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Author: Matthew J. Simpson Publisher: Springer Science & Business Media ISBN: 3642231292 Category : Science Languages : en Pages : 169
Book Description
In this thesis Matthew Simpson reportstwo areas of work in gas ion spectroscopy, each investigation in itself worthy of a PhD. The first study uses tunable vacuum-ultraviolet radiation from a synchrotron to identify negative ions from twenty four photoexcited polyatomic molecules in the gas phase. From these experiments, Matthew collects a vast amount of data and summarises and reviews ion-pair formation from polyatomic molecules. The second study is on selected ion flow tube mass spectrometry. Matthew investigates the reactions of cations and anions with ethene, monofluoroethene, 1,1-difluoroethene and tetrafluoroethene. In this study Matthew tries to explain why certain products are formed preferentially over other products at a microscopic level of understanding. The data recorded in this thesis form the most comprehensive collection of information about anion formation and are the basis of a review and numerous articles in specialist journals.
Author: Matthew J. Simpson Publisher: Springer Science & Business Media ISBN: 3642231292 Category : Science Languages : en Pages : 169
Book Description
In this thesis Matthew Simpson reportstwo areas of work in gas ion spectroscopy, each investigation in itself worthy of a PhD. The first study uses tunable vacuum-ultraviolet radiation from a synchrotron to identify negative ions from twenty four photoexcited polyatomic molecules in the gas phase. From these experiments, Matthew collects a vast amount of data and summarises and reviews ion-pair formation from polyatomic molecules. The second study is on selected ion flow tube mass spectrometry. Matthew investigates the reactions of cations and anions with ethene, monofluoroethene, 1,1-difluoroethene and tetrafluoroethene. In this study Matthew tries to explain why certain products are formed preferentially over other products at a microscopic level of understanding. The data recorded in this thesis form the most comprehensive collection of information about anion formation and are the basis of a review and numerous articles in specialist journals.
Author: Peter B. Armentrout Publisher: Springer Science & Business Media ISBN: 3540000984 Category : Medical Languages : en Pages : 318
Book Description
I Reactivity: E. Uggerud: Physical Organic Chemistry of the Gas Phase. Reactivity Trends for Organic Cations.- S. Petrie, D.K. Bohme: Mass Spectrometric Approaches to Interstellar Chemistry.- F. Turecek: Transient Intermediates of Chemical Reactions by Neutralization-Reionization Mass Spectrometry.- II Metalorganic Chemistry: D. Schröder, H. Schwarz: Diastereoselective Effects in Gas-Phase Ion Chemistry.- D.A. Plattner: Metalorganic Chemistry in the Gas Phase: Insight into Catalysis.- III Mass Spectrometric Methodology: T. Wyttenbach, M.T. Bowers: Gas-Phase Conformations: The Ion Mobility/Ion Chromatography Method.- P.B. Armentrout: Threshold Collision-Induced Dissociations for the Determination of Accurate Gas-Phase Binding Energies and Reaction Barriers.- IV Medicinal Chemistry: S.A. Trauger, T. Junker, G. Siuzdak: Investigating Viral Proteins and Intact Viruses with Mass Spectrometry M. Brönstrup: High-Throughput Mass Spectrometry for Compound Characterization in Drug Discovery.
Author: Alison E Ashcroft Publisher: Royal Society of Chemistry ISBN: 1839162899 Category : Science Languages : en Pages : 621
Book Description
Over the last decade, the use of ion mobility separation in combination with mass spectrometry analysis has developed significantly. This technique adds a unique extra dimension enabling the in-depth analysis of a wide range of complex samples in the areas of the chemical and biological sciences. Providing a comprehensive guide to the technique, each chapter is written by an internationally recognised expert and with numerous different commercial platforms to choose from, this book will help the end users understand the practicalities of using different instruments for different ion mobility purposes. The first section provides a detailed account of the fundamentals behind the technique and the current range of available instrumentation. The second section focusses on the wide range of applications that have benefitted from ion mobility – mass spectrometry and includes topics taken from current research in the pharmaceutical, metabolomics, glycomics, and structural molecular biology fields. The book is primarily aimed at researchers, appealing to practising chemists and biochemists, as well as those in the pharmaceutical and medical fields.
Author: Anouk M. Rijs Publisher: Springer ISBN: 3319192043 Category : Science Languages : en Pages : 409
Book Description
The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students.
Author: Jonelle Harvey Publisher: Springer Science & Business Media ISBN: 3319029762 Category : Science Languages : en Pages : 184
Book Description
Jonelle Harvey's book outlines two related experimental techniques, threshold photoelectron spectroscopy and threshold photoelectron photoion coincidence techniques, which are utilised to investigate small halogenated molecules. All the experiments were conducted at the vacuum ultraviolet beamline of the Swiss Light Source, a synchrotron photon source, which has the advantage over popular laser photon-sources of extreme ease of tunability. Three studies are presented which combine experimental and computational ab initio approaches: studying the fast dissociations of halogenated methanes in order to construct a self-consistent thermochemical network; investigating the fragmentations of fluoroethenes from timebombs, which break apart very slowly but explosively, to fast dissociators; and uncovering how vital conical interactions underpin both the results of photoelectron spectra and dissociation patterns. The details included in this thesis are useful for researchers working in the same field and those readers wishing to obtain a solid introduction into the types of systems encountered in threshold photoelectron photoion coincidence spectroscopy.
Author: Publisher: Academic Press ISBN: 0128032251 Category : Science Languages : en Pages : 3716
Book Description
This third edition of the Encyclopedia of Spectroscopy and Spectrometry, Three Volume Set provides authoritative and comprehensive coverage of all aspects of spectroscopy and closely related subjects that use the same fundamental principles, including mass spectrometry, imaging techniques and applications. It includes the history, theoretical background, details of instrumentation and technology, and current applications of the key areas of spectroscopy. The new edition will include over 80 new articles across the field. These will complement those from the previous edition, which have been brought up-to-date to reflect the latest trends in the field. Coverage in the third edition includes: Atomic spectroscopy Electronic spectroscopy Fundamentals in spectroscopy High-Energy spectroscopy Magnetic resonance Mass spectrometry Spatially-resolved spectroscopic analysis Vibrational, rotational and Raman spectroscopies The new edition is aimed at professional scientists seeking to familiarize themselves with particular topics quickly and easily. This major reference work continues to be clear and accessible and focus on the fundamental principles, techniques and applications of spectroscopy and spectrometry. Incorporates more than 150 color figures, 5,000 references, and 300 articles for a thorough examination of the field Highlights new research and promotes innovation in applied areas ranging from food science and forensics to biomedicine and health Presents a one-stop resource for quick access to answers and an in-depth examination of topics in the spectroscopy and spectrometry arenas
Author: Marcel Swart Publisher: John Wiley & Sons ISBN: 1118898303 Category : Science Languages : en Pages : 472
Book Description
It has long been recognized that metal spin states play a central role in the reactivity of important biomolecules, in industrial catalysis and in spin crossover compounds. As the fields of inorganic chemistry and catalysis move towards the use of cheap, non-toxic first row transition metals, it is essential to understand the important role of spin states in influencing molecular structure, bonding and reactivity. Spin States in Biochemistry and Inorganic Chemistry provides a complete picture on the importance of spin states for reactivity in biochemistry and inorganic chemistry, presenting both theoretical and experimental perspectives. The successes and pitfalls of theoretical methods such as DFT, ligand-field theory and coupled cluster theory are discussed, and these methods are applied in studies throughout the book. Important spectroscopic techniques to determine spin states in transition metal complexes and proteins are explained, and the use of NMR for the analysis of spin densities is described. Topics covered include: DFT and ab initio wavefunction approaches to spin states Experimental techniques for determining spin states Molecular discovery in spin crossover Multiple spin state scenarios in organometallic reactivity and gas phase reactions Transition-metal complexes involving redox non-innocent ligands Polynuclear iron sulfur clusters Molecular magnetism NMR analysis of spin densities This book is a valuable reference for researchers working in bioinorganic and inorganic chemistry, computational chemistry, organometallic chemistry, catalysis, spin-crossover materials, materials science, biophysics and pharmaceutical chemistry.
Author: George A Olah Publisher: World Scientific ISBN: 9814498548 Category : Science Languages : en Pages : 1503
Book Description
In the course of his distinguished career spanning about half a century, George A Olah, winner of the 1994 Nobel Prize for Chemistry, has been exceedingly prolific and has published more than 1000 scientific papers and 15 books and holds more than 100 patents. This invaluable volume contains about 250 papers selected for their breadth and current importance.
Author: Matthew J. Simpson
Author: Matthew J. Simpson
Author: Peter B. Armentrout
Author: T.W. Carr
Author: Alison E Ashcroft
Author: Anouk M. Rijs
Author: Jonelle Harvey
Author: United States. Energy Research and Development Administration
Author: 
Author: Marcel Swart
Author: George A Olah