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Author : George C. Levy
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy written by George C. Levy and published by John Wiley & Sons. This book was released on 1979 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G.J. Martin
Publisher : Springer Science & Business Media
ISBN 13 : 3642501729
Total Pages : 389 pages
Book Rating : 4.6/5 (425 download)
Download or read book 15N-NMR Spectroscopy written by G.J. Martin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: After the proton and carbon, nitrogen is, with oxygen, the most impor tant atom in organic and especially bioorganic molecules. However, the development of nitrogen spectroscopy is indeed very recent. This is due to the fact that nitrogen-14, which is the naturally abundant iso tope, suffers, for structural studies, from the disadvantages inherent in nuclei with a quadrupolar moment (Table 1.1). Actually, indirect 15N measurements were reported in the early days of double resonance spectroscopy and the first direct detection of 15N resonance signals at the natural abundance level was realized in 1964 (R 17) at 4.33 MHz 1 (~ 1T) using a 15 mm o.d. cell in the field sweep mode (~ 0.16 min- ). Signal-to-noise ratios only of 3-4 were obtained for neat liquids and this low sensitivity of the 15N resonance still remains the main dis advantage for 15 spectroscopy (Table 1.1). However, nitrogen-15 has, N probably more than any other nucleus, benefited from the advances of NMR technology, i.e. Fourier transformation, multinuclear facilities, wide-bore super conducting solenoids, and, with the new generation of spectrometers, 15N-NMR is entering the field of routine investigation. Nevertheless, in spite of these spectacular improvements, obtaining 15N spectra of diluted species or large biochemical molecules is often not very easy and a good knowledge of the relaxation properties pecu liar to 15N may be necessary in order to adjust the pulse sequences and the decoupler duty cycle correctly (Section 2).
Author : Alastair Ian White
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (118 download)
Download or read book Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy written by Alastair Ian White and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : RL. LICHTER
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (985 download)
Download or read book Nitrogen 15 Nuclear Magnetic Resonance Spectroscopy written by RL. LICHTER and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.B. Lambert
Publisher : Springer Science & Business Media
ISBN 13 : 9400971303
Total Pages : 552 pages
Book Rating : 4.4/5 (9 download)
Download or read book The Multinuclear Approach to NMR Spectroscopy written by J.B. Lambert and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of nuclear magnetic resonance has experienced a number of spectacular developments during the last decade. Fourier transform methodology revolutionized signal acquisition capabilities. Superconducting magnets enhanced sensitivity and produced considerable improvement in spectral dispersion. In areas of new applicat ions, the life sciences particularly bene fited from these developments and probably saw the largest increase in usage. NMR imaging promises to offer a noninvasive alternative to X rays. High resolution is now achievable with solids, through magic angle spinning and cross polarization, so that the powers of NMR are applicable to previously intractable materials such as polymers, coal, and other geochemicals. The ease of obtaining relaxation times brought an important fourth variable, after the chemical shift, the coupling constant, and the rate constant, to the examination of structural and kinetic problems i~ all fields. Software development, particularly in the area of pulse sequences, created a host of useful tech niques, including difference decoupling and difference nuclear Overhauser effect spectra, multidimensional displays, signal enhancement (INEPT), coupling constant analysis for connectivity (INADEQUATE), and observation of specific structural classes such as only quaternary carbons. Finally, hardware development gave us access to the entire Periodic Table, to the particular advan tage of the inorganic and organometallic chemist. At the NATO Advanced Study Institute at Stirling, Scotland, the participants endeavored to examine all these advances, except imaging, from a multidisciplinary point of view.
Author : Atta-ur-Rahman
Publisher : Bentham Science Publishers
ISBN 13 : 168108287X
Total Pages : 289 pages
Book Rating : 4.6/5 (81 download)
Download or read book Applications of NMR Spectroscopy written by Atta-ur-Rahman and published by Bentham Science Publishers. This book was released on 2016-11-22 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : M. Witanowski
Publisher : Springer Science & Business Media
ISBN 13 : 1468481754
Total Pages : 406 pages
Book Rating : 4.4/5 (684 download)
Download or read book Nitrogen NMR written by M. Witanowski and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: To date nitrogen NMR has been discussed in research papers and review articles throughout the scientific literature. It has been our aim in preparing this book to provide a comprehen sive account of the widely spread applications of nitrogen NMR. The relevant literature has been surveyed from the beginnings of NMR until early 1972. The steady annual growth in the number of references cited since 1965 is ample evidence of the ever increasing importance of the subject. Sufficient theoretical and experimental background is given for an understanding of the applications dealt with in later chapters. The basic principles of NMR are developed with a theoretical approach to chemical shifts and spin-spin coupling constants, particular emphasis being given to nitrogen nuclei. Following this the experimental aspects of nitrogen NMR are adequately described. Special emphasis is given to the observable effects of the nuclear quadrupole moment of the 14 N nucleus. It is appro priate that this topic be dealt with in depth since quadrupolar interactions frequently dominate the information available from a study of the 14 N nucleus and other nuclei spin coupled to it. The applications of nitrogen chemical shift data to organic and inorganic molecules are covered in two extensive chapters which include the effects of paramagnetism on nitrogen NMR.
Author : John L. Markley
Publisher : Oxford University Press
ISBN 13 : 0195357426
Total Pages : 375 pages
Book Rating : 4.1/5 (953 download)
Download or read book Biological NMR Spectroscopy written by John L. Markley and published by Oxford University Press. This book was released on 1997-01-30 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a critical assessment of progress on the use of nuclear magnetic resonance spectroscopy to determine the structure of proteins, including brief reviews of the history of the field along with coverage of current clinical and in vivo applications. The book, in honor of Oleg Jardetsky, one of the pioneers of the field, is edited by two of the most highly respected investigators using NMR, and features contributions by most of the leading workers in the field. It will be valued as a landmark publication that presents the state-of-the-art perspectives regarding one of today's most important technologies.
Author : Timothy Eaton Laska
Publisher :
ISBN 13 :
Total Pages : 470 pages
Book Rating : 4.:/5 (89 download)
Download or read book The Development of Solid-state Nitrogen-15 Nuclear Magnetic Resonance to Study Nitric Oxide Adsorption on Catalysts written by Timothy Eaton Laska and published by . This book was released on 1991 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Donovan-Mtunzi
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (535 download)
Download or read book Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy written by S. Donovan-Mtunzi and published by . This book was released on 1982 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Donovan-Mtunzi
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (535 download)
Download or read book Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy written by S. Donovan-Mtunzi and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph B. Lambert
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (227 download)
Download or read book Nitrogen-15 Magnetic Resonance Spectroscopy. I. Chemical Shifts written by Joseph B. Lambert and published by . This book was released on 1964 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. Nakajima
Publisher : Elsevier
ISBN 13 : 0080525482
Total Pages : 715 pages
Book Rating : 4.0/5 (85 download)
Download or read book Advanced Inorganic Fluorides: Synthesis, Characterization and Applications written by T. Nakajima and published by Elsevier. This book was released on 2000-05-12 with total page 715 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes recent progresses in inorganic fluorine chemistry. Highlights include new aspects of inorganic fluorine chemistry, such as new synthetic methods, structures of new fluorides and oxide fluorides, their physical and chemical properties, fluoride catalysts, surface modifications of inorganic materials by fluorination process, new energy conversion materials and industrial applications. Fluorine has quite unique properties (highest electronegativity; very small polarizability). In fact, fluorine is so reactive that it forms fluorides with all elements except with the lightest noble gases helium, neon and argon. Originally, due to its high reactivity, fluoride chemistry faced many technical difficulties and remained undeveloped for many years. Now, however, a large number of fluorine-containing materials are currently produced for practical uses on an industrial scale and their applications are rapidly extending to many fields. Syntheses and structure analyses of thermodynamically unstable high-oxidation-state fluorides have greatly contributed to inorganic chemistry in this decade. Fluoride catalysts and surface modifications using fluorine are developing a new field of fluorine chemistry and will enable new syntheses of various compounds. The research on inorganic fluorides is now contributing to many chemical energy conversion processes such as lithium batteries. Furthermore, new theoretical approaches to determining the electronic structures of fluorine compounds are also progressing. On the industrial front, the use of inorganic fluorine compounds is constantly increasing, for example, in semi-conductor industry. "Advanced Inorganic Fluorides: Synthesis, Characterization and Applications" focuses on these new features in inorganic fluorine chemistry and its industrial applications. The authors are outstanding experts in their fields, and the contents of the book should prove to be of valuable assistance to all chemists, graduates, students and researchers in the field of fluorine chemistry.
Author : Bruce B. Murray
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Magnetic Resonance Spectra of Nitrogen-14 in Ruthenium Nitrosyl Complexes written by Bruce B. Murray and published by . This book was released on 1959 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank A. Bovey
Publisher : Elsevier
ISBN 13 : 0080916996
Total Pages : 668 pages
Book Rating : 4.0/5 (89 download)
Download or read book Nuclear Magnetic Resonance Spectroscopy written by Frank A. Bovey and published by Elsevier. This book was released on 1988-11-01 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nuclear Magnetic Resonance Spectroscopy, Second Edition focuses on two-dimensional nuclear magnetic resonance (NMR) spectroscopy, high resolution NMR of solids, water suppression, multiple quantum spectroscopy, and NMR imaging. The selection first takes a look at the fundamental principles and experimental methods. Discussions focus on the NMR phenomenon, dipolar broadening and spin-spin relaxation, nuclear electric quadrupole relaxation, saturation, magnetic shielding and chemical shift, magnetic field, transitions between the nuclear energy levels, and resolution and sensitivity considerations. The manuscript then ponders on chemical shift, coupling of nuclear spins, and nuclear relaxation and chemical rate processes. Topics include spin lattice relaxation, spin-spin relaxation, spin decoupling and associated techniques, and description and analysis of spin systems. The text examines two-dimensional NMR spectroscopy, macromolecules, and NMR of solids, including magic angle spinning, cross polarization, proton dipolar broadening, biopolymers, and chain motion in macromolecules. The selection is a valuable source of data for readers interested in nuclear magnetic resonance spectroscopy.
Author : Daniel Canet
Publisher :
ISBN 13 :
Total Pages : 274 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Magnetic Resonance written by Daniel Canet and published by . This book was released on 1996-06-19 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emphasizes the physical and mathematical features of liquid state NMR spectroscopy which underpin the numerous important applications of the technique. Details of some of these applications, such as structural determination from small organic molecules to large biomolecules, the study of molecular motions and NMR imaging then follow. Detailed examples and figures throughout the text enable the student to grasp conceptually challenging ideas, while the most advanced mathematical and quantum concepts are presented so that they can be skipped on a first reading without impeding a global understanding of the key concepts.
Author : Xiaohua Huang
Publisher :
ISBN 13 :
Total Pages : 212 pages
Book Rating : 4.:/5 (317 download)
Download or read book Nitrogen-15 Magnetic Resonance Spectroscopy of Compounds Containing the Nitrogen-nitrogen Bond written by Xiaohua Huang and published by . This book was released on 1990 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
