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Transfection activity of LbL films based on SEAP-DNA. Stainless steel mesh coated with (DNA/RHB)15 (■), (DNA/PEI)15 (●), and control non-coated mesh (▲) were used to transfect NIH-3T3 (a) and SMC (b) cells. Cumulative levels of SEAP expression are expressed as mean relative light units (RLU/100 μL) ± SD (n = 3).
