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Biodistribution of the 64Cu-DOTA-FA-FI-G5·NHAc dendrimers in KB or A549 tumor-bearing athymic nude mice at 20 h pi (n = 6 per group, mean ± SD). Administration of the 64Cu-DOTA-FA-FI-G5·NHAc dendrimers (7.4 MBq) was through iv injection. The blocking study was performed by iv injection of 7.4 MBq of the 64Cu-DOTA-FA-FI-G5·NHAc dendrimers with co-injection of FA (100 μg per mouse) as a blocking agent.
