Novel Mri Technologies For Structural And Functional Imaging Of Tissues With Ultra Short T Values

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Novel MRI Technologies for Structural and Functional Imaging of Tissues with Ultra-short T2 Values

Author : Ali Caglar Özen
Publisher : Unknown
Page : 256 pages
File Size : 40,5 Mb
Release : 2020-10-09
Category : Medical
ISBN : 1013284054

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Novel MRI Technologies for Structural and Functional Imaging of Tissues with Ultra-short T2 Values by Ali Caglar Özen Pdf

Conventional MRI has several limitations such as long scan durations, motion artifacts, very loud acoustic noise, signal loss due to short relaxation times, and RF induced heating of electrically conducting objects. The goals of this work are to evaluate and improve the state-of-the-art methods for MRI of tissue with short T?, to prove the feasibility of in vivo Concurrent Excitation and Acquisition, and to introduce simultaneous electroglottography measurement during functional lung MRI. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

Innovative micro-NMR/MRI functionality utilizing flexible electronics and control systems

Author : Nassar, Omar
Publisher : KIT Scientific Publishing
Page : 278 pages
File Size : 52,6 Mb
Release : 2023-08-15
Category : Electronic
ISBN : 9783731511762

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Innovative micro-NMR/MRI functionality utilizing flexible electronics and control systems by Nassar, Omar Pdf

The advantages offered by the flexible electronics and control systems technologies were utilized for tackling the challenges facing two crucial Magnetic Resonance (MR) applications. The first application is in the field of interventional Magnetic Resonance Imaging (MRI), and the other application is in the field of Nuclear Magnetic Resonance spectroscopy (NMR).

Advanced Elastocaloric Cooling Devices Based on Shape Memory Alloy Films

Author : Brüderlin, Florian
Publisher : KIT Scientific Publishing
Page : 292 pages
File Size : 44,7 Mb
Release : 2022-11-15
Category : Technology & Engineering
ISBN : 9783731510659

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Advanced Elastocaloric Cooling Devices Based on Shape Memory Alloy Films by Brüderlin, Florian Pdf

Elastocaloric cooling is an emerging solid-state cooling technology with the potential to provide environmentally friendly, efficient cooling. The elastocaloric effect in superelastic shape memory alloy films is used to develop advanced cooling devices for small-scale applications. Cascaded and parallelized devices are developed to increase device temperature span and cooling capacity. The concepts are proven experimentally, a maximum temperature span of 27° C is achieved in a cascaded device.

Power Generation by Resonant Self-Actuation

Author : Joseph, Joel
Publisher : KIT Scientific Publishing
Page : 288 pages
File Size : 52,5 Mb
Release : 2023-12-28
Category : Electronic
ISBN : 9783731513278

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Power Generation by Resonant Self-Actuation by Joseph, Joel Pdf

Die Forschung im Bereich der Mikro-Energiegewinnungssysteme wurde durch den Bedarf an autarken, stabilen Energiequellen für vernetzte drahtlose Sensoren vorangetrieben. Abwärme, insbesondere bei Temperaturen unter 200 °C, stellt eine vielversprechende, aber mit den derzeitigen Umwandlungstechnologien schwer zu gewinnende Energiequelle dar. - Research into micro energy harvesting systems has been driven by the need for self-sustaining, stable power sources for interconnected wireless sensors. Waste heat, particularly at temperatures below 200 °C, presents a promising but challenging energy source to recover using current conversion technology.

In Situ Characterization and Modelling of Drying Dynamics for Scalable Printing of Hybrid Perovskite Photovoltaics

Author : Ternes, Simon
Publisher : KIT Scientific Publishing
Page : 302 pages
File Size : 51,6 Mb
Release : 2023-03-27
Category : Technology & Engineering
ISBN : 9783731512554

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In Situ Characterization and Modelling of Drying Dynamics for Scalable Printing of Hybrid Perovskite Photovoltaics by Ternes, Simon Pdf

Hybrid perovskite photovoltaics could play a vital role in future’s renewable energy production. However, there are still severe challenges when scaling the technology. In this work, perovskite solution films drying in laminar and slot-jet air flows are investigated extensively by optical in situ characterization. The main results are a quantitative model of perovskite drying dynamics and a novel in situ imaging technique – yielding valuable predictions for large-scale perovskite fabrication.

NMR micro-detectors tailored for multinuclear and electrochemistry lab-on-a-chip applications

Author : Davoodi, Hossein
Publisher : KIT Scientific Publishing
Page : 238 pages
File Size : 45,5 Mb
Release : 2022-01-14
Category : Technology & Engineering
ISBN : 9783731511182

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NMR micro-detectors tailored for multinuclear and electrochemistry lab-on-a-chip applications by Davoodi, Hossein Pdf

This work offers three solutions tailored to specific applications to overcome NMR challenges in the micro-domain. As the first sub-topic of this work, different potential electrode designs, compatible with NMR technique, are suggested and experimentally evaluated. As the second focus point, this work tackles multinuclear detection challenges. In parallel, a low-cost, broadband insert is discussed to enhance the sensitivity of standard NMR coils when a small sample volume is available.

MRI of Short and Ultrashort-T_2 Tissues

Author : Jiang Du,Graeme M. Bydder
Publisher : Springer Nature
Page : 612 pages
File Size : 43,7 Mb
Release : 2023
Category : Electronic books
ISBN : 9783031351976

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MRI of Short and Ultrashort-T_2 Tissues by Jiang Du,Graeme M. Bydder Pdf

Zusammenfassung: This book comprehensively covers ultrashort echo time (UTE), zero echo time (ZTE), and other magnetic resonance imaging (MRI) acquisition techniques for imaging of short and ultrashort-T2 tissues. MRI uses a large magnet and radio waves to generate images of tissues in the body. The MRI signal is characterized by two time constants, spin-lattice relaxation time (T1) which describes how fast the longitudinal magnetization recovers to its initial value after tipping to the transverse plane, and spin-spin relaxation time (T2) which describes how fast the transverse magnetization decays. Conventional MRI techniques have been developed to image and quantify tissues with relatively long T2s. However, the body also contains many tissues and tissue components such as cortical bone, menisci, ligaments, tendons, the osteochondral junction, calcified tissues, lung parenchyma, iron containing tissues, and myelin, which have short or ultrashort-T2s. These tissues are "invisible" with conventional MRI, and their MR and tissue properties are not measurable. UTE and ZTE type sequences resolve these challenges and make these tissues visible and quantifiable. This book first introduces the basic physics of conventional MRI as well as UTE and ZTE type MRI, including radiofrequency excitation, data acquisition, and image reconstruction. A series of contrast mechanisms are then introduced and these provide high resolution, high contrast imaging of short and ultrashort-T2 tissues. A series of quantitative UTE imaging techniques are described for measurement of MR tissue properties (proton density, T1, T2, T2*, T1p,magnetization transfer, susceptibility, perfusion and diffusion). Finally, clinical applications in the musculoskeletal, neurological, pulmonary and cardiovascular systems are described. This is an ideal guide for physicists and radiologists interested in learning more about the use of UTE and ZTE type techniques for MRI of short and ultrashort-T2 tissues

Netter's Neurology E-Book

Author : Jayashri Srinivasan,Claudia Chaves,Brian Scott,Juan E. Small
Publisher : Elsevier Health Sciences
Page : 839 pages
File Size : 52,5 Mb
Release : 2019-02-25
Category : Medical
ISBN : 9780323554794

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Netter's Neurology E-Book by Jayashri Srinivasan,Claudia Chaves,Brian Scott,Juan E. Small Pdf

Perfect for residents, medical students, generalists, nurses, and other healthcare professionals who need a practical, working knowledge of neurology, Netter's Neurology, 3rd Edition, provides a concise overview highlighted by unique, memorable Netter illustrations. This award-winning visual resource showcases the well-known work of Frank H. Netter, MD, and his successor, Carlos Machado, MD, a physician who has created clear, full-color illustrations in the Netter tradition. Offers a quick and memorable summary of general neurology and its intersection with internal medicine, neurosurgery, ophthalmology, psychiatry, and orthopaedics. Concise text is presented in a templated format for fast, easy access to information. Features more than 450 Netter and Netter-style images that highlight anatomy, pathophysiology, and clinical presentation related to neuroanatomical and neurologic concepts. Helps you make correlations between anatomy, pathology, physiology, and pharmacology in a clinical setting. Clinical vignettes throughout provide real-world applications to each topic. Features new chapters on Laboratory Evaluation in Neurology; Neuroimaging in Neurologic Disorders; and Neurologic Emergencies and Critical Care. Presents the underlying anatomy in living patients through neuroimaging coverage, including MR, CT, and PET.

Mathematics and Physics of Emerging Biomedical Imaging

Author : Committee on the Mathematics and Physics of Emerging Dynamic Biomedical Imaging,Commission on Physical Sciences, Mathematics, and Applications,Division on Engineering and Physical Sciences,National Research Council
Publisher : National Academies Press
Page : 261 pages
File Size : 53,9 Mb
Release : 1996-03-13
Category : Science
ISBN : 9780309552929

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Mathematics and Physics of Emerging Biomedical Imaging by Committee on the Mathematics and Physics of Emerging Dynamic Biomedical Imaging,Commission on Physical Sciences, Mathematics, and Applications,Division on Engineering and Physical Sciences,National Research Council Pdf

This cross-disciplinary book documents the key research challenges in the mathematical sciences and physics that could enable the economical development of novel biomedical imaging devices. It is hoped that the infusion of new insights from mathematical scientists and physicists will accelerate progress in imaging. Incorporating input from dozens of biomedical researchers who described what they perceived as key open problems of imaging that are amenable to attack by mathematical scientists and physicists, this book introduces the frontiers of biomedical imaging, especially the imaging of dynamic physiological functions, to the educated nonspecialist. Ten imaging modalities are covered, from the well-established (e.g., CAT scanning, MRI) to the more speculative (e.g., electrical and magnetic source imaging). For each modality, mathematics and physics research challenges are identified and a short list of suggested reading offered. Two additional chapters offer visions of the next generation of surgical and interventional techniques and of image processing. A final chapter provides an overview of mathematical issues that cut across the various modalities.

Principles of Magnetic Resonance Imaging

Author : Zhi-Pei Liang,Paul C. Lauterbur,IEEE Engineering in Medicine and Biology Society
Publisher : Wiley-IEEE Press
Page : 442 pages
File Size : 40,9 Mb
Release : 2000
Category : Medical
ISBN : UCSD:31822031361694

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Principles of Magnetic Resonance Imaging by Zhi-Pei Liang,Paul C. Lauterbur,IEEE Engineering in Medicine and Biology Society Pdf

In 1971 Dr. Paul C. Lauterbur pioneered spatial information encoding principles that made image formation possible by using magnetic resonance signals. Now Lauterbur, "father of the MRI", and Dr. Zhi-Pei Liang have co-authored the first engineering textbook on magnetic resonance imaging. This long-awaited, definitive text will help undergraduate and graduate students of biomedical engineering, biomedical imaging scientists, radiologists, and electrical engineers gain an in-depth understanding of MRI principles. The authors use a signal processing approach to describe the fundamentals of magnetic resonance imaging. You will find a clear and rigorous discussion of these carefully selected essential topics: Mathematical fundamentals Signal generation and detection principles Signal characteristics Signal localization principles Image reconstruction techniques Image contrast mechanisms Image resolution, noise, and artifacts Fast-scan imaging Constrained reconstruction Complete with a comprehensive set of examples and homework problems, Principles of Magnetic Resonance Imaging is the must-read book to improve your knowledge of this revolutionary technique.

Introduction to Functional Magnetic Resonance Imaging

Author : Richard B. Buxton
Publisher : Cambridge University Press
Page : 479 pages
File Size : 40,8 Mb
Release : 2009-08-27
Category : Medical
ISBN : 9780521899956

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Introduction to Functional Magnetic Resonance Imaging by Richard B. Buxton Pdf

This is the second edition of a useful introductory book on a technique that has revolutionized neuroscience, specifically cognitive neuroscience. Functional magnetic resonance imaging (fMRI) has now become the standard tool for studying the brain systems involved in cognitive and emotional processing. It has also been a major factor in the consilience of the fields of neurobiology, cognitive psychology, social psychology, radiology, physics, mathematics, engineering, and even philosophy. Written and edited by a clinician-scientist in the field, this book remains an excellent user's guide to t

Magnetic Resonance Imaging

Author : Robert W. Brown,Y.-C. Norman Cheng,E. Mark Haacke,Michael R. Thompson,Ramesh Venkatesan
Publisher : John Wiley & Sons
Page : 976 pages
File Size : 52,7 Mb
Release : 2014-06-23
Category : Medical
ISBN : 9780471720850

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Magnetic Resonance Imaging by Robert W. Brown,Y.-C. Norman Cheng,E. Mark Haacke,Michael R. Thompson,Ramesh Venkatesan Pdf

New edition explores contemporary MRI principles and practices Thoroughly revised, updated and expanded, the second edition of Magnetic Resonance Imaging: Physical Principles and Sequence Design remains the preeminent text in its field. Using consistent nomenclature and mathematical notations throughout all the chapters, this new edition carefully explains the physical principles of magnetic resonance imaging design and implementation. In addition, detailed figures and MR images enable readers to better grasp core concepts, methods, and applications. Magnetic Resonance Imaging, Second Edition begins with an introduction to fundamental principles, with coverage of magnetization, relaxation, quantum mechanics, signal detection and acquisition, Fourier imaging, image reconstruction, contrast, signal, and noise. The second part of the text explores MRI methods and applications, including fast imaging, water-fat separation, steady state gradient echo imaging, echo planar imaging, diffusion-weighted imaging, and induced magnetism. Lastly, the text discusses important hardware issues and parallel imaging. Readers familiar with the first edition will find much new material, including: New chapter dedicated to parallel imaging New sections examining off-resonance excitation principles, contrast optimization in fast steady-state incoherent imaging, and efficient lower-dimension analogues for discrete Fourier transforms in echo planar imaging applications Enhanced sections pertaining to Fourier transforms, filter effects on image resolution, and Bloch equation solutions when both rf pulse and slice select gradient fields are present Valuable improvements throughout with respect to equations, formulas, and text New and updated problems to test further the readers' grasp of core concepts Three appendices at the end of the text offer review material for basic electromagnetism and statistics as well as a list of acquisition parameters for the images in the book. Acclaimed by both students and instructors, the second edition of Magnetic Resonance Imaging offers the most comprehensive and approachable introduction to the physics and the applications of magnetic resonance imaging.

Ultra High Field Magnetic Resonance Imaging

Author : Pierre-Marie Robitaille,Lawrence Berliner
Publisher : Springer Science & Business Media
Page : 487 pages
File Size : 51,6 Mb
Release : 2007-12-31
Category : Medical
ISBN : 9780387496481

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Ultra High Field Magnetic Resonance Imaging by Pierre-Marie Robitaille,Lawrence Berliner Pdf

The foundation for understanding the function and dynamics of biological systems is not only knowledge of their structure, but the new methodologies and applications used to determine that structure. This volume in Biological Magnetic Resonance emphasizes the methods that involve Ultra High Field Magnetic Resonance Imaging. It will interest researchers working in the field of imaging.

MRI of the Lung

Author : Hans-Ulrich Kauczor,Mark Oliver Wielpütz
Publisher : Springer
Page : 518 pages
File Size : 47,7 Mb
Release : 2018-11-28
Category : Medical
ISBN : 9783319426174

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MRI of the Lung by Hans-Ulrich Kauczor,Mark Oliver Wielpütz Pdf

This book provides a comprehensive overview of how to use MRI for the imaging of lung disease. Special emphasis is placed on routine applications and the clinical impact of MRI in each setting. In addition, current technological developments are reviewed and information presented on dedicated applications of MRI in preclinical and translational research, clinical trials, and specialized institutions. During the past two decades, significant advances in the technology have enabled MRI to enter and mature in the clinical arena of chest imaging. Standard protocols are now readily available on MR scanners, and MRI is recommended as the first- or second-line imaging modality for a variety of lung diseases, not limited to cystic fibrosis, pulmonary hypertension, and lung cancer. The benefits and added value of MRI originate from its ability to both visualize lung structure and provide information on different aspects of lung function, such as perfusion, respiratory motion, ventilation, and gas exchange. On this basis, novel quantitative surrogates for lung function and therapy control (imaging biomarkers) are generated. The second edition of MRI of the Lung has been fully updated to take account of recent advances. It is written by an internationally balanced team of renowned authors representing all major groups in the field.