Biomacromolecules,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 13, 2024
As
a
renewable
alternative
heat
source,
the
inherently
intermittent
feature
of
solar
energy
needs
to
be
coordinated
by
reliable
conversion
and
storage
systems
for
utilizing
most
abundant
energy.
Phase
change
materials
(PCMs)
are
supposed
advanced
mediums
storing
great
deal
generated
light.
However,
PCMs
cannot
effectively
absorb
utilize
due
leakage,
low
photothermal
efficiency,
poor
thermal
conductivity.
Herein,
we
developed
collagen-based
aerogel
modified
dialdehyde
carboxymethyl
cellulose
polydopamine-modified
two-dimensional
transition-metal
carbide/nitride
(MXene@PDA)
through
bidirectional
freeze-drying
technology
supporting
PCMs,
which
exhibited
anisotropy
in
structure
properties.
In
particular,
conductivity
was
0.0871
W/(m·K)
axial
direction
0.0504
radial
direction,
demonstrating
its
anisotropic
insulation
performance.
Moreover,
final
composite
had
been
obtained
via
impregnating
matrix
into
polyethylene
glycol
(PEG)
hydrophobic
treatment
polydimethylsiloxane,
outstanding
solar-thermal
ability,
good
capacity,
leakage-proof
property,
antifouling
The
loading
rate
PEG
as
high
92.2%,
melting
enthalpy
132.6
J/g.
Most
importantly,
water
contact
angle
evaluated
156.8°,
indicating
superior
This
material
has
intensive
application
prospects
fields
collection,
conversion,
storage.
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
13(27)
Опубликована: Июль 7, 2024
Abstract
The
limited
and
unstable
absorption
of
excess
exudate
is
a
major
challenge
during
the
healing
infected
wounds.
In
this
study,
highly
stable,
multifunctional
Janus
dressing
with
unidirectional
transfer
capacity
fabricated
based
on
single
poly(lactide
caprolactone)
(PLCL).
success
method
relies
an
acid
hydrolysis
reaction
that
transforms
PLCL
fibers
from
hydrophobic
to
hydrophilic
in
situ.
resulting
interfacial
affinity
between
hydrophilic/phobic
endows
structure
excellent
liquid
high
structural
stability
against
repeated
stretching,
bending,
twisting.
Various
other
functions,
including
wound
status
detection,
antibacterial,
antioxidant,
anti‐inflammatory
properties,
are
also
integrated
into
by
incorporating
phenol
red
epigallocatechin
gallate.
An
vivo
methicillin‐resistant
Staphylococcus
aureus
‐infected
model
confirms
dressing,
capability
remove
site,
not
only
facilitates
epithelialization
collagen
deposition,
but
ensures
low
inflammation
angiogenesis,
thus
reaching
ideal
closure
rate
up
98.4%
day
14.
simple
structure,
multiple
easy
fabrication
may
offer
promising
strategy
for
treating
chronic
wounds,
rooted
challenges
bacterial
infection,
excessive
exudate,
persistent
inflammation.
In
recent
years,
the
use
of
MXenes,
a
class
two-dimensional
materials
composed
transition
metal
carbides,
nitrides,
or
carbonitrides,
has
shown
significant
promise
in
field
skin
wound
healing.
This
review
explores
multifunctional
properties
focusing
on
their
electrical
conductivity,
photothermal
effects,
and
biocompatibility
this
field.
MXenes
have
been
utilized
to
develop
advanced
healing
devices
such
as
hydrogels,
patches,
smart
bandages
for
examination.
These
offer
enhanced
antibacterial
activity,
promote
tissue
regeneration,
provide
real-time
monitoring
parameters.
The
highlights
synthesis
methods,
chemical
features,
biological
effects
emphasizing
role
innovative
repair
strategies.
Additionally,
it
discusses
potential
MXene-based
sensors
humidity,
pH,
temperature
monitoring,
which
are
crucial
preventing
infections
complications
integration
into
wearable
represents
advancement
management,
promising
improved
clinical
outcomes
quality
life
patients.
Materials Research Letters,
Год журнала:
2023,
Номер
12(2), С. 67 - 87
Опубликована: Дек. 19, 2023
MXenes,
as
a
new
type
of
two-dimensional
nanomaterial,
have
great
potential
for
biomedical
applications
due
to
their
unique
structural
features
and
excellent
physicochemical
properties.
In
recent
years,
numerous
studies
demonstrated
that
MXenes
materials
also
possess
good
antibacterial,
anti-inflammatory,
antioxidant
activities,
which
has
greatly
promoted
the
development
in
field
tissue
engineering
skin
regeneration.
A
series
emerging
on
introduction
into
wound
dressings
significantly
advanced
research
progress
novel
dressings.
This
review
provides
brief
overview
application
healing,
focusing
properties
healing
specific
dressings,
well
some
suggestions
opinions
future
development.