Fig. 4From: Evaluation of cellular response and drug delivery efficacy of nanoporous stainless steel materialPlatelet adhesion assay. Representative images of platelets on prepolishing (a) and postpolishing surfaces (b). c Quantitative analysis of the images. White circles: aggregated platelets; black arrow: red blood cells; white arrow: star-shaped activated platelets. The indicated values represent the mean ± SD (n = 5), *p < 0.05Back to article page