ACS Applied Bio Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 27, 2025
Piezoelectricity
is
reported
to
be
able
promote
bone
scaffolds
with
excellent
osteogenic
performance.
Herein,
barium
titanate/β-tricalcium
phosphate
(BTO/β-TCP)
piezoelectric
composite
were
3D
printed,
and
their
performances
investigated
in
detail.
The
fabrication
of
BTO/β-TCP
employed
cutting-edge
DLP
printing
technology.
scaffolds,
featuring
a
triply
periodic
minimal
surface
(TPMS)
design
porosity
60%,
offered
unique
structural
framework.
A
comprehensive
assessment
the
composition,
properties,
mechanical
characteristics
was
conducted.
Notably,
an
increase
BTO
volume
fraction
from
50
80
vol
%
within
led
reduction
compressive
strength,
decreasing
2.47
1.74
MPa.
However,
this
variation
accompanied
by
substantial
enhancement
constant
d33,
soaring
1.4
pC/N
21.6
pC/N.
Utilizing
mouse
osteoblasts
(MC3T3-E1)
live/dead
cell
staining
assay,
under
influence
external
ultrasound,
demonstrated
commendable
biocompatibility
these
ceramic
scaffolds.
Furthermore,
thorough
analyses
alkaline
phosphatase
(ALP)
activity
polymerase
chain
reaction
(PCR)
findings
provided
compelling
evidence
scaffolds'
superior
underpinning
effectiveness
at
cellular
protein
gene
levels.
In
conclusion,
study
offers
groundbreaking
strategy
for
employment
implant
applications,
harnessing
blend
biocompatibility,
piezoelectricity,
potential.
Lubricants,
Год журнала:
2025,
Номер
13(3), С. 112 - 112
Опубликована: Март 5, 2025
Additive
manufacturing
technology
has
the
advantages
of
precise
manufacturing,
high
levels
customization,
and
large-scale
molding;
it
can
achieve
design
complex
geometric
structures
structural/functional
integrated
components,
which
is
difficult
to
realize
using
traditional
technology,
especially
for
different
tribological
applications.
Ceramic
materials
are
widely
used
in
industries
such
as
high-end
aviation,
aerospace,
energy,
biomedicine
due
their
excellent
wear
resistance,
temperature
stability,
hardness.
The
properties
ceramic
parts
determine
versatility
durability
during
application
process.
rise
additive
field
ceramics
opened
up
possibility
creating
with
friction
overcoming
limitations
processes.
Although
several
studies
on
3D
printing
wear-resistant/self-lubricating
metal-
or
polymer-based
have
been
published,
there
until
now
no
comprehensive
review
advanced
structural
composites
purpose
reducing
enhancing
wear-resistant
properties.
This
article
discusses
currently
processes,
tribology,
how
combination
these
two
improve
components
from
perspective
micro-
macrostructures.
Finally,
specific
applications
additively
manufactured
various
industrial
biomedical
fields
also
introduced.
Additive manufacturing,
Год журнала:
2023,
Номер
74, С. 103720 - 103720
Опубликована: Июль 1, 2023
The
ability
to
fabricate
highly
porous
bioceramic
scaffolds
with
triply
periodic
minimal
surface
(TPMS)
lattices
that
mimic
the
architecture
of
trabecular
bone
has
been
a
limitation
in
ceramic
additive
manufacturing.
present
paper
describes
vat-photopolymerization
technique
using
high-resolution
liquid
crystal
display
(LCD),
as
dynamic
mask-generator,
manufacture
TPMS
constructs
porosities
above
90%,
pore
sizes
below
200
µm,
and
minimum
wall
thickness
38
µm.
We
systematically
investigate
effects
mechanisms
processing
variables,
including
refractive
index
particle
size
distribution
powders
on
cure
depth
photosensitive
slurries
dimensional
accuracy
prints
made
from
hydroxyapatite
baghdadite
(Ca6Zr2(Si2O7)2O4).
Our
results
demonstrate
difference
between
solid
particles
resin
is
critical
factor
dictating
print
quality
accuracy.
Additionally,
we
showed
irrespective
composition,
reducing
9.0
μm
(d50)
0.5
(d50),
enhances
finish,
while
decreasing
smallest
feature
can
be
achieved.
This
study
presents
LCD
robust
effective
alternative
conventional
stereolithography
techniques
(i.e,
digital
light
scanning
stereolithography)
for
3D
fabrication
manufacturing
implementation
advanced
topological
optimizations
production
patient-specific
implants.
Chemical Reviews,
Год журнала:
2024,
Номер
124(6), С. 3608 - 3643
Опубликована: Март 18, 2024
The
rapid
advancement
of
intelligent
manufacturing
technology
has
enabled
electronic
equipment
to
achieve
synergistic
design
and
programmable
optimization
through
computer-aided
engineering.
Three-dimensional
(3D)
printing,
with
the
unique
characteristics
near-net-shape
forming
mold-free
fabrication,
serves
as
an
effective
medium
for
materialization
digital
designs
into
usable
devices.
This
methodology
is
particularly
applicable
gas
sensors,
where
performance
can
be
collaboratively
optimized
by
tailored
each
internal
module
including
composition,
microstructure,
architecture.
Meanwhile,
diverse
3D
printing
technologies
realize
modularized
fabrication
according
application
requirements.
integration
artificial
intelligence
software
systems
further
facilitates
output
precise
dependable
signals.
Simultaneously,
self-learning
capabilities
system
also
promote
hardware,
fostering
continuous
improvement
sensors
dynamic
environments.
review
investigates
latest
studies
on
3D-printed
sensor
devices
relevant
components,
elucidating
technical
features
advantages
different
processes.
A
general
testing
framework
evaluation
customized
proposed.
Additionally,
it
highlights
superiority
challenges
providing
a
comprehensive
reference
material
adjustments,
structure
design,
process
modifications
advanced
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 12, 2024
The
intriguing
biomineralization
process
in
nature
endows
the
mineralized
biological
materials
with
intricate
microarchitected
structures
a
facile
and
orderly
way,
which
provides
an
inspiration
for
processing
ceramics.
Here,
we
propose
simple
efficient
manufacturing
to
fabricate
cellular
ceramics
programmed
cell-based
3D
configurations,
inspired
by
of
diatom
frustule.
Our
approach
separates
ingredient
synthesis
from
architecture
building,
enabling
programmable
various
cell
sizes,
geometries,
densities,
metastructures,
constituent
elements.
exploits
surface
tension
capture
precursor
solutions
architected
lattices,
allowing
us
control
liquid
geometry
manufacture
high
precision.
We
investigate
parameters
lattices
assembled
unit
cells
columns,
both
theoretically
experimentally,
guide
fluid
interface
creation
arranged
configurations.
series
globally
locally
compact
piezoceramics,
obtaining
enhanced
piezoelectric
constant
designed
anisotropy.
This
bioinspired,
tension-assisted
has
potential
revolutionize
design
multifarious
ceramic
structural
functional
applications
energy,
electronics
biomedicine.
International Journal of Oral Science,
Год журнала:
2024,
Номер
16(1)
Опубликована: Окт. 31, 2024
Abstract
The
reconstruction
of
craniomaxillofacial
bone
defects
remains
clinically
challenging.
To
date,
autogenous
grafts
are
considered
the
gold
standard
but
present
critical
drawbacks.
These
shortcomings
have
driven
recent
research
on
to
focus
synthetic
with
distinct
materials
and
fabrication
techniques.
Among
various
methods,
additive
manufacturing
(AM)
has
shown
significant
clinical
potential.
AM
technologies
build
three-dimensional
(3D)
objects
personalized
geometry
customizable
from
a
computer-aided
design.
layer-by-layer
3D
biomaterial
structures
can
support
formation
by
guiding
cell
migration/proliferation,
osteogenesis,
angiogenesis.
Additionally,
these
be
engineered
degrade
concomitantly
new
tissue
formation,
making
them
ideal
as
grafts.
This
review
delves
into
key
advances
bioceramic
grafts/scaffolds
obtained
printing
for
reconstruction.
In
this
regard,
relevant
topics
such
ceramic-based
biomaterials,
graft/scaffold
characteristics
(macro/micro-features),
material
extrusion-based
printing,
step-by-step
workflow
engineer
discussed.
Importantly,
in
vitro
models
highlighted
conjunction
thorough
examination
signaling
pathways
reported
when
investigating
bioceramics
their
effect
cellular
response/behavior.
Lastly,
we
summarize
potential
translation
opportunities
regeneration.
