Microstructure with Magnetic Resonance

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Publisher : Academic Press
ISBN 13 : 0128226587
Total Pages : 250 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Microstructure with Magnetic Resonance by : Valerij G. Kiselev

Download or read book Microstructure with Magnetic Resonance written by Valerij G. Kiselev and published by Academic Press. This book was released on 2021-11-01 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microstructure with Magnetic Resonance: Problems and Solutions responds to the challenge of how to see the invisible with magnetic resonance imaging. Technically, the goal is to quantify cellular-level properties of biological tissues and microarchitecture of porous media orders of magnitude below the achievable resolution of MR. While the interest in this area has grown exponentially, current research involves physics outside the scope of standard NMR and MRI textbooks. Microstructure with Magnetic Resonance: Problems and Solutions introduces readers to methods of describing complex media in statistical terms, and covers the effects of complex microenvironments on the MR signal phase, on the transverse relaxation, and on different facets of the diffusion-weighted signal. The book presents the material as a set of problems with detailed solutions, that build on each other, stimulating a hands-on approach to learning. Each chapter begins with a short introduction to the topic, followed by problems, solutions, and a summary of key points. The problems start from the basics, and bring the reader step-by-step to the frontier of current knowledge. The overall focus is on gaining physical insight, by drawing on simple physical analogies and dimensional analysis, which help to reproduce the essence of the results obtained in classical and recent studies. The necessary mathematics is collected in dedicated appendices. With this book the reader will: • Understand the classic and current literature on microstructure mapping with NMR and MRI; • Become familiar with the modern trends in microstructure MR; • Be able to design new experiments using MR based on a solid theoretical foundation. • Explains physics necessary to understand how the microscopic structure of biological tissues and porous media manifests itself in different magnetic resonance contrasts (phase, relaxation, diffusion). • Uses a unique problem/solution structure to provide for efficient learning from the basics to the frontiers of knowledge. • Tested through numerous teaching courses for trainees.

Assessing Cellular Microstructure in Biological Tissues using In Vivo Diffusion-Weighted Magnetic Resonance

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Publisher : Frontiers Media SA
ISBN 13 : 2889458415
Total Pages : 193 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Assessing Cellular Microstructure in Biological Tissues using In Vivo Diffusion-Weighted Magnetic Resonance by : Julien Valette

Download or read book Assessing Cellular Microstructure in Biological Tissues using In Vivo Diffusion-Weighted Magnetic Resonance written by Julien Valette and published by Frontiers Media SA. This book was released on 2019-05-16 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic resonance imaging (MRI) and spectroscopy (MRS) techniques have opened new doors for examining biological tissues in vivo. By combining sensitization to diffusion using magnetic field gradients with a variety of imaging and localization schemes, diffusion-weighted MRI and diffusion-weighted MRS allow investigating translational diffusion of endogenous molecules, such as water or metabolites, in biological tissues, most commonly the brain but also other organs such as the prostate. The typical voxel resolution of MRI or MRS is in the millimeter to centimeter range, much lower than the cellular scale. However, as molecules are typically diffusing over just a few µm during the duration of the measurement (the “diffusion time”) and encounter numerous biological membranes at these scales, the average cellular microstructure has a critical influence on the measured diffusion signal. Hence, diffusion-weighted MRI and diffusion-weighted MRS are sensitive to tissue microstructure at a scale well below the nominal imaging resolution. However, the connection between diffusion properties and tissue microstructure remains indirect, so any attempt to quantify microstructure will rely on modeling. The goal of this Research Topic was to gather experts in various acquisition and modeling strategies and show how these approaches, despite their own strengths and weaknesses, can yield unique information about cellular microstructure, and sometimes complement each other.

Disentangling Tissue Microstructure with Magnetic Resonance Imaging

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis Disentangling Tissue Microstructure with Magnetic Resonance Imaging by : Miguel Molina Romero

Download or read book Disentangling Tissue Microstructure with Magnetic Resonance Imaging written by Miguel Molina Romero and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Diffusion Magnetic Resonance Imaging of Brain Tissue Microstructure

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (91 download)

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Book Synopsis Diffusion Magnetic Resonance Imaging of Brain Tissue Microstructure by : Sune Nørhøj Jespersen

Download or read book Diffusion Magnetic Resonance Imaging of Brain Tissue Microstructure written by Sune Nørhøj Jespersen and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantitative Magnetic Resonance Imaging

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Publisher : Academic Press
ISBN 13 : 0128170581
Total Pages : 1094 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Quantitative Magnetic Resonance Imaging by : Nicole Seiberlich

Download or read book Quantitative Magnetic Resonance Imaging written by Nicole Seiberlich and published by Academic Press. This book was released on 2020-11-18 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantitative Magnetic Resonance Imaging is a ‘go-to’ reference for methods and applications of quantitative magnetic resonance imaging, with specific sections on Relaxometry, Perfusion, and Diffusion. Each section will start with an explanation of the basic techniques for mapping the tissue property in question, including a description of the challenges that arise when using these basic approaches. For properties which can be measured in multiple ways, each of these basic methods will be described in separate chapters. Following the basics, a chapter in each section presents more advanced and recently proposed techniques for quantitative tissue property mapping, with a concluding chapter on clinical applications. The reader will learn: The basic physics behind tissue property mapping How to implement basic pulse sequences for the quantitative measurement of tissue properties The strengths and limitations to the basic and more rapid methods for mapping the magnetic relaxation properties T1, T2, and T2* The pros and cons for different approaches to mapping perfusion The methods of Diffusion-weighted imaging and how this approach can be used to generate diffusion tensor maps and more complex representations of diffusion How flow, magneto-electric tissue property, fat fraction, exchange, elastography, and temperature mapping are performed How fast imaging approaches including parallel imaging, compressed sensing, and Magnetic Resonance Fingerprinting can be used to accelerate or improve tissue property mapping schemes How tissue property mapping is used clinically in different organs Structured to cater for MRI researchers and graduate students with a wide variety of backgrounds Explains basic methods for quantitatively measuring tissue properties with MRI - including T1, T2, perfusion, diffusion, fat and iron fraction, elastography, flow, susceptibility - enabling the implementation of pulse sequences to perform measurements Shows the limitations of the techniques and explains the challenges to the clinical adoption of these traditional methods, presenting the latest research in rapid quantitative imaging which has the possibility to tackle these challenges Each section contains a chapter explaining the basics of novel ideas for quantitative mapping, such as compressed sensing and Magnetic Resonance Fingerprinting-based approaches

Make Life Visible

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Publisher : Springer Nature
ISBN 13 : 9811379084
Total Pages : 292 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Make Life Visible by : Yoshiaki Toyama

Download or read book Make Life Visible written by Yoshiaki Toyama and published by Springer Nature. This book was released on 2019-10-02 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book describes marked advances in imaging technology that have enabled the visualization of phenomena in ways formerly believed to be completelyimpossible. These technologies have made major contributions to the elucidation of the pathology of diseases as well as to their diagnosis and therapy. The volume presents various studies from molecular imaging to clinical imaging. It also focuses on innovative, creative, advanced research that gives full play to imaging technology inthe broad sense, while exploring cross-disciplinary areas in which individual research fields interact and pursuing the development of new techniques where they fuse together. The book is separated into three parts, the first of which addresses the topic of visualizing and controlling molecules for life. Th e second part is devoted to imaging of disease mechanisms, while the final part comprises studies on the application of imaging technologies to diagnosis and therapy. Th e book contains the proceedings of the 12th Uehara International Symposium 2017, “Make Life Visible” sponsored by the Uehara Memorial Foundation and held from June 12 to 14, 2017. It is written by leading scientists in the field and is an open access publication under a CC BY 4.0 license.

Investigating Microstructure in the Brain Using Diffusion Weighted Magnetic Resonance Imaging

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Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Investigating Microstructure in the Brain Using Diffusion Weighted Magnetic Resonance Imaging by : Seyed Hamed Yousefi Mesri

Download or read book Investigating Microstructure in the Brain Using Diffusion Weighted Magnetic Resonance Imaging written by Seyed Hamed Yousefi Mesri and published by . This book was released on 2014 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantitative MRI of the Brain

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Publisher : John Wiley & Sons
ISBN 13 : 0470869496
Total Pages : 650 pages
Book Rating : 4.4/5 (78 download)

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Book Synopsis Quantitative MRI of the Brain by : Paul Tofts

Download or read book Quantitative MRI of the Brain written by Paul Tofts and published by John Wiley & Sons. This book was released on 2005-08-19 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: 2004 BMA Medical Book Competition Winner (Radiology category) “This is an exciting book, with a new approach to use of the MRI scanner. It bridges the gap between clinical research and general neuro-radiological practice. It is accessible to the clinical radiologist, and yet thorough in its treatment of the underlying physics and of the science of measurement. It is likely to become a classic.” British Medical Association This indispensable 'how to' manual of quantitative MR is essential for anyone who wants to use the gamut of modern quantitative methods to measure the effects of neurological disease, its progression, and its response to treatment. It contains both the methodology and clinical applications, reflecting the increasing interest in quantitative MR in studying disease and its progression. The editor is an MR scientist with an international reputation for high quality research The contributions are written jointly by MR physicists and MR clinicians, producing a practical book for both the research and medical communities A practical book for both the research and medical communities “Paul Tofts has succeeded brilliantly in capturing the essence of what needs to become the future of radiology in particular, and medicine in general – quantitative measurements of disease.” Robert I. Grossman, M.D. New York, University School of Medicine (from the Foreword)

Multimodality Characterization of Tissue Microstructure with Magnetic Resonance and Optical Spectroscopy

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis Multimodality Characterization of Tissue Microstructure with Magnetic Resonance and Optical Spectroscopy by : Alessandro Proverbio

Download or read book Multimodality Characterization of Tissue Microstructure with Magnetic Resonance and Optical Spectroscopy written by Alessandro Proverbio and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Microstructural Parcellation of the Human Cerebral Cortex

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Publisher : Springer Science & Business Media
ISBN 13 : 3642378242
Total Pages : 260 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Microstructural Parcellation of the Human Cerebral Cortex by : Stefan Geyer

Download or read book Microstructural Parcellation of the Human Cerebral Cortex written by Stefan Geyer and published by Springer Science & Business Media. This book was released on 2013-07-04 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unraveling the functional properties of structural elements in the brain is one of the fundamental goals of neuroscientific research. In the cerebral cortex this is no mean feat, since cortical areas are defined microstructurally in post-mortem brains but functionally in living brains with electrophysiological or neuroimaging techniques – and cortical areas vary in their topographical properties across individual brains. Being able to map both microstructure and function in the same brains noninvasively in vivo would represent a huge leap forward. In recent years, high-field magnetic resonance imaging (MRI) technologies with spatial resolution below 0.5 mm have set the stage for this by detecting structural differences within the human cerebral cortex, beyond the Stria of Gennari. This provides the basis for an in vivo microanatomical brain map, with the enormous potential to make direct correlations between microstructure and function in living human brains. This book starts with Brodmann’s post-mortem map published in the early 20th century, moves on to the almost forgotten microstructural maps of von Economo and Koskinas and the Vogt-Vogt school, sheds some light on more recent approaches that aim at mapping cortical areas noninvasively in living human brains, and culminates with the concept of “in vivo Brodmann mapping” using high-field MRI, which was introduced in the early 21st century.

Examining Tissue Microstructure with Temporal Diffusion Magnetic Resonance Spectroscopy

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Publisher :
ISBN 13 :
Total Pages : 149 pages
Book Rating : 4.:/5 (76 download)

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Book Synopsis Examining Tissue Microstructure with Temporal Diffusion Magnetic Resonance Spectroscopy by : Daniel Christopher Colvin

Download or read book Examining Tissue Microstructure with Temporal Diffusion Magnetic Resonance Spectroscopy written by Daniel Christopher Colvin and published by . This book was released on 2009 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quanitative Susceptibility Imaging of Tissue Microstructure Using Ultra-high Field MRI

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Publisher :
ISBN 13 :
Total Pages : 286 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Quanitative Susceptibility Imaging of Tissue Microstructure Using Ultra-high Field MRI by : David Alexander Rudko

Download or read book Quanitative Susceptibility Imaging of Tissue Microstructure Using Ultra-high Field MRI written by David Alexander Rudko and published by . This book was released on 2014 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis has used ultra-high field (UHF) magnetic resonance imaging (MRI) to investigate the fundamental relationships between tissue microstructure and such susceptibility-based contrast parameters as the apparent transverse relaxation rate (R2 *), the local Larmor frequency shift (LFS) and quantitative volume magnetic susceptibility (QS). The interaction of magnetic fields with biological tissues results in shifts in the LFS which can be used to distinguish underlying cellular architecture. The LFS is also linketo the relaxation properties of tissues in a gradient echo MRI sequence. Equally relevant, histological analysis has identified iron and myelin as two major sources of the LFS. As a result, computation of LFS and the associated volume magnetic susceptibility from MRI phase data may serve as a significant method for in vivo monitoring of changes in iron and myelin associated with normal, healthy aging, as well as neurological diseased processes. In this research, the cellular level underpinnings of the R2 * and LFS signals were examined in a model rat brain system using 9.4 T MRI. The study was carried out using biophysical modeling and correlation with quantitative histology. For the first time, multiple biophysical modeling schemes were compared in both gray and white matter of excised rat brain tissue. Suprisingly, R2 * dependence on tissue orientation has not been fully understood. Accordingly, scaling relations were derived for calculating the reversible, mesoscopic magnetic field component, R2 2 of the apparent transverse relaxation rate from the orientation dependence in gray and white matter. Our results demonstrate that the orientation dependence of R2 * and LFS in both white and cortical gray matter has a sinusoidal dependence on tissue orientation and a linear dependence on the volume fraction of myelin in the tissue. susceptibility processing pipeline was also developed and applied to the calculation of phase-combined LFS and QS maps. The processing pipeline was subsequently used to monitor myelin and iron changes in multiple sclerosis (MS) patients compared to healthy, age and gender-matched controls. With the use of QS and R2 * mapping, evidence of statistically significant increases in iron deposition in sub-cortical gray matter, as well as myelin degeneration along the white matter skeleton, were identified in MS patients. The magnetic susceptibility-based MRI methods were then employed as potential clinical biomarkers for disease severity monitoring of MS. It was demonstrated that the combined use of R2 * and QS, obtained from multi-echo gradient echo MRI, could serve as an improved metric for monitoring both gray and white matter changes in early MS.

Anisotropy Across Fields and Scales

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Publisher : Springer Nature
ISBN 13 : 3030562158
Total Pages : 284 pages
Book Rating : 4.0/5 (35 download)

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Book Synopsis Anisotropy Across Fields and Scales by : Evren Özarslan

Download or read book Anisotropy Across Fields and Scales written by Evren Özarslan and published by Springer Nature. This book was released on 2021 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book focuses on processing, modeling, and visualization of anisotropy information, which are often addressed by employing sophisticated mathematical constructs such as tensors and other higher-order descriptors. It also discusses adaptations of such constructs to problems encountered in seemingly dissimilar areas of medical imaging, physical sciences, and engineering. Featuring original research contributions as well as insightful reviews for scientists interested in handling anisotropy information, it covers topics such as pertinent geometric and algebraic properties of tensors and tensor fields, challenges faced in processing and visualizing different types of data, statistical techniques for data processing, and specific applications like mapping white-matter fiber tracts in the brain. The book helps readers grasp the current challenges in the field and provides information on the techniques devised to address them. Further, it facilitates the transfer of knowledge between different disciplines in order to advance the research frontiers in these areas. This multidisciplinary book presents, in part, the outcomes of the seventh in a series of Dagstuhl seminars devoted to visualization and processing of tensor fields and higher-order descriptors, which was held in Dagstuhl, Germany, on October 28-November 2, 2018.

In Vivo Diffusion Magnetic Resonance Imaging to Evaluate Microstructure of the Human Brain

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (891 download)

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Book Synopsis In Vivo Diffusion Magnetic Resonance Imaging to Evaluate Microstructure of the Human Brain by : 李鴻禧

Download or read book In Vivo Diffusion Magnetic Resonance Imaging to Evaluate Microstructure of the Human Brain written by 李鴻禧 and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

In Vivo Diffusion Magnetic Resonance Imaging of the White Matter Microstructure from Dictionaries Generated by Monte Carlo Simulations

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Publisher :
ISBN 13 :
Total Pages : 143 pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis In Vivo Diffusion Magnetic Resonance Imaging of the White Matter Microstructure from Dictionaries Generated by Monte Carlo Simulations by : Gaëtan Olivier D. Rensonnet

Download or read book In Vivo Diffusion Magnetic Resonance Imaging of the White Matter Microstructure from Dictionaries Generated by Monte Carlo Simulations written by Gaëtan Olivier D. Rensonnet and published by . This book was released on 2019 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mots-clés de l'auteur: diffusion-weighted magnetic resonance imaging ; white matter ; brain ; microstructure ; Monte Carlo simulations ; fingerprinting ; dictionaries.

Multimodality Characterization of Tissue Microstructure with Magnetic Resonance and Optical Spectroscopy

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Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Multimodality Characterization of Tissue Microstructure with Magnetic Resonance and Optical Spectroscopy by : A. Proverbio

Download or read book Multimodality Characterization of Tissue Microstructure with Magnetic Resonance and Optical Spectroscopy written by A. Proverbio and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Magnetic Resonance in Food Science

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Publisher : Royal Society of Chemistry
ISBN 13 : 0854041176
Total Pages : 271 pages
Book Rating : 4.8/5 (54 download)

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Book Synopsis Magnetic Resonance in Food Science by : María Guđjónsdóttir

Download or read book Magnetic Resonance in Food Science written by María Guđjónsdóttir and published by Royal Society of Chemistry. This book was released on 2009 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: The term magnetic resonance covers a wide range of techniques, spectroscopy, relaxation and imaging. In turn, these areas are evolving and leading to various new applications of NMR and ESR in food science and nutrition. This book is part of the continuing series of proceedings of the biennial conferences on applications of magnetic resonance to food science. As always, the aim of the book is to bring the reader up-to-date with the state-of-the-art of the subject. The speakers came from Europe, North and South America, Asia and Australasia giving a global perspective to the event. The range of the conference was broad covering sensory science, authenticity, functionality, solid state methods and new methods. Magnetic Resonance in Food Science is a global survey written by leading authorities. It provides readers with an awareness of current activity in the field and potential applications.