Figure 2: In Vitro Biofunctionality of IL-4 Bioactive Surfaces

(A) Schematic of experimental design. (B) Scanning electron microscopy (SEM) (top row; scale bar represents 50 μm) and confocal microscopy (bottom row; scale bar represents 5 μm) of cultured macrophages. (C) Quantitative polymerase chain reaction (qPCR) of M2 Phenotype genes (n = 5 per group). Abbreviations as in Figure 1.