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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