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A smart (19) F and (1) H MRI probe with self-immolative linker as a versatile tool for detection of enzymes
Aneta Keliris1, Ilgar Mamedov, Gisela E Hagberg
1Department for High-field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Tübingen, Germany. aneta.keliris@tuebingen.mpg.de
Abstract:
Here we report on a dual-modal (19) F and (1) H MRI paramagnetic probe with a self-immolative linker, Gd-DOMF-Gal. The enzymatic conversion of this probe by β-galactosidase resulted in a simultaneous turning on of the fluorine signal and changed ability of the Gd(3+) complex to modulate the (1) H MR signal intensity of the surrounding water molecules. A versatile imaging platform for monitoring a variety of enzymes by (19) F and (1) H MRI using this molecular design is proposed.
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