Open AccessBook
NMR Studies of Translational Motion
William S. Price
- 01 Jul 2009
TL;DR: A detailed discussion of magnetic field gradient methods applied to Magnetic Resonance Imaging (MRI) is included, alongside extensive referencing throughout, providing a timely, definitive book to the subject, ideal for researchers in the fields of physics, chemistry and biology.
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Abstract: Translational motion in solution, either diffusion or fluid flow, is at the heart of chemical and biochemical reactivity. Nuclear Magnetic Resonance (NMR) provides a powerful non-invasive technique for studying the phenomena using magnetic field gradient methods. Describing the physical basis of measurement techniques, with particular emphasis on diffusion, balancing theory with experimental observations and assuming little mathematical knowledge, this is a strong, yet accessible, introduction to the field. A detailed discussion of magnetic field gradient methods applied to Magnetic Resonance Imaging (MRI) is included, alongside extensive referencing throughout, providing a timely, definitive book to the subject, ideal for researchers in the fields of physics, chemistry and biology.
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Citations
q-space trajectory imaging for multidimensional diffusion MRI of the human brain.
Carl-Fredrik Westin,Carl-Fredrik Westin,Hans Knutsson,Ofer Pasternak,Filip Szczepankiewicz,Evren Özarslan,Danielle van Westen,Cecilia Mattisson,Mats Bogren,Lauren J. O'Donnell,Marek Kubicki,Daniel Topgaard,Markus Nilsson +12 more
TL;DR: A microstructure model, the diffusion tensor distribution (DTD) model, is proposed, which takes advantage of additional information provided by QTI to estimate a distributional model over diffusion tensors.
324
Microanisotropy imaging: quantification of microscopic diffusion anisotropy and orientational order parameter by diffusion MRI with magic-angle spinning of the q-vector
TL;DR: In this paper, a new parameter called microscopic fractional anisotropy (µFA) was proposed, which corresponds to the FA without the confounding influence of orientation dispersion.
Criteria for solvate ionic liquids
TL;DR: This perspective paper describes possible criteria for the new family of ionic liquids: "solvate" ionic liquid, originally proposed by Angell et al. in their recent review; however, their criteria remain to be debated.
268
Transport properties of hierarchical micro–mesoporous materials
TL;DR: This review summarizes the results obtained so far on experimental and theoretical studies of diffusion in micro-mesoporous materials and discusses four common classes of bi-porous materials, which are differing by the inter-connectivities of their sup-spaces as one of the most important parameter determining the transport rates.
Multidimensional diffusion MRI
TL;DR: The basic physics of solid-state NMR and diffusion MRI are revisited to pinpoint the origin of the somewhat unexpected analogy between the two fields, and an overview of current diffusion MRI acquisition protocols and data analysis methods are provided to quantify the composition of heterogeneous materials in terms of diffusion tensor distributions with size, shape, and orientation dimensions.
228
References
The 2D-J-DOSY Experiment: Resolving Diffusion Coefficients in Mixtures
TL;DR: The 2D-J-DOSY experiment has been designed to resolve mixture components in terms of a chemical shift and proton coupling constant as well as distinguishing them on the basis of translational diffusion.
77
Regularization Techniques for Inverse Problems in Molecular Biology
Stephen W. Provencher,Robert H. Vogel +1 more
- 01 Jan 1983
TL;DR: In molecular biology, as in most natural sciences, the number of indirect experiments involving ill-posed inverse problems is rapidly increasing as discussed by the authors, and three of the most important types of inverse problems involve either (a) severely illposed linear problems (e.g., Laplace transforms in relaxation or correlation experiments); (b) very large, and perhaps nonlinear, problems, such as estimation of three-dimensional structure from x-ray diffraction or electron microscopy); or (c) parameter estimation involving computationally complex models (i.e., multicomponent subnanose
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Nuclear magnetic resonance spin echoes for restricted diffusion in an inhomogeneous field: Methods and asymptotic regimes
Scott Axelrod,Pabitra N. Sen +1 more
TL;DR: In this paper, the authors developed systematic formulations for calculating the magnetization of spins diffusing in a bounded region in the presence of the surface relaxation and magnetic field inhomogeneity and compute explicitly the relaxation exponent for the Carr-Purcell-Meiboom-Gill spin echoes.
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Difftrain: A Novel Approach to a True Spectroscopic Single-Scan Diffusion Measurement
TL;DR: For systems with moderate to good signal-to-noise ratios the Difftrain building block yields significant saving in recording time, thus opening up new applications in nonequilibrium systems and screening of compositions and/or interactions of (larger) compound arrays.
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