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In vivo magnetic targeting in sciatic nerve model. Images of extracted sciatic nerves: Left: nerve injected with MNPs. A magnet tip was placed externally following injection, leading to MNPs accumulation near magnet (stained in blue). Middle: nerve injected with MNPs, without an external magnet. MNPs are distributed along the nerve. Right: Control (no injection of MNPs). Scale bar = 4 mm.
