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Magnetic Resonance Imaging

The use of MRI as a powerful imaging and characterization modality in pharmaceutical dissolution research is now well established [1]. The non-invasive and non-destructive nature of MRI enables the investigation of structural, chemical and dynamical processes in many optically opaque systems at the microscopic level. Spatial maps of water penetration, tablet swelling and dissolution, as well as the mobilization and distribution of drug products can now be quantified and visualized [2,3]. In addition, the hydrodynamics within a USP recommended flow-through dissolution apparatus can also be visualized by MRI [4]. Such comprehensive information is essential in pharmaceutical research for: (i) the correct interpretation of conventional drug dissolution profiles and (ii) the optimal design (QbD) of controlled release formulations.

Published in Research Highlights