Dynamics of Hydrogen and Methyl Radical Loss from Ionized Dihydro-Polycyclic Aromatic Hydrocarbons: A Tandem Mass Spectrometry and Imaging Photoelectron–Photoion Coincidence (iPEPICO) Study of Dihydronaphthalene and Dihydrophenanthrene. Helium Nanodroplet Isolation of the Cyclobutyl, 1-Methylallyl, and Allylcarbinyl Radicals: Infrared Spectroscopy and Ab Initio Computations. P M Mishra, J Rajput, C P Safvan, S Vig, U Kadhane. Chemical derivatization and mass spectral libraries in metabolic profiling by GC/MS and LC/MS/MS. Elemental Speciation Measurements with Electrospray Mass Spectrometry: An Assessment. Tsang-Yu Liu, Lung-Lin Shiu, Tien-Yau Luh, Guor-Rong Her. While the fluorescence quantum yield drops by a factor of 50-100, the isomerization quantum yields remain essentially const., implying that the nonradiative process does not directly involve isomerization. Isomerization of the dissocg. (BIRD). Chapter 4 Mass spectrometry: Liquid chromatography - mass spectrometry. ESI‐MSn spectra of the tetra(aryl)benzidine molecular ions exhibit a characteristic feature in the loss of radicals. Information. Reaction pathways leading to several dissocn. Krisztina Voronova, Chrissa M. Mozaffari Easter, Kyle J. are thermodynamically stable for q ≤ 2 (naphthalene, biphenylene, and anthracene), q ≤ 3 (pyrene), and q ≤ 4 (coronene). A tight transition state was found for the C2H2 elimination from phenanthrene. Systematic study of the effects of experimental parameters on the beam-induced dehalogenation of chlorpromazine in liquid secondary ion mass spectrometry. Electrical Equivalence of Electrospray Ionization with Conducting and Nonconducting Needles. Gross, C.D. Electrospray ionization for determination of non-polar polyaromatic hydrocarbons and polyaromatic heterocycles in heavy crude oil asphaltenes. The ab initio/Rice-Ramsperger-Kassel-Marcus (RRKM) approach in conjunction with ab initio calcns. G. Torma, Krisztina Voronova, Bálint Sztáray. Metal-substituted tungstosulfates with Keggin structure: synthesis and characterization. Comprehensive analysis of metalloporphyrins via high irradiance laser ionization time-of-flight mass spectrometry. Investigation of chemical reactions in solution using API-MS. E Peter Maziarz III, Gary A Baker, Troy D Wood. Mass-selected C8H6+ ions are investigated by different mass spectrometric techniques, such as collisional activation (CA), neutralization reionization (NR), and charge reversal (CR). Xueheng. Willem J. Bouma, Dieter Poppinger, Leo Radom. Fifteen fragmentation processes in naphthalene and twelve in azulene have been examd. T were used to interpret UPS. Simultaneous electrochemical oxidation/ionization of a selenoxanthene revealed by on-line electrospray-high resolution mass spectrometry. Peter Weidner, Krisztina Voronova, Andras Bodi, Bálint Sztáray. Mass spectrometric studies of structural isomers—II: Mono-and bicyclic C6H10 molecules. Artifacts in Amine Analysis from Anodic Oxidation of Organic Solvents upon Electrospray Ionization for Mass Spectrometry. Dissociation of the Anthracene Radical Cation: A Comparative Look at iPEPICO and Collision-Induced Dissociation Mass Spectrometry Results. calcns. PECTROMETRY. International Journal of Mass Spectrometry and Ion Processes. Extending the coordination chemistry of cobalt with the metalloligand [Pt2(μ-S)2(PPh3)4]: Synthesis of the first cobalt(III) derivatives. Evading metal adduct formation during desorption-ionization mass spectrometry. The American Chemical Society holds a copyright ownership interest in any copyrightable Supporting . Screening of organic compounds in complexly contaminated scrubber dust by GC × GC-MS and FT-ICR-MS. Bettina D. Gliemann, Volker Strauss, Jakob F. Hitzenberger, Pavlo O. Dral, Frank Hampel, Jean-Paul Gisselbrecht, Thomas Drewello, Walter Thiel, Dirk M. Guldi, Milan Kivala. You’ve supercharged your research process with ACS and Mendeley! High-performance liquid chromatography—mass spectrometry (pneumatically assisted electrospray) of hydroxy polycyclic aromatic hydrocarbons. Gas-phase ion/ion reactions of rubrene cations and multiply charged DNA and RNA anions. David A. Laude, Carolyn L. Johlman, Robert S. Brown, David A. Weil, Charles L. Wilkins. The Franck-Condon profiles for both 1-naphthyl (α-naphthyl) and 2-naphthyl (β-naphthyl) are simulated on the basis of d. functional theory calcns. OURIER The thermal rearrangement of phenylnitrene to cyanocyclopentadiene. Biomimetic modeling of oxidative drug metabolism. Roby Chacko, Shreyak Banhatti, Saroj Barik, G. Aravind. Beatriz Helena Lameiro de Noronha Sales Maia. (1989) are discussed. Review of molecular modification techniques for improved detection of biomolecules by mass spectrometry. It models the dissociative photoionization process in the threshold PEPICO expt. Appearance potentials detd. P. Goldberg, J. Electronic Structures and Reactivities of Aliphatic Small-Membered-Ring Compounds. ag vibronic levels show significant intensity in Δν = +1 transitions in nontotally sym. of PAHs in the interstellar medium. Kinetic shifts are much higher than for the analogous Br• loss reaction in the bromobenzene ion. Ambient analysis of saturated hydrocarbons using discharge-induced oxidation in desorption electrospray ionization. The authors have studied the stability of PAHs in the regions of high UV radiation where the IR emission bands attributed to PAHs are obsd.

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