Figure 4From: Cytotoxicity and cellular uptake of tri-block copolymer nanoparticles with different size and surface characteristics Phagocytic Index (PI) in NR8383 cells after 24 h exposure to different PNP 45 (Δ) and PNP 90 (▲). The * sign signifies p < 0.05 compared to negative control (0 μg/ml).Back to article page