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| Figure 3: In-vivo MRI. The MR images were obtained from either untreated mice (left column) or weekly injected ones by RU-MFLs (4.3mg/week/kg) without (middle column) or in the presence of a 0.44-T magnet (155 T/m magnetic field gradient) placed onto the tumor (targeted RU-MFLs, right column). Arrows show negative contrast enhancement due to high iron oxide concentration. |
