Journal of Manufacturing and Materials Processing,
Journal Year:
2025,
Volume and Issue:
9(4), P. 129 - 129
Published: April 14, 2025
Three-dimensional
(3D)
bioprinting
using
biocompatible
polymers
has
emerged
as
a
revolutionary
technique
in
tissue
engineering
and
regenerative
medicine.
These
biopolymers
mimic
the
extracellular
matrix
(ECM)
enhance
cellular
behavior.
The
current
review
presents
recent
advancements
additive
manufacturing
processes
including
Stereolithography
(SLA),
Fused
Filament
Fabrication
(FFF),
Selective
Laser
Sintering
(SLS),
inkjet
printing.
It
also
explores
fundamentals
of
3D
printing
properties
for
bioprinting.
By
mixing
biopolymers,
enhancing
rheological
characteristics,
adding
bioactive
components,
further
have
been
made
organ
transplantation,
drug
development,
engineering.
As
research
progresses,
potential
to
fundamentally
transform
healthcare
system
is
becoming
obvious
clear.
However,
therapeutic
printed
structures
hindered
by
issues
such
material
anisotropy,
poor
mechanical
properties,
need
more
biodegradable
architectures.
Future
should
concentrate
on
optimizing
process
sophisticated
computational
techniques,
systematically
examining
characteristics
customizing
bioinks
different
cell
types,
exploring
sustainable
materials.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2024,
Volume and Issue:
12
Published: Nov. 12, 2024
Scaffold
porosity
is
a
critical
factor
in
replicating
the
complex
vivo
microenvironment,
directly
influencing
cellular
interactions,
migration,
nutrient
transfer,
vascularization,
and
formation
of
functional
tissues.
For
optimal
tissue
formation,
scaffold
design
must
account
for
various
parameters,
including
material
composition,
morphology,
mechanical
properties,
compatibility.
This
review
highlights
importance
interconnected
pore
size,
emphasizing
their
impact
on
behavior
across
several
engineering
domains,
such
as
skin,
bone,
cardiovascular,
lung
Specific
size
ranges
enhance
functionality
different
tissues:
small
pores
(∼1–2
µm)
aid
epidermal
cell
attachment
skin
regeneration,
moderate
(∼2–12
support
dermal
larger
(∼40–100
facilitate
vascular
structures.
bone
engineering,
multi-layered
scaffolds
with
smaller
(50–100
foster
attachment,
while
(200–400
diffusion
angiogenesis.
Cardiovascular
tissues
benefit
from
sizes
(∼25–60
to
balance
integration
diffusion.
By
addressing
challenges
optimizing
distributions,
this
provides
insights
into
innovations,
ultimately
advancing
regeneration
strategies.
Advanced Industrial and Engineering Polymer Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 1, 2024
Bio-based
polymers
have
garnered
significant
interest
across
the
manufacturing
industry,
global
economy,
and
various
engineering
disciplines
such
as
packaging,
tissue
engineering,
controlled
drug
delivery,
wound
dressing,
textiles.
In
current
era,
bio-based
polymers,
notably
polysaccharides,
offer
a
promising
platform
for
constructing
intricate
versatile
structures
in
biomedical
sector.
These
encompass
applications
regenerative
medicine
(TERM),
delivery
devices,
coatings
wearable
sensors,
thanks
to
their
distinctive
features
inherent
biocompatibility,
flexibility,
stretchability,
mechanical
strength,
renewability,
physiological
activity,
favorable
biological
environment.
this
review,
we
concise
overview
of
diverse
types
polysaccharide-based
composites,
properties,
interactions
with
specific
cells
tissues.
The
review
encompasses
recent
progress
scaffolds
designed
cartilage,
skin,
neural,
vascular,
cardiac,
bone
regeneration,
employing
both
conventional
modern
techniques.
Additionally,
it
delves
into
development
other
biodegradable
including
systems
(DDSs),
antibacterial
on
medical
electronic
devices
healthcare
Furthermore,
also
elucidates
research
directions
future
perspectives
while
emphasizing
importance
regulatory
approvals
commitment
environmental
sustainability.
This
well-organized
critical
is
expected
assist
practitioners
researchers
gaining
deeper
understanding
trends,
challenges,
potential
solutions,
thereby
harnessing
immense
biomaterials
system.
utilization
polysaccharides
sector
aligns
principles
nature,
contributing
reduction
carbon
dioxide
emissions
supporting
Sustainable
Development
Goals
United
Nations.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(29), P. 34570 - 34577
Published: July 11, 2023
The
aging
population
has
rapidly
driven
the
demand
for
bone
regeneration.
pore
structure
of
a
scaffold
is
critical
factor
that
affects
its
mechanical
strength
and
Triply
periodic
minimal
surface
gyroid
structures
similar
to
trabecular
are
considered
superior
strut-based
lattice
(e.g.,
grids)
in
terms
However,
at
this
stage,
only
hypothesis
not
supported
by
evidence.
In
study,
we
experimentally
validated
comparing
grid
scaffolds
composed
carbonate
apatite.
possessed
compressive
approximately
1.6-fold
higher
than
because
prevented
stress
concentration,
whereas
could
not.
porosity
was
scaffolds;
however,
generally
have
trade-off
relationship.
Moreover,
formed
more
twice
amount
as
critical-sized
defect
rabbit
femur
condyles.
This
favorable
regeneration
using
attributed
high
permeability
(i.e.,
larger
volume
macropores
or
porosity)
curvature
profile
structure.
Thus,
study
conventional
vivo
experiments
revealed
factors
led
hypothetical
outcome.
findings
expected
contribute
development
can
achieve
early
without
sacrificing
strength.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(8), P. 2629 - 2636
Published: Feb. 13, 2024
Atmospheric
water
harvesting
(AWH)
has
been
broadly
exploited
to
meet
the
challenge
of
shortage.
Despite
significant
achievements
AWH,
leakage
hydroscopic
salt
during
AWH
process
hinders
its
practical
applications.
Herein,
inspired
by
unique
selective
permeability
phospholipid
bilayer,
a
sandwich
structural
(hydrophobic–hydrophilic–hydrophobic)
polyacrylonitrile
nanofibrous
membrane
(San-PAN)
was
fabricated
for
AWH.
The
hydrophilic
inner
layer
loaded
with
LiCl
could
capture
from
air.
hydrophobic
microchannels
in
outer
selectively
allow
free
transmission
gaseous
molecules
but
confine
solution
layer,
achieving
continuous
and
recyclable
sorption/desorption.
As
demonstrated,
as-prepared
devices
presented
high-efficient
adsorption
kinetics
1.66
4.08
g
g–1
at
30%
90%
relative
humidity.
Thus,
this
work
strengthens
understanding
along
provides
insight
into
applications
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(12)
Published: Jan. 17, 2024
The
aging
global
population
is
generating
an
ever-increasing
demand
for
bone
regeneration.
Various
materials,
including
blocks,
granules,
and
sponges,
are
developed
However,
blocks
require
troublesome
shaping
exhibit
poor
bone-defect
conformities;
granules
migrate
into
the
surrounding
tissues
during
after
filling
of
defect,
causing
handling
difficulties
complications;
sponges
contain
polymers
that
subject
to
religious
restrictions,
lack
osteoconductivity,
may
cause
inflammation
allergies.
Herein,
carbonate
apatite
chains
overcome
limitations
conventional
materials
presented.
Although
migrate,
ectopic
calcification,
remain
in
defects
without
any
complications.
conform
defect
shape
transform
3D
porous
structures,
resulting
faster
regeneration
than
observed
using
granules.
Thus,
these
findings
indicate
even
traditional
calcium
phosphates
can
be
converted
state-of-the-art
via
control.
Journal of Materials Science Materials in Medicine,
Journal Year:
2025,
Volume and Issue:
36(1)
Published: Jan. 7, 2025
The
number
of
patients
with
bone
defects
caused
by
trauma
and
diseases
has
been
increasing
year
year.
treatment
remains
a
major
challenge
in
clinical
practice.
Bone
scaffolds
are
increasingly
favored
for
repairing
bones,
triply
periodic
minimal
surface
(TPMS)
emerging
as
popular
option
due
to
their
superior
performance.
aim
this
review
is
highlight
the
crucial
influence
pore
structure
on
properties
TPMS
scaffolds,
offering
important
insights
innovation
production.
It
briefly
examines
various
elements
that
such
shape,
porosity,
diameter,
curvature.
By
analyzing
these
elements,
serves
valuable
reference
upcoming
research
practical
implementations
field
tissue
engineering.
Advanced Engineering Materials,
Journal Year:
2023,
Volume and Issue:
25(17)
Published: June 16, 2023
Porosity
affects
performance
of
scaffolds
for
bone
tissue
engineering
both
in
vitro
and
vivo.
Macropores
(i.e.,
pores
with
a
diameter
>100
μm)
are
essential
cellular
infiltration;
micropores
1–10
promote
cell
adhesion
facilitate
nutrient
absorption.
Scaffolds
containing
macropores
exploit
the
advantages
pore
sizes
have
excellent
osteogenic
properties.
Nanopores
1–50
nm)
can
be
included
as
well,
to
improve
cell–material
interactions
by
further
enhancing
surface
area
scaffold.
This
article
reviews
fabrication
techniques
properties
multiscale
porosity,
focusing
on
glass,
ceramic,
polymeric,
composite
scaffolds.
After
discussing
structure
how
it
inspired
engineering,
nomenclature
is
introduced.
Then,
used
induce
nature
created,
effects
scaffold
porosity
mechanical
biological
activity
discussed.
The
review
concludes
providing
an
outlook
this
field,
including
advancements
that
made
possible
computational
modeling
artificial
intelligence.