Figure 9From: A novel Poly(ε-caprolactone)-Pluronic-Poly(ε-caprolactone) grafted Polyethyleneimine(PCFC-g-PEI), Part 1, synthesis, cytotoxicity, and in vitro transfection studyThe percentage of cell apoptosis caused by PCFC- g -PEI and PEI were studied through propidium iodide (PI) staining and flow cytometry (n = 3). Cell survival (%) = 1-apoptosis (%).Back to article page