Figure 2: The cellular uptake kinetics of enrofloxacinin RAW.264.7 cells.

(A) Free enrofloxacin; (B) Docosanoic acid encapsulated enrofloxacin. The enrofloxacin-loaded SLNs of 415 nm and −22.1 mv were prepared with 0.2 g enrofloxacin, 1.8 g fatty acid and 20 ml 2% PVA.