Matches in SemOpenAlex for { <https://semopenalex.org/work/W3103102403> ?p ?o ?g. }
- W3103102403 abstract "Abstract Recently cleared by the FDA, 7 Tesla (7T) MRI is a rapidly growing technology that can provide higher resolution and enhanced contrast in human MRI images. However, the increased operational frequency (~297 MHz) hinders its full potential since it causes inhomogeneities in the images and increases the power deposition in the tissues. This work describes the optimization of an innovative radiofrequency (RF) head coil coupled design, named Tic Tac Toe, currently used in large scale human MRI scanning at 7T; to date, this device was used in more than 1,300 patient/volunteer neuro 7T MRI scans. Electromagnetic simulations were performed for each of the coil’s antennas using the finite-difference time-domain method. Numerical optimizations were used to combine the calculated electromagnetic fields produced by these antennas, based on the superposition principle, and successfully produced homogeneous magnetic field distributions at low levels of power deposition in the tissues. The simulations were then successfully validated in-vivo using the Tic Tac Toe RF head coil system on a 7T MRI scanner." @default.
- W3103102403 created "2020-11-23" @default.
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- W3103102403 date "2020-11-08" @default.
- W3103102403 modified "2023-09-23" @default.
- W3103102403 title "Improved 7 Tesla Transmit Field Homogeneity with Reduced Electromagnetic Power Deposition Using Coupled Tic Tac Toe Antennas" @default.
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- W3103102403 doi "https://doi.org/10.1101/2020.11.06.371328" @default.
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