This book describes nuclear magnetic resonance (NMR) methods which are used to study translational dynamics of molecules in different complex systems including systems made of synthetic and natural polymers, tissues and the porous heterogeneous systems of different types, such as cement and wood. The results of proton spin-lattice and spin-spin relaxation, cross-relaxation, pulse field gradient (PFG) NMR in studying diffusion properties and dynamics of molecules in polymer systems of different complexity are reported. In addition to these methods, reports on the use of the double-quantum-filtered (DQF) NMR technique in a study of slow molecular dynamics and properties of systems with anisotropic properties, such as water in hardening cement pastes, are presented. The book also covers applications of one and two dimensional NMR techniques.This book is a useful reference for readers learning different NMR techniques and their applications in civil engineering and biochemistry.
Author(s): Victor V. Rodin
Publisher: Bentham Science Publishers
Year: 2018
Language: English
Pages: 241
CONTENTS
FOREWORD
FOREWORD 1
FOREWORD 2
FOREWORD 3
FOREWORD 4
PREFACE
CONFLICT OF INTEREST
ACKNOWLEDGEMENT
DEDICATION
Basic Principles of NMR and Experimental Techniques
INTRODUCTION TO NMR
SPIN-LATTICE AND SPIN-SPIN NMR RELAXATION
Spin-Lattice (Longitudinal) Relaxation
Spin-Spin (Transverse) Relaxation
EXPERIMENTAL MATERIALS AND METHODS
NMR Techniques for Studying T1,T2 and Cross-Relaxation
Pulsed Field Gradient (PFG) NMR in One- and Two-Dimensional Studies
Cross-Relaxation in PFG NMR Studies
Double-Quantum-Filtered (DQF) NMR Spectroscopy
CONCLUDING REMARKS
REFERENCES
Dynamic Properties of Bound Water in Natural Polymers as Studied by NMR Relaxation
NATURAL SILK BOMBYX MORI WITH LOW WATER CONTENT
NMR RELAXATION IN NONORIENTED AND ORIENTED COLLAGEN FIBERS
NMR Relaxation in ECSD (Randomly Oriented) Collagen Samples
NMR Relaxation in Oriented Collagen Fibers
CONCLUDING REMARKS
REFERENCES
NMR Diffusion Studies of Water in Natural Biopolymers
1H NMR STUDY OF THE SELF-DIFFUSION OF WATER IN CROSS-LINKED COLLAGENS
SELF-DIFFUSION OF WATER IN BOMBYX MORI SILK AS STUDIED BY NMR
CONCLUDING REMARKS
REFERENCES
Collagen Tissues with Different Degree ofCross-Links and Natural Silk as Studied by1H DQF NMR
1H DQF NMR SPECTROSCOPY IN STUDYING COLLAGENS WITH DIFFERENT DEGREE OF CROSS-LINKS
1H DQF NMR STUDY OF BOMBYX MORI SILK
CONCLUDING REMARKS
REFERENCES
NMR Relaxation and Restricted Self-Diffusion of Water in Wood
INTRODUCTION: WATER IN WOOD
STUDYING NMR RELAXATION IN WOOD: FROM WET TO DRIED WOOD
RESTRICTED DIFFUSION OF WATER IN WOOD: ONE-DIMENSIONAL PFG NMR STUDIES
CONCLUDING REMARKS
ACKNOWLEDGEMENTS
REFERENCES
2D Diffusion-Diffusion Correlation NMR Spectroscopy in Study of Diffusion Anisotropyin Wood
INTRODUCTION
THEORY AND MODELS IN DIFFUSION-DIFFUSION CORRELATION SPECTROSCOPY (DDCOSY)
DDCOSY WITH PARALLEL ORIENTED PAIRS OF GRADIENTS. SIMULATIONS AND EXPERIMENTS ON WOOD
2D DDCOSY WITH PERPENDICULAR PAIRS OF GRADIENTS. INVERSE LAPLACE TRANSFORM IN STUDYING DIFFUSION ANISOTROPY IN WOOD
CONCLUSION
ACKNOWLEDGEMENTS
REFERENCES
PFG NMR in Studying Solutions of Carboxylated Acrylic Polymers
INTRODUCTION: CARBOXYLATED ACRYLIC POLYMERS
SELF-DIFFUSION OF SOLVENT AND POLYMER IN SOLUTIONS OF RANDOM COPOLYMERS IN ISOPROPANOL
EFFECT OF POLYMER CONCENTRATION AND BMA/MAA MOLAR RATIO ON HYDROGEN BONDING IN NEUTRALIZED COPOLYMERS
SOLVENT AND POLYMER DIFFUSION STUDIES IN NEUTRALISED COPOLYMERS
Solvent Diffusion: Effect of mol% BMA in BMA-MAA Random Copolymers and Polymer Concentration at Neutralisation Level TEA:COOH = 1:1
Polymer Diffusion: Effect of BMA/MAA Molar Ratio at Neutralisation Level TEA:COOH=1:1
Polymer and Solvent Diffusion: Different Neutralisation Level (TEA:COOH = 1:1; 0.75:1 and 0.5:1)
CONCLUDING REMARKS
ACKNOWLEDGEMENTS
REFERENCES
Copolymer Films Swollen in Water: NMR Relaxation and PFG NMR techniques in Studying Polymer-Water Interactions
POLYMER FILMS AND WATER
DRIED AND WET POLYMER FILMS: 1H NMR SPECTRA AND T2 STUDIES OF WATER-POLYMER INTERACTIONS
Films in Experimental Conditions
Dried and Wet Polymer Films: NMR Spectra, FIDs and NMR relaxation Times
WATER SELF-DIFFUSION IN THE COPOLYMER FILMS
CONCLUDING REMARKS
ACKNOWLEDGEMENTS
REFERENCES
Magnetic Resonance Imaging in Characterisation of Polymer films
INTRODUCTION
POLYMER FILMS SWOLLEN IN WATER AS STUDIED BY FIDS, T2 AND MRI
NMR AND MRI IN STUDYING EVAPORATION OF WATER FROM THE FILMS
CONCLUDING REMARKS
ACKNOWLEDGEMENTS
REFERENCES
Self-Diffusion of Water in Cement Pastes as Studied by 1H PFG NMR and DDCOSY NMR
INTRODUCTION
METHODS AND MODELS
Methods of Spin Echo and Stimulated Echo in PFG Experiments
DDCOSY Experiments in Studying Anisotropy
COMPARISON OF PULSE SEQUENCES IN CEMENT STUDIES
SELF-DIFFUSION OF WATER IN CEMENT PASTE
Early Hydration of Cement Paste as Studied by 1-dimensional PFG NMR
DDCOSY in Studying Early Cement Hydration
Pore Size Distribution and Self-diffusion of Water in Mature Cement Paste
CONCLUDING REMARKS
ACKNOWLEDGEMENTS
REFERENCES
Characterisation of Hydrated Cement Pastes by 1H DQF NMR Spectroscopy
1D AND 2D 1H NMR RELAXATION
METHODS AND THEORY: MODEL STUDIES
DOUBLE-QUANTUM-FILTERED (DQF) SIGNALS: DEPENDENCE ON SAMPLE CURING AND ON CREATION TIME. PAKE DOUBLET
DQF LINE SHAPE
DQF AND DRYING THE SAMPLES: EXCHANGEABLE WATER
CONCLUDING REMARKS
ACKNOWLEDGEMENTS
REFERENCES
SUBJECT INDEX
