Research Article

Layer-by-Layer Fabrication of PAH/PAMAM/Nano-CaCO3 Composite Films and Characterization for Enhanced Biocompatibility

Figure 11

Fluorescent images of HLFCs cultured (a1–a4) 24 h, (b1–b4) 48 h, and (c1–c4) 72 h on substrates with different bilayers. Control experiment, no CaCO3.