bioRxivBiophysicsPreprint
CRYO-CEST: Non-invasive imaging of cryoprotectants using chemical exchange saturation transfer
Jan‐Rüdiger SchüreiD, Moritz ZaißiD, Arnd Dörfler, Alexander GermaniD
Abstract
Chemical exchange saturation transfer (CEST) MRI at 7T was explored as a non-invasive method to detect and quantify common cryoprotectants used in organ cryopreservation. Phantom experiments demonstrated clear CEST signals from ethylene glycol, formamide, and dimethyl sulfoxide, with formamide showing the most sensitive concentration-dependent response. CEST imaging could thus provide a practical tool for monitoring cryoprotectant concentrations in organs.
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