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Electron Paramagnetic Resonance

Electron Paramagnetic Resonance

Victor Chechik | Damien M Murphy

(2016)

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Book Details

Abstract

The topics covered in this volume describe contrasting types of Electron Paramagnetic Resonance (EPR) application, including inorganic paramagnetic systems, spin-labeling in highly dynamic systems such as RNAs and IDPs and applications of nitroxides in host:guest chemistry. EPR applications remain very significant in modern science and this volume compiles critical coverage of developments in the recent literature by a hand-picked group of researchers at the cutting-edge of the field. Providing a snap shot of the area, this book is a useful addition to any library supporting this research.

Table of Contents

Section Title Page Action Price
Cover Cover
Contents vii
Preface v
Tuning the properties of nitroxide spin labels for use in electron paramagnetic resonance spectroscopy through chemical modification of the nitroxide framework 1
1 Introduction 1
2 The nitroxide spin label as a probe in EPR spectroscopy 2
3 Synthetic routes to nitroxide spin labels 8
4 Recent advances in applications of spin labels 19
5 Summary 26
References 26
Trityl radicals as spin labels 35
1 Introduction 35
2 TAM radicals: structure and properties 36
3 Synthesis of TAM radicals and TAM labeling of proteins and nucleic acids 39
4 Electron spin relaxation of TAM radicals 44
5 Peculiarities of PD EPR approaches to distance measurement using TAM spin labels 46
6 Distance measurements at physiologically relevant temperatures 50
7 Conclusion 56
Acknowledgments 56
References 57
Molecules as electron spin qubits 61
1 Introduction 61
2 Quantum hardware 62
3 Experimental methods 64
4 Organic molecular qubits 66
5 Inorganic molecular qubits 69
6 Outlook 92
Acknowledgments 92
References 92
Status and perspectives of a virtual multifrequency spectrometer for ESR 98
1 Introduction 98
2 Interpretative models for magnetic spectroscopies 103
3 Spin Hamiltonian 106
4 Stochastic diffusion operator, relaxation 122
5 Stochastic ab initio spectra simulation of CW-ESR 134
6 Towards a multi-body ESR: novel computational techniques 140
7 Conclusions 150
Acknowledgments 151
References 151
Application of site-directed spin labelling for studying conformational changes in the catalytic cycle of G proteins activated by dimerization 157
1 Introduction 157
2 Site-directed spin labelling and EPR spectroscopy 163
3 Conformational changes in the catalytic cycle of GADs 165
4 Discussion 174
Acknowledgments 177
References 177
Nitroxides in host–guest chemistry: 2010–2016 180
1 Introduction 180
2 Cyclodextrins as hosts 181
3 Cucurbituril as a host 195
4 Miscellaneous 211
5 Conclusion 231
Acknowledgments 231
References 231