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Study Of Metal Ligand Complexes By Electrospray Ionization Quadrupole Ion Trap Mass Spectrometry Microform
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Author :Kallyanee D. (Kallyanee Devi) Naga Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612819030 Total Pages :274 pages Book Rating :4.8/5 (19 download)
Book Synopsis Study of Metal-ligand Complexes by Electrospray Ionization Quadrupole Ion Trap Mass Spectrometry [microform] by : Kallyanee D. (Kallyanee Devi) Naga
Download or read book Study of Metal-ligand Complexes by Electrospray Ionization Quadrupole Ion Trap Mass Spectrometry [microform] written by Kallyanee D. (Kallyanee Devi) Naga and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2002 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Complexation and Properties of Metal Ion Guests with Macrocyclic Hosts Using Electrospray Ionization Quadrupole Ion Trap Mass Spectrometry by : Sheldon Myles Williams
Download or read book Studies of Complexation and Properties of Metal Ion Guests with Macrocyclic Hosts Using Electrospray Ionization Quadrupole Ion Trap Mass Spectrometry written by Sheldon Myles Williams and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The study of non-covalent complexes in a quadrupole ion trap by electrospray ionization mass spectrometry by : Esther Caroline Kempen
Download or read book The study of non-covalent complexes in a quadrupole ion trap by electrospray ionization mass spectrometry written by Esther Caroline Kempen and published by . This book was released on 2000 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Using Electrospray Ionization Mass Spectrometry for Understanding Metal-ligand Interactions by : Adetayo Musbau Mustapha
Download or read book Using Electrospray Ionization Mass Spectrometry for Understanding Metal-ligand Interactions written by Adetayo Musbau Mustapha and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-ligand interactions are important in such diverse areas as environmental remediation, drug development, and biochemistry. Potentiometric and spectroscopic techniques, including UV-Visible, infrared, Raman, and NMR spectroscopies, are commonly used to investigate metal-ligand interactions. However, ESI-MS is a valuable technique for accurate determination of complex stoichiometric ratios, and for the study of the gas-phase chemistry of metal complexes with organic ligands. This dissertation presents two broad areas where ESI-MS has been used to study such complexes. In the first area, I investigated the analytical importance of transition metal interactions with phosphorothioate and phosphorodithioate pesticides. These pesticides are important subclasses of organophosphorus pesticides commonly used in agriculture to control pests in fruits and vegetables. Using ESI-MS, I examined how the interactions of three phosphorothioate pesticides (fenitrothion, parathion, and diazinon) and one phosphorodithioate pesticide (malathion) with silver and copper ions affects the mass spectral detection of the resulting complexes. My results show that each pesticide forms silver and copper complexes that significantly improve their detection using ESI-MS. I also found that these metal-pesticide complexes do not undergo the thiono-thiolo rearrangement reaction during collision-induced dissociation, unlike protonated phosphorothioate ions. In the second part of the dissertation I explore the use of ESI-MS for characterization of gas-phase complexes that arise from uranyl(VI), vanadium(V) and iron(III) interactions with 2,6-dihydroxyiminopiperidine (DHIP) and N1, N5-dihydroxypentanediimidamide (DHPD) in aqueous solutions. I also investigated uranyl(VI) interactions with N1, N5-dihydroxyethanediimidamide (DHED). Uranium is an important fuel for nuclear power generation, and there is much interest in the possibility of its extraction from seawater using amidoxime-functionalized sorbents. Vanadium and iron can compete with uranium for binding sites on these sorbents. My results show that DHIP binds uranyl(VI) more effectively that DHPD or DHED, forming ions having uranyl(VI):DHIP stoichiometric ratios of 1:1, 1:2, and 2:3. Vanadium(V) forms 1:1 and 1:2 vanadium(V):DHIP complexes, while iron(III) forms only a 1:2 iron(III):DHIP complex. With DHPD, vanadium(V) forms only a 1:2 vanadium(V):DHPD complex, while iron(III) forms both 1:2 and 1:3 complexes with DHPD. I also observed that gas-phase uranyl(VI)-DHIP complexes are less likely to form in the presence of either vanadium(V) or iron(III).
Book Synopsis Probing Base Metal Coordination Complexes Using Electrospray Ionization Quadrupole Time-of-Flight Mass Spectrometry by : Jessica J. Martin
Download or read book Probing Base Metal Coordination Complexes Using Electrospray Ionization Quadrupole Time-of-Flight Mass Spectrometry written by Jessica J. Martin and published by . This book was released on 2022 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Presently, much research has been completed focusing on metal coordination complexes in the liquid phase but very little in terms of the gas phase. The purpose of this research is to further investigate these conditions and learn more about the reactions that can occur using Electrospray Ionization Quadrupole Time-of-Flight Mass Spectrometry (ESI QToF MS). This research focuses on Nickel (II) and Iron (III) Nitrate solutions in combination with five ligands: 2,2'-Bipyridine, 4,4'-Bipyridine, 2,2'-Bipyridine-4,4'-Dicarboxylic Acid, 1,10-Phenanthroline and the Baker Group's SNS Ligand. Observations of these complexes were restricted to the monocations. Those combinations that successfully coordinated in the gas phase were subjected to further analysis to determine their fragmentation pathways under specific conditions. To investigate their interactions, studies were conducted using three different mixing techniques. These techniques included a pre-mixed single-spray solution, a dual-spray injection method, and the TRESI (time-resolved electrospray ionization) method. By using all three methods, the compounds' ability to react in solution over time can be compared to real-time mixing in both the gas and liquid phases, via dual-spray and TRESI techniques respectively. Further experimentation took place on target complexes, created by each of the ten combinations of starting compounds, to further investigate the gas phase properties and fragmentation patterns that exist. It was observed that most experiments with the Nickel (II) Nitrate solution were successful with all three methods, while the Iron (III) Nitrate however created some problems. In general, single-spray analysis gave the best results compared to dual-spray, which was ineffective for some combinations, particularly the 2,2'-Bipyridine-4,4'-Dicarboxylic Acid and SNS ligands. It was found that both the 2,2'-Bipyridine and 4,4'-Bipyrdine combinations produced very similar results despite their respective bidentate and bridging coordination tendencies. The TRESI method provided limited information due to the delayed reaction times with some combinations. Overall, this work proved useful in its ability to compare metal coordination complex formation in solution and gas phases.
Book Synopsis Electrospray Mass Spectrometry of Metal Ion Complexes with Chelating and Macrocyclic Ligands by : Calin George Znamirovschi
Download or read book Electrospray Mass Spectrometry of Metal Ion Complexes with Chelating and Macrocyclic Ligands written by Calin George Znamirovschi and published by . This book was released on 1996 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Non-covalent Protein-hydrophobic Ligand Complexes by Electrospray Ionization Mass Spectrometry by : Lan Liu
Download or read book Study of Non-covalent Protein-hydrophobic Ligand Complexes by Electrospray Ionization Mass Spectrometry written by Lan Liu and published by . This book was released on 2011 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of metal complexation in molecular recognition using quadrupole ion trap mass spectrometry by : Sheryl McCutcheon Blair
Download or read book Evaluation of metal complexation in molecular recognition using quadrupole ion trap mass spectrometry written by Sheryl McCutcheon Blair and published by . This book was released on 2000 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrospray Ionization and Collision Induced Dissociation Mass Spectrometric Quantitative Conjunctions with the Experimental Intensity of the Analyte Ions of Metal-Organics- Stochastic Dynamics by : Bojidarka Ivanova
Download or read book Electrospray Ionization and Collision Induced Dissociation Mass Spectrometric Quantitative Conjunctions with the Experimental Intensity of the Analyte Ions of Metal-Organics- Stochastic Dynamics written by Bojidarka Ivanova and published by . This book was released on 2019-02-07 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research Paper (postgraduate) from the year 2019 in the subject Chemistry - Analytical Chemistry, University of Dortmund (Institute of Environmental Research, Department of Analytical Chemistry), language: English, abstract: Throughout the chapters in this book we argue that the temporal behaviour of the experimental mass spectrometric intensity of analyte ions obeys a certain and universal law based on a stochastic dynamic approach. The content of the book evidences convincingly through a selected series of examples to molecular systems of metal-organic complexes of transition metal ions with electronic configuration d10, for instance, AgI- and ZnII-ions, the validity of our model equation reported, more recently. It needs to be underlined that, the comprehensive study that is provided, herein, is published, for first time in the literature. The book, therefore, represents monograph containing results from our research work, detailing correlatively experimental and theoretical mass spectrometric analyses of metal-organics using ultrahigh accuracy electrospray ionization and collision induced dissociation mass spectrometry. An enormous amount of effort is concentrated on a quantitative description of the relationships between experimental measurable parameter "intensity" and diffusion or kinetic parameters of analyte ions.
Book Synopsis Chiral Studies of Non-covalent Complexes by Electrospray Ionization (ESI) Fourier Transform Mass Spectrometry (FTMS) by : Gabriela Grigorean
Download or read book Chiral Studies of Non-covalent Complexes by Electrospray Ionization (ESI) Fourier Transform Mass Spectrometry (FTMS) written by Gabriela Grigorean and published by . This book was released on 2002 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of metal ion complexation in a quadrupole ion trap mass spectrometer by : Jim Xiangxin Shen
Download or read book Evaluation of metal ion complexation in a quadrupole ion trap mass spectrometer written by Jim Xiangxin Shen and published by . This book was released on 1999 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studies of Transition Metal Complexes by Electrospray-mass Spectrometry by : Christine Liane Gatlin
Download or read book Studies of Transition Metal Complexes by Electrospray-mass Spectrometry written by Christine Liane Gatlin and published by . This book was released on 1995 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of metal binding interactions in host-guest chemistry using quadrupole ion trap mass spectrometry by : Michelle Lee Reyzer
Download or read book Evaluation of metal binding interactions in host-guest chemistry using quadrupole ion trap mass spectrometry written by Michelle Lee Reyzer and published by . This book was released on 2000 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reactive Intermediates by : Leonardo S. Santos
Download or read book Reactive Intermediates written by Leonardo S. Santos and published by John Wiley & Sons. This book was released on 2009-11-04 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the last two decades there has been considerable growth in the development of electrospray ionization mass spectrometry (ESI-MS) as a practical method in the study of reaction mechanisms. This method allows the interception and characterization of key intermediates, either as transient species or as protonated/deprotonated forms of neutral species by API-MS. The outstanding features and advantages of ESI-MS make it one of the most suitable tools for the fast screening of intermediates directly from solution, providing hitherto unavailable chemical information to organic chemists. This monograph provides an overview of the mechanisms involved in ESI-MS, the historical perspectives before looking further in-depth at specific reactions and intermediates. Written by researchers in the field, this book is an unique resource for the understanding of this cutting-edge technique.
Book Synopsis Organic Pollutants in the Water Cycle by : Thorsten Reemtsma
Download or read book Organic Pollutants in the Water Cycle written by Thorsten Reemtsma and published by John Wiley & Sons. This book was released on 2006-12-13 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first in-depth and comprehensive reference on the most pertinent polar contaminant classes and their behavior in the whole water cycle includes, among others, industrial chemicals, consumer products, polar herbicides and pharmaceuticals. All chapters are uniformly structured, covering properties, pollution sources, occurrence in wastewater, surface water, and groundwater as well as water treatment aspects, while ecotoxicological and assessment aspects are also covered. Among the authors are leading experts in their relevant fields, many of whom provide here groundbreaking research results. The result is an up-to-date information source for researchers and professionals working in water quality monitoring, water supply, or wastewater treatment, as well as environmental and water chemists, geochemists, ecologists, chemists and engineers.
Book Synopsis Chemical Biomarkers in Aquatic Ecosystems by : Thomas S. Bianchi
Download or read book Chemical Biomarkers in Aquatic Ecosystems written by Thomas S. Bianchi and published by Princeton University Press. This book was released on 2011-02-28 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook provides a unique and thorough look at the application of chemical biomarkers to aquatic ecosystems. Defining a chemical biomarker as a compound that can be linked to particular sources of organic matter identified in the sediment record, the book indicates that the application of these biomarkers for an understanding of aquatic ecosystems consists of a biogeochemical approach that has been quite successful but underused. This book offers a wide-ranging guide to the broad diversity of these chemical biomarkers, is the first to be structured around the compounds themselves, and examines them in a connected and comprehensive way. This timely book is appropriate for advanced undergraduate and graduate students seeking training in this area; researchers in biochemistry, organic geochemistry, and biogeochemistry; researchers working on aspects of organic cycling in aquatic ecosystems; and paleoceanographers, petroleum geologists, and ecologists. Provides a guide to the broad diversity of chemical biomarkers in aquatic environments The first textbook to be structured around the compounds themselves Describes the structure, biochemical synthesis, analysis, and reactivity of each class of biomarkers Offers a selection of relevant applications to aquatic systems, including lakes, rivers, estuaries, oceans, and paleoenvironments Demonstrates the utility of using organic molecules as tracers of processes occurring in aquatic ecosystems, both modern and ancient
Book Synopsis Water in Confining Geometries by : V. Buch
Download or read book Water in Confining Geometries written by V. Buch and published by Springer Science & Business Media. This book was released on 2003-04-29 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by leading experts in the field, this book gives a wide-ranging and coherent treatment of water in confining geometries. It compiles and relates interdisciplinary work on this hot topic of research important in many areas of science and technology.
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