(a)
(b)
Figure 2: In vivo imaging of inflammation with two cFLFLF-derived probes in the rat knee joints treated with (right knee) or without (left knee) monoiodoacetate (MIA). (a) CFLFLF-PEG-Cy 7 probe with animal back down, at day 5 after MIA injection; (b) cFLFLF-PEG-DOTA-64Cu with animal back up, at day 5 after MIA injection (upper column: micro-CT; middle column: micro-PET; lower column: fused).