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First In Vivo Potassium-39 $(^{bf 39}$K) MRI at 9.4 T Using Conventional Copper Radio Frequency Surface Coil Cooled to 77 K
Potassium-39 ($^{39}$K) magnetic resonance imaging (MRI) is a noninvasive technique which could potentially allow for detecting intracellular physiological variations in common human pathologies such as stroke and cancer. However, the low signal-to-noise ratio (SNR) achieved in $^{39}$K-MR images hampered data acquisition with sufficiently high spatial and temporal resolution in animal models so far. Full wave electromagnetic (EM) simulations were performed for a single-loop copper (Cu) radio frequency (RF) surface resonator with a diameter of 30 mm optimized for rat brain imaging at room temperature (RT) and at liq...
Source: IEEE Transactions on Biomedical Engineering - January 17, 2014 Category: Biomedical Engineering Source Type: research

First In Vivo Potassium-39 K) MRI at 9.4 T Using Conventional Copper Radio Frequency Surface Coil Cooled to 77 K
Potassium-39 ( 39K) magnetic resonance imaging (MRI) is a noninvasive technique which could potentially allow for detecting intracellular physiological variations in common human pathologies such as stroke and cancer. However, the low signal-to-noise ratio (SNR) achieved in 39K-MR images hampered data acquisition with sufficiently high spatial and temporal resolution in animal models so far. Full wave electromagnetic (EM) simulations were performed for a single-loop copper (Cu) radio frequency (RF) surface resonator with a diameter of 30 mm optimized for rat brain imaging at room temperature (RT) and at liquid nitrogen (LN...
Source: IEEE Transactions on Biomedical Engineering - February 1, 2014 Category: Biomedical Engineering Source Type: research