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@ARTICLE{Hong:916400,
      author       = {Hong, Suk-Min and Choi, Chang-Hoon and Shah, N. J. and
                      Felder, Jorg},
      title        = {{D}esign of a folded, double-tuned loop coil for 1
                      {H}/{X}-nuclei {MRI} applications},
      journal      = {IEEE transactions on medical imaging},
      volume       = {42},
      number       = {5},
      issn         = {0278-0062},
      address      = {New York, NY},
      publisher    = {IEEE},
      reportid     = {FZJ-2022-06200},
      pages        = {1424 - 1430},
      year         = {2022},
      abstract     = {MR measurement using a combination of X-nuclei and proton
                      MRI is of great interest as the information provided by the
                      two nuclei is highly complementary, with the X-nuclei signal
                      giving metabolic data relating to potential biomarkers and
                      the proton signal affording anatomical details. Due to the
                      relatively weak signal obtained from X-nuclei, combining an
                      X-nuclei coil with a proton coil is also advantageous for B0
                      shimming and scout images. One approach to building a
                      double-resonant coil is to modify the coil geometry. Here,
                      to achieve double-resonance, a 2× 1 ladder network was
                      designed and tuned at both proton and X-nuclei frequencies
                      successfully. Due to coupling between closed wires, the
                      double-tuned coil generates a shifted transmit efficiency
                      pattern compared to that of the single-tuned loop at the 7T
                      MRI proton frequency. To compensate for the shifted pattern,
                      one part of the 2× 1 ladder network was folded, and the
                      tuning and performance of the folded double-tuned coil were
                      evaluated in simulations and MR measurements. The proposed
                      structure was further evaluated with overlapped decoupling
                      in a receive-only array. The results show that our proposed
                      folded double-tuned coil moderated the shifted pattern of a
                      straight double-tuned loop coil and provided minimum losses
                      at both proton and X-nuclei frequencies. The proposed folded
                      double-tuned loop coil has also been further extended to a
                      receive-only array.},
      cin          = {INM-4 / INM-11 / JARA-BRAIN},
      ddc          = {620},
      cid          = {I:(DE-Juel1)INM-4-20090406 / I:(DE-Juel1)INM-11-20170113 /
                      I:(DE-Juel1)VDB1046},
      pnm          = {5253 - Neuroimaging (POF4-525)},
      pid          = {G:(DE-HGF)POF4-5253},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {37015697},
      UT           = {WOS:000982483400016},
      doi          = {10.1109/TMI.2022.3228305},
      url          = {https://juser.fz-juelich.de/record/916400},
}