PVP Assisted Synthesis of Hydroxyapatite Nanorods with Tunable Aspect Ratio and Bioactivity

Figure 8

Optical micrograph of MG-63 cell spreading on the high aspect ratio HA nanorods: (a) pristine and (b) 2, (c) 3, and (d) 4 g/L PVP addition.

(a)

(b)

(c)

(d)