Journal of Biomaterials Science Polymer Edition,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 26
Published: Dec. 15, 2024
The
implant
surface
chemistry
and
topography
are
primary
factors
regulating
the
success
survival
of
bone
scaffold.
Surface
modification
is
a
promising
alternative
to
enhance
biocompatibility
tissue
response
augment
osteogenic
functionalities
polyesters
like
PLA.
study
employed
synergistic
effect
alkaline
hydrolysis
polydopamine
(PDA)
functionalization
cell-material
interactions
on
3D
printed
polylactic
acid
(PLA)
Comprehensive
characterization
modified
PLA
highlights
improvements
in
physical,
chemical
upon
two-step
modification.
X-ray
photoelectron
spectroscopy
(XPS)
analysis
substantiated
enhanced
PDA
deposition
with
Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials,
Journal Year:
2024,
Volume and Issue:
157, P. 106646 - 106646
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(2), P. 2791 - 2813
Published: Jan. 6, 2025
Transplantation
of
bone
implants
is
currently
recognized
as
one
the
most
effective
means
treating
defects.
Biobased
and
biodegradable
polyester
composites
combine
good
mechanical
degradable
properties
polyester,
thereby
providing
an
alternative
for
implant
materials.
Bone
tissue
engineering
(BTE)
accelerates
defect
repair
by
simulating
microenvironment.
Composite
scaffolds
support
formation
further
accelerate
process
repair.
The
introduction
3D
printing
technology
enables
preparation
to
be
more
precise,
reproducible,
flexible,
which
a
very
promising
development.
This
review
presents
physical
BTE
summarizes
strategies
adopted
domestic
international
scholars
improve
based
on
biobased
polyester/ceramic
in
recent
years.
In
addition,
future
development
prospects
field
challenges
expanding
production
clinical
applications
are
presented.
Polymers for Advanced Technologies,
Journal Year:
2025,
Volume and Issue:
36(1)
Published: Jan. 1, 2025
ABSTRACT
This
investigation
aims
to
fabricate
scaffolds
consisting
of
gelatin/polylactic
acid/bredigite
composites
for
bone
tissue
regeneration.
In
this
regard,
porous
were
created
using
the
freeze–drying
technique.
To
determine
structure
and
assess
successful
synthesis
samples,
x‐ray
diffraction
(XRD)
Fourier
transform
infrared
(FTIR)
analyses
conducted.
The
morphological
properties
polymeric
bredigite
(0,
2.5,
5,
7.5
wt%)
incorporated
examined
field‐emission
scanning
electron
microscopy
(FE‐SEM).
evaluation
mechanical
revealed
that
addition
5
wt%
1Gel3PLA
scaffold
increased
compressive
strength
from
0.30–0.35
>
0.57
MPa.
Regarding
porosity,
decreasing
Gel:PLA
ratio
1:3
1:2
while
maintaining
constant
gelatin
content
porosity
58.3%
71.4%,
consistently
decreased
across
all
scaffolds.
in
vitro
bioactivity
assessment,
carried
out
simulated
body
fluid
(SBF),
demonstrated
formation
an
apatite
layer
on
surface
composite
after
immersion
SBF.
results
MTT
test
showed
as
amount
particles
wt%,
cell
viability
also
periods
(higher
than
90%
viability).
interaction
between
cells
was
by
culturing
human
osteoblastic
line
(MG‐63)
scaffolds,
revealing
a
higher
proliferation
deposition
minerals
bredigite‐containing
those
without
bredigite.
These
collectively
suggest
Gel‐PLA‐5
holds
promise
osteoconductive
material
applications
regenerating
tissue.
Advanced Engineering Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
This
review
aims
to
summarize
recent
advances
in
3D
printing
technologies
for
polymer‐based
bone
scaffolds,
focusing
on
material
applications
and
clinical
implications.
The
applicable
different
materials
are
discussed
with
their
characteristics
application
advantages,
specifically
the
common
techniques
polymer
used.
Recent
of
3D‐printed
scaffolds
multifunctionality
(i.e.,
drug
delivery,
regeneration
minimally
invasive
implantation)
then
presented
provide
guidance
potential
applications.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(11), P. 4358 - 4358
Published: May 21, 2024
In
contemporary
logistics,
the
deployment
of
fixed-wing
unmanned
aerial
vehicles
(UAVs)
as
a
transportation
platform
is
experiencing
rapid
advancements,
garnering
substantial
application
within
numerous
logistic
operations
with
pronounced
efficacies.
There
are
notable
impediments
to
utilization
commercial
logistic-oriented
UAVs,
including
elevated
procurement
and
maintenance
costs,
extensive
intervals,
unsuitability
for
small-volume,
low-altitude
transport
tasks.
These
factors
collectively
exacerbate
risk
associated
enterprise
elevate
cost–benefit
ratio.
This
study
introduces
design
fabrication
cost-efficient
UAV
delivery
purposes,
constructed
primarily
from
cost-effective
wood
materials.
engineered
ferry
payloads
up
1000
g
across
predefined
route
at
an
altitude
40
m.
Upon
reaching
designated
location,
programmed
initiate
identification
drop
zone,
thereafter
descending
facilitate
release
cargo.
To
mitigate
impact
force
during
landing
phase,
payload
was
encapsulated
sponge-damping
layer,
thereby
preserving
integrity
transported
items.
The
empirical
findings
outdoor
trials
underscore
UAV’s
ability
precisely
execute
drops
targeted
locations,
confirming
its
potential
fulfill
logistical
requirements
small-volume
items
in
cost-effective,
framework.
investigation
contributes
burgeoning
discourse
on
leveraging
ultra-low-cost
UAVs
offering
feasible
solution
challenges
cost
efficiency
UAV-operated
systems.
