Nitrogen Nmr

Author : M. Witanowski
Publisher : Springer Science & Business Media
Page : 406 pages
File Size : 54,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781468481754

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Nitrogen NMR by M. Witanowski Pdf

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 : Graham A. Webb
Publisher : Academic Press
Page : 640 pages
File Size : 42,7 Mb
Release : 1999-10-08
Category : Science
ISBN : 0080584233

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Annual Reports on NMR Spectroscopy by Graham A. Webb Pdf

These indexes are valuable volumes in the serial, bringing together what has been published over the past 38 volumes. They include a preface by the editor of the series, an author index, a subject index, a cumulative list of chapter titles, and listings of contents by volume.

Author : George C. Levy,Robert L. Lichter
Publisher : John Wiley & Sons
Page : 240 pages
File Size : 52,9 Mb
Release : 1979
Category : Science
ISBN : UOM:39015016033337

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Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy by George C. Levy,Robert L. Lichter Pdf

Author : G.J. Martin,M.L. Martin,J.-P. Gouesnard
Publisher : Springer Science & Business Media
Page : 389 pages
File Size : 40,7 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642501722

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15N-NMR Spectroscopy by G.J. Martin,M.L. Martin,J.-P. Gouesnard Pdf

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 : Anonim
Publisher : Unknown
Page : 502 pages
File Size : 42,7 Mb
Release : 1981
Category : Electronic
ISBN : 0125053495

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Annual Reports on NMR Spectroscopy. Ed. by G. A. Webb. Vol. 11b. M. Witanowski - L. Stefaniak - G. A. Webb by Anonim Pdf

Author : Bruce B. Murray
Publisher : Unknown
Page : 12 pages
File Size : 42,7 Mb
Release : 1959
Category : Nitrogen
ISBN : UOM:39015086426114

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Nuclear Magnetic Resonance Spectra of Nitrogen-14 in Ruthenium Nitrosyl Complexes by Bruce B. Murray Pdf

Author : Anonim
Publisher : Academic Press
Page : 640 pages
File Size : 51,9 Mb
Release : 1999-10-04
Category : Science
ISBN : 0080584225

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Annual Reports on NMR Spectroscopy by Anonim Pdf

These indexes are valuable volumes in the serial, bringing together what has been published over the past 38 volumes. They include a preface by the editor of the series, an author index, a subject index, a cumulative list of chapter titles, and listings of contents by volume.

Author : Anonim
Publisher : Academic Press
Page : 501 pages
File Size : 43,9 Mb
Release : 1981-12-01
Category : Science
ISBN : 0080583946

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Annual Reports on NMR Spectroscopy by Anonim Pdf

Annual Reports on NMR Spectroscopy

Author : Anonim
Publisher : Springer Science & Business Media
Page : 312 pages
File Size : 41,5 Mb
Release : 2004-08-19
Category : Science
ISBN : 3540205101

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NMR · 3D Analysis · Photopolymerization by Anonim Pdf

This series presents critical reviews of the present and future trends in polymer and biopolymer science including chemistry, physical chemistry, physics and materials science. It is addressed to all scientists at universities and in industry who wish to keep abreast of advances in the topics covered. Impact Factor Ranking: Always number one in Polymer Science. More information as well as the electronic version of the whole content available at: www.springerlink.com

Author : Anonim
Publisher : Academic Press
Page : 312 pages
File Size : 51,9 Mb
Release : 2003-12-18
Category : Science
ISBN : 008054410X

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Annual Reports on NMR Spectroscopy by Anonim Pdf

Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicians 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 where precise structural determination is required and where the nature of interactions and reactions in solution is being studied. Annual Reports on NMR has established itself as a premier means for the specialist and nonspecialist alike to become familiar with new techniques and applications of NMR spectroscopy. - Includes comprehensive review articles on NMR Spectroscopy - NMR is used in all branches of science - No other technique has grown to such importance as NMR Spectroscopy in recent years

Author : Terence N. Mitchell,Burkhard Costisella
Publisher : Springer Science & Business Media
Page : 216 pages
File Size : 54,7 Mb
Release : 2007-08-14
Category : Science
ISBN : 9783540721963

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NMR - From Spectra to Structures by Terence N. Mitchell,Burkhard Costisella Pdf

This practice-oriented textbook shows how to utilize the huge variety of NMR experiments available today in addition to standard experiments. Intended as a practical guide for students and laboratory personnel, it treats theoretical aspects only to the extent necessary to understand the experiments and to interpret the results. The book is significantly revised and expanded for the 2nd edition, and now includes the nuclei 1H/2H, 13C, 31P, 17O, 15N, 19F, 29Si, 77Se, 113Cd, 117Sn/119Sn, 195Pt, 207Pb and a new chapter on solid state NMR. An expanded set of 50 graded problems offers invaluable help for students, practitioners and laboratory personnel alike.

Author : J.B. Lambert,F.G. Riddell
Publisher : Springer Science & Business Media
Page : 552 pages
File Size : 52,6 Mb
Release : 2012-12-06
Category : Mathematics
ISBN : 9789400971301

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The Multinuclear Approach to NMR Spectroscopy by J.B. Lambert,F.G. Riddell Pdf

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 : Anonim
Publisher : Academic Press
Page : 3716 pages
File Size : 44,7 Mb
Release : 2016-09-22
Category : Science
ISBN : 9780128032251

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Encyclopedia of Spectroscopy and Spectrometry by Anonim Pdf

This third edition of the Encyclopedia of Spectroscopy and Spectrometry, Three Volume Set provides authoritative and comprehensive coverage of all aspects of spectroscopy and closely related subjects that use the same fundamental principles, including mass spectrometry, imaging techniques and applications. It includes the history, theoretical background, details of instrumentation and technology, and current applications of the key areas of spectroscopy. The new edition will include over 80 new articles across the field. These will complement those from the previous edition, which have been brought up-to-date to reflect the latest trends in the field. Coverage in the third edition includes: Atomic spectroscopy Electronic spectroscopy Fundamentals in spectroscopy High-Energy spectroscopy Magnetic resonance Mass spectrometry Spatially-resolved spectroscopic analysis Vibrational, rotational and Raman spectroscopies The new edition is aimed at professional scientists seeking to familiarize themselves with particular topics quickly and easily. This major reference work continues to be clear and accessible and focus on the fundamental principles, techniques and applications of spectroscopy and spectrometry. Incorporates more than 150 color figures, 5,000 references, and 300 articles for a thorough examination of the field Highlights new research and promotes innovation in applied areas ranging from food science and forensics to biomedicine and health Presents a one-stop resource for quick access to answers and an in-depth examination of topics in the spectroscopy and spectrometry arenas

Author : B. E. Holder
Publisher : Unknown
Page : 6 pages
File Size : 55,8 Mb
Release : 1955
Category : Nitrogen
ISBN : UOM:39015086484634

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Chemical Shifts of Nitrogen by B. E. Holder Pdf

Author : Matthias Findeisen,Stefan Berger
Publisher : John Wiley & Sons
Page : 322 pages
File Size : 53,6 Mb
Release : 2013-11-04
Category : Science
ISBN : 9783527334834

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50 and More Essential NMR Experiments by Matthias Findeisen,Stefan Berger Pdf

This book is the perfect link for learning how to perform the experiments after only having studied theory. In eight chapters more than 50 essential NMR experiments are described in detail. Special focus is put on the organic set of NMR spectra (1H, 13C-APT, COSY, NOESY, HSQC and HMBC). Different chapters deal with advanced organic NMR, selective methods, heteronuclear NMR, relaxation and diffusion measurements, organic applications and maintenance. Every experiment has a section providing the reader with the purpose and scope of the specific experiment. Every experiment is concluded with the spectrum as it is obtained under the conditions described. Questions and comments enable the reader to check their understanding. The authors are very experienced and the whole book is in full color, which enhances the reading experience and makes the spectra and other figures easier to understand. This book is strongly recommended for all students and researchers who are involved in the structural elucidation of chemical compounds both in practical education and in pursuing research, in particular if they handle an NMR spectrometer.