Nuclear Magnetic Resonance Spectroscopy in Environmental Chemistry

Author: Mark A. Nanny,Roger A. Minear,Jerry A. Leenheer

Publisher: Oxford University Press

ISBN: 9780198025801

Category: Science

Page: 344

View: 7582

This book demonstrates the usefulness of NMR spectroscopy for a wide variety of applications in environmental science and technology. It contains a wealth of information relating to instrumentation, sample preparation, and data interpretation. The book is divided into three sections discussing contaminant interaction, solution and condensed-phase characterization, and nutrients and natural organic matter characterization. In addition to these in-depth chapters, an introductory overview provides the basic principles of solution and solid-state NMR spectroscopy. Each section also contains a discussion of advances in each area directly attributable to NMR spectroscopy. A final chapter suggests future directions for the deployment of this powerful technology in environmental science.

Nuclear Magnetic Resonance

Author: G A Webb

Publisher: Royal Society of Chemistry

ISBN: 1847553842

Category: Science

Page: 550

View: 2330

As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications. Today the applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine. Each volume of Nuclear Magnetic Resonance comprises a combination of annual and biennial reports which together provide comprehensive of the literature on this topic. This Specialist Periodical Report reflects the growing volume of published work involving NMR techniques and applications, in particular NMR of natural macromolecules which is covered in two reports: "NMR of Proteins and Acids" and "NMR of Carbohydrates, Lipids and Membranes". For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage. Seasoned practitioners of NMR will find this an in valuable source of current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.

NMR Spectroscopy

A Versatile Tool for Environmental Research

Author: Myrna J. Simpson,Andre J. Simpson

Publisher: John Wiley & Sons

ISBN: 111861643X

Category: Science

Page: 448

View: 7039

The challenges faced by environmental scientists today are vast,complex, and multi-faceted. For instance, predicting the fateof an environmental pollutant or understanding ecosystem responsesto climate change, necessitate a firm understanding of molecularstructure and dynamics of environmental media as well as thecomponents that exist and interact within this media. Furthermore, linking information obtained at the molecular-scale toecosystem-level processes is a major pursuit of modernenvironmental research. As such, NMR spectroscopy and itsscalability from the molecular-scale to the macroscopic-scale, isfacilitating rapid growth in environmental science. In addition,the versatility of NMR spectroscopy has resulted in the developmentand implementation of different types of NMR techniques to examinethe structure of various types of environmental samples, living andnon-living, as well as the study of critical environmentalprocesses. This comprehensive handbook is a collection of chapters thatspan from methods to how NMR is used in environmental research togain insight into various ecosystem properties. It is organized into three parts: Part A focuses on methods used in environmental NMRwhich span from solution-state to magnetic resonanceimaging. Part B emphasizes how NMR spectroscopy plays anessential role in understanding various types of environmentalcomponents and related processes, including different forms oforganic matter found in soil, water, and air as well as how NMR isused to probe the fate of water, organic pollutants, and metals inthe environment. Part C focuses on the growing field of environmentalmetabolomics which uses NMR as its main discoveryplatform. This volume highlights the immense potential of NMR spectroscopyto expand our fundamental understanding of environmental processesand how it will continue to do so well into the future. About eMagRes Handbooks eMagRes (formerly the Encyclopedia of MagneticResonance) publishes a wide range of online articles on allaspects of magnetic resonance in physics, chemistry, biology andmedicine. The existence of this large number of articles, writtenby experts in various fields, is enabling the publication of aseries of eMagRes Handbooks on specific areas of NMR and MRI. Thechapters of each of these handbooks will comprise a carefullychosen selection of eMagRes articles. In consultation with theeMagRes Editorial Board, the eMagRes handbooks arecoherently planned in advance by specially-selected Editors, andnew articles are written to give appropriate complete coverage. Thehandbooks are intended to be of value and interest to researchstudents, postdoctoral fellows and other researchers learning aboutthe scientific area in question and undertaking relevantexperiments, whether in academia or industry. Have the content of this handbook and the complete content ofeMagRes at your fingertips! Visit: ahref="http://www.wileyonlinelibrary.com/ref/eMagRes"www.wileyonlinelibrary.com/ref/eMagRes/a

Interpreting Infrared, Raman, and Nuclear Magnetic Resonance Spectra

Author: Richard A. Nyquist

Publisher: Academic Press

ISBN: 0080535135

Category: Science

Page: 1068

View: 4077

This book teaches the analyst why it is advantageous to obtain vibrational data under different physical phases. Molecular vibrations are affected by change in physical phase, and knowledge of how certain molecular vibrations are affected by change in the chemical environment improves the analyst's ability to solve complex chemical problems. This book is invaluable for students and scientists engaged in analytical and organic chemistry, since application of IR and Raman spectroscopy is essential in identifying and verifying molecular structure. This reference provides analysts with information that enables them to acquire the maximum amount of information when sampling molecular vibrations via IR and Raman spectroscopy. Key Features * Explains why it is advantageous to obtain vibrational data under different physical phases * Compiles many vibrational studies into a single compendium * Lists group frequencies in different physical phases * Reveals that some group frequencies are more affected than others by changes in the physical phase * Demonstrates that in-phase and out-of-phase vibrations of the same functional group are not equally affected * Describes how solute-solvent complexes differ with changes in the solvent system * Shows that the amount of Fermi resonance between a fundamental vibration and a combination or overtone is altered with change of physical phase * Written by an internationally recognized expert

Application of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry

International Series in Organic Chemistry

Author: L. M. Jackman,S. Sternhell

Publisher: Elsevier

ISBN: 1483138593

Category: Science

Page: 472

View: 5342

Applications of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry, Second Edition focuses on the applications of nuclear magnetic resonance spectroscopy to problems in organic chemistry and the theories involved in this kind of spectroscopy. The book first discusses the theory of nuclear magnetic resonance, including dynamic and magnetic properties of atomic nuclei, nuclear resonance, and relaxation process. The manuscript also examines the experimental method. Topics include experimental factors that influence resolution and the shapes of absorption lines; measurement of line positions and identification of the chemical shift; and measurement of intensities. The text reviews the theories of chemical effects in nuclear magnetic resonance spectroscopy and spin-spin multiplicity and the theory and applications of multiple irradiation. The book also tackles the theory of chemical shift, including the classification of shielding effects, local diamagnetic proton shielding, solvent effects, and contact shifts. The publication is a dependable source of data for readers interested in the applications of nuclear magnetic resonance spectroscopy.

Applications of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry

Author: L. M. Jackman,S. Sternhell

Publisher: Elsevier

ISBN: 1483280942

Category: Science

Page: 474

View: 4895

Application of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry, Second Edition covers the theoretical background necessary for the intelligent application of NMR spectroscopy to common problems encountered in organic chemistry. This book is composed of five parts, and begins with introduction to the theory and practice of nuclear magnetic resonance. The succeeding chapter deals with the theory of chemical effects in NMR spectroscopy. These topics are followed by a discussion on the application of chemical shift to organic compound analysis and the principles of the spin-spin coupling .The final chapter considers the applications of time- dependent phenomena in NMR spectroscopy. This book will prove useful to analytical chemists and researchers in the allied fields.

Brain Mapping

The Methods

Author: Arthur W. Toga,John C. Mazziotta

Publisher: Academic Press

ISBN: 9780126930191

Category: Medical

Page: 877

View: 3332

The number of scientists and laboratories involved with brain mapping is increasing exponentially; and the second edition of this comprehensive reference has also grown much larger than the first (published in 1996), including, for example, five chapters on structural and functional MRI where the fi

Chemistry, Structure and Dynamics

Chemistry, Chemistry

Author: CTI Reviews

Publisher: Cram101 Textbook Reviews

ISBN: 1490259597

Category: Education

Page: 102

View: 3668

Facts101 is your complete guide to Chemistry, Structure and Dynamics. In this book, you will learn topics such as The Structure of the Atom, The Covalent Bond, Ionic and Metallic Bonds, and Gases plus much more. With key features such as key terms, people and places, Facts101 gives you all the information you need to prepare for your next exam. Our practice tests are specific to the textbook and we have designed tools to make the most of your limited study time.

Phosphorus-31 NMR Spectroscopy

A Concise Introduction for the Synthetic Organic and Organometallic Chemist

Author: Olaf Kühl

Publisher: Springer Science & Business Media

ISBN: 9783540791188

Category: Science

Page: 132

View: 3269

Nuclear Magnetic Resonance is a powerful tool, especially for the identification of 1 13 hitherto unknown organic compounds. H- and C-NMR spectroscopy is known and applied by virtually every synthetically working Organic Chemist. Con- quently, the factors governing the differences in chemical shift values, based on chemical environment, bonding, temperature, solvent, pH, etc. , are well understood, and specialty methods developed for almost every conceivable structural challenge. Proton and carbon NMR spectroscopy is part of most bachelors degree courses, with advanced methods integrated into masters degree and other graduate courses. In view of this universal knowledge about proton and carbon NMR spectr- copy within the chemical community, it is remarkable that heteronuclear NMR is still looked upon as something of a curiosity. Admittedly, most organic compounds contain only nitrogen, oxygen, and sulfur atoms, as well as the obligatory hydrogen and carbon atoms, elements that have an unfavourable isotope distribution when it comes to NMR spectroscopy. Each of these three elements has a dominant isotope: 14 16 32 16 32 N (99. 63% natural abundance), O (99. 76%), and S (95. 02%), with O, S, and 34 14 S (4. 21%) NMR silent. N has a nuclear moment I = 1 and a sizeable quadrupolar moment that makes the NMR signals usually very broad and dif cult to analyse.

Environmental Chemistry

Green Chemistry and Pollutants in Ecosystems

Author: Eric Lichtfouse,Jan Schwarzbauer,Didier Robert

Publisher: Springer Science & Business Media

ISBN: 3540265317

Category: Science

Page: 780

View: 1109

This book describes advances in this new, fast developing science, which seeks to decipher fundamental mechanisms ruling the behaviour in water, soils, atmosphere, food and living organisms of toxic metals, fossil fuels, pesticides and other organic pollutants. Sections on eco-toxicology, green chemistry, and analytical chemistry round out this thorough survey of conditions and analytical techniques in an emerging specialty.

The Feynman

Feynman-Vorlesungen über Physik

Author: Richard Phillips Feynman

Publisher: Oldenbourg Verlag

ISBN: 9783486584448

Category:

Page: 768

View: 4112


High Resolution Nuclear Magnetic Resonance Spectroscopy

Author: J. W. Emsley,J Feeney,L H Sutcliffe

Publisher: Elsevier

ISBN: 1483184080

Category: Science

Page: 542

View: 6204

High Resolution Nuclear Magnetic Resonance Spectroscopy, Volume 2 provides a comprehensive coverage of the theories and methods for analysis of high resolution spectra. The title also presents a discourse on other variables that affect the spectra. The text first details the correlations of 1H resonance spectral parameters with molecular structure, and then proceeds to tackling the 19F nuclear magnetic resonance studies. Next, the selection deals with the NMR spectra of nuclei other than hydrogen fluoride. The text also provides data sets, such as nuclear properties, T-values, and chemical shifts. The book will be of great use to scientists who utilize nuclear magnetic resonance in their work.

Issues in Industrial, Applied, and Environmental Chemistry: 2011 Edition

Author: N.A

Publisher: ScholarlyEditions

ISBN: 1464963762

Category: Science

Page: 2597

View: 9608

Issues in Industrial, Applied, and Environmental Chemistry: 2011 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Industrial, Applied, and Environmental Chemistry. The editors have built Issues in Industrial, Applied, and Environmental Chemistry: 2011 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Industrial, Applied, and Environmental Chemistry in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Industrial, Applied, and Environmental Chemistry: 2011 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Fundamentals in Chemical Physics

Author: F. Battaglia,T.F. George,Thomas F.. George

Publisher: Springer Science & Business Media

ISBN: 9780792352143

Category: Science

Page: 315

View: 1939

Along with its inherent interdisciplinary character, chemical physics is also a recognised science on its own. Its foundations consist of understanding chemical phenomena in terms of the most fundamental laws of physics. This book focuses on the concepts on which this science is founded rather than on the applications. The subject is presented starting from the main ideas of physics (classical, quantum and statistical) relevant to the description of phenomena of interest from the chemical point of view. The authors have taken an individual approach in their presentation of the essence of a connected theory rather than mere explanations of apparently unrelated facts. Audience: The book will be useful to advanced undergraduate and graduate students in fields such as chemistry, physics, materials science, engineering and biology, where there is a need for a knowledge of chemistry which includes, beside the presentation of facts, their explanation in terms of general principles.

Issues in Industrial, Applied, and Environmental Chemistry: 2013 Edition

Author: N.A

Publisher: ScholarlyEditions

ISBN: 149010724X

Category: Science

Page: 1220

View: 3052

Issues in Industrial, Applied, and Environmental Chemistry: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Synthetic Organic Chemistry. The editors have built Issues in Industrial, Applied, and Environmental Chemistry: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Synthetic Organic Chemistry in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Industrial, Applied, and Environmental Chemistry: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Introduction to Zeolite Science and Practice

Author: P.A. Jacobs,E.M. Flanigen,J.C. Jansen,Herman van Bekkum

Publisher: Elsevier

ISBN: 0080534791

Category: Science

Page: 1078

View: 1430

In view of the substantial progress made in the last decade in the fields of zeolites and related materials it was decided to go for an extended 2nd Edition of "Introduction to Zeolite Science and Practice". Unfortunately - as often is the case - this process took more time than expected by the Editors. In the mean time some new texts on zeolites were issued. Nevertheless, the combination of data, discussion and dedication provided by the present book is a unique coverage of the field, in the opinion of the Editors. In the present Edition the number of chapters rose from 16-22. The contributions can be divided into three categories: updated chapters by the original authors, updated chapters by an expanded or new team of authors and completely new chapters. This 2nd Edition also contains new chapters on "Zeolite-based supramolecular assemblies" (by Dirk De Vos and Pierre Jacobs, experts in this area) and on "The use of bulky probe molecules" (by Paul Kunkeler, Roger Downing and one of the Editors). Finally, the super large pore zeolites and the fast growing area of ordered mesoporous materials are dealt with by Eelco Vogt, Charlie Kresge and and Jim Vartuli. The latter two authors belong to the discoverers of the M41S family of mesoporous materials.

Coupling of Capillary Electrophoresis with Nuclear Magnetic Resonance Spectroscopy for the Analysis of Pharmaceutical and Environmental Relevant Compounds

Author: Joana Diekmann

Publisher: GRIN Verlag

ISBN: 3640873394

Category: Science

Page: 107

View: 1076

Master's Thesis from the year 2009 in the subject Chemistry - Analytical Chemistry, grade: 1,0, University of Hannover (Anorganische Chemie), language: English, abstract: Separation and identification of mass-limited chemical samples is the key to understand the complex nature of pharmaceutical and environmental systems. High efficiency separation techniques, such as capillary electrophoresis (CE), coupled to a non-destructive, information-rich detection, such as nuclear magnetic resonance (NMR) spectroscopy, have revolutionized the ability to separate and identify components in small sample volumes. Using this hyphenated system, structure elucidation of analytes separated during an electrophoretic process can be performed using NMR as an on-line detector. Although sensitivity remains an issue for on-line NMR detection, capillary NMR spectroscopy using microcoils has emerged as a major breakthrough for increasing the mass-sensitivity of NMR spectroscopy, because the limit of detection is proportional to the coil diameter. A further development is the miniaturization of the magnet enabling the possibility of a truly portable NMR system. This portable, low-cost NMR sensor, coupled to the rapid CE separation system could enable high-throughput and on-site identification of nanoliter amounts of solution. Furthermore, CE can provide on-line pre-concentration via electrokinetic injection or other stacking techniques to increase the sample concentration. In this research, coupling CE to a laboratory-scale NMR and to a portable NMR system are investigated, with the emphasis on the development of the miniaturized system. For the experiments with the large-scale 1H NMR system, a group of selected uric acids and xan- thines are studied since those compounds are representative of various classes of therapeutical drugs. The portable NMR instrument incorporates lithographically patterned microcoils and a small 1.8 T permanent magnet to measure 19F NMR spectra for the analysis of trifluoroacetic acid (TFA) and longer chain perfluorinated carboxylic acids (PFCAs). Our results demonstrate that coupling CE to a portable NMR system is feasible and can provide a low cost method to obtain structural information about the samples of interest. The results confirm that it was possible to acquire congruent sample data using the ultraviolet/visible (UV/VIS) detector of the CE and the 19F NMR detector. To obtain data, CE and NMR conditions were optimized and different modes of data acquisition were investigated.

Protein NMR Spectroscopy

Principles and Practice

Author: John Cavanagh

Publisher: Academic Press

ISBN: 9780121644901

Category: Science

Page: 587

View: 4003

Protein NMR Spectroscopy: Principles and Practice combines a comprehensive theoretical treatment of high resolution NMR spectroscopy with an extensive exposition of the experimental techniques applicable to proteins and other biological macromolecules. Beginning with simple theoretical models and experimental techniques, Protein NMR Spectroscopy: Principles and Practice develops the complete repertoire of theoretical principals and experimental practices necessary for understanding and implementing the most sophisticated NMR experiments. Protein NMR Spectroscopy: Principles and Practice is written as a graduate-level textbook and will be of particular interest to biochemists, chemists, biophysicists, and structural biologists who utilize NMR spectroscopy as a research tool or who wish to remain abreast of the latest developments in this increasingly important area. * Special Features: * First book to combine detailed NMR theory discussions with experimental applications to biomolecules. * All the theory required to understand these experiments and others. * Easy to follow progression from a fundamental level to an advanced level. * Theory of NMR and practical applications for biomolecular investigations presented. * Theory applied to very practical situations. * Comprehensive treatment of different "levels" of theory from simple ideas to density matrix analysis and operator practices. * Comprehensive description of multi dimensional NMR experiments as applied to unlabeled, 15N-labeled and doubly (13C/15N) labeled proteins.