Download or read book Improved Quantification of in Vivo Metabolic Kinetics Using Hyperpolarized 13C Magnetic Resonance Spectroscopic Imaging written by Tao Xu and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: With signal-to-noise ratio enhancements on the order of 10,000-fold, hyperpolarized 13C MRSI allows the study of both the injected substrate and downstream metabolic products in vivo within the target organ, with the appearance of the 13C labels on the various metabolites resulting from a combination of isotopic exchange and metabolic flux. Although hyperpolarized [1-13C] pyruvate has been extensively researched as an in vivo biomarker for disease diagnosis and response to therapy, efficient and robust quantification still remains important areas of investigation. Recently, a new quantification paradigm called the saturable kinetics of 13C labeling process was proposed. This method utilized a Mechaelis-Menton-like mathematical formulation with the estimated apparent Vmax to directly quantify the dose dependence (i.e., the saturation effects) of lactate and alanine reaction velocities following one hyperpolarized 13C pyruvate injection. However, to obtain the apparent Vmax, the current quantification method repeats the multi-site exchange model fitting with different pyruvate doses and each data point corresponds to one independent pyruvate injection. Therefore, the process needs multiple injections and multiple subjects to obtain one single saturation curve. Such an intense injection pattern is almost impossible for clinical trials. Also, the estimated apparent Vmax inevitably involves the inter-subject variability due to the multi-subject requirement. Therefore, it is necessary to have an efficient quantification method for the saturable kinetics and apparent Vmax measurement. First, we developed an inflow-based single-slice quantification method which can measure saturable kinetics in one slice efficiently. The experiment time can be reduced from multiple injections with multiple animals to one injection. We demonstrated our quantification method on healthy models (rat kidney and liver) and disease models (mouse prostate tumor). Second, we applied our proposed inflow-based single-slice quantification method and demonstrated the relative change of apparent Vmax of the lactate 13C labels was well correlated with the gold-standard ALDH2 enzymatic activity in rat liver. It may serve as a potential noninvasive in vivo indicator for ALDH2 activity and provide an alternative way to research the related diseases including alcoholism and ischemia. Finally, we extended our proposed inflow-based quantification method to the 3D case so that the saturable kinetics in multiple slices can be measured efficiently following one single pyruvate injection. This extension further improved the quantification efficiency and is useful in the case of the heterogeneous in vivo saturable kinetics. We demonstrated our 3D quantification method in healthy rat models.
Download or read book Imaging of Traumatic Brain Injury written by Yoshimi Anzai and published by Thieme. This book was released on 2015-03-11 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: An image-rich text on neuroimaging of trauma patients Imaging of Traumatic Brain Injury is a radiological reference that covers all aspects of neurotrauma imaging and provides a clinical overview of traumatic brain injury (TBI). It describes the imaging features of acute head trauma, the pathophysiology of TBI, and the application of advanced imaging technology to brain-injured patients. Key Features: Covers acute as well as chronic traumatic brain injury Written in an easily accessible format, with pearls and summary boxes at the end of each chapter Includes state-of-the-art imaging techniques, including the multiplanar format, the utility of multiplanar reformats, perfusion imaging, susceptibility weighted imaging, and advanced MRI techniques Contains over 250 high-quality images This book will serve as a practical reference for practicing radiologists as well as radiology residents and fellows, neurosurgeons, trauma surgeons, and emergency physicians.
Download or read book In Vivo NMR Spectroscopy written by Robin A. de Graaf and published by John Wiley & Sons. This book was released on 2019-03-11 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents basic concepts, experimental methodology and data acquisition, and processing standards of in vivo NMR spectroscopy This book covers, in detail, the technical and biophysical aspects of in vivo NMR techniques and includes novel developments in the field such as hyperpolarized NMR, dynamic 13C NMR, automated shimming, and parallel acquisitions. Most of the techniques are described from an educational point of view, yet it still retains the practical aspects appreciated by experimental NMR spectroscopists. In addition, each chapter concludes with a number of exercises designed to review, and often extend, the presented NMR principles and techniques. The third edition of In Vivo NMR Spectroscopy: Principles and Techniques has been updated to include experimental detail on the developing area of hyperpolarization; a description of the semi-LASER sequence, which is now a method of choice; updated chemical shift data, including the addition of 31P data; a troubleshooting section on common problems related to shimming, water suppression, and quantification; recent developments in data acquisition and processing standards; and MatLab scripts on the accompanying website for helping readers calculate radiofrequency pulses. Provide an educational explanation and overview of in vivo NMR, while maintaining the practical aspects appreciated by experimental NMR spectroscopists Features more experimental methodology than the previous edition End-of-chapter exercises that help drive home the principles and techniques and offer a more in-depth exploration of quantitative MR equations Designed to be used in conjunction with a teaching course on the subject In Vivo NMR Spectroscopy: Principles and Techniques, 3rd Edition is aimed at all those involved in fundamental and/or diagnostic in vivo NMR, ranging from people working in dedicated in vivo NMR institutes, to radiologists in hospitals, researchers in high-resolution NMR and MRI, and in areas such as neurology, physiology, chemistry, and medical biology.
Download or read book The Chemistry of Hyperpolarized Magnetic Resonance Probes written by Eul Hyun Suh and published by Academic Press. This book was released on 2024-06-01 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemistry of Hyperpolarized Magnetic Resonance Probes, Volume Seven focuses on the chemical aspects of hyperpolarized NMR/MRI technology, with synthesis and characterizations of labeled compounds discussed from a practical point-of-view. A brief overview of the various hyperpolarization techniques are given, with the optimization of hyperpolarization conditions and the determination of critical parameters such as polarization level and T1 relaxation values described. A practical guide on the in vivo applications of hyperpolarized compounds in small animals is also included. Helps readers understand the structural features that determine the properties of HP-probes, such as chemical shift and relaxation times Aids readers in selecting stable isotope labeled probes for hyperpolarized NMR/MRI applications Teachers readers how to use the most appropriate synthetic methodology for the labeled probes Covers how to find the most suitable polarization technique (DNP, PHIP etc.) for the probe
Download or read book Methodologies for Metabolomics written by Norbert W. Lutz and published by Cambridge University Press. This book was released on 2013-01-21 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metabolomics, the global characterisation of the small molecule complement involved in metabolism, has evolved into a powerful suite of approaches for understanding the global physiological and pathological processes occurring in biological organisms. The diversity of metabolites, the wide range of metabolic pathways and their divergent biological contexts require a range of methodological strategies and techniques. Methodologies for Metabolomics provides a comprehensive description of the newest methodological approaches in metabolomic research. The most important technologies used to identify and quantify metabolites, including nuclear magnetic resonance and mass spectrometry, are highlighted. The integration of these techniques with classical biological methods is also addressed. Furthermore, the book presents statistical and chemometric methods for evaluation of the resultant data. The broad spectrum of topics includes a vast variety of organisms, samples and diseases, ranging from in vivo metabolomics in humans and animals to in vitro analysis of tissue samples, cultured cells and biofluids.
Download or read book Protocols and Methodologies in Basic Science and Clinical Cardiac MRI written by Christakis Constantinides and published by Springer. This book was released on 2017-10-24 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the practical issues of the implementation of state-of-the-art acquisition methodologies and protocols for both basic science and clinical practice. It is a practical guidebook for both beginners and advanced users for easy and practical implementation of acquisition protocols. It is relevant for a wide audience that ranges from students, residents, fellows, basic scientists, physicists, engineers, and medical practitioners. The novelty of this book relates to its intended practical use and focus on state-of-the-art cardiac MRI techniques that span both the clinical and basic science fields. In comparison and contrast to other pre-existing books, this book will distinguish from others for its practical usefulness and conciseness. Correspondingly, the book will be used as a handbook (quick reference) for new starters or people who would like to establish state-of-the-art cardiac MRI techniques in their institutions. Given the historical evolution of technique development in MRI, the clinical and basic science topics will be described separately. However, in instances where basic science development complemented (or is envisaged to complement) clinical development (e.g., Diffusion MRI and tractography), every effort will be made to allow a comprehensive review and associations of the clinical/basic science subfields.
Download or read book NMR based Metabolomics written by Hector C Keun and published by Royal Society of Chemistry. This book was released on 2018-01-17 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the state of the art in the application of NMR spectroscopy to metabolomics and will be a key title for researchers and practitioners.
Download or read book Dynamic Hyperpolarized Nuclear Magnetic Resonance written by Thomas Jue and published by Springer Nature. This book was released on 2021-05-21 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book in the series to focus on dynamic hyperpolarized nuclear magnetic resonance, a burgeoning topic in biophysics. The volume follows the format and style of the Handbook of Modern Biophysics series and expands on topics already discussed in previous volumes. It builds a theoretical and experimental framework for students and researchers who wish to investigate the biophysics and biomedical application of dynamic hyperpolarized NMR. All contributors are internationally recognized experts, lead the dynamic hyperpolarized NMR field, and have first-hand knowledge of the chapter material. The book covers the following topics: Hyperpolarization by dissolution Dynamic Nuclear Polarization Design considerations for implementing a hyperpolarizer Chemical Shift Imaging with Dynamic Hyperpolarized NMR Signal Sampling Strategies in Dynamic Hyperpolarized NMR Kinetic Modeling of Enzymatic Reactions in Analyzing Hyperpolarized NMR Data Using Hyperpolarized NMR to Understand Biochemistry from Cells to Humans Innovating Metabolic Biomarkers for Hyperpolarized NMR New Insights into Metabolic Regulation from Hyperpolarized 13C MRS/MRI Studies Novel Views on Heart Function from Dynamic Hyperpolarized NMR Insights on Lactate Metabolism in Skeletal Muscle based on 13C Dynamic Nuclear Polarization Studies About the Editors Dirk Mayer is Professor of Diagnostic Radiology and Nuclear Medicine at the University of Maryland and is the Director of Metabolic Imaging. He is a recognized expert on dynamic nuclear polarization (DNP) MRI-based imaging techniques and has optimized acquisition and reconstruction techniques, has constructed kinetic modeling for quantitative analysis, and has developing new probes. Thomas Jue is Professor of Biochemistry and Molecular Medicine at the University of California Davis. He is an internationally recognized expert in developing and applying magnetic resonance techniques to study animal as well as human physiology in vivo. He served as a Chair of the Biophysics Graduate Group Program at UC Davis, where he started to redesign a graduate curriculum that balances physical science/mathematics formalism and biomedical perspective in order to promote interest at the interface of physical science, engineering, mathematics, biology, and medicine. The Handbook of Modern Biophysics represents an aspect of that effort.
Download or read book Magnetic Resonance Imaging and Spectroscopy written by Fred A. Mettler and published by . This book was released on 1986 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nmr Probeheads For Biophysical And Biomedical Experiments Theoretical Principles And Practical Guidelines 2nd Edition written by Joel Mispelter and published by World Scientific Publishing Company. This book was released on 2015-05-27 with total page 754 pages. Available in PDF, EPUB and Kindle. Book excerpt: NMR Probeheads for Biophysical and Biomedical Experiments 2nd Edition is essential reading for anyone in the field of NMR or MRI, from students to medical or biological scientists performing experiments under certain physical and/or geometrical conditions, unattainable by conventional or available probes. The material guides the reader through the most basic and comprehensive stages in accomplishing a correct probe design, from a very basic oscillating circuit to much more elaborate designs.This new edition has been revised and updated to include a chapter dedicated to RF components, which are commonly used for probes realization and their frequency-dependent characteristics. Another completely revised chapter concerns the multiple coil systems and discusses arrays coils, different decoupling methods, and some principles for interfacing coils with low-noise preamplifiers. The principles of linear circuit analysis are presented in a dedicated chapter. Last but not least, accompanying files containing updated software for probe design have been made available from the publisher's website.
Download or read book Chemical Exchange Saturation Transfer Imaging written by Michael T. McMahon and published by CRC Press. This book was released on 2017-01-12 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first textbook dedicated to CEST imaging and covers the fundamental principles of saturation transfer, key features of CEST agents that enable the production of imaging contrast, and practical aspects of preparing image-acquisition and post-processing schemes suited for in vivo applications. CEST is a powerful MRI contrast mechanism with unique features, and the rapid expansion it has seen over the past 15 years since its original discovery in 2000 has created a need for a graduate-level handbook describing all aspects of pre-clinical, translational, and clinical CEST imaging. The book provides an illustrated historical perspective by leaders at the five key sites who developed CEST imaging, from the initial saturation transfer NMR experiments performed in the 1960s in Stockholm, Sweden, described by Sture Forsén, to the work on integrating the basic principles of CEST into imaging by Robert Balaban, Dean Sherry, Silvio Aime, and Peter van Zijl in the United States and Italy. The editors, Drs. Michael T. McMahon, Assaf A. Gilad, Jeff W. M. Bulte, and Peter C. M. van Zijl, have been pioneers developing this field at the Johns Hopkins University School of Medicine and the Kennedy Krieger Institute including contributions to Nature Medicine, Nature Biotechnology, Nature Materials, and the Proceedings of the National Academy of Sciences. As recognition for their initial development of the field, Drs. van Zijl and Balaban were awarded the Laukien Prize in April 2016, established in 1999 to honor the memory of Professor Gunther Laukien, a co-founder of Bruker Biospin GmbH.
Download or read book Metabolism in Cancer written by Thorsten Cramer and published by Springer. This book was released on 2016-08-24 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook presents concise chapters written by internationally respected experts on various important aspects of cancer-associated metabolism, offering a comprehensive overview of the central features of this exciting research field. The discovery that tumor cells display characteristic alterations of metabolic pathways has significantly changed our understanding of cancer: while the first description of tumor-specific changes in cellular energetics was published more than 90 years ago, the causal significance of this observation for the pathogenesis of cancer was only discovered in the post-genome era. The first 10 years of the twenty-first century were characterized by rapid advances in our grasp of the functional role of cancer-specific metabolism as well as the underlying molecular pathways. Various unanticipated interrelations between metabolic alterations and cancer-driving pathways were identified and currently await translation into diagnostic and therapeutic applications. Yet the speed, quantity, and complexity of these new discoveries make it difficult for researchers to keep up to date with the latest developments, an issue this book helps to remedy.
Download or read book In cell NMR Spectroscopy written by Yutaka Ito and published by Royal Society of Chemistry. This book was released on 2019-12-09 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: In-cell NMR spectroscopy is a relatively new field. Despite its short history, recent in-cell NMR-related publications in major journals indicate that this method is receiving significant general attention. This book provides the first informative work specifically focused on in-cell NMR. It details the historical background of in-cell NMR, host cells for in-cell NMR studies, methods for in-cell biological techniques and NMR spectroscopy, applications, and future perspectives. Researchers in biochemistry, biophysics, molecular biology, cell biology, structural biology as well as NMR analysts interested in biological applications will all find this book valuable reading.
Download or read book Musculoskeletal Cancer Surgery written by Martin M. Malawer and published by Springer Science & Business Media. This book was released on 2006-02-24 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Steven A. Rosenberg, MD In the past two decades significant progress has quality of life. The use of local radiation therapy has occurred, in the management of patients with mus- had a profound impact on the ability to achieve local loskeletal cancers, that has improved both the survival control. Cooperation between surgeons and radiation and the quality of life of afflicted patients. Changes in therapists often results in the tailoring of surgical p- the management of these patients have mirrored cedures to maximize the combined application of these trends in the entire field of oncology. two effective treatment modalities. Although impact on The most significant change has been improvement overall survival has not been demonstrated due to the in the surgical techniques for the resection of musculo- addition of radiation therapy, important advances in skeletal cancers based on a detailed understanding of improving the quality of life of patients receiving this the anatomic features of each particular tumor site, as combined-modality treatment have been evident. well as an appreciation of the natural biology that affects A third change impacting on the survival of patients the local spread of these tumors. The current volume of with musculoskeletal cancers has been the aggressive Musculoskeletal Cancer Surgery: Treatment of Sarcomas and resection of metastatic deposits.
Download or read book NMR Based Metabolomics written by G. A. Nagana Gowda and published by Humana. This book was released on 2020-08-29 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides broad coverage of nuclear magnetic resonance (NMR) spectroscopy-based methods and applications for the analysis of metabolites in a wide range of biological samples, from biofluids, cells, animal models, human, to plants and foods. The applications range from mechanistic understanding, biomarker discovery, environmental studies, and drug discovery to nutrition, while NMR methods include global, targeted, and isotope tracer-based techniques. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls. Authoritative and practical, NMR-Based Metabolomics: Methods and Protocols serves as a wealth of information for beginners as well as advanced practitioners and also as stepping stones for further advances in the field of metabolomics.
Download or read book Applications of NMR Spectroscopy written by Atta-ur-Rahman and published by Bentham Science Publishers. This book was released on 2016-11-22 with total page 289 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of NMR Spectroscopy is a book series devoted to publishing the latest advances in the applications of nuclear magnetic resonance (NMR) spectroscopy in various fields of organic chemistry, biochemistry, health and agriculture. The fifth volume of the series features several reviews focusing on NMR spectroscopic techniques for identifying natural and synthetic compounds (polymer and peptide characterization, GABA in tinnitus affected mice), medical diagnosis and therapy (gliomas) and food analysis. The spectroscopic methods highlighted in this volume include high resolution proton magnetic resonance spectroscopy and solid state NMR.
Download or read book The Physics and Mathematics of MRI written by Richard Ansorge and published by Morgan & Claypool Publishers. This book was released on 2016-11-01 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic Resonance Imaging is a very important clinical imaging tool. It combines different fields of physics and engineering in a uniquely complex way. MRI is also surprisingly versatile, 'pulse sequences' can be designed to yield many different types of contrast. This versatility is unique to MRI. This short book gives both an in depth account of the methods used for the operation and construction of modern MRI systems and also the principles of sequence design and many examples of applications. An important additional feature of this book is the detailed discussion of the mathematical principles used in building optimal MRI systems and for sequence design. The mathematical discussion is very suitable for undergraduates attending medical physics courses. It is also more complete than usually found in alternative books for physical scientists or more clinically orientated works.
