Advanced Healthcare Materials,
Journal Year:
2023,
Volume and Issue:
13(4)
Published: Nov. 11, 2023
Abstract
Conductive
hydrogels
(CHs)
are
promising
alternatives
for
electrical
stimulation
of
cells
and
tissues
in
biomedical
engineering.
Wound
healing
immunomodulation
complex
processes
that
involve
multiple
cell
types
signaling
pathways.
3D
printable
conductive
have
emerged
as
an
innovative
approach
to
promote
wound
modulate
immune
responses.
CHs
can
facilitate
mechanical
stimuli,
which
be
beneficial
altering
cellular
metabolism
enhancing
the
efficiency
delivery
therapeutic
molecules.
This
review
summarizes
recent
advances
their
effect
on
macrophage
polarization.
report
also
discusses
properties
various
materials
used
fabricate
stimulate
Furthermore,
this
highlights
challenges
limitations
using
future
material
discovery.
Overall,
hold
excellent
potential
accelerating
responses,
lead
development
new
strategies
skin
immune‐related
diseases.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(21), P. 22015 - 22034
Published: Oct. 20, 2023
Developing
injectable
antiswelling
and
high-strength
bioactive
hydrogels
with
wet
tissue
adhesiveness
a
rapid
gelling
process
to
meet
the
requirements
for
hemostasis,
sutureless
wound
closure,
scar-free
repair
of
infected
skin
wounds
continues
have
ongoing
challenges.
Herein,
injectable,
antibacterial,
antioxidant
hydrogel
adhesives
based
on
poly(citric
acid-co-polyethylene
glycol)-g-dopamine
amino-terminated
Pluronic
F127
(APF)
micelles
loaded
astragaloside
IV
(AS)
are
prepared.
The
H2O2/horseradish
peroxidase
(HRP)
system
is
used
cause
cross-linking
network
through
oxidative
coupling
between
catechol
groups
chemical
group
amino
group.
exhibit
process,
high
mechanical
strength,
an
effect,
good
property,
H2O2
release
behavior,
degradability.
In
addition,
present
adhesiveness,
bursting
pressure,
excellent
antibacterial
activity,
long-term
sustained
AS,
biocompatibility.
perform
hemostasis
mouse
liver,
rat
rabbit
femoral
vein
bleeding
models
achieve
much
better
closure
healing
incisions
than
biomedical
glue
surgical
sutures.
Furthermore,
dressing
significantly
improved
MRSA-infected
full
thickness
defect
by
modulating
inflammation,
regulating
ratio
collagen
I/III,
improving
vascularization
granulation
formation.
Thus,
AS-loaded
show
huge
potential
as
multifunctional
dressings
in
vivo
wounds.
Materials Horizons,
Journal Year:
2023,
Volume and Issue:
11(1), P. 37 - 101
Published: Oct. 27, 2023
The
unique
network
characteristics
and
stimuli
responsiveness
of
supramolecular
hydrogels
have
rendered
them
highly
advantageous
in
the
field
wound
dressings,
showcasing
unprecedented
potential.
However,
there
are
few
reports
on
a
comprehensive
review
hydrogel
dressings
for
repair
hemostasis.
This
first
introduces
major
cross-linking
methods
hydrogels,
which
includes
hydrogen
bonding,
electrostatic
interactions,
hydrophobic
host-guest
metal
ligand
coordination
some
other
interactions.
Then,
we
advanced
materials
reported
recent
years
then
summarize
basic
principles
each
method.
Next,
classify
structures
before
outlining
their
forming
process
propose
potential
future
directions.
Furthermore,
also
discuss
raw
materials,
structural
design
principles,
material
used
to
achieve
functions
such
as
antibacterial
function,
tissue
adhesion,
substance
delivery,
anti-inflammatory
antioxidant
functions,
cell
behavior
regulation,
angiogenesis
promotion,
hemostasis
innovative
years.
Finally,
existing
problems
well
development
directions
strategy,
design,
discussed.
is
proposed
stimulate
further
exploration
by
researchers
future.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(13), P. 12290 - 12304
Published: June 20, 2023
Myocardial
infarction
(MI)
is
a
major
cause
of
death
worldwide.
After
the
occurrence
MI,
heart
frequently
undergoes
serious
pathological
remodeling,
leading
to
excessive
dilation,
electrical
disconnection
between
cardiac
cells,
and
fatal
functional
damage.
Hence,
extensive
efforts
have
been
made
suppress
remodeling
promote
repair
infarcted
heart.
In
this
study,
we
developed
hydrogel
patch
that
can
provide
mechanical
support,
conduction,
tissue
adhesiveness
aid
in
recovery
an
function.
Specifically,
conductive
adhesive
(CAH)
by
combining
two-dimensional
titanium
carbide
(Ti3C2Tx)
MXene
with
natural
biocompatible
polymers
[i.e.,
gelatin
dextran
aldehyde
(dex-ald)].
The
CAH
was
formed
within
250
s
mixing
precursor
solution
could
be
painted.
containing
3.0
mg/mL
MXene,
10%
gelatin,
5%
dex-ald
exhibited
appropriate
material
characteristics
for
applications,
including
uniform
distribution
high
conductivity
(18.3
mS/cm),
tissue-like
elasticity
(30.4
kPa),
strong
adhesion
(6.8
resistance
various
deformations.
cytocompatible
induced
cardiomyocyte
(CM)
maturation
vitro,
as
indicated
upregulation
connexin
43
expression
faster
beating
rate.
Furthermore,
painted
onto
remained
stably
adhered
epicardium.
vivo
animal
studies
revealed
treatment
significantly
improved
function
alleviated
Thus,
believe
our
MXene-based
potentially
serve
promising
platform
effective
electroactive
tissues
heart,
muscle,
nerve
tissues.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(17)
Published: April 3, 2024
Abstract
Burns
can
cause
severe
damage
to
the
skin
due
bacterial
infection
and
inflammation.
Although
conductive
hydrogels
as
electroactive
burn‐wound
dressings
achieve
remarkable
effects
on
accelerating
wound
healing,
issues
such
imbalance
between
their
high
conductivity
mechanical
properties,
easy
dehydration,
low
transparency
must
be
addressed.
Herein,
a
double‐network
eutectogel
is
fabricated
by
integrating
polymerizable
deep
eutectic
solvents
(PDESs)including
acrylamide/choline
chloride/glycerol
(acrylamide‐polymerization
crosslink)
thiolated
hyaluronic
acid
(disulfide‐bonding
crosslink).
The
introduction
of
PDESs
provides
with
(up
0.25
S·m
−1
)
strength
(tensile
strain
59–77%)
simulating
those
natural
human
skin,
well
satisfactory
tissue
adhesiveness,
self‐healing
ability,
antibacterial
properties.
When
combined
exogenous
electrical
stimulation,
exhibits
ability
reduce
inflammation,
stimulate
cell
proliferation
migration,
promote
collagen
deposition
angiogenesis,
facilitate
remodeling.
This
shows
great
potential
dressing
for
healing
major
burn
wounds.
Journal of Orthopaedic Translation,
Journal Year:
2024,
Volume and Issue:
47, P. 191 - 206
Published: June 27, 2024
The
regenerative
capacity
of
bone
is
indispensable
for
growth,
given
that
accidental
injury
almost
inevitable.
Bone
relevant
the
aging
population
globally
and
repair
large
defects
after
osteotomy
(e.g.,
following
removal
malignant
tumours).
Among
many
therapeutic
modalities
proposed
to
regeneration,
electrical
stimulation
has
attracted
significant
attention
owing
its
economic
convenience
exceptional
curative
effects,
various
electroactive
biomaterials
have
emerged.
This
review
summarizes
current
knowledge
progress
regarding
strategies
improving
repair.
Such
range
from
traditional
methods
delivering
via
electroconductive
materials
using
external
power
sources
self-powered
biomaterials,
such
as
piezoelectric
nanogenerators.
Electrical
osteogenesis
are
related
piezoelectricity.
examines
cell
behaviour
potential
mechanisms
electrostimulation
in
healing,
aiming
provide
new
insights
regeneration
biomaterials.
roles
rehabilitating
microenvironment
facilitate
addressing
whereby
cues
mediate
regeneration.
Interactions
between
osteogenesis-related
cells
summarized,
leading
proposals
use
stimulation-based
therapies
accelerate
healing.
SmartMat,
Journal Year:
2024,
Volume and Issue:
5(2)
Published: Jan. 2, 2024
Abstract
Polymer
ionogel
(PIG)
is
a
new
type
of
flexible,
stretchable,
and
ion‐conductive
material,
which
generally
consists
two
components
(polymer
matrix
materials
ionic
liquids/deep
eutectic
solvents).
More
more
attention
has
been
received
owing
to
its
excellent
properties,
such
as
nonvolatility,
good
conductivity,
thermal
stability,
high
electrochemical
transparency.
In
this
review,
the
latest
research
developments
PIGs
are
comprehensively
reviewed
according
different
polymer
matrices.
Particularly,
development
novel
structural
designs,
preparation
methods,
basic
their
advantages
respectively
summarized.
Furthermore,
typical
applications
in
flexible
skin,
electrochromic
devices,
actuators,
power
supplies
reviewed.
The
working
mechanism,
device
structure
design
strategies,
unique
functions
PIG‐based
devices
briefly
introduced.
Finally,
perspectives
on
current
challenges
future
directions
application
discussed.
International Materials Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 3, 2025
The
extracellular
matrix
can
be
replicated
by
3D
scaffolds,
providing
a
favorable
environment
for
cell
growth,
proliferation,
and
differentiation.
Despite
their
biocompatibility,
biodegradability,
bioactivity,
the
poor
mechanical
strength
of
scaffolds
limits
use
heavy
loads.
This
creates
bottleneck
in
supply
with
enhanced
all
previously
mentioned
characteristics.
Conjugated
polymers
have
emerged
as
promising
option
scaffold
construction
due
to
electrical
conductivity,
adjustable
surface
qualities,
ability
transfer
bioactive
molecules.
Moreover,
metal-organic
frameworks
(MOFs)
are
rapidly
emerging
class
nanomaterials
uniform
porosity,
excellent
surface-to-volume
ratio,
variable
diverse
configurations,
well
tuanble
chemical
structures.
While
both
conjugated
polymer-based
MOF-based
suffer
from
drawbacks
such
low
stability
possible
toxicity,
combination
is
an
imperative
strategy
construct
desirable
scaffols
biomedical
applications.
Specific
examples
investigated
polymer-MOF
provided
each
area,
along
explanation
synthesis,
fabrication
method,
physicochemical
properties.
Finally,
applications
polymers/MOF
tissue
engineering
cancer
theragnostic
reviewed,
current
challenges
potential
future
directions
discussed.