Advanced Healthcare Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Medical
catheters
are
susceptible
to
biological
contamination
and
pathogen
invasion,
leading
infection
inflammatory
complications.
The
development
of
antimicrobial
coatings
for
medical
devices
has
emerged
as
a
promising
strategy.
However,
limited
functionality
the
incompatibility
between
bactericidal
properties
biosafety
remain
great
challenges.
Herein,
multifunctional
polymer
coating
(CPB-Ac)
is
created,
incorporating
an
ultrasonic-responsive
carbon
monoxide
release
unit
(CORM-Ac)
antifouling
treat
catheter-related
As-synthesized
CPB-Ac
can
be
stably
anchored
various
with
arbitrary
shapes
compositions
via
facile
UV
treatment.
Both
in
vivo
vitro
experiments
demonstrated
that
this
multi-functional
exhibits
anti-fouling,
anti-inflammatory,
broad-spectrum
antibacterial
activities
well
good
biosafety.
During
initial
implantation
phase,
units
effectively
inhibit
attachment
contaminants,
significantly
reducing
risk
thrombosis
bacterial
infection.
Once
occurs,
ultrasonic
irradiation
activate
CO
much
higher
amount
55.3
µm
than
non-ultrasound
controls,
therefore
rapidly
eliminating
bacteria
alleviating
response.
It
believed
work
may
provide
effective
method
next-generation
intelligent
against
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Abstract
As
maritime
transport
becomes
increasingly
important,
metal
corrosion
results
in
significant
economic
losses.
Superhydrophobic
materials
have
potential
for
prevention.
However,
poor
compatibility
between
superhydrophobic
and
resin
reduces
the
long‐term
resistance.
Interfacial
strengthening
cells
(IS‐Cells)
are
designed
to
maintain
superhydrophobicity
retain
active
hydroxyl
groups
participating
resin‐curing.
IS‐Cells
also
contribute
achieving
maze
effect.
A
novel
anti‐corrosion
IS
coating
is
fabricated
by
compatible
epoxy.
coatings
feature
smooth
surfaces
vertical
compactness,
protecting
against
liquid
gaseous
corrosive
medium.
Strong
diffusion
resistance
extended
distance
ensure
of
coatings.
Approximately
85
µm
remain
corrosion‐free
after
112
days
immersion
NaCl
solution.
The
low‐frequency
impedance,
self‐corrosion
potential,
current
density
1.68
×
10
9
Ω
cm
2
,
−0.0708
V,
5.38
−11
−
respectively.
can
withstand
2400
h
neutral
salt
spray
testing
without
artificial
scratches.
Due
electrostatic
repulsion
hydrophobic
C–F
chains
onto
protein
molecules,
anti‐fouling
properties
dry‐wet
tests
natural
marine
environment
90
days.
show
great
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 6, 2025
Marine
biofouling
negatively
impacts
marine
industries
and
ship
navigation.
However,
current
coatings
are
based
on
a
single
antifouling
mechanism,
which
is
insufficient
to
cope
with
the
complex
ever-changing
environment.
Herein,
multifunctional
were
developed
using
material
system
containing
perfluoropolyether
caprolactone
chains.
First,
an
acrylic
resin
side
chains
was
synthesized
as
liquid-repellent
component
then
degradable
cross-linked
network
constructed
by
bridging
polycaprolactone
Surprisingly,
not
only
effectively
improved
tensile
strength
but
also
provided
flexibility
resin.
Thus,
coating
exhibited
satisfactory
mechanical
stability
low
roughness
(4.06
nm)
during
dynamic
polishing.
It
worth
noting
that
surface
energy
(SE)
(22.0
mJ·m
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
review
presents
the
classification
and
healing
mechanisms
of
self-healing
materials,
with
an
emphasis
on
expounding
latest
progress
challenges
superhard
materials.
Abstract
Waterborne
superhydrophobic
emulsions
are
of
great
significance
in
terms
the
safety
and
sustainability
their
production
application.
Limited
by
fact
that
hydrophobic
polymers
susceptible
to
agglomeration
settling,
it
is
still
challenging
fabricate
stable
waterborne
emulsions.
Here,
an
oil‐in‐water
type
Pickering
emulsion
exploited
stabilize
oil‐water
surface
using
nanoparticles
as
emulsifier.
The
prepared
oil
droplets
cured
into
microspheres
via
in‐situ
pre‐cross‐linking
process,
thereby
forming
nanoparticle
emulsifiers
immobilized
on
microspheres’
endow
resulting
with
abundant
micro‐
nanostructures,
acquiring
ultrahigh
contact
angle
171°,
ultralow
rolling
1°.
imparts
superhydrophobicity
mechanical
chemical
durability,
enabling
separation,
anti‐icing,
anti‐corrosion
applications.
Moreover,
remain
highly
for
nine
months.
This
work
presents
a
scalable,
cost‐effective,
eco‐friendly
approach
design
emulsions,
opening
up
new
prospect
practical
application
