BioMedical Engineering OnLine,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: April 30, 2025
The
treatment
of
large
bone
defects
remains
a
significant
clinical
challenge
due
to
the
limitations
current
grafting
techniques,
including
donor
site
morbidity,
restricted
availability,
and
suboptimal
integration.
Recent
advances
in
3D
bioprinting
technology
have
enabled
fabrication
structurally
functionally
optimized
scaffolds
that
closely
mimic
native
tissue
architecture.
This
review
comprehensively
examines
latest
developments
3D-printed
for
regeneration,
focusing
on
three
critical
aspects:
(1)
material
selection
composite
design
encompassing
metallic;
(2)
structural
optimization
with
hierarchical
porosity
(macro/micro/nano-scale)
biomechanical
properties
tailored;
(3)
biological
functionalization
through
growth
factor
delivery,
cell
seeding
strategies
surface
modifications.
We
critically
analyze
scaffold
performance
metrics
from
different
research
applications,
while
discussing
translational
barriers,
vascular
network
establishment,
mechanical
stability
under
load-bearing
conditions,
manufacturing
scalability.
concludes
forward-looking
perspective
innovative
approaches
such
as
4D
dynamic
scaffolds,
smart
biomaterials
stimuli-responsive
properties,
integration
artificial
intelligence
patient-specific
optimization.
These
technological
advancements
collectively
offer
unprecedented
opportunities
address
unmet
needs
complex
reconstruction.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(6), P. 6527 - 6536
Published: Feb. 1, 2024
Tissue
engineering
is
currently
one
of
the
fastest-growing
areas
engineering,
requiring
fabrication
advanced
and
multifunctional
materials
that
can
be
used
as
scaffolds
or
dressings
for
tissue
regeneration.
In
this
work,
we
report
a
bilayer
material
prepared
by
electrospinning
hybrid
poly(vinyl
alcohol)
(PVA)
bacterial
cellulose
(BC
NFs)
(top
layer)
over
highly
interconnected
porous
3D
gelatin-PVA
hydrogel
obtained
freeze-drying
process
(bottom
layer).
The
techniques
were
combined
to
produce
an
with
synergistic
effects
on
physical
biological
properties
two
materials.
was
characterized
using
Fourier
transform
infrared
spectroscopy
(FTIR),
scanning
electron
microscopy
(SEM),
water
contact
measurement
system
(WCMS).
Studies
swelling,
degradability,
porosity,
drug
release,
cellular
antibacterial
activities
performed
standardized
procedures
assays.
FTIR
confirmed
cross-linking
both
top
bottom
layers,
SEM
showed
structure
layer,
random
deposition
NFs
surface,
aligned
in
cross
section.
angle
(WCA)
hydrophilic
surface
material.
Swelling
analysis
high
degradation
good
stability.
released
Ag-sulfadiazine
sustained
controlled
manner
against
severe
disease-causing
gram
+
ive
−ive
(Escherichia
coli,
Staphylococcus
aureus,
Pseudomonas
aeruginosa)
strains.
vitro
studies
fibroblasts
(3T3)
human
embryonic
kidneys
(HEK-293),
which
desirable
cell
viability,
proliferation,
adhesion
bilayer.
Thus,
effect
resulted
potential
wound
dressing
healing
soft
engineering.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(8), P. 5082 - 5106
Published: July 15, 2024
In
view
of
their
exceptional
approach,
excellent
inherent
biocompatibility
and
biodegradability
properties,
interaction
with
the
local
extracellular
matrix,
protein-based
polymers
have
received
attention
in
bone
tissue
engineering,
which
is
a
multidisciplinary
field
that
repairs
regenerates
fractured
bones.
Bone
multihierarchical
complex
structure,
it
performs
several
essential
biofunctions,
including
maintaining
mineral
balance
structural
support
protecting
soft
organs.
Protein-based
gained
interest
developing
ideal
scaffolds
as
emerging
biomaterials
for
healing
regeneration,
challenging
to
design
substitutes
perfect
biomaterials.
Several
polymers,
collagen,
keratin,
gelatin,
serum
albumin,
etc.,
are
potential
materials
due
cytocompatibility,
controlled
biodegradability,
high
biofunctionalization,
tunable
mechanical
characteristics.
While
numerous
studies
indicated
encouraging
possibilities
proteins
BTE,
there
still
major
challenges
concerning
stability
physiological
conditions,
continuous
release
growth
factors
bioactive
molecules.
Robust
derived
from
can
be
used
replace
broken
or
diseased
biocompatible
substitute;
proteins,
being
biopolymers,
provide
engineering.
Herein,
recent
developments
protein
cutting-edge
engineering
addressed
this
review
within
3–5
years,
focus
on
significant
future
perspectives.
The
first
section
discusses
fundamentals
anatomy
scaffolds,
second
describes
fabrication
techniques
scaffolds.
third
highlights
importance
applications
BTE.
Hence,
development
state-of-the-art
has
been
discussed,
highlighting
Arabian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
17(10), P. 105968 - 105968
Published: Aug. 17, 2024
Hydrogels
are
three-dimensional
structures
that
serve
as
substitutes
for
the
extracellular
matrix
(ECM)
and
possess
outstanding
physicochemical
biochemical
characteristics.
They
gaining
importance
in
regenerative
medicine
because
of
their
similarity
to
natural
terms
moisture
content
wound
tissue
healing
permeability.
Tissue
engineering
advancements
have
resulted
development
flexible
hydrogels
mimic
dynamic
characteristics
ECM.
Several
approaches
been
applied
produce
from
biopolymers
with
enhanced
functional
structural
different
applications
(TERM).
This
review
provides
a
comprehensive
overview
hydrogel
healing,
engineering,
drug
delivery
systems.
We
outline
types
based
on
physical
chemical
crosslinking,
fundamental
properties,
TERM.
article
provided
recent
literature
within
five
years.
Recent
developments
biopolymer-based
state-of-the-art
discussed,
emphasizing
significant
challenges
future
perspectives.
Discover Nano,
Journal Year:
2024,
Volume and Issue:
19(1)
Published: May 9, 2024
Biomedical
nanocomposites,
which
are
an
upcoming
breed
of
mischievous
materials,
have
ushered
in
a
new
dimension
the
healthcare
sector.
Incorporating
these
materials
tends
to
boost
features
this
component
already
possesses
and
give
might
things
components
could
not
withstand
alone.
The
biopolymer,
carries
nanoparticles,
can
simultaneously
improve
composite's
stiffness
biological
characteristics,
vice
versa.
This
increases
options
composite
number
times
it
be
used.
bio-nanocomposites
nanoparticles
enable
ecocompatibility
medicine
their
biodegradability,
they,
way,
ecological
sustainability.
outcome
is
improved
properties
its
associated
positive
impact
on
environment.
They
broad
applications
antimicrobial
agents,
drug
carriers,
tissue
regeneration,
wound
care,
dentistry,
bioimaging,
bone
filler,
among
others.
dissertation
elements
emphasizes
production
techniques,
diverse
medicine,
match-up
issues,
future-boasting
prospects
field.
Through
utilization
such
scientists
develop
more
suitable
for
environment
healthy
biomedical
solutions,
world
way
improves
as
well.
Materials Today Bio,
Journal Year:
2025,
Volume and Issue:
30, P. 101436 - 101436
Published: Jan. 5, 2025
Well-designed
artificial
scaffolds
are
urgently
needed
due
to
the
limited
self-repair
capacity
of
bone,
which
hampers
effective
regeneration
in
critical
defects.
Optimal
must
provide
physical
guidance
recruit
cells
and
immune
regulation
improve
regenerative
microenvironment.
This
study
presents
a
novel
scaffold
composed
dual-sided
centripetal
microgrooved
poly(D,L-lactide-co-caprolactone)
(PLCL)
film
combined
with
dynamic
hydrogel
containing
prednisolone
(PLS)-loaded
Prussian
blue
nanoparticles
(PB@PLS).
The
microgrooves
on
surface
PLCL
were
imprinted
using
micropatterned
polydimethylsiloxane
(PDMS)
template.
Following
aminolysis,
was
covalently
grafted
EM-7
peptide
via
glutaraldehyde.
Functional
group
analysis,
morphology
hydrophilicity
evaluated
X-ray
photoelectron
spectroscopy
(XPS),
scanning
electron
microscopy
(SEM),
an
optical
contact
angle
measuring
instrument,
respectively.
Bone
regeneration-related
(e.g.,
bone
marrow
mesenchymal
stem
cells,
macrophages,
Schwann
endothelial
cells)
cultured
films
tended
align
along
stripes
migrate
from
periphery
toward
center
region
vitro.
Subsequently,
encapsulated
immune-regulating
synthesized
thiol-modified
gelatin
Cu2+
presence
PB@PLS
nanoparticles,
demonstrated
excellent
antioxidant
properties.
significantly
accelerated
critical-sized
regeneration,
as
evidenced
by
increase
volume
newly
formed
histological
images
vivo.
innovative
approach
holds
substantial
promise
for
clinical
applications
broader
tissue
repair.
Aggregate,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 9, 2025
ABSTRACT
The
repair
and
functional
reconstruction
of
bone
defects
resulting
from
trauma,
surgical
resection,
degenerative
diseases,
congenital
malformations
are
major
clinical
challenges.
Bone
tissue
engineering
has
significant
advantages
in
the
treatment
severe
defects.
Vascularized
scaffolds
gradually
attracting
attention
development
because
their
excellent
biomimetic
properties
efficient
efficiency.
Three‐dimensional
(3D)
printing
technology,
which
can
be
used
to
fabricate
structures
at
different
scales
using
a
wide
range
materials,
been
production
vascularized
scaffolds.
This
review
discusses
research
progress
3D
for
Angiogenesis‐osteogenesis
coupling
regeneration
process
is
first
introduced,
followed
by
summary
technologies,
inks,
bioactive
factors
Notably,
this
focuses
on
structural
design
strategies
Finally,
application
medicine,
as
well
challenges
outlooks
future
development,
described.
Biomedical Materials,
Journal Year:
2024,
Volume and Issue:
19(5), P. 052001 - 052001
Published: July 8, 2024
Abstract
Wound
healing
is
a
critical
but
complex
biological
process
of
skin
tissue
repair
and
regeneration
resulting
from
various
systems
working
together
at
the
cellular
molecular
levels.
Quick
wound
problems
associated
with
traditional
techniques
are
being
overcome
multifunctional
materials.
Over
time,
this
research
area
has
drawn
significant
attention.
Metal-organic
frameworks
(MOFs),
owning
to
their
peculiar
physicochemical
characteristics,
now
considered
promising
class
well-suited
porous
materials
for
in
addition
other
applications.
This
detailed
literature
review
provides
an
overview
latest
developments
MOFs
We
have
discussed
synthesis,
essential
biomedical
properties,
wound-healing
mechanism,
MOF-based
dressing
materials,
The
possible
major
challenges
limitations
been
discussed,
along
conclusions
future
perspectives.
addresses
MOFs-based
several
angles
covers
most
current
subject.
readers
may
discover
how
advanced
discipline
by
producing
more
inventive,
useful,
successful
dressings.
It
influences
development
generations
biomaterials
wounds.
Journal of Biomaterials Science Polymer Edition,
Journal Year:
2024,
Volume and Issue:
35(15), P. 2402 - 2445
Published: July 17, 2024
Protein-based
wound
dressings
have
garnered
increasing
interest
in
recent
years
owing
to
their
distinct
physical,
chemical,
and
biological
characteristics.
The
intricate
molecular
composition
of
proteins
gives
rise
unique
characteristics,
such
as
exceptional
biocompatibility,
biodegradability,
responsiveness,
which
contribute
the
promotion
healing.
Wound
healing
is
an
ongoing
process
influenced
by
multiple
causes,
it
consists
four
phases.
Various
treatments
been
developed
repair
different
types
skin
wounds,
thanks
advancements
medical
technology
recognition
diverse
nature
wounds.
This
review
has
literature
reviewed
within
last
3-5
years-the
progress
development
protein
fundamental
properties
ideal
dressing.
Herein,
strides
protein-based
state-of-the-art
dressing
emphasize
significant
challenges
summarize
future
perspectives
for
applications.