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This book presents a selection of papers, written by Nicolaas Bloembergen and his associates during the years 1946-1962, on the subjects of nuclear magnetic relaxation, paramagnetic relaxation and masers, and magnetic resonance spectroscopy of solids. The volume begins with autobiographical notes to provide a personal historical background. Each paper is preceded by commentary with additional information regarding the early development of magnetic resonance in condensed matter. A reproduction of his Ph.D. thesis, ?Nuclear Magnetic Relaxation?, Leiden, 1948, is included in this volume.
This biography is a personal portrait of one of the best-known Dutch physicists, Nicolaas Bloembergen. Born in 1920 in Dordrecht, Bloembergen studied physics in Utrecht, leaving after World War II for the United States, where he became an American citizen in 1958. At Harvard University, he pioneered nuclear magnetic resonance (NMR, used in chemistry and biology for structure identification; moreover leading to MRI), laser theory and nonlinear optics. In 1978 he was awarded the Lorentz Medal for his contribution to the theory of nonlinear optics (used in fiber optics), and in 1981 he received the Nobel Prize for physics, along with Arthur Schawlow and Kai Siegbahn. The book is based on numerous conversations with Nicolaas Bloembergen himself, his wife Deli Brink, his family, and colleagues in science. It describes his childhood and study in Bilthoven and Utrecht, the first postwar years at Harvard, the discoveries of masers and lasers, and the award of the Nobel Prize. It also delves into Bloembergen's involvement in American politics, particularly his role in Ronald Reagan's controversial "Star Wars" program.
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.
This book describes the methods of analysis and determination of oxidants and oxidative stress in biological systems. Reviews and protocols on select methods of analysis of ROS, RNS, oxygen, redox status, and oxidative stress in biological systems are described in detail. It is an essential resource for both novices and experts in the field of oxidant and oxidative stress biology.
Established as the leading textbook on imaging diagnosis of brain and spine disorders, Magnetic Resonance Imaging of the Brain and Spine is now in its Fourth Edition. This thoroughly updated two-volume reference delivers cutting-edge information on nearly every aspect of clinical neuroradiology. Expert neuroradiologists, innovative renowned MRI physicists, and experienced leading clinical neurospecialists from all over the world show how to generate state-of-the-art images and define diagnoses from crucial clinical/pathologic MR imaging correlations for neurologic, neurosurgical, and psychiatric diseases spanning fetal CNS anomalies to disorders of the aging brain. Highlights of this edition include over 6,800 images of remarkable quality, more color images, and new information using advanced techniques, including perfusion and diffusion MRI and functional MRI. A companion Website will offer the fully searchable text and an image bank.
This book presents a selection of papers, written by Nicolaas Bloembergen and his associates during the years 1946-1962, on the subjects of nuclear magnetic relaxation, paramagnetic relaxation and masers, and magnetic resonance spectroscopy of solids. The volume begins with autobiographical notes to provide a personal historical background. Each paper is preceded by commentary with additional information regarding the early development of magnetic resonance in condensed matter. A reproduction of his Ph.D. thesis, “Nuclear Magnetic Relaxation”, Leiden, 1948, is included in this volume.
Signals in the Noise: An Exploration of Consciousness and Reality. How Current Research is Challenging Materialist Science "The Signals in the Noise," groundbreaking theories about consciousness are meticulously explored, presenting an avant-garde perspective that stands to challenge our traditional, materialist viewpoints. The author leads us on an intellectual journey, questioning established materialist scientific norms and bringing forward evidence that defies materialist theories of consciousness. The book emphasizes that consciousness persists and can even be enhanced when brain activity decreases, supported by numerous research studies involving psychedelics, near-death experiences, and other instances when brain functions are diminished. This new understanding suggests that consciousness transcends the physical confines of our biological makeup, challenging conventional notions about its origin and nature. Furthermore, the book introduces a transformative perspective on the universe, proposing that what we perceive as material is merely a function of our sensory systems. Based on the author's review of current theories of the composition of the cosmos, we now know everything that exists is composed of energy, with physicality representing deeper qualities that lie out of our reach. Drawing on proven quantum physics, the author presents the theory that the universe's interconnectedness is a product of coherent quantum fields from which everything emerges and takes on the character of separateness and materiality in the 4D or manifest level we experience. In a radical departure from mainstream materialist thought, "The Signals in the Noise" argues that consciousness is a universal phenomenon occurring in varying degrees of complexity across all organisms. The author posits that while the presence of proto-consciousness is universal, the consciousness we experience emerges in the fourth-dimensional or manifest level, an idea that, if widely accepted, can redefine our understanding of life and existence. Finally, the author criticizes the materialist worldview, stating that this ingrained belief system creates many societal, political, religious, and environmental problems. He argues that our obstinate adherence to materialist orthodoxy drives our trajectory toward planetary destruction. Catalyzed by our capitalist system of consumption, this materialist belief system hinders our ability to recognize and correct the adverse effects of our actions. "The Signals in the Noise" is a compelling critique of the materialist worldview, challenging our understanding of consciousness, existence, and our place in the universe. It underscores the urgency to redefine our perspectives to avert the catastrophic trajectory that our current beliefs are driving us toward. This book is a radical and thought-provoking read for anyone interested in consciousness, quantum physics, and the future of our planet.
Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful and theoretically complex analytical tool. Basic 1H- and 13C-NMR Spectroscopy provides an introduction to the principles and applications of NMR spectroscopy. Whilst looking at the problems students encounter when using NMR spectroscopy, the author avoids the complicated mathematics that are applied within the field. Providing a rational description of the NMR phenomenon, this book is easy to read and is suitable for the undergraduate and graduate student in chemistry. - Describes the fundamental principles of the pulse NMR experiment and 2D NMR spectra - Easy to read and written with the undergraduate and graduate chemistry student in mind - Provides a rational description of NMR spectroscopy without complicated mathematics
Our life is a highly nonlinear process. It starts with birth and ends with death; in between there are a lot of ups and downs. Quite often, we believe that stable and steady situations, probably easy to capture by linearization, are paradisiacal, but already after a short period of everyday routine we usually become bored and seek change, that is, nonlinearities. If we reflect for a while, we notice that our life and our perceptions are mainly determined by nonlinear phenomena, for example, events occurring suddenly and unexpectedly. One may be surprised by how long scientists tried to explain our world by models based on a linear ansatz. Due to the lack of typical nonlinear patterns, although everybody experienced nonlinearities, nobody could classify them and, thus,· study them further. The discoveries of the last few decades have finally provided access to the world of nonlinear phenomena and have initiated a unique inter disciplinary field of research: nonlinear science. In contrast to the general tendency of science to become more branched out and specialized as the result of any progress, nonlinear science has brought together many different disciplines. This has been motivated not only by the immense importance of nonlinearities for science, but also by the wonderful simplicity ohhe concepts. Models like the logistic map can be easily understood by high school students and have brought revolutionary new insights into our scientific under standing.
"Han Mengqi was the secretary of the Mohist Group's official Director Si, Ju Mo Junxi. The two of them were lovers, but their happiness had been broken by the appearance of the Madame Chen Group's Chen Meinii.Meng Qi was worried that Mo Junxi would leave her. When she found out by chance that the one who had treated her so cruelly was her beloved Mo Junxi, Meng Qi only felt that the sky was falling and she couldn't forgive Mo Junxi.Just what kind of secret did Han Mengqi know? What would Chen Meinii do to stop them being together?"