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In vivo monitoring of stem cells after grafting is essential for a better understanding of their migrational dynamics and differentiation processes and of their regeneration potential. Migration of(More)
Most of the currently used methods for functional brain imaging do not visualize neuronal activity directly but rather rely on the elicited hemodynamic and/or metabolic responses. Glutamate, the(More)
PURPOSE To investigate the field strength dependency of relaxivity values with SH U 555 A, concentration-dependent T1 effects, and findings at dynamic T1-weighted magnetic resonance (MR) imaging in(More)