Ultra-low Field Magnetic Resonance Using Optically Pumped Noble Gases and SQUID Detection PDF Download
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Author: Annjoe Golangco Wong-Foy
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Author: Annjoe Golangco Wong-Foy
Publisher:
ISBN:
Category :
Languages : en
Pages : 342
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Book Description
Author: John Clarke
Publisher: John Wiley & Sons
ISBN: 3527609504
Category : Science
Languages : en
Pages : 653
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Book Description
This two-volume handbook offers a comprehensive and coordinated presentation of SQUIDs (Superconducting Quantum Interference Devices), including device fundamentals, design, technology, system construction and multiple applications. It is intended to bridge the gap between fundamentals and applications, and will be a valuable textbook reference for graduate students and for professionals engaged in SQUID research and engineering. It will also be of use to specialists in multiple fields of practical SQUID applications, from human brain research and heart diagnostics to airplane and nuclear plant testing to prospecting for oil, minerals and buried ordnance. While the first volume presents the theory and fabrication of SQUIDs, the second volume is devoted to applications. It starts with an important aspect of the analysis of measured magnetic signals generated by current sources (the inverse problem), and includes several chapters devoted to various areas of application, namely biomagnetism (research on and diagnostics of human brain, heart, liver, etc.), detection of extremely weak signals, for example electromagnetic radiation and Nuclear Magnetic Resonance. The volume closes with a chapter on motion detectors and the detection of gravity waves.
Author: Graham A. Webb
Publisher: Academic Press
ISBN: 0124051839
Category : Science
Languages : en
Pages : 281
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Book Description
Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicists to study the structure and dynamics of molecules. In recent years, no other technique has gained such significance as NMR spectroscopy. It is used in all branches of science in which precise structural determination is required and in which the nature of interactions and reactions in solution is being studied. Annual Reports on NMR Spectroscopy has established itself as a premier means for the specialist and non-specialist alike to become familiar with new techniques and applications of NMR spectroscopy. Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicists to study the structure and dynamics of molecules In recent years, no other technique has gained such significance as NMR spectroscopy. It is used in all branches of science in which precise structural determination is required and in which the nature of interactions and reactions in solution is being studied Annual Reports on NMR Spectroscopy has established itself as a premier means for the specialist and non-specialist alike to become familiar with new techniques and applications of NMR spectroscopy
Author: Adam James Moulé
Publisher:
ISBN:
Category :
Languages : en
Pages : 328
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Author: J. Clarke
Publisher: Wiley-VCH
ISBN:
Category : Science
Languages : en
Pages : 664
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Book Description
This two-volume handbook offers a comprehensive and coordinated presentation of SQUIDs (Superconducting Quantum Interference Devices), including device fundamentals, design, technology, system construction and multiple applications. It is intended to bridge the gap between fundamentals and applications, and will be a valuable textbook reference for graduate students and for professionals engaged in SQUID research and engineering. It will also be of use to specialists in multiple fields of practical SQUID applications, from human brain research and heart diagnostics to airplane and nuclear plant testing to prospecting for oil, minerals and buried ordnance. While the first volume presents the theory and fabrication of SQUIDs, the second volume is devoted to applications. It starts with an important aspect of the analysis of measured magnetic signals generated by current sources (the inverse problem), and includes several chapters devoted to various areas of application, namely biomagnetism (research on and diagnostics of human brain, heart, liver, etc.), detection of extremely weak signals, for example electromagnetic radiation and Nuclear Magnetic Resonance. The volume closes with a chapter on motion detectors and the detection of gravity waves.
Author: Società italiana di fisica
Publisher: IOS Press
ISBN: 161499224X
Category : Medical
Languages : en
Pages : 602
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Book Description
In the last decade, NMR has set the basis for the understanding of the function and disfunction of the human brain. Particularly, Magnetic Resonance Imaging (MRI) has a leading position among the methodologies used for investigation and diagnostic of the Central Nervous System. In the 1990's the objective of finding new investigating means drove scientists towards different approaches, including: 1) Blood Oxygen Level Dependent (BOLD) MRI; 2) Double Magnetic Resonance (DMR); 3) Hyperpolarized Gases. These 3 methods are aimed at detecting brain metabolites with increasing sensitivity and resolution. This Enrico Fermi Course is of interest to researchers who work at the development of these interdisciplinary areas, i.e. physicists, chemists, engineers, but also the biomedical aspects of brain function in connection to the NMR potentialities.
Author: G A Webb
Publisher: Royal Society of Chemistry
ISBN: 1847553885
Category : Science
Languages : en
Pages : 588
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Book Description
As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications. Today the applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine. Each volume of Nuclear Magnetic Resonance comprises a combination of annual and biennial reports which together provide comprehensive of the literature on this topic. This Specialist Periodical Report reflects the growing volume of published work involving NMR techniques and applications, in particular NMR of natural macromolecules which is covered in two reports: "NMR of Proteins and Acids" and "NMR of Carbohydrates, Lipids and Membranes". For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage. Seasoned practitioners of NMR will find this an in valuable source of current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 860
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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We use a low transition temperature (T{sub c}) Super-conducting Quantum Interference Device (SQUID) to perform in vivo magnetic resonance imaging (MRI) at magnetic fields around 100 microtesla, corresponding to proton Larmor frequencies of about 5 kHz. In such low fields, broadening of the nuclear magnetic resonance lines due to inhomogeneous magnetic fields and susceptibility variations of the sample are minimized, enabling us to obtain high quality images. To reduce environmental noise the signal is detected by a second-order gradiometer, coupled to the SQUID, and the experiment is surrounded by a 3-mm thick Al shield. To increase the signal-to-noise ratio (SNR), we prepolarize the samples in a field up to 100 mT. Three-dimensional images are acquired in less than 6 minutes with a standard spin-echo phase-encoding sequence. Using encoding gradients of ≈100 [mu]T/m we obtain three-dimensional images of bell peppers with a resolution of 2 x 2 x 8 mm3. Our system is ideally suited to acquiring images of small, peripheral parts of the human body such as hands and arms. In vivo images of an arm, acquired at 132 [mu]T, show 24-mm sections of the forearm with a resolution of 3 x 3 mm2 and a SNR of 10. We discuss possible applications of MRI at these low magnetic fields.
Author: Boyd McLean Goodson
Publisher:
ISBN:
Category :
Languages : en
Pages : 622
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Book Description
