry methods. ® G3( MP2) data show OF harge transfer reactions create signature p 8-14 Uranium isotope abundance ratios in natural uranium metal certified reference material 112-A K. Mathew, P. Mason, A. Voeks, U. Narayanan > The | *U and 112-A and CRM 145 are Oratianod n modified total ¢ por ell reement ertainties the CRM 112-A Ss ihe number ofr aph ates enaryres U rat are 1iculated low Ne UM 1 re ertilie tope abundanc excellent agreement with the it tained in the IRMM measurement campaign. ® Traceal measured isotopic ratios with § t id wit S nucl eference materials is established t use of CRM U030-A 15-21 intracluster ion-molecule reactions between V* and methyl acetate or ethyl acetate clusters Dababrata Paul, Kiryong Hong, Tae Kyu Kim, Jun-Sik Oh, Kwang-Woo Jung > Intraciuster ion—molecule reactior ! vanadium ion and alkyl acetate were studied > Competitive V* insertions and fragmentation mec hanism were proposed. ® Evidencfeo r H atom migration within heteroclusters is provided by isotope-labeling experiments > Density functional theory calculations rationalize the reaction pathways and energetics Metal condensates for low-molecular-weight matrix-free laser desorption/ionization A. Prabhakaran, J. Yin, B. Nysten, H. Degand, P. Morsomme, T. Mouhib, S. Yunus, P. Bertrand, A. Delcorte 1 surfaces Dy ser ablatio&n T.h e valent thickness | f 1e Samples 1] enhancement > The mai Comprehensive two-dimensional separation for the analysis of alkylphenol ethoxylates employing hydrophilic interaction chromatography coupled with ion mobility- mass spectrometry Qiang Ma, Guang-Cheng Xi, Chao Wang, Hua Bai, Qing Zhang, Hai-Wei Xi, Zi-Ming Wang, Liang-Hong Guo Dissociative electron attachment to the silane derivatives trichlorovinylsilane (SiCI,C,H,), tetravinylsilane (Si(C,H,),) and trimethylvinylsilane (Si(CH,),C,H,) Jaroslav Kotisek, Eugen Illenberger, Stefan Matejcik ® DEA to selected vinylsilanes is studied in Oe\ particular react hannels are reveale - ns about the role Collision induced dissociation study of the major components of silymarin Akos Kuki, Bernadett Biri, Lajos Nagy, GyOrgy Deak, J6zsef Kalmar, Rientleantsiivtey Attila Mandi, Mikl6s Nagy, Miklés Zsuga, Sandor Kéki > Energy dependence of the fragmentation of the silymarin components is reported > Survival yield and breakdown curve plots are presented. ® Distinct fragmentation behavior Mf silybins and isosilybins was observed. ® In the basis of MS/MS experiments and conformational analysis the observations were explained 55-59 Light induced suppression of sulfur in a cesium sputter a | ion source Martin Martschini, Johan Rohlén, Pontus Andersson, Robin Golser, Dag Hanstorp, Anton O. Lindahl, Alfred Priller, Peter Steier, Oliver Forstnet e effect of Cw lase was reduced | urrent Deca 60-65 Negative ion laser ablation glow discharge-time of flight mass spectrometry of organic molecules G. Lotito, D. Giinther > Negative ion (NI ablation coupled t TOF-MS. ® NI meas a ew ee mm pegs nage -T or ~ ng iene eae > lonizationi n NI m 66-73 Atmospheric pressure visible-wavelength MALDI-MS Zhen Sun, Eric W. Findsen, Dragan Isailovic 74-80 A hybrid approach to calculating Coulombic interactions: An effective and efficient method for optimization of simulations of many ions in quadrupole ion storage device with SIMION Kenichiro Saito, Peter T.A. Reilly, Eiko Koizumi, Hideya Koizumi » Developed a new algorithm for calculating time consumin ion repulsive interaction. ® Demon-stration of the accuracy of the algorithm. ® Sienificant improvement in the computational time