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PURPOSE To develop a novel pulse sequence called spin-locked echo planar imaging (EPI), or (SLEPI), to perform rapid T1rho-weighted MRI. MATERIALS AND METHODS SLEPI images were used to calculate T1rho maps in two healthy volunteers imaged on a 1.5-T Sonata Siemens MRI scanner. The head and extremity coils were used for imaging the brain and blood in the(More)
Since introducing Internet-based distance education programs in 1996, Drexel University has gained recognition as an online education leader. Remaining at the vanguard means finding innovative, automated solutions to determine which students are contributing to thoughtful discussion, helping faculty engage with online students more efficiently, and spending(More)
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