Synthesis, characterization, biocompatibility of hydroxyapatite–natural polymers nanocomposites for dentistry applications

Figures & data

Table I. The components of each sample.

Nanocomposite	Hydroxyapatite	Chitosan	Alginate	Albumin
S1	75% w (3 g)	5% w (0.4 g)	0% w	20% w (0.8 g)
S2	75% w (3 g)	15% w (0.8 g)	0% w	10% w (0.4 g)
S3	75% w (3 g)	0% w	15% w (0.4 g)	10% w (0.8 g)
S4	75% w (3 g)	0% w	10% w (0.8 g)	15% w (0.4 g)
S5	75% w (3 g)	0% w	0% w	25% w (1.2 g)

Figure 1. Fourier transform infrared spectroscopy (a) structure of HA, (b) HA/chitosan–albumin nanocomposite, (c) HA/alginate–albumin nanocomposite, and (d) HA/albumin nanocomposite.

Figure 2. Shows the X-ray diffraction patterns for the pure HA (a) and HA–natural polymers nanocomposites (b–d).

Figure 3. (a) SEM of pure hydroxyapatite, (b) hydroayapatite/chitosan–albumin, (c) hydroxyapatite/alginate–albumin, (d) hydroxyapatite/albumin.

Figure 4. Cytotoxicity in the MG-63 cell line.