Fig.9From: Regulated Surface Morphology of Polyaniline/Polylactic Acid Composite Nanofibers via Various Inorganic Acids Doping for Enhancing Biocompatibility in Tissue EngineeringCell viability HOS cultured for 1, 3, and 5 days on PLA nanofibers and PANI/PLA composite nanofibers (*p < 0.05; **p < 0.005)Back to article page