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. 2018 Jul 23;12:2285–2292. doi: 10.2147/DDDT.S169734

Figure 4.

Figure 4

Confocal images of cellular uptake of (A) free ERT, (B) ERT-HSA NPs, and (C) ERT-HSA-HA NPs by A549 cells.

Note: Incubation time was 2 h.

Abbreviations: ERT, erlotinib; ERT-HSA NPs, human serum albumin-modified erlotinib nanoparticles; ERT-HSA-HA NPs, hyaluronic acid- and human serum albumin-modified erlotinib nanoparticles.