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Organ printing:A computer-aided, layer-by-layer additive biofabrication of 3D
functional human tissue and organ constructs using self-assembling
tissue spheroids as building blocks.
Tissue fusion Tissue maturationBiofabrication of a vascular tree
Microsphere
as bioink
Biopaper
3D tissue fabrication process
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3D bioprinting
techniques
Orifice-based
printing
Orifice-free
printing
Inkjet-based printing
Filament-based printing
Laser-based printing
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3D cellular
tube being
printed
Z-shape platform
attached to Z
stage
Container
with
CaCl2
α
LED strobe Camera
Moving
direction
Dispense head
attached to XY stages
Bioink (3T3
cell
suspension
and NaAlg)
D
H
t
OXY
Z
CaCl2 solution level
Cells
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Fig. (a) Printed tube and (b) tube surface and (c) cell viability test after liquefying
(a)
Cell
(b)
Live Cell
Dead Cell
After liquefying
(c)
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[Murphy2014]
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[Hockaday2012]
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[Murphy2014] [Brown2010]
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[Koch2012]
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[Miller2012]
3D lattice of filaments
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References