Figure 2From: Evaluation of superparamagnetic iron oxide-polymer composite microcapsules for magnetic resonance-guided high-intensity focused ultrasound cancer surgery Morphology of DiI-labeled PLGA-coated Fe 3 O 4 microcapsules. (A) Appearance of microcapsules under light microscopy. (B) Appearance of microcapsules under fluorescence microscopy. Scale bar: 10 μm.Back to article page