Frequency Shift Imaging Using an Adiabatic SLR Self-Refocused Pulse for Positive-Contrast SPION Imaging at 7T
Akbar Alipour, Madison Chiu, Judy Alper, Hadrien Dyvorne, Gaurav Verma, Shams Rashid, Abraham J. P. Teunissen, Zahi Adel Fayad, Priti Balchandani
This paper introduces Frequency Shift Imaging (FSI), a positive-contrast MRI technique for SPION detection, showing improved specificity and signal intensity compared to conventional negative-contrast methods.
bioRxiv · Sep 28, 2026 · PreprintBioengineering