Table 6
Properties of porous composites developed for bone tissue engineering
Biocomposite		Percentage of ceramic (wt.%)	Porosity (%)	Pore size (μm)	Strength (MPa)	Modulus (MPa)	Ultimate strain (%)	Reference
Amorphous CaP	PLGA	28 to 75	75	>100		65		Ambrosio et al. ([2001]), Khan et al. ([2004])
β-TCP	Chitosa-gelatin	10 to 70		322 to 355	0.32 to 0.88	3.94 to 10.88		Yin et al. ([2003])
HA	PLLA	50	85 to 96	100 × 300	0.39	10 to 14		Zhang and Ma ([1999])
	PLGA	60 to 75	81 to 91	800 to 1800	0.07 to 0.22	2 to 7.5		Guan and Davies ([2004])
	PLGA		30 to 40	110 to 150		337 to 1459		Devin et al. ([1996])
Bioglass®	PLGA	75	43	89	0.42	51		Laurencin et al. ([2002]), Lu et al. ([2003]), Stamboulis et al. ([2002])
	PLLA	20 to 50	77 to 80	approximately 100 (macro); approximately 10 (micro)	1.5 to 3.9	137 to 260	1.1 to 13.7	Zhang et al. ([2004])
	PLGA	0.1 to 1		50 to 300				Blaker et al. ([2004])
	PDLLA	5 to 29	94	approximately 100 (macro); 10 to 50 (micro)	0.07 to 0.08	0.65 to 1.2	7.21 to 13.3	Blaker et al. ([2003,2005]), Verrier et al. ([2004])
Phosphate glass A/W	PLA-PDLLA	40	93 to 97	98 to 154	0.017 to 0.020	0.075 to 0.12		Navarro, et al. ([2004]), Li and Chang ([2004])
	PDLLA	20 to 40	85.5 to 95.2
Bioglass	PGS	90	>90	300 to 500	0.4 to 1.0			Chen et al. ([2010d])
Human cancellous bone		70	60 to 90	300 to 400	0.4 to 4.0	100 to 500	1.65 to 2.11	Giesen et al. ([2001]), Yeni and Fyhrie ([2001]), Yeni, et al. ([2001])

Chen et al. Progress in Biomaterials 2012 1:2   doi:10.1186/2194-0517-1-2