EPR at work: Part 1

Hyde, James S.

doi:10.1002/cmr.a.20047

Cited by 8 publications

(5 citation statements)

References 94 publications

(65 reference statements)

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“…I wrote about half of the EPR at Work series. They have now been published as a set, see Topic I [3], making them widely available and still of some interest.…”

Section: Varian Associatesmentioning

confidence: 99%

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Autobiography of James S. Hyde

Hyde

2017

Appl Magn Reson

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The papers, book chapters, reviews, and patents by James S. Hyde in the bibliography of this document have been separated into EPR and MRI sections, and within each section by topics. Within each topic, publications are listed chronologically. A brief summary is provided for each patent listed. A few publications and patents that do not fit this schema have been omitted. This list of publications is preceded by a scientific autobiography that focuses on selected topics that are judged to have been of most scientific importance. References to many of the publications and patents in the bibliography are made in the autobiography.

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“…I wrote about half of the EPR at Work series. They have now been published as a set, see Topic I [3], making them widely available and still of some interest.…”

Section: Varian Associatesmentioning

confidence: 99%

“…This has become a lifelong perspective, impacting my most recent work. This article has also been reproduced in Topic I [3]. …”

Section: Varian Associatesmentioning

confidence: 99%

Autobiography of James S. Hyde

Hyde

2017

Appl Magn Reson

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“…Those interested in the history of the field will profit from Foundations of Modern EPR [234]. EPR at Work, a special thematic issue of Concepts in Magnetic Resonance, written by James Hyde and us, brings into an easily accessible volume, with updates, many of the informally published documents that stimulated the early development of EPR [235]. Many of the volumes in the Biological Magnetic Resonance series provide chapters that extend and enhance the content of the present article: in vivo [61], distance measurements [236], instrumentation and calculational methods [237,238], high-frequency [239], biomedical [60,66], membranes [59], metalloproteins [240] EPR.…”

Section: Further Readingmentioning

confidence: 99%

The world as viewed by and with unpaired electrons

Eaton,

Eaton

2012

Journal of Magnetic Resonance

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Recent advances in electron paramagnetic resonance (EPR) include capabilities for applications to areas as diverse as archeology, beer shelf life, biological structure, dosimetry, in vivo imaging, molecular magnets, and quantum computing. Enabling technologies include multifrequency continuous wave, pulsed, and rapid scan EPR. Interpretation is enhanced by increasingly powerful computational models.

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“…Hyde reports enhancement through Dewar insertion of a factor of 2 for samples that do not exhibit microwave power saturation, and a factor of 2 1/2 for samples that do (see Table 4 in Ref. [2]). (In the latter case, it is assumed that the incident microwave power in the presence of the Dewar was readjusted to the level that was incident on the sample in the absence of the Dewar.…”

Section: Introductionmentioning

confidence: 99%

EPR Uniform Field Signal Enhancement by Dielectric Tubes in Cavities

Hyde

Mett

2017

Appl Magn Reson

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The dielectric tube resonator (DTR) for EPR spectroscopy is introduced. It is defined as a metallic cylindrical TE011 microwave cavity that contains a dielectric tube centered on the axis of the cylinder. Contour plots of dimensions of the metallic cylinder to achieve resonance at 9.5 GHz are shown for quartz, sapphire, and rutile tubes as a function of wall thickness and average radius. These contour plots were developed using analytical equations and confirmed by finite element modeling. They can be used in two ways: design of the metallic cylinder for use at 9.5 GHz that incorporates a readily available tube such as a sapphire tube intended for NMR, or design of a custom procured tube for optimized performance for specific sample-size constraints. The charts extend to the limiting condition where the dielectric fills the tube. However, the structure at this limit is not a dielectric resonator due to the metal wall and does not radiate. In addition, the uniform field (UF) DTR is introduced. Development of the UF resonator starting with a dielectric tube resonator is shown. The diameter of the tube remains constant along the cavity axis, and the diameter of the cylindrical metallic enclosure increases at the ends of the cavity to satisfy the uniform field condition. This structure has advantages over the previously developed UF TE011 resonators: higher resonator efficiency parameter Λ, convenient overall size when using sapphire tubes, and higher quality data for small samples. The DTR and UF DTR structures fill the gap between free space and dielectric resonator limits in a continuous manner.

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EPR at work: Part 1

Cited by 8 publications

References 94 publications

Autobiography of James S. Hyde

Autobiography of James S. Hyde

The world as viewed by and with unpaired electrons

EPR Uniform Field Signal Enhancement by Dielectric Tubes in Cavities

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