Application of copper plates for frequency tuning of surface wired and wireless MRI coils

Gulyaev M.V., Pavlova O.S., Volkov D.V., Sadykhov E.G., Anisimov N.V., Pirogov Y.A.
Тип документаJournal Article
Дата публикации2019-12-01
Название журналаJournal of Magnetic Resonance
ИздательElsevier
Квартиль по SCImagoQ1
Квартиль по Web of ScienceQ2
Импакт-фактор 20212.73
ISSN10907807
Biochemistry
Biophysics
Condensed Matter Physics
Nuclear and High Energy Physics
Краткое описание
This study shows how a copper plate could be used for frequency tuning of surface wired and wireless MRI coils. For this purpose, it is proposed to place the copper plate directly on their conducting circuit. This leads to increase in the resonance frequency of coils. The effect is most perceptible if the copper plate is comparable in size to the conducting circuit of radiofrequency (RF) coil. The experimental work was performed on a 7.05 T MR scanner using surface MRI coils operating on different resonance frequencies: 1H (300 MHz), 31P (121 MHz), 23Na (79 MHz), 13C (75 MHz). Application of copper plate for frequency tuning of wireless multi-turn multi-gap transmission line resonator (MTMG-TLR) was considered for the first time. The proposed method can be claimed if the nominal variable inductance or capacitance is not enough for tuning the resonance frequency of the MRI coil to a higher frequency range.
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1. Gulyaev M.V. и др. Application of copper plates for frequency tuning of surface wired and wireless MRI coils // Journal of Magnetic Resonance. 2019. Т. 309. С. 106626.
RIS |
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TY - JOUR

DO - 10.1016/j.jmr.2019.106626

UR - http://dx.doi.org/10.1016/j.jmr.2019.106626

TI - Application of copper plates for frequency tuning of surface wired and wireless MRI coils

T2 - Journal of Magnetic Resonance

AU - Gulyaev, Mikhail V.

AU - Pavlova, Olga S.

AU - Volkov, Dmitry V.

AU - Sadykhov, Elnur G.

AU - Anisimov, Nikolay V.

AU - Pirogov, Yury A.

PY - 2019

DA - 2019/12

PB - Elsevier BV

SP - 106626

VL - 309

SN - 1090-7807

ER -

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@article{2019,

doi = {10.1016/j.jmr.2019.106626},

url = {https://doi.org/10.1016%2Fj.jmr.2019.106626},

year = 2019,

month = {dec},

publisher = {Elsevier {BV}},

volume = {309},

pages = {106626},

author = {Mikhail V. Gulyaev and Olga S. Pavlova and Dmitry V. Volkov and Elnur G. Sadykhov and Nikolay V. Anisimov and Yury A. Pirogov},

title = {Application of copper plates for frequency tuning of surface wired and wireless {MRI} coils}

}

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Gulyaev, Mikhail V. et al. “Application of Copper Plates for Frequency Tuning of Surface Wired and Wireless MRI Coils.” Journal of Magnetic Resonance 309 (2019): 106626. Crossref. Web.