Advances in Magnetic Resonance

The Waugh Symposium

1st Edition - November 28, 1989
Editor: Warren S. Warren
Language: English
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 1 5 7 3 7 - 7

Advances in Magnetic Resonance: The Waugh Symposium, Volume 13 is a collection of manuscripts presented at the 1989 conference on “High Resolution NMR in Solids” at Massachusetts… Read more

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Advances in Magnetic Resonance: The Waugh Symposium, Volume 13 is a collection of manuscripts presented at the 1989 conference on “High Resolution NMR in Solids” at Massachusetts Institute of Technology. This conference recognizes the accomplishments of John S. Waugh and his colleagues in the entire field of high resolution nuclear magnetic resonance (NMR) in solids. Organized into 11 chapters, this book first discusses the principles, limitations, and applications of single crystal, deuterium, proton, and rotational-echo double resonance NMR techniques. It then deals with other NMR methods, such as two-dimensional, electrophoretic, and site-selective excitation NMR, with particular emphasis on their theoretical background and application in solid systems. Other chapters describe several hybrid two-dimensional experiments leading to a significant increase in spectral quality. Discussions on the advantages of utilizing two-dimensional solid-state NMR in studying the complex and highly orientable biological samples such as DNA are provided in the concluding chapters of the book. This volume also provides the 113Cd NMR results in the prediction of the 113Cd shielding tensor orientation in the real ligand geometry at a metal site. Analytical and quantum chemists, physicists, biochemists, and materials science researchers will find this book invaluable.

Preface

Single Crystal Nuclear Magnetic Resonance Studies of High Temperature Superconductors

I. Introduction

II. Experimental Data

III. Site Identification

IV. The Copper Atom Electric Charge

V. The Magnetic State of the Copper Atoms

VI. The Exchange Coupling between Electron Spins of Neighboring Copper Atoms

References

Deuterium Nuclear Magnetic Resonance and Molecular Dynamics in Alkane/Urea Inclusion Compounds

I. Introduction

II. Spin Dynamics

III. Molecular Dynamics

IV. Experimental Results and Comparison with Molecular Dynamic Simulations

V. Summarizing Remarks

References

1H Nuclear Magnetic Resonance Imaging of Solids with Magic-Angle Spinning

I. Introduction

II. Imaging with Magic-Angle Spinning and a Synchronously Rotating Field Gradient

III. Imaging with Magic-Angle Spinning, Multiple-Pulse Ή Decoupling, and a Synchronously Rotating Field Gradient

IV Imaging with an Oscillating, Rotating Field Gradient

V. Conclusions

References

Detection of Weak Heteronuclear Dipolar Coupling by Rotational-Echo Double-Resonance Nuclear Magnetic Resonance

I. Introduction

II. Description of the Basic Rotational-Echo Double-Resonance (REDOR) Experiment

III. REDOR and Mirror-Asymmetric Pulse Sequences

IV. REDOR and Mirror-Symmetric Pulse Sequences

V. Two-Dimensional REDOR Experiments

VI. REDOR with Synchronous Sampling

VII. Experimental Details

VIII. Conclusions

Appendix: Time-Domain Analysis for Creation of Real MAS NMR Spectra

References

Two-Dimensional Nuclear Magnetic Resonance Experiments for Studying Molecular Order and Dynamics in Static and Rotating Solids

I. Introduction

II. Theory and Methods

III. Applications to Solid Polymers

IV. Summary and Outlook

Appendix: Symmetries Leading to Absorptive Magic-Angle Spinning Spectra

References

Electrophoretic Nuclear Magnetic Resonance

I. Introduction

II. Principles of Electrophoretic Nuclear Magnetic Resonance

III. Practical Considerations

IV. Applications of High-Resolution Electrophoretic Nuclear Magnetic Resonance

V. Conclusions

References

Ultraslow Atomic Motion by Site-Selective Excitation of Highly Resolved Nuclear Magnetic Resonance Lines in Dilute Spin Systems

I. Introduction

II. Theoretical Background of Site-Selective Excitation (SSE)

III. SSE Experiments

IV. Atomic Diffusion Measured by SSE

V. Summary

References

Two-Dimensional Hybrid Experiments for the Measurement of Small Anisotropies in Magic-Angle Spinning Nuclear Magnetic Resonance

I. Introduction

II. Spin-Echo Scaling

III. Switched-Speed Spinning Spin-Echo Nuclear Magnetic Resonance

IV. Switched-Speed Spinning Experiment

V. Experimental Results

VI. Conclusions

References

Deuterium Nuclear Magnetic Resonance and Relaxation in Partially Ordered Systems

I. Introduction

II. Cholesterol-DPPC Phase Equilibria

III. Dynamics in Peptide-Phospholipid Mixtures

IV. 2H Nuclear Magnetic Resonance of the Peptide Backbone: Gramicidin

V. Conclusion

References

Two-Dimensional Solid-State Nuclear Magnetic Resonance Studies of the Conformation of Oriented DNA

I. Introduction

II. Methods

III. Theory

IV. Phosphorus-31 Solid-State Nuclear Magnetic Resonance of Oriented A-DNA Fibers

V. Carbon-13 Solid-State Nuclear Magnetic Resonance of Oriented A-DNA Fibers

VI. Conclusions

References

113Cd Nuclear Magnetic Resonance of Cd2+-Substituted Carboxypeptidase Aα: A Perspective From 113Cd-Shielding Tensors

I. Introduction

II. Results and Discussion

References

Index