Polymers,
Год журнала:
2024,
Номер
16(7), С. 889 - 889
Опубликована: Март 24, 2024
The
development
of
high-performance
filtration
materials
is
essential
for
the
effective
removal
airborne
particles,
and
metal–organic
frameworks
(MOFs)
anchored
to
organic
polymer
matrices
are
considered
be
one
most
promising
porous
adsorbents
air
pollutants.
Nowadays,
filters
generally
based
on
synthetic
fiber
polymers
derived
from
petroleum
residues
have
limited
functionality,
so
use
MOFs
in
combination
with
nanofiber
has
received
a
lot
attention.
Here,
conjugated
electrostatic
spinning
method
demonstrated
one-step
preparation
poly(lactic
acid)
(PLA)
nanofibrous
membranes
bimodal
diameter
distribution
anchoring
Zeolitic
Imidazolate
Framework-8
(ZIF-8)
by
introduction
TiO2
situ
generation
construct
favorable
multiscale
fibers
rough
structures.
prepared
PLA/TZ
maintained
good
PM2.5
capture
efficiency
99.97%,
96.43%
PM0.3,
pressure
drop
96.0
Pa,
highest
quality
factor
being
0.08449
Pa−1.
Additionally,
ZIF-8
was
uniformly
generated
surface
PLA
nanofibers,
obtaining
roughened
structure
larger
specific
area.
An
enhanced
retention
effect
interactions,
as
well
active
free
radicals,
can
deep
inactivation
bacteria.
Compared
unmodified
membrane,
antibacterial
characteristics
induced
photocatalysis
Zn2+
release,
excellent
bactericidal
effects
against
S.
aureus
E.
coli.
Overall,
this
work
may
provide
approach
efficient
biomass-based
antimicrobial
properties.
Surfaces and Interfaces,
Год журнала:
2024,
Номер
51, С. 104761 - 104761
Опубликована: Июль 7, 2024
Polyetheretherketone
(PEEK)
is
a
widely
used
engineering
plastic
in
orthopedic
and
dental
implants,
but
its
bioinertness
leads
to
poor
bone
integration.
To
overcome
this,
sulfonation
treatment
was
applied
PEEK
first
create
rough,
microporous
surface
enhancing
cellular
adherence
Subsequently,
amorphous
magnesium
phosphate
(AMP)
nanosheets
were
produced
through
microwave-assisted
synthesis,
hydroxyapatite
(HA)
generated
using
bionic
solution
hydrothermal
method.
A
dual-layer
coating
system
composed
of
an
interlayer
AMP
top
layer
HA
on
the
developed
enhance
osteointegration.
Surface
analysis
confirms
creation
increased
area,
improved
hydrophilicity
with
introduced
hydrophilic
groups,
enhanced
protein
attraction.
In
vitro
assessments
mouse
embryonic
osteoblasts
(MC3T3-E1)
demonstrate
non-toxicity
these
coatings
their
efficacy
promoting
cell
proliferation.
Moreover,
antimicrobial
evaluations
against
E.
coli
S.
aureus
highlight
potential
composite
preventing
implant-related
infections.
The
AMP/HA
sulfonated
emerges
as
potent
method
for
osteointegration
antibacterial
properties,
offering
promising
approach
improve
repair
efficiency
clinical
applications.
