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A broad tuneable birdcage coil for mouse 1H/19F MR applications.

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Title: A broad tuneable birdcage coil for mouse 1H/19F MR applications.
Authors: Vít, M.1,2 (AUTHOR), Burian, M.1 (AUTHOR), Berková, Z.1 (AUTHOR), Lacik, J.3 (AUTHOR), Sedlacek, O.4,5 (AUTHOR), Hoogenboom, R.5 (AUTHOR), Raida, Z.3 (AUTHOR), Jirak, D.1,6 (AUTHOR) daji@ikem.cz
Source: Journal of Magnetic Resonance. Aug2021, Vol. 329, pN.PAG-N.PAG. 1p.
Subjects: Birdcages, Laboratory mice, Spectral imaging, Electromagnetic fields, Magnetic resonance
Abstract: [Display omitted] • A new experimental volume radiofrequency coil intended for 1H/19F MR at 4.7 T. • Extreme broad band of tuning while maintaining good homogeneity of B 1 field. • Intended for the mice whole body measurement with one radiofrequency coil. In this paper, we present the design and implementation of a 1H/19F volume coil for mouse body magnetic resonance (MR) imaging and spectroscopy using a high magnetic field (4.7 T). By changing the geometry of the coil rungs to include both nuclei for MR experiments, this innovative coil can be tuned over an extremely wide range of frequency. The coil, 45 mm in diameter and 55 mm in length, consists of a 12-rung birdcage-like structure. Using two types of tuning, the coil can generate a sufficiently homogeneous B 1 + electromagnetic field within a working volume optimized for laboratory mouse. The first tuning involves changing the resonance frequency over a large frequency range. The electrical capacitance between the wires can be adjusted to reflect changes in the length of the coil. The second tuning comprises a habitual tuning transformer for precise detection in a narrow band. In contrast to widely used multinuclear coils, the coil presented here features only one resonance peak and can be manipulated according to the Larmor frequencies given for 1H and 19F. The coil was successfully tested using full-wave simulations of magnetic and electric field distributions under in vivo MR conditions. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Magnetic Resonance is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 151557601
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: A broad tuneable birdcage coil for mouse 1H/19F MR applications.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Vít%2C+M%2E%22">Vít, M.</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Burian%2C+M%2E%22">Burian, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Berková%2C+Z%2E%22">Berková, Z.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lacik%2C+J%2E%22">Lacik, J.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sedlacek%2C+O%2E%22">Sedlacek, O.</searchLink><relatesTo>4,5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hoogenboom%2C+R%2E%22">Hoogenboom, R.</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Raida%2C+Z%2E%22">Raida, Z.</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jirak%2C+D%2E%22">Jirak, D.</searchLink><relatesTo>1,6</relatesTo> (AUTHOR)<i> daji@ikem.cz</i>
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  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Magnetic+Resonance%22">Journal of Magnetic Resonance</searchLink>. Aug2021, Vol. 329, pN.PAG-N.PAG. 1p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Birdcages%22">Birdcages</searchLink><br /><searchLink fieldCode="DE" term="%22Laboratory+mice%22">Laboratory mice</searchLink><br /><searchLink fieldCode="DE" term="%22Spectral+imaging%22">Spectral imaging</searchLink><br /><searchLink fieldCode="DE" term="%22Electromagnetic+fields%22">Electromagnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+resonance%22">Magnetic resonance</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: [Display omitted] • A new experimental volume radiofrequency coil intended for 1H/19F MR at 4.7 T. • Extreme broad band of tuning while maintaining good homogeneity of B 1 field. • Intended for the mice whole body measurement with one radiofrequency coil. In this paper, we present the design and implementation of a 1H/19F volume coil for mouse body magnetic resonance (MR) imaging and spectroscopy using a high magnetic field (4.7 T). By changing the geometry of the coil rungs to include both nuclei for MR experiments, this innovative coil can be tuned over an extremely wide range of frequency. The coil, 45 mm in diameter and 55 mm in length, consists of a 12-rung birdcage-like structure. Using two types of tuning, the coil can generate a sufficiently homogeneous B 1 + electromagnetic field within a working volume optimized for laboratory mouse. The first tuning involves changing the resonance frequency over a large frequency range. The electrical capacitance between the wires can be adjusted to reflect changes in the length of the coil. The second tuning comprises a habitual tuning transformer for precise detection in a narrow band. In contrast to widely used multinuclear coils, the coil presented here features only one resonance peak and can be manipulated according to the Larmor frequencies given for 1H and 19F. The coil was successfully tested using full-wave simulations of magnetic and electric field distributions under in vivo MR conditions. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Magnetic Resonance is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jmr.2021.107023
    Languages:
      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Birdcages
        Type: general
      – SubjectFull: Laboratory mice
        Type: general
      – SubjectFull: Spectral imaging
        Type: general
      – SubjectFull: Electromagnetic fields
        Type: general
      – SubjectFull: Magnetic resonance
        Type: general
    Titles:
      – TitleFull: A broad tuneable birdcage coil for mouse 1H/19F MR applications.
        Type: main
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            NameFull: Vít, M.
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            NameFull: Burian, M.
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            NameFull: Berková, Z.
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            NameFull: Lacik, J.
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            NameFull: Sedlacek, O.
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            NameFull: Hoogenboom, R.
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            – D: 01
              M: 08
              Text: Aug2021
              Type: published
              Y: 2021
          Identifiers:
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              Value: 10907807
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            – Type: volume
              Value: 329
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            – TitleFull: Journal of Magnetic Resonance
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