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

Figure 5

TEM image of the high aspect ratio HA nanorods: (a) pristine, (b) 2, (c) 3, and (d) 4 g/L PVP addition, and (e) and (f) HRTEM and SAED pattern of (d).

(a)

(b)

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(d)

(e)

(f)