Biomedical Engineering Reference
In-Depth Information
Fig. 3.1 a Physical appearrance, b SEM micrograph of the PHBV scaffolds fabricated by emul-
sion freeze drying technique
Fig. 3.2 PHBV scaffolds with manufacturing defects a broken structure b non-porous structure
Table 3.1 Densities, porosities and compressive modulus of PHBV scaffolds prepared from
PHBV/CHCl 3 /acetic acid emulsions
Emulsion concentration of
PHBV (% w/v)
Density (g/cm 3 )
Quenching temperature
(°C)
Porosity (%)
2.5
35
0.0540 ± 0.02
85 ± 1.52
5.0
35
0.1105 ± 0.03
83 ± 1.54
7.5
35
0.2097 ± 0.01
80 ± 1.53
10.0
35
0.2645 ± 0.01
77 ± 2.00
12.5
35
0.2926 ± 0.01
71 ± 1.50
 
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