Researchers have developed a high-temperature superconducting coil that allows magnetic resonance imaging (MRI) scanners to produce higher resolution images or acquire images in a shorter time than when using conventional coils.
Wosik, a principal investigator at the Texas Center for Superconductivity at UH, said test results show the new technology can reveal brain structures that aren’t easily visualized with conventional MRI coils. He also is a research professor in the UH Department of Electrical and Computer Engineering.
The cryo-coil works by boosting the signal-to-noise ratio (SNR) — a measure of the strength of signals carrying useful information — by a factor of two to three, compared with conventional coils. SNR is critical to the successful implementation of high resolution and fast imaging.
Results from preliminary testing of the 7 Tesla MRI Cryo-probe were presented at the International Symposium of Magnetic Resonance in Medicine annual meeting in May. The coil can be optimized for experiments on living animals or brain tissue samples, and researchers said they demonstrated an isotropic resolution of 34 micron in rat brain imaging. In addition to its use in MRI coils, superconductivity lies at the heart of MRI scanning systems, as most high-field magnets are based on superconducting wire
SOURCES – Texas Center for Superconductivity at UH, Eurekalert
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