Journal Articles

Jo Rita Jordan, Analytical Consumer, edition of Analytical Consumer covering Time-of-Flight Mass Spectrometry, 6(1), (1995).

"MALDI-TOFMS Pulses Ahead," MALDI-TOF Product Review, Anal. Chem., 497A, (1995).

Representative Articles by Comstock Customers

Aguilera, J. A.; F. Blanco, J. Campos (Universidad Complutense de Madrid, Cuidad Universitaria, Madrid, Spain) M. Ortiz (CIEMAT, Madrid, Spain). "Lifetimes of some 6p levels of neutral argon," Phys. Rev.A, 45, 2753 (1992).

Appling, J. R.; M. R. Harbol, R. A. Edgington (Department of Chemistry, University of Kentucky, Lexington Kentucky) and A. C. Goren, S. Lai (Department of Chemistry, Transylvania University, Lexington, Kentucky) "Charge exchange reactions of state-selected sulfur ions with OCS," Chem. Phys. Lett. 184, 428 (1991).

Aragon, C.; J. A. Aguilera, F. Blanco, and J. Campos (Universidad Complutense de Madrid, Madrid, Spain). "A simple and compact system for energy, charge, and mass analysis of ions formed in laser-produced plasmas," Vacuum, (1993). Galley proof

Arkhipkin, V. G. and A. K. Popov (L. V. Kirenskii Institute of Physics, Siberian Branch of the Academy of Sciences of USSR, Krasnoyarsk, Russia). "Nonlinear optics and transformation of light in gases," Sov. Phys. Usp., 30, 952 (1987).

Banares, L.; and A. G. Urena (Departmento de Quimica Fisica, Universidad Complutense de Madrid, Madrid, Spain) "Laser-induced cross-beam charge transfer: energy threshold of the Na (32P3/2)+I2->Na++I2 channel," Chem. Phys. Lett., 176, 178 (1991).

Banares, "Chemi-ionization cross-section by time profile measurements under crossed-beam conditions. The Ba + C12 -> BaC1+ + C1- reactions," J. Mole. Struct., 258, 271 (1992).

Bencsura, A. (Department of Chemistry, Catholic University of America, Washington, DC, USA) and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA) "Protein Conformation, Hydrogen Bonding, and Energy Transfer in MALDI," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 922 (1995).

Bencsura, A. (Department of Chemistry, the Catholic University of America, Washington, DC, USA) and A. Vertes (George Washington University, Washington DC, USA) "Dynamics of hydrogen bonding and energy transfer in matrix-assisted laser desorption," Chem. Phys. Lett. 247, 142 (1995).

Bigio, L. (GE Research & Development Center, Applied Physics Laboratory). "Laser SERS Diagnostics of HBr in Tungsten Halogen Lamps," GE Technical Information Service Publication, 1990.

Christopher, Steven J.; Mark A. Parker, and R. Kenneth Marcus (Department of Chemistry, Clemson University, Clemson South Carolina 29634 USA). "Ion Imaging Using a Charge Injection Device (CID) Detector," in Proceedings of the 44th ASMS Conference on Mass Spectrometry anad Allied Topics, p. 82 (1996)

Cramer, R..; F. Hillenkamp (institut fur Medizinische Physik und Biophysik, Westfalische/Wilhems Universitat, Munster, Germany); and R. F. Haglund, Jr. (Departments of Physics and Astromony and Free-Electron Laser Center for Biomedical and Materials Research, Vanderbilt University, Nashville, Tennessee, USA). "Infrared Matrix-Assisted Laser Desorption and Ionization by Using a Tunable Mid-Infrared Free-Electron Laser," J. Am. Soc. Mass Spectrom. 7 (12), p. 1187 (1996).

de la Cruz, A.; M. Ortiz, J. A. Cabrera (CIEMAT, Madrid, Spain) J. Campos (Universidad Complutense de Madrid, Madrid, Spain). "Isotopically-selective two-photon ionization of 12C- and 13C-benzene and hexadeuterobenzene in a time-of-flight mass spectrometer," Int. J. of Mass Spec. and Ion Processes (1994). Galley proof

DeSerio, R. (Department of Physics, University of Tennessee, Knoxville, Tennessee, USA). "Spherical sector electrostatic analyzers for measurements of energy and angular distributions," Rev. Sci. Instrum, 60, 381 (1989).

Dimov, S. S.; J. Y. Cai, and R. H. Lipson (Department of Chemistry, University of Western Ontario, London, Ontario, Canada). "Two-photon time-of-flight spectra of Xe2," J. Chem. Phys., 101, 10313 (1994).

Dimov, S. S.; R. H. Lipson, T. Turgeon, J. A. Vanstone, P. Wang, and D. S. Yang (Department of Chemistry, University of Western Ontario, London, Ontario, Canada). "Vacuum Ultraviolet Laser/Time-of-Flight Mass Spectroscopy: Ion-Pair Spectra of 79Br35CI," J. Chem. Phys., 100, 8666 (1994).

Dimov, S. S.; X. K. Hu, D. M. Mao, and R. H. Lipson (Department of Chemistry, University of Western Ontario, London, Ontario, Canada). "Xe2 and Kr2 Gerade State Symmetries by Polarization Measurements," Chem. Phys. Lett. 239, p. 332 (1995).

Ding, D.; J. Huang, R. N. Compton, C. E. Klots, and J.A. Stockdale (Oak Ridge, National Laboratory, Oak Ridge, Tennessee, USA). "cw Laser Ionization of C60 and C70," Phy. Rev. Lett., 73, p. 1084 (1994).

Donohue, D. L.; J. P. Young, and D. H. Smith (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA). "Resonance ionization photoelectron spectroscopy of lanthanide elements," J. Chem. Phys. 85, p. 4794 (1986).

Dreifuss, P. A.; J. Braatz, and D. Peru (W. R. Grace & Co., Columbia Maryland, USA) A. Vertes, X. Tang, (Department of Chemistry, George Washington University, Washington, DC, USA). "Glycosylated End-Products of Beta 2-Microglobulin in Serum by Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 1170 (1995).

Fajardo M. E.; M. Macler , (Phillips Laboratory, Edwards Air Force Base, California, USA). "Velocity Selection of Laser Ablated Metal Atoms by a Novel Non-Mechanical Technique," in Proceeding of the Material Research Society, Spring, (1995).

Fischer, D. A.; K. G. Lynn, and W. E. Frieze (Brookhaven National Laboratory, Upton, New York, USA). "Reemitted-Positron Energy-Loss Spectroscopy: A Novel Probe of Adsorbate Vibrational Levels," Phys. Rev. Lett. 50 p. 1149 (1983).

Fittinghoff, D. N.; P. R. Bolton, B. Chang, L. D. van Woerkom, and W. E. White (Lawrence Livermore National Laboratory, Livermore, California, USA). "Ion yields from strong optical field ionization experiments using 100 femtosecond laser pulses," SPIE, 1413, 81 (1991).

Garcia, G.; C. Aragon, and J. Campos (Laboratorio de Fisica Atomica Laseres del Centro de Investigaciones Energeticas Mediambientales y technologicas and Catedra de Fisica Atomica, Universidad Complutense de Madrid, Cuidad Universitaria, Madrid, Spain). "Total cross sections for electron scattering from CO in the energy range 380-5200 eV," Phys. Rev. A, 42(7), 4400 (1990).

Garcia, G.; A. Perez, J. Campos (Universidad Complutense de Madrid, Cuidad Universitaria, Madrid, Spain). "Total cross section for electron scattering from N2 in the energy range 600-5000 eV," Phys. Rev.A, 38(2), 654 (1988).

Garcia, G.; F. Arqueros, and J. Campos (Universidad Complutense de Madrid, Cuidad Universitaria, Madrid, Spain). "Total cross sections for electron scattering from Ne, Ar and Kr in the energy range 700-6000 eV," J. Phys. B, 19, 3777 (1986).

Gibson, J. K.; (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA). "Resonant Laser Ablation Mass Spectrometry of Barium Compounds: Enhanced Ionization at the 455.4 nm Ba+ Absorption," Rap. Comm. in Mass Spec., 10, 256 (1996).

Gibson, J. K.; (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA) "Laser ablation synthesis of lanthanide oxide clusters: Mechanisms and chemistry," J. Appl. Phys., 78, 1274, (1995).

Gibson, J. K.; (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA) "Laser Ablation Synthesis of Lanthanide Oxide Cluster Ions Incorporating a Heterovalent Metal," J. Phys. Chem. 100, 507 (1995).

Gibson, J. K.; (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA). "Excimer laser ablation mass spectrometry of inorganic solids: Chemical, matrix, and sampling effects on Polyatomic ion yields," J. Vac. Sci. Technol., 13(4), 1945 (1995).

Gibson, J. K. (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA). "Lanthanum Oxide Cluster Ions Produced by Laser Ablation," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 688.

Gibson, J. K.; (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA). "Clusters Formed Directly from Laser Ablation of Ytterbium Oxide: Yb3O4+ and Yb6O8+," J. Phys. Chem. 98, 6063, (1994).

Gibson, J. K.; (Oak Ridge National Laboratory, Oak Ridge, Tennessee, USA) "Lanthanide Oxide Cluster Ions Generated by Vacuum Laser Ablation: Metal Valence Effects on Cluster Compositions," J. Phys. Chem., 98(44), 11321 (1994).

Lennard, W. N.; G. R. Massoumi, P. J. Shultz, P. J. Simpson (Department of Physics, University of Western Ontario, London, Ontario, Canada) G. C. Aers (National Research Council of Canada, Ottawa, Ontario, Canada). "Stopping Powers for Positrons and Electrons," Phy. Rev. Lett., 74(20), 3947 (1995).

Lipson, R. H.; S. S. Dimov, J. Y. Cai, P. Wang, and H. A. Bascal(Department of Chemistry, University of Western Ontario, London, Ontario, Canada). "Mass-resolved two-photon spectra of Kr2," J. Chem. Phys., 102, 5881 (1995).

Macler, M.; and M. E. Fajardo (Phillips Laboratory, Edwards Air Force Base, California, USA). "Comparison of short range and asymptotic measurements of the kinetic energy distributions of laser ablated aluminum atoms," Appl. Phys. Lett., 65, 159 (1994).

Macler, M.; M. E. Fajardo (Phillips Laboratory, Edwards Air Force Base, California, USA). "Velocity selection of fast laser ablated aluminum atoms by temporally and spatially specific photoionization," Appl. Phys. Lett., 65, 2275 (1994).

Massoumi, G. R.; W. N. Lennard, P. J. Schultz, T. A. Porcelli, and P. J. Simpson (Department of Physics, University of Western Ontario, London, Ontario, Canada) "Energy loss measurements for 20 keV positrons in A1 thin films," Appl. Surf. Sci., 85, 39 (1995).

Nonaka, H.; T. Shimizu, S. Ichimura, and K. Arai (Electrochemical Laboratory, Tsukuba, Japan). "In situ observation of growing surface of oxide films by RHEED beam excited AES," submitted to J. Vac. Sci. Technol., (1993).

Nonaka, H.; T. Shimizu, S. Ichimura, and K. Aria (Electrochemical Laboratory, Tsukuba, Japan). "In situ observation of growing surface of oxide films by reflection high-energy electron diffraction beam excited Auger electron spectroscopy," J. Vac. Sci. & Tech. A, 11, 2676 (1993).

Nonaka, H.; T. Shimizu, and K. Arai (Electrochemical Laboratory, Tsukuba, Japan). "In situ observation of the growing surface of Yba2Cu3O7- films by reflection high-energy electron diffraction beam excited AES," Physica C 217, 280 (1993).

Olumee, Z.; M. Sadeghi, X. Tang, and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "Amino Acid Composition and Wavelength Effects in Matrix-Assisted Laser Desorption/Ionization," Rapid Comm. Mass Spectrom., 9, 744 (1995).

Olumee, Z. and A. Vertes (Department of Chemistry, George Washingotn University, Washington, DC, USA). "Amino Acid Composition and Wavelength Effects in Matrix-Assisted Laser Desorption Ionization," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 1252 (1995).

Sadeghi, M. and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "Semi-Empirical Study of Proton Transfer in MALDI-MS of Small Peptides," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 1241 (1995).

Soloveytchik, B; J. H. Miller, and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "Enhanced Detection Limits for High Molecular Weight PAHs Using Direct LD-TOF MS," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 957 (1995).

Szente, L. (Cyclolab, Budapest, Hungary) R. Gijbels (Department of Chemistry, University of Antwerp, Wilrijk, Belgium) X. Tang and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "Analysis of Mycotoxins from Amanita Phalloides by Matrix-Assisted Laser Desorption Mass Spectrometry," in Proceedings of the 41st ASMS Conference on Mass Spectrometry and Allied Topics, p. 678 (1993).

Tang, X.; P. A. Dreifuss, and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "New Matrices and Accelerating Voltage Effects in Matrix-assisted Laser Desorption/Ionization of Synthetic Polymers," Rapid Commun. Mass Spectrom., 9, 1141 (1995).

Tang, X.; A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA) P. Dreifuss, C. Hull, W. Dutton (Washington Research Center, W. R. Grace & Co. Columbia, Maryland, USA). "Reverse Engineering of Industrial Polymer Formulations by Maldi-MS," in Proceedings of the 43rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 21 (1995).

Tang, X.; A. Vertes (George Washington University, Washington DC, USA) J. H. Callahan (Chemistry Division, Naval Research Laboratory, Washington, DC, USA) P. Zhou (Cruachem, Dulles, Virginia, USA). "Noncovalent Protein-Oligonucleotide Interactions Monitored by Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry," Anal. Chem. 67, 4542 (1995).

Tang, X. and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "Disulfide Cleavage and Metal-Protein Interaction Observed by Matrix-Assisted Laser Desorption Ionization Mass Spectrometry," in Proceedings of the 42rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 968 (1994).

Tang, X. and A. Vertes (Department of Chemistry, George Washington University, Washington, DC, USA). "Matrix-Assisted Laser Desorption Analysis of Protein-Carbohydrate-Oligonucleotide Mixtures," in Proceedings of the 42rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 969 (1994).

Tang, X.; R. Donaldson and A. Vertes Departments of Chemistry and Biological Sciences, George Washington University, Washington, DC, USA). "pH Effects and Insulin Cleavage in Matrix-Assisted Laser Desorption Mass Spectrometry," in Proceeding of the 41st ASMS Conference on Mass Spectrometry and Allied Topics, p. 666 (1993).

Tyliszczak, T.; and A. P. Hitchcock (McMaster University, Hamilton, Canada). "Near-edge electron energy loss fine structure: Core excitation of chemisorbed molecules in the laboratory," J. Vac. Sci. Technol. 8, 2552 (1990).

Tyliszczak, T.; F. Esposito, and A. P. Hitchcock (McMaster University, Hamilton, Canada). "First Observation by Reflection-Electron-Energy-Loss Spectroscopy of Carbon and Nitrogen K-Shell Near-Edge Spectra of Chemisorbed Molecules," Phys. Rev. Lett., 62, 2551 (1989).

Tyliszczak, T.; M. DeCrescenzi and A. P. Hitchcock (McMaster University, Hamilton, Canada). "Cu/Ag(III) interface studied by surface electron energy-loss fine-structure spectroscopy," Phys. Rev. B, 37, 10664 (1988).

Urena, "Experimental Methods for Reaction Threshold Determination Using Molecular Beam and Laser Techniques," J. Phys. Chem., 96, 8212 (1992).

Vertes, A. (Department of Chemistry, George Washington University, Washington, DC, USA). "Ionization and Selective Volatilization Processes in Matrix-Assisted Laser Desorption Ionization,"in Proceedings of the 42rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 2 (1994).

Vertes, A. (Department of Chemistry, George Washington University, Washington, DC, USA). "Heat Load on Guest Molecules in Matrix-Assisted Laser Desorption," in Proceedings of the 41rd ASMS Conference on Mass Spectrometry and Allied Topics, p. 777 (1993).

Wallmeroth, K.; G. Bollen, A. Dohn, P. Egelhof, J. Gruner, F. Lindenlauf, U. Kronert, H. J. Kluge (Universitat Mainz, Mainz, Germany) J. Campos, A. R. Yunta (Universidad Complutense de Madrid, Cuidad Universitaria, Madrid, Spain) M. J. G. Borge, A. Venugopalan (CERN, Geneva, Switzerland) J. L. Wood (Georgia Institute of Technology, Atlanta, Georgia, USA) R. B. Moore (McGill University, Montreal, Canada). "Sudden Change in the Nuclear Charge Distribution of Very Light Gold Isotopes," Phys. Rev. Lett, 58, 1516 (1987).

Wang, P.; S. S. Dimov, G. Rosenblood, and R. H. Lipson (Department of Chemistry, University of Western Ontario, London, Ontario, Canada). "Vibrational Reassignment of the 21 u+ X1 g+ transition of Cl2," J. Phys. Chem. 99, 3984 (1995).

Wang, "Vibrational Reassignment of the 21 u<-X1 g Transition of CI2 ," J. Phys. Chem., 1995, 3984 (1995).

Wang, P.; I. V. Okuda, S. S. Dimov, and R. H. Lipson (Department of Chemistry, University of Western Ontario, London, Ontario, Canada). "Mass-resolved VUV laser spectra in the vicinity of the Rydberg minimum of the 1 1 u+ state of C12*," Chem. Phys. Lett. 229, 370 (1994).