Figure 4From: Effect of nitrogen atomic percentage on N+-bombarded MWCNTs in cytocompatibility and hemocompatibilityCSLM images of mouse fibroblast cells fixed on N+-bombarded MWCNTs. Nitrogen contents are (a, d, g) 7.81%, (b, e, h) 8.67%, and (c, f, i) 9.28%.Back to article page