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Magnetic resonance images of nu/nu nude mice at various time points after the tail vein injection of polydisulfide DNCs or PAMAM(G3)-[Gd-C-DOTA]-1. T1 weighted mages of the kidney were acquired pre-injection and 15 mins, 1 h, 2 h, and 4 h post-injection. All images were acquired using a 4.7 T small animal horizontal bore Varian INOVA system.
