Fig. 6From: Radiolabeling polymeric micelles for in vivo evaluation: a novel, fast, and facile methodSPECT/CT static scans. Obtained at time points after the injection of 1 mg of 111In-PS-b-PEO micelles (22 MBq). a 0–30 min pi: circulation and uptake in the spleen. (b) 4 h pi: circulation still visible, although reduced in respect to a. c 24 h pi: circulation is not visible anymore, while most of the activity is in the spleen and in the liverBack to article page