Biomedical Engineering Reference
In-Depth Information
Table 9.5
General properties summary of
hydrogel compatible RP techniques
Technique
Drawbacks
Resolution
Porosity
Examp le
a
References
Laser-based
systems
SLA
Scaffold shrinkage due to water
evaporation
30 m m
<90 %
[
70,
133
]
Incomplete conversion thus
post-curing essential
[
236
]
Limited resolution
[
138
]
Limited availability of cells,
non-homogeneous cell
distributions, cytotoxic photo-
initiator
[
137
]
source: [
70
]
Complex architectures with tunable
micro- and macroscale features
are difficult to achieve
[
161
]
m-SLA
Lower resolution than 2PP
1 m m
<90 %
[
140
]
source: [
139
]
Complex architectures with tunable
micro- and macroscale features
are difficult to achieve
[
161
]
Post-curing can be necessary
2PP
Not feasible to produce large
scaffolds
<Diffraction limit
of applied
light
Not speci fi ed
[
133
]
source: [
237
]
Time consuming adjustment to new
materials
[
94,
220
]
Scaffold shrinkage due to water
evaporation
[
163
]
Diffusion driven polymerization is
possible resulting in crosslink-
ing of non-irradiated material
[
163
]
(continued)
Search WWH ::
Custom Search