Nuclear Magnetic Resonance Spectroscopy in Environmental Chemistry

Nuclear Magnetic Resonance Spectroscopy in Environmental Chemistry
Title Nuclear Magnetic Resonance Spectroscopy in Environmental Chemistry PDF eBook
Author Mark A. Nanny
Publisher Oxford University Press
Pages 341
Release 1997-04-03
Genre Science
ISBN 0198025807

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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.

NMR Spectroscopy

NMR Spectroscopy
Title NMR Spectroscopy PDF eBook
Author Myrna J. Simpson
Publisher John Wiley & Sons
Pages 916
Release 2014-06-12
Genre Science
ISBN 111861643X

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The challenges faced by environmental scientists today are vast, complex, and multi-faceted. For instance, predicting the fate of an environmental pollutant or understanding ecosystem responses to climate change, necessitate a firm understanding of molecular structure and dynamics of environmental media as well as the components that exist and interact within this media. Furthermore, linking information obtained at the molecular-scale to ecosystem-level processes is a major pursuit of modern environmental research. As such, NMR spectroscopy and its scalability from the molecular-scale to the macroscopic-scale, is facilitating rapid growth in environmental science. In addition, the versatility of NMR spectroscopy has resulted in the development and implementation of different types of NMR techniques to examine the structure of various types of environmental samples, living and non-living, as well as the study of critical environmental processes. This comprehensive handbook is a collection of chapters that span from methods to how NMR is used in environmental research to gain insight into various ecosystem properties. It is organized into three parts: Part A focuses on methods used in environmental NMR which span from solution-state to magnetic resonance imaging. Part B emphasizes how NMR spectroscopy plays an essential role in understanding various types of environmental components and related processes, including different forms of organic matter found in soil, water, and air as well as how NMR is used to probe the fate of water, organic pollutants, and metals in the environment. Part C focuses on the growing field of environmental metabolomics which uses NMR as its main discovery platform. This volume highlights the immense potential of NMR spectroscopy to expand our fundamental understanding of environmental processes and how it will continue to do so well into the future. About eMagRes Handbooks eMagRes (formerly the Encyclopedia of Magnetic Resonance) publishes a wide range of online articles on all aspects of magnetic resonance in physics, chemistry, biology and medicine. The existence of this large number of articles, written by experts in various fields, is enabling the publication of a series of eMagRes Handbooks on specific areas of NMR and MRI. The chapters of each of these handbooks will comprise a carefully chosen selection of eMagRes articles. In consultation with the eMagRes Editorial Board, the eMagRes handbooks are coherently planned in advance by specially-selected Editors, and new articles are written to give appropriate complete coverage. The handbooks are intended to be of value and interest to research students, postdoctoral fellows and other researchers learning about the scientific area in question and undertaking relevant experiments, whether in academia or industry. Have the content of this handbook and the complete content of eMagRes at your fingertips! Visit: www.wileyonlinelibrary.com/ref/eMagRes

The Development of Environmental Nuclear Magnetic Resonance Spectroscopy for the Study of Structure and Interactions in Complex Environmental Matrices

The Development of Environmental Nuclear Magnetic Resonance Spectroscopy for the Study of Structure and Interactions in Complex Environmental Matrices
Title The Development of Environmental Nuclear Magnetic Resonance Spectroscopy for the Study of Structure and Interactions in Complex Environmental Matrices PDF eBook
Author Hashim Farooq
Publisher
Pages
Release 2015
Genre
ISBN

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Elucidating environmental processes at the molecular level is key to understanding a range of larger processes including carbon sequestration and cycling, contaminant transport and fate, and agricultural productivity. Unfortunately, environmental matrices, such as soil, are highly complex, heterogeneous, and often contain multiple phases (liquids, gels and solids) making their analysis by conventional methods challenging. Nuclear Magnetic Resonance (NMR) spectroscopy is arguably one of the most powerful and versatile tools in modern science, with the potential to provide unprecedented levels information as to structures and molecular interactions in complex environmental matrices. Despite this potential NMR is not as widely applied in the environmental research as other fields such as medicine and organic chemistry, in part due to the lack of experimental approaches specifically developed for environmental analysis. This thesis aims to develop a series of fundamental NMR experimental approaches that can improve the reliability, efficiency and information gained from environmental samples. Specifically, it introduces a novel and efficient optimization approach for the determination of fundamental NMR parameters. Following this it develops on a novel approach based on supercooled water to help assign chemical structures in complex mixtures was developed. The method presented enhances intramolecular spatial interactions and uses the resulting spatial correlations to edit mixtures and expands the range of molecules that can be assigned in situ without physical separation of mixtures. Subsequently, it discusses the optimization of high-resolution magic angle spinning (HR-MAS) for environmental samples and allows the transition from the study of static samples (solutions) to those containing more than one phase (liquids and gels). Ultimately while studying solutions and gels in situ is very important to study natural samples holistically in their native state. As such the ability to study all phases (liquids, gels and solids) at the same time is required. This necessitated the development of the comprehensive multiphase technology (CMP), which allows study of all bonds in all phases and is used to paint a molecular-level picture of an oil-contaminated soil along with the aforementioned improvements. The advances shown here in conjunction with CMP technology should prove invaluable in all future studies that require molecular-level information concerning any unaltered complex system.

Applications of NMR Spectroscopy

Applications of NMR Spectroscopy
Title Applications of NMR Spectroscopy PDF eBook
Author Atta-ur-Rahman
Publisher Bentham Science Publishers
Pages 289
Release 2016-11-22
Genre Science
ISBN 168108287X

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Applications of NMR Spectroscopy is a book series devoted to publishing the latest advances in the applications of nuclear magnetic resonance (NMR) spectroscopy in various fields of organic chemistry, biochemistry, health and agriculture. The fifth volume of the series features several reviews focusing on NMR spectroscopic techniques for identifying natural and synthetic compounds (polymer and peptide characterization, GABA in tinnitus affected mice), medical diagnosis and therapy (gliomas) and food analysis. The spectroscopic methods highlighted in this volume include high resolution proton magnetic resonance spectroscopy and solid state NMR.

Applications of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry

Applications of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry
Title Applications of Nuclear Magnetic Resonance Spectroscopy in Organic Chemistry PDF eBook
Author L. M. Jackman
Publisher Elsevier
Pages 474
Release 2013-10-22
Genre Science
ISBN 1483280942

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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.

Environment in a Magnet

Environment in a Magnet
Title Environment in a Magnet PDF eBook
Author Pellegrino Conte
Publisher Royal Society of Chemistry
Pages 461
Release 2024-03-04
Genre Science
ISBN 1837671265

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Global climate change is the most important challenge humankind is facing in the modern era. One of the main scientific concerns is the monitoring of contaminants in the environment, which require the right environmental remediation strategies. In this context, nuclear magnetic resonance (NMR) techniques have a very important role in enabling the discovery of how pollutants are transformed, how they can move and how they can affect human health. This book discusses the present and the future perspectives of NMR techniques for environmental evaluations. It covers, amongst other topics, the importance of NMR as a contamination discovery tool, how to improve sensitivity in environmental NMR, and multiphase NMR for measurement of samples in their natural state. Samples include lubricant oils, soils and porous media. Due to the direct relationship between the environment and human health, there is information dedicated to the use of magnetic resonance imaging (MRI) to monitor human health as related to environmental pollution. There is also a chapter on how NMR is used in cultural heritage to measure artefacts directly affected by environmental pollution. Filling a gap in the literature, the book is for researchers explaining how to apply their knowledge of NMR techniques to solve environmental problems, and for students who want to deepen their understanding of this topic.

NMR and MRI of Electrochemical Energy Storage Materials and Devices

NMR and MRI of Electrochemical Energy Storage Materials and Devices
Title NMR and MRI of Electrochemical Energy Storage Materials and Devices PDF eBook
Author Yong Yang
Publisher Royal Society of Chemistry
Pages 573
Release 2021-06-17
Genre Science
ISBN 1839160101

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Energy storage material is a hot topic in material science and chemistry. During the past decade, nuclear magnetic resonance (NMR) has emerged as a powerful tool to aid understanding of the working and failing mechanisms of energy storage materials and devices. The aim of this book is to introduce the use of NMR methods for investigating electrochemical storage materials and devices. Presenting a comprehensive overview of NMR spectroscopy and magnetic resonance imaging (MRI) on energy storage materials, the book will include the theory of paramagnetic interactions and relevant calculation methods, a number of specific NMR approaches developed in the past decade for battery materials (e.g. in situ, ex situ NMR, MRI, DNP, 2D NMR, NMR dynamics) and case studies on a variety of related materials. Helping both NMR spectroscopists entering the field of batteries and battery specialists seeking diagnostic methods for material and device degradation, it is written by leading authorities from international research groups in this field.