Progress in Biomedical Engineering,
Journal Year:
2024,
Volume and Issue:
7(1), P. 012003 - 012003
Published: Oct. 16, 2024
Abstract
The
design
and
optimization
of
bone
scaffolds
are
critical
for
the
success
tissue
engineering
(BTE)
applications.
This
review
paper
provides
a
comprehensive
analysis
computational
methods
scaffold
architecture,
focusing
on
balance
between
mechanical
stability,
biological
compatibility,
manufacturability.
Finite
element
method
(FEM),
fluid
dynamics
(CFD),
various
algorithms
discussed
their
roles
in
simulating
refining
designs.
integration
multiobjective
topology
has
been
highlighted
developing
that
meet
multifaceted
requirements
BTE.
Challenges
such
as
need
consideration
manufacturing
constraints
incorporation
degradation
regeneration
models
into
process
have
identified.
underscores
potential
advanced
tools
additive
techniques
evolving
field
BTE,
aiming
to
improve
patient
outcomes
regeneration.
reliability
current
is
examined,
with
suggestions
incorporating
non-deterministic
approaches
vivo
validations
enhance
practical
application
optimized
scaffolds.
concludes
call
further
research
artificial
intelligence-based
advance
optimization.
Gels,
Journal Year:
2025,
Volume and Issue:
11(1), P. 45 - 45
Published: Jan. 7, 2025
The
field
of
tissue
engineering
has
made
significant
advancements
with
extrusion-based
bioprinting,
which
uses
shear
forces
to
create
intricate
structures.
However,
the
success
this
method
heavily
relies
on
rheological
properties
bioinks.
Most
bioinks
use
shear-thinning.
While
a
few
component-based
efforts
have
been
reported
predict
viscosity
bioinks,
impact
rate
vastly
ignored.
To
address
gap,
our
research
presents
predictive
models
using
machine
learning
(ML)
algorithms,
including
polynomial
fit
(PF),
decision
tree
(DT),
and
random
forest
(RF),
estimate
bioink
based
component
weights
rate.
We
utilized
novel
composed
varying
percentages
alginate
(2-5.25%),
gelatin
TEMPO-Nano
fibrillated
cellulose
(0.5-1%)
at
rates
from
0.1
100
s-1.
Our
study
analyzed
169
measurements
80%
training
20%
validation
data.
results,
coefficient
determination
(R2)
mean
absolute
error
(MAE),
showed
that
RF
algorithm-based
model
performed
best:
[(R2,
MAE)
=
(0.99,
0.09),
(R2,
PF
(0.95,
0.28),
DT
(0.98,
0.13)].
These
serve
as
valuable
tools
for
formulation
optimization,
allowing
researchers
determine
effective
viscosities
without
extensive
experimental
trials
accelerate
engineering.
Materials Today Bio,
Journal Year:
2025,
Volume and Issue:
31, P. 101531 - 101531
Published: Feb. 5, 2025
Three-dimensional
(3D)
printing
technology
has
shown
significant
promise
in
the
medical
field,
particularly
orthopedics,
prosthetics,
tissue
engineering,
and
pharmaceutical
preparations.
This
review
focuses
on
innovative
application
of
3D
addressing
challenges
osteonecrosis
femoral
head
(ONFH).
Unlike
traditional
hip
replacement
surgery,
which
is
often
suboptimal
for
younger
patients,
offers
precise
localization
necrotic
areas
ability
to
create
personalized
implants.
By
integrating
advanced
biomaterials,
this
a
promising
strategy
approach
early
hip-preserving
treatments.
Additionally,
3D-printed
bone
engineering
scaffolds
can
mimic
natural
environment,
promoting
regeneration
vascularization.
In
future,
potential
extends
combining
with
artificial
intelligence
optimizing
treatment
plans,
developing
materials
enhanced
bioactivity
compatibility,
translating
these
innovations
from
laboratory
clinical
practice.
demonstrates
how
uniquely
addresses
critical
ONFH
treatment,
including
insufficient
vascularization,
poor
mechanical
stability,
limited
long-term
success
conventional
therapies.
introducing
gradient
porous
scaffolds,
bioactive
material
coatings,
AI-assisted
design,
work
outlines
novel
strategies
improve
interventions.
These
advancements
not
only
enhance
efficacy
but
also
pave
way
findings
into
applications.
Marine Drugs,
Journal Year:
2024,
Volume and Issue:
22(3), P. 134 - 134
Published: March 16, 2024
3D
bioprinting
is
a
disruptive,
computer-aided,
and
additive
manufacturing
technology
that
allows
the
obtention,
layer-by-layer,
of
complex
structures.
This
believed
to
offer
tremendous
opportunities
in
several
fields
including
biomedical,
pharmaceutical,
food
industries.
Several
processes
bio-ink
materials
have
emerged
recently.
However,
there
still
pressing
need
develop
low-cost
sustainable
with
superior
qualities
(excellent
mechanical,
viscoelastic
thermal
properties,
biocompatibility,
biodegradability).
Marine-derived
biomaterials,
polysaccharides
proteins,
represent
viable
renewable
source
for
formulations.
Therefore,
focus
this
review
centers
around
use
marine-derived
biomaterials
formulations
bio-ink.
It
starts
general
overview
followed
by
description
most
commonly
used
bioprinting,
special
attention
paid
chitosan,
glycosaminoglycans,
alginate,
carrageenan,
collagen,
gelatin.
The
challenges
facing
application
within
biomedical
pharmaceutical
along
future
directions
are
also
discussed.
Biomedical Materials,
Journal Year:
2024,
Volume and Issue:
19(3), P. 035038 - 035038
Published: April 16, 2024
Abstract
Accurate
segmentation
of
coronary
artery
tree
and
personalized
3D
printing
from
medical
images
is
essential
for
CAD
diagnosis
treatment.
The
current
literature
on
relies
solely
generic
models
created
with
different
software
or
manually
segmented
images.
Moreover,
there
are
not
many
studies
examining
the
bioprintability
a
model
generated
by
artificial
intelligence
(AI)
complex
branched
structures.
In
this
study,
deep
learning
algorithms
transfer
have
been
employed
accurate
to
generate
printable
segmentations.
We
propose
combination
printing,
which
accurately
segments
prints
vascular
patterns
in
arteries.
Then,
we
performed
AI-generated
fabrication
bifurcated
hollow
structure.
Our
results
indicate
improved
performance
aid
Dice
overlap
score
0.86
test
set
10
tomography
angiography
regions
were
printed
into
Pluronic
F-127
support
bath
using
alginate
+
glucomannan
hydrogel.
successfully
fabricated
structures
high
length
wall
thickness
accuracy,
however,
outer
diameters
vessels
bifurcation
point
differ
models.
extrusion
unnecessary
material,
primarily
observed
when
nozzle
moves
left
right
vessel
during
can
be
mitigated
adjusting
speed.
shape
accuracy
also
designing
multi-axis
printhead
that
change
angle
three
dimensions.
Thus,
study
demonstrates
potential
use
AI-segmented
and,
further
improved,
used
patient-specific
implants.
Virtual and Physical Prototyping,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: Aug. 30, 2024
Advanced
three-dimensional
(3D)
bioprinting
technology
enables
the
precise
production
of
complex
vascular
structures
and
biomimetic
models,
driving
advancements
in
tissue
engineering
disease
mechanism
research.
At
core
this
is
smart
bioink,
which
suitable
for
fabricating
models
that
can
be
vascularised
to
meet
property
requirements
various
tissues.
Examples
bioinks
include
decellularized
extracellular
matrix
(dECM),
photocrosslinkable,
reversible,
microgel-based
biphasic
(MB)
bioinks,
whose
mechanical
properties
tuned
through
external
stimuli.
This
tuning
helps
generate
high-resolution
complex-shaped
networks
essential
cell
survival
functional
maturation.
review
explores
advanced
3D
strategies
using
spatially
controlled
perfusable
vitro
emphasising
reconstruction
within
bioprinted
models.
It
also
discusses
challenges
future
prospects,
suggesting
could
serve
as
alternatives
traditional
animal
modelling
drug
screening.
Infrastructures,
Journal Year:
2024,
Volume and Issue:
9(9), P. 166 - 166
Published: Sept. 23, 2024
In
recent
years,
three
dimensional
concrete
printing
(3DCP)
has
gained
traction
as
a
promising
technology
to
mitigate
the
carbon
footprint
associated
with
construction
industry.
However,
despite
its
environmental
benefits,
studies
frequently
overlook
impact
on
social
sustainability
and
overall
influence
project
success.
This
research
investigates
how
strategic
decisions
by
firms
shape
tradeoffs
between
economic,
environmental,
in
context
of
3DCP
adoption.
Through
interviews
20
Indian
industry
leaders,
it
was
found
that
companies
primarily
invest
for
automation
skilled
workforce
development,
rather
than
solely
reasons.
The
lack
incentives
sustainable
practices
government
procurement
regulations
emerges
significant
barrier
widespread
adoption
3DCP.
Our
study
identifies
five
key
strategies
employ
promote
through
proposes
actionable
measures
intervention
stimulate
advancement.
Addressing
these
issues
is
crucial
realizing
full
societal
benefits
technology.
Journal of Functional Biomaterials,
Journal Year:
2025,
Volume and Issue:
16(1), P. 28 - 28
Published: Jan. 16, 2025
The
application
of
three-dimensional
(3D)
printing/bioprinting
technologies
and
cell
therapies
has
garnered
significant
attention
due
to
their
potential
in
the
field
regenerative
medicine.
This
paper
aims
provide
a
comprehensive
overview
3D
technology
therapies,
highlighting
results
diverse
medical
applications,
while
also
discussing
capabilities
limitations
combined
use.
synergistic
combination
printing
cellular
been
recognised
as
promising
innovative
approach,
it
is
expected
that
these
will
progressively
assume
crucial
role
treatment
various
diseases
conditions
foreseeable
future.
review
concludes
with
forward-looking
perspective
on
future
impact
technologies,
revolutionize
medicine
through
enhanced
tissue
repair
organ
replacement
strategies.