Metals,
Год журнала:
2024,
Номер
14(8), С. 901 - 901
Опубликована: Авг. 8, 2024
Ti-13Nb-13Zr-7Ag
(TNZ-7Ag)
has
a
great
potential
for
biomedical
application
due
to
its
low
elastic
modulus
and
excellent
antibacterial
properties.
However,
it
is
difficult
balance
high
In
this
study,
the
TNZ-7Ag
was
treated
by
pre-deformation
aging
treatment
avoid
problem.
The
results
proved
that
stress-induced
twinning
caused
large
range
of
Ti2Ag
particle
agglomeration,
in
turn
enhanced
performance
Ag-containing
titanium
alloys.
And
twinned
martensite
formed
during
promoted
precipitation
phase
inhibited
growth
α
phase.
As
result,
with
both
strong
properties
obtained
treatments.
All
demonstrated
based
on
synergistic
effect
an
effective
strategy
develop
novel
Low-elastic-modulus
alloys,
which
can
be
used
development
were
prepared.
Materials & Design,
Год журнала:
2023,
Номер
237, С. 112569 - 112569
Опубликована: Дек. 10, 2023
Bone
implants
that
promote
osseointegration
and
have
antimicrobial
capabilities
are
necessary
to
ensure
optimal
long-term
functionality
of
implants.
In
this
study,
a
porous
composite
osteogenic
scaffold
was
prepared
using
twin-screw
extruder
fused
deposition
modeling
three-dimensional
(3D)
printer.
A
polydopamine
(PDA)
coating
used
load
graphdiyne
oxide
(GDYO)
on
the
surface
3D
printed
polyetherimide-tricalcium
phosphate
(PEI-TCP)
through
π–π
double-bond
interactions.
The
resulting
P-T-GDYO
characterized,
its
mechanical
properties,
ability
differentiation,
light-responsive
antibacterial
activity
were
evaluated.
When
doped
with
10
wt%
β-TCP,
properties
remained
in
range
those
cancellous
bone.
terms
promoted
adhesion
differentiation
MC3T3-E1
cells,
as
well
effectively
promoting
endogenous
bone
regeneration
rabbit
femoral
condyle
defects
osteogenesis
experiments
vivo.
mouse
subcutaneous
infection
model,
after
near-infrared
light
irradiation,
showed
an
rate
90.18
%
against
Staphylococcus
aureus,
while
maintaining
good
tissue–organ
compatibility.
This
study
represents
important
development
GDYO-based
photothermal
materials
field
orthopedics
expands
application
biomedical
field.
Journal of Orthopaedic Surgery and Research,
Год журнала:
2023,
Номер
18(1)
Опубликована: Ноя. 10, 2023
Implant-related
infections
are
a
challenging
complication
of
orthopedic
surgery,
primarily
due
to
the
formation
bacterial
biofilms
on
implant
surface.
An
antibacterial
coating
for
titanium
implants
was
developed
provide
novel
insights
into
prevention
and
treatment
implant-related
infections.Titanium
plates
were
coated
with
TiO2
nanotubes
by
anodization,
iodine
doped
onto
via
electrophoretic
deposition.
The
obtained
characterized
using
range
analytical
techniques.
Subsequently,
Staphylococcus
aureus
inoculated
surfaces
untreated
(control
group),
TiO2-nanocoated
(TiO2
iodine-doped
(I-TiO2
group)
compare
their
properties.Twenty-four
hour
in
vitro
antimicrobial
activity
test
I-TiO2
group
against
superior
those
other
groups,
this
difference
statistically
significant
(P
<
0.05).This
technology
provides
new
theoretical
basis
development
anti-infective
orthopedics.
Objective:
The
objective
of
this
paper
was
to
provide
an
overview
the
current
knowledge
and
highlight
areas
where
further
research
is
needed
address
limitations
enhance
understanding
silver-based
biomaterials
in
dental
practice.
Methods:
A
comprehensive
literature
review
conducted
evaluate
existing
on
dentistry.
Relevant
articles
were
collected
from
electronic
databases,
including
PubMed,
Web
Science
Scopus.
identified
critically
analyzed
identify
that
require
investigation.
Results:
revealed
several
gaps
application
use
First,
there
a
need
for
long-term
clinical
studies
performance
durability
various
applications,
restorative
materials,
implant
coatings
orthodontics.
Additionally,
focusing
biocompatibility
tissue
response
are
required
ensure
their
safety
minimize
potential
adverse
effects.
deeper
mechanisms
action
biomaterials,
release
silver
ions
interaction
with
oral
microorganisms,
would
valuable
insights
decision
making.
Conclusions:
Despite
growing
interest
dentistry,
issues
be
addressed
fully
explore
capabilities
limitations.
Long-term
trials,
investigations
into
necessary
expand
base
effectiveness,
improved
patient
outcomes.
Metals,
Год журнала:
2024,
Номер
14(8), С. 901 - 901
Опубликована: Авг. 8, 2024
Ti-13Nb-13Zr-7Ag
(TNZ-7Ag)
has
a
great
potential
for
biomedical
application
due
to
its
low
elastic
modulus
and
excellent
antibacterial
properties.
However,
it
is
difficult
balance
high
In
this
study,
the
TNZ-7Ag
was
treated
by
pre-deformation
aging
treatment
avoid
problem.
The
results
proved
that
stress-induced
twinning
caused
large
range
of
Ti2Ag
particle
agglomeration,
in
turn
enhanced
performance
Ag-containing
titanium
alloys.
And
twinned
martensite
formed
during
promoted
precipitation
phase
inhibited
growth
α
phase.
As
result,
with
both
strong
properties
obtained
treatments.
All
demonstrated
based
on
synergistic
effect
an
effective
strategy
develop
novel
Low-elastic-modulus
alloys,
which
can
be
used
development
were
prepared.
