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LC-NMR

Author : Nina C. Gonnella
Publisher : CRC Press
ISBN 13 : 1351023721
Total Pages : 321 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis LC-NMR by : Nina C. Gonnella

Download or read book LC-NMR written by Nina C. Gonnella and published by CRC Press. This book was released on 2020-01-15 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: The isolation and structural characterization of substances present at very low concentrations, as is necessary to satisfy regulatory requirements for pharmaceutical drug degradants and impurities, can present scientific challenges. The coupling of HPLC with NMR spectroscopy has been at the forefront of cutting-edge technologies to address these issues. LC-NMR: Expanding the Limits of Structure Elucidation presents a comprehensive overview of key concepts in HPLC and NMR that are required to achieve definitive structure elucidation with very low levels of analytes. Because skill sets from both of these highly established disciplines are involved in LC-NMR, the author provides introductory background to facilitate readers’ proficiency in both areas, including an entire chapter on NMR theory. The much-anticipated second edition provides guidance in setting up LC-NMR systems, discussion of LC methods that are compatible with NMR, and an update on recent hardware and software advances for system performance, such as improvements in magnet design, probe technology, and solvent suppression techniques that enable unprecedented mass sensitivity in NMR. This edition features methods to quantify concentration and assess purity of isolated metabolites on the micro scale and incorporates computational approaches to accelerate the structure elucidation process. The author also includes implementation and application of qNMR and automated and practical use of computational chemistry combined with QM and DFT to predict highly accurate NMR chemical shifts. The text focuses on current developments in chromatographic-NMR integration, with particular emphasis on utility in the pharmaceutical industry. Applications include trace analysis, analysis of mixtures, and structural characterization of degradation products, impurities, metabolites, peptides, and more. The text discusses novel uses and emerging technologies that challenge detection limits as well future directions for this important technique. This book is a practical primary resource for NMR structure determination—including theory and application—that guides the reader through the steps required for isolation and NMR structure elucidation on the micro scale.

LC-NMR

Author : Nina C. Gonnella
Publisher : CRC Press
ISBN 13 : 1439875073
Total Pages : 299 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis LC-NMR by : Nina C. Gonnella

Download or read book LC-NMR written by Nina C. Gonnella and published by CRC Press. This book was released on 2013-03-15 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The isolation and structural characterization of substances present at very low concentrations, as is necessary to satisfy regulatory requirements for pharmaceutical drug degradants and impurities, can present scientific challenges. The coupling of HPLC with NMR spectroscopy has been at the forefront of cutting-edge technologies to address these is

On-line LC-NMR and Related Techniques

Author : Klaus Albert
Publisher : John Wiley & Sons
ISBN 13 : 0470854812
Total Pages : 306 pages
Book Rating : 4.4/5 (78 download)

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Book Synopsis On-line LC-NMR and Related Techniques by : Klaus Albert

Download or read book On-line LC-NMR and Related Techniques written by Klaus Albert and published by John Wiley & Sons. This book was released on 2003-02-14 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of the basis and the current applications of LC-NMR and related techniques. It deals with the practical aspects of the hardware and software set-up for a successful performance of on-line coupling experiments. It covers the solution of real-word problems from the fields of biomedical, pharmaceutical and environmental studies as well as the analysis of natural products and polymeric compounds. Thus guidelines for an efficient application of the powerful hyphenated technique LC-NMR in combination with LC-MS are presented. Besides LC-NMR, important techniques such as the on-line coupling of gel permeation chromatography and supercritical fluid chromatography, together with 1H NMR spectroscopy, are described in detail. Fascinating further aspects, such as the application of capillary separation techniques either in the single or parallel detection mode, together with the possibilities of direct 13C monitoring of chromatographic events, are also discussed. Key features include: * Up-to-date information on the theoretical and experimental methodology * Coverage of applications in biomedical, pharmaceutical and natural product analysis, as well as environmental polymer and related hyphenated techniques * Information appropriate for researchers in organic, pharmaceutical and medical chemistry Overall, this book is a requirement for all researchers and staff members dealing with structure elucidation problems in separation science.

LC-NMR and Other Hyphenated NMR Techniques

Author : Maria V. Silva Elipe
Publisher : John Wiley & Sons
ISBN 13 : 1118135385
Total Pages : 197 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis LC-NMR and Other Hyphenated NMR Techniques by : Maria V. Silva Elipe

Download or read book LC-NMR and Other Hyphenated NMR Techniques written by Maria V. Silva Elipe and published by John Wiley & Sons. This book was released on 2011-12-20 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide provides a basic overview of the pros and cons of NMR spectroscopy as both a hyphenated and non-hyphenated technique. The book begins with a description of basic NMR concepts for the structural elucidation of organic compounds and then details the historical development of NMR and hyphenated NMR in the structural elucidation world, followed by applications of hyphenated NMR as LC-NMR and LC-MS-NMR in industry and academia. It also contains updated information on the latest advancements and applications of LC-NMR in such areas as degradation products, drug metabolism, food analysis, and drug discovery. An essential resource for scientists in industry and academia who work in the areas of organic chemistry, medicinal chemistry, process chemistry, and analytical chemistry.

High Performance Liquid Chromatography in Phytochemical Analysis

Author : Monika Waksmundzka-Hajnos
Publisher : CRC Press
ISBN 13 : 9781420092615
Total Pages : 996 pages
Book Rating : 4.0/5 (926 download)

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Book Synopsis High Performance Liquid Chromatography in Phytochemical Analysis by : Monika Waksmundzka-Hajnos

Download or read book High Performance Liquid Chromatography in Phytochemical Analysis written by Monika Waksmundzka-Hajnos and published by CRC Press. This book was released on 2010-11-08 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt: The powerful, efficient technique of high performance liquid chromatography (HPLC) is essential to the standardization of plant-based drugs, identification of plant material, and creation of new herbal medicines. Filling the void in this critical area, High Performance Liquid Chromatography in Phytochemical Analysis is the first book to give a comp

Bioactive Natural Products

Author : Steven M. Colegate
Publisher : CRC Press
ISBN 13 : 1420006886
Total Pages : 624 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Bioactive Natural Products by : Steven M. Colegate

Download or read book Bioactive Natural Products written by Steven M. Colegate and published by CRC Press. This book was released on 2007-12-14 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioactive natural products are proving to be a rich source of novel therapeutics to both protect against and combat diseases, as well as serve as lead compounds in crop protection. Following the successful format of the first edition, this volume brings together collective research from many new contributors and emphasizes the rationale behind the

Annual Reports on NMR Spectroscopy

Author : Graham A. Webb
Publisher : Elsevier
ISBN 13 : 9780080551944
Total Pages : 236 pages
Book Rating : 4.5/5 (519 download)

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Book Synopsis Annual Reports on NMR Spectroscopy by : Graham A. Webb

Download or read book Annual Reports on NMR Spectroscopy written by Graham A. Webb and published by Elsevier. This book was released on 2007-10-11 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicists to study the structure and dynamics of molecules. In recent years, no other technique has grown to such importance as NMR spectroscopy. It is used in all branches of science when precise structural determination is required and when the nature of interactions and reactions in solution is being studied. Annual Reports on NMR Spectroscopy has established itself as a premier means for the specialist and nonspecialist alike to become familiar with new techniques and applications of NMR spectroscopy. Provides updates on the latest developments in NMR spectroscopy Includes comprehensive review articles Highlights the increasing importance of NMR spectroscopy as a technique for structural determination

Modern NMR Approaches to the Structure Elucidation of Natural Products

Author : Antony J. Williams
Publisher : Royal Society of Chemistry
ISBN 13 : 184973383X
Total Pages : 344 pages
Book Rating : 4.8/5 (497 download)

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Book Synopsis Modern NMR Approaches to the Structure Elucidation of Natural Products by : Antony J. Williams

Download or read book Modern NMR Approaches to the Structure Elucidation of Natural Products written by Antony J. Williams and published by Royal Society of Chemistry. This book was released on 2016 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern NMR Approaches for the Structure Elucidation of Natural Products is part of a two-volume set focusing on the structure elucidation of natural products. Volume 1 discusses contemporary NMR approaches including optimized hardware and experimental approaches to obtain both the highest quality and most appropriate spectral data for analysis. It also discusses data processing and algorithmic-based analysis of the data to establish molecular structures. This meshing of details regarding data acquisition, software and hardware approaches to the elucidation of natural products will bring together contributions from leading experts in the field. Volume 2 reviews the application of NMR to the analysis of a series of different natural product families including marine natural products, anti-cancer agents, alkaloids, terpenes, steroids, antibiotics, carbohydrates, peptides and venoms. There are no books on the market that are focused on the unique combination of experimental approaches and modern hardware and software approaches to the structure elucidation of natural products. These books will, spread over 2 volumes, bring together acknowledged experts in the field of structure elucidation and be attractive to those with a specific interest in the characterisation of natural products. The volumes will be an essential resource for NMR spectroscopists, natural product chemists and industrial researchers working on natural product analysis or the characterisation of impurities and degradation products of pharmaceuticals that can be scarce as natural product samples.

Encyclopedia of Chromatography 2004 Update Supplement

Author : Jack Cazes
Publisher : CRC Press
ISBN 13 : 0824721535
Total Pages : 602 pages
Book Rating : 4.8/5 (247 download)

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Book Synopsis Encyclopedia of Chromatography 2004 Update Supplement by : Jack Cazes

Download or read book Encyclopedia of Chromatography 2004 Update Supplement written by Jack Cazes and published by CRC Press. This book was released on 2004-08-11 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: In step with novel technologies and methodologies that have reshaped chromatography in recent years, this supplement reviews developments in HPLC, TLC, SFC, CCC, and other areas-presenting 50 authoritative entries filled with practical information vital to applications from biotechnology to environmental science to clinical pathology.

Liquid Chromatography

Author : J.-L. Wolfender
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128071435
Total Pages : 520 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Liquid Chromatography by : J.-L. Wolfender

Download or read book Liquid Chromatography written by J.-L. Wolfender and published by Elsevier Inc. Chapters. This book was released on 2013-01-08 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear magnetic resonance spectroscopy (NMR) provides a rich source of structural information which when combined with other spectroscopic data allows structural elucidation of complex compounds as well as a universal detection method for compounds of interest in complex mixtures. NMR is a nondestructive technique that facilitates its coupling with other spectroscopic methods such as mass spectrometry. The key to on-line NMR detection is the design of the flow probe. Suitable probes for continuous flow, stop flow, loop collection, solid-phase extraction, and microflow probes are described emphasizing their general applications and limitations. Sensitivity and probe volume are major limitations of NMR coupling to liquid chromatography. Solvent selection for separations needs to consider the unique characteristics of NMR, for example the use of deuterated solvents for proton detection, and methods available for solvent suppression. Practical applications of LC-NMR are presented to illustrate the use of this technique in different areas of analytical chemistry.

Computational Phytochemistry

Author : Satyajit Dey Sarker
Publisher : Elsevier
ISBN 13 : 0443161038
Total Pages : 532 pages
Book Rating : 4.4/5 (431 download)

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Book Synopsis Computational Phytochemistry by : Satyajit Dey Sarker

Download or read book Computational Phytochemistry written by Satyajit Dey Sarker and published by Elsevier. This book was released on 2024-03-15 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Phytochemistry, Second Edition, explores how recent advances in computational techniques and methods have been embraced by phytochemical researchers to enhance many of their operations, refocusing and expanding the possibilities of phytochemical studies. By applying computational aids and mathematical models to extraction, isolation, structure determination, and bioactivity testing, researchers can obtain highly detailed information about phytochemicals and optimize working approaches. This book aims to support and encourage researchers currently working with or looking to incorporate computational methods into their phytochemical work. Topics in this book include computational methods for predicting medicinal properties, optimizing extraction, isolating plant secondary metabolites, and building dereplicated phytochemical libraries. The roles of high-throughput screening, spectral data for structural prediction, plant metabolomics, and biosynthesis are all reviewed before the application of computational aids for assessing bioactivities and virtual screening is discussed. Illustrated with detailed figures and supported by practical examples, this book is an indispensable guide for all those involved with the identification, extraction, and application of active agents from natural products. This new edition captures remarkable advancements in mathematical modeling and computational methods that have been incorporated in phytochemical research, addressing, e.g., extraction, isolation, structure determination, and bioactivity testing of phytochemicals. Includes step-by-step protocols for various computational and mathematical approaches applied to phytochemical research Features clearly illustrated chapters contributed by highly reputable researchers Covers all key areas in phytochemical research, including virtual screening and metabolomics

Hyphenated and Alternative Methods of Detection in Chromatography

Author : R. Andrew Shalliker
Publisher : CRC Press
ISBN 13 : 1000654567
Total Pages : 311 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Hyphenated and Alternative Methods of Detection in Chromatography by : R. Andrew Shalliker

Download or read book Hyphenated and Alternative Methods of Detection in Chromatography written by R. Andrew Shalliker and published by CRC Press. This book was released on 2011-12-14 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Widely employed for separating and detecting chemicals in solution, separation techniques are most often applied in tandem, subsequently referred to as hyphenated methods. Hyphenated and Alternative Methods of Detection in Chromatography details the development and application of mass spectral detection techniques coupled with gas phase and liquid

Nuclear Magnetic Resonance

Author : Vasudevan Ramesh
Publisher : Royal Society of Chemistry
ISBN 13 : 1782620532
Total Pages : 326 pages
Book Rating : 4.7/5 (826 download)

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Book Synopsis Nuclear Magnetic Resonance by : Vasudevan Ramesh

Download or read book Nuclear Magnetic Resonance written by Vasudevan Ramesh and published by Royal Society of Chemistry. This book was released on 2016-04-28 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume will focus on a theme - NMR applications in industry and providing a comprehensive yet critical review of the current literature from various industries.

NMR Spectroscopy

Author : Myrna J. Simpson
Publisher : John Wiley & Sons
ISBN 13 : 111861643X
Total Pages : 448 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis NMR Spectroscopy by : Myrna J. Simpson

Download or read book NMR Spectroscopy written by Myrna J. Simpson and published by John Wiley & Sons. This book was released on 2014-06-12 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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

Hayes' Principles and Methods of Toxicology, Sixth Edition

Author : A. Wallace Hayes
Publisher : CRC Press
ISBN 13 : 1842145363
Total Pages : 2186 pages
Book Rating : 4.8/5 (421 download)

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Book Synopsis Hayes' Principles and Methods of Toxicology, Sixth Edition by : A. Wallace Hayes

Download or read book Hayes' Principles and Methods of Toxicology, Sixth Edition written by A. Wallace Hayes and published by CRC Press. This book was released on 2014-10-10 with total page 2186 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hayes’ Principles and Methods of Toxicology has long been established as a reliable reference to the concepts, methodologies, and assessments integral to toxicology. The new sixth edition has been revised and updated while maintaining the same high standards that have made this volume a benchmark resource in the field. With new authors and new chapters that address the advances and developments since the fifth edition, the book presents everything toxicologists and students need to know to understand hazards and mechanisms of toxicity, enabling them to better assess risk. The book begins with the four basic principles of toxicology—dose matters, people differ, everything transforms, and timing is crucial. The contributors discuss various agents of toxicity, including foodborne, solvents, crop protection chemicals, radiation, and plant and animal toxins. They examine various methods for defining and measuring toxicity in a host of areas, including genetics, carcinogenicity, toxicity in major body systems, and the environment. This new edition contains an expanded glossary reflecting significant changes in the field. New topics in this edition include: The importance of dose–response Systems toxicology Food safety The humane use and care of animals Neurotoxicology The comprehensive coverage and clear writing style make this volume an invaluable text for students and a one-stop reference for professionals.

Analytical Methods in Combinatorial Chemistry

Author : Bing Yan
Publisher : CRC Press
ISBN 13 : 1420003526
Total Pages : 238 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Analytical Methods in Combinatorial Chemistry by : Bing Yan

Download or read book Analytical Methods in Combinatorial Chemistry written by Bing Yan and published by CRC Press. This book was released on 2010-08-09 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the publication of the benchmark first edition of this book, chemical library and combinatorial chemistry methods have developed into mature technologies. There have also been significant shifts in emphasis in combinatorial synthesis. Reflecting the growth in the field and the heightened focus on select areas, Analytical Methods in Combinator

Modern Alkaloids

Author : Ernesto Fattorusso
Publisher : John Wiley & Sons
ISBN 13 : 9783527315215
Total Pages : 694 pages
Book Rating : 4.3/5 (152 download)

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Book Synopsis Modern Alkaloids by : Ernesto Fattorusso

Download or read book Modern Alkaloids written by Ernesto Fattorusso and published by John Wiley & Sons. This book was released on 2007-12-03 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents all important aspects of modern alkaloid chemistry, making it the only work of its kind to offer up-to-date and comprehensive coverage. While the first part concentrates on the structure and biology of bioactive alkaloids, the second one analyzes new trends in alkaloid isolation and structure elucidation, as well as in alkaloid synthesis and biosynthesis. A must for biochemists, organic, natural products, and medicinal chemists, as well as pharmacologists, pharmaceutists, and those working in the pharmaceutical industry.