A volume microstrip RF coil for MRI microscopy
Abstract Quantitative magnetic resonance imaging (MRI) studies of small samples such as a single cell or cell clusters require application of radiofrequency (RF) coils that provide homogenous B1 field distribution and high signal-to-noise ratio (SNR). We present a novel design of an MRI RF volume mi...
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| Veröffentlicht in: | Magnetic resonance imaging 2012, Vol.30 (1), p.70-77 |
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| container_title | Magnetic resonance imaging |
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| creator | Jasiński, Krzysztof Młynarczyk, Anna Latta, Peter Volotovskyy, Vyacheslav Węglarz, Władyslaw P Tomanek, Bogusław |
| description | Abstract Quantitative magnetic resonance imaging (MRI) studies of small samples such as a single cell or cell clusters require application of radiofrequency (RF) coils that provide homogenous B1 field distribution and high signal-to-noise ratio (SNR). We present a novel design of an MRI RF volume microcoil based on a microstrip structure. The coil consists of two parallel microstrip elements conducting RF currents in the opposite directions, thus creating homogenous RF field within the space between the microstrips. The construction of the microcoil is simple, efficient and cost-effective. Theoretical calculations and finite element method simulations were used to optimize the coil geometry to achieve optimal B1 and SNR distributions within the sample and predict parameters of the coil. The theoretical calculations were confirmed with MR images of a 1-mm-diameter capillary and a plant obtained with the double microstrip RF microcoil at 11.7 T. The in-plane resolution of MR images was 24 μm×24 μm. |
| doi_str_mv | 10.1016/j.mri.2011.07.010 |
| format | Article |
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We present a novel design of an MRI RF volume microcoil based on a microstrip structure. The coil consists of two parallel microstrip elements conducting RF currents in the opposite directions, thus creating homogenous RF field within the space between the microstrips. The construction of the microcoil is simple, efficient and cost-effective. Theoretical calculations and finite element method simulations were used to optimize the coil geometry to achieve optimal B1 and SNR distributions within the sample and predict parameters of the coil. The theoretical calculations were confirmed with MR images of a 1-mm-diameter capillary and a plant obtained with the double microstrip RF microcoil at 11.7 T. The in-plane resolution of MR images was 24 μm×24 μm.</description><identifier>ISSN: 0730-725X</identifier><identifier>EISSN: 1873-5894</identifier><identifier>DOI: 10.1016/j.mri.2011.07.010</identifier><identifier>PMID: 22055746</identifier><language>eng</language><publisher>Netherlands: Elsevier Inc</publisher><subject>Equipment Design ; Equipment Failure Analysis ; FEM ; Image Enhancement - instrumentation ; Magnetic Resonance Imaging - methods ; Magnetics - instrumentation ; Micro MRI ; Microscopy - instrumentation ; MRI microcoil ; Phantoms, Imaging ; Radio Waves ; Radiology ; Reproducibility of Results ; RF coil ; Sensitivity and Specificity ; SNR ; Transducers</subject><ispartof>Magnetic resonance imaging, 2012, Vol.30 (1), p.70-77</ispartof><rights>Elsevier Inc.</rights><rights>2012 Elsevier Inc.</rights><rights>Copyright © 2012 Elsevier Inc. 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| fulltext | fulltext |
| identifier | ISSN: 0730-725X |
| ispartof | Magnetic resonance imaging, 2012, Vol.30 (1), p.70-77 |
| issn | 0730-725X 1873-5894 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_920796184 |
| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Equipment Design Equipment Failure Analysis FEM Image Enhancement - instrumentation Magnetic Resonance Imaging - methods Magnetics - instrumentation Micro MRI Microscopy - instrumentation MRI microcoil Phantoms, Imaging Radio Waves Radiology Reproducibility of Results RF coil Sensitivity and Specificity SNR Transducers |
| title | A volume microstrip RF coil for MRI microscopy |
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