Materials Advances,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Antimicrobial
peptide
loaded
biomaterial
inks
for
3D
printing
can
fabricate
personalised
medical
devices
that
has
significant
healthcare
benefits
given
the
lower
risk
infection
related
failure
and
tendency
to
develop
antimicrobial
resistant
bacteria.
Abstract
Skin
wounds
have
become
an
important
issue
that
affects
human
health
and
burdens
global
medical
care.
Hydrogel
materials
similar
to
the
natural
extracellular
matrix
(ECM)
are
one
of
best
candidates
for
ideal
wound
dressings
most
feasible
choices
printing
inks.
Distinct
from
hydrogels
made
by
traditional
technologies,
which
lack
bionic
mechanical
properties,
3D
can
promptly
accurately
create
with
complex
bioactive
structures
potential
promote
tissue
regeneration
healing.
Herein,
a
comprehensive
review
multi‐functional
printing‐based
hydrogel
healing
is
presented.
The
first
summarizes
techniques
dressings,
including
photo‐curing,
extrusion,
inkjet,
laser‐assisted
printing.
Then,
properties
design
approaches
series
bioinks
composed
natural,
synthetic,
composite
polymers
described.
Thereafter,
application
in
variety
environments
discussed
depth,
hemostasis,
anti‐inflammation,
antibacterial,
skin
appendage
regeneration,
intelligent
monitoring,
machine
learning‐assisted
therapy.
Finally,
challenges
prospects
Polymers,
Год журнала:
2024,
Номер
16(10), С. 1346 - 1346
Опубликована: Май 9, 2024
Antibacterial
hydrogel
wound
dressings
hold
great
potential
in
eliminating
bacteria
and
accelerating
the
healing
process.
However,
it
remains
a
challenge
to
fabricate
that
simultaneously
exhibit
excellent
mechanical
photothermal
antibacterial
properties.
Here
we
report
development
of
polydopamine-functionalized
graphene
oxide
(rGO@PDA)/calcium
alginate
(CA)/Polypyrrole
(PPy)
cotton
fabric-reinforced
hydrogels
(abbreviated
as
rGO@PDA/CA/PPy
FHs)
for
tackling
bacterial
infections.
The
properties
were
greatly
enhanced
by
fabric
reinforcement
an
interpenetrating
structure,
while
broad-spectrum
based
on
effect
obtained
incorporating
PPy
rGO@PDA.
Results
indicated
FHs
exhibited
superior
tensile
strength
both
warp
(289
±
62.1
N)
weft
directions
(142
23.0
N),
similarly
fabric.
By
rGO@PDA,
swelling
ratio
was
significantly
decreased
from
673.5%
236.6%,
conversion
performance
with
temperature
elevated
45.0
°C.
Due
synergistic
rGO@PDA
PPy,
bacteria-eliminating
efficiency
S.
aureus
(0.57%)
E.
coli
(3.58%)
after
exposure
NIR
20
min.
We
believe
design
could
serve
guideline
developing
improved
infected-wound
treatment.
Materials,
Год журнала:
2025,
Номер
18(5), С. 1125 - 1125
Опубликована: Март 2, 2025
We
herein
demonstrate
the
utility
of
gelatin
methacryloyl
(GelMA)/poly(ethylene
glycol)
diacrylate
(PEGDA)-cerium
oxide
(CeO2)
hydrogel
inks
for
manufacturing
scaffolds
with
antimicrobial
efficacy
by
vat
photopolymerization.
For
uniform
blending
GelMA/PEGDA
hydrogels,
CeO2
nanoparticles
a
round
shape
were
synthesized
precipitation
method
coupled
calculation
at
600
°C.
In
addition,
they
had
highly
crystalline
phases
and
desired
chemical
structures
(oxidation
states
Ce3+
Ce4+)
required
outstanding
efficacy.
A
range
GelMA/PEGDA-CeO2
different
contents
(0%
w/v,
0.1%
0.5%
1%
5%
w/v
respect
to
distilled
water
content)
manufactured.
The
photopolymerization
behavior,
mechanical
properties,
biological
properties
(swelling
biodegradation
behaviors)
characterized
optimize
content.
produced
highest
content
(5%
w/v)
showed
reasonable
(compressive
strength
=
0.56
±
0.09
MPa
compressive
modulus
0.19
0.03
MPa),
high
swelling
ratio
(1063.3
10.9%),
rate
(remaining
weight
after
28
days
39.6
2.3%).
Furthermore,
(the
number
colony-forming
units
76
44.6
(×103)).
macroporous
tightly
controlled
porous
could
be
manufactured
Journal of Applied Polymer Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 8, 2025
ABSTRACT
Chronic
wound
healing
is
often
compromised
by
bacterial
infection,
and
pH
changes
strongly
correlate
with
infection.
Therefore,
the
development
of
dressings
capable
real‐time
monitoring,
antimicrobial
activity,
tissue
repair
crucial
for
effective
management
infected
chronic
wounds.
This
study
reports
a
novel
multifunctional
composite
hydrogel
(GM‐C‐mBG@P)
synthesized
incorporating
microwave‐synthesized
carbon
quantum
dots
(CQDs)
polydopamine‐modified
mesoporous
bioactive
glass
nanoparticles
(mBG@P)
into
modified
gelatin
methacryloyl
(GelMA).
The
incorporated
polydopamine
(PDA)
confers
excellent
photothermal
properties
to
hydrogel,
enabling
activity.
Under
360
nm
UV
excitation,
fluorescence
intensity
CQDs
in
GM‐C‐mBG@P
exhibits
strong
linear
correlation
pH,
monitoring.
Furthermore,
mBG@P
can
gradually
dissolve
calcium,
silicon,
boron,
other
functional
ions
enhance
bioactivity
functionality
accelerate
healing.
These
findings
suggest
that
has
potential
serve
as
promising
dressing
treatment
ACS Biomaterials Science & Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 4, 2024
The
integration
of
hydrogel-based
bioinks
with
3D
bioprinting
technologies
presents
an
innovative
approach
to
chronic
wound
management,
which
is
particularly
challenging
treat
because
its
multifactorial
nature
and
high
risk
complications.
Using
precise
deposition
techniques,
significantly
alters
traditional
care
paradigms
by
enabling
the
fabrication
patient-specific
dressings
that
imitate
natural
tissue
properties.
Hydrogels
are
notably
beneficial
for
these
applications
their
abundant
water
content
mechanical
properties,
promote
cell
viability
pathophysiological
processes
healing,
such
as
re-epithelialization
angiogenesis.
This
article
reviews
key
printing
significance
in
enhancing
structural
functional
outcomes
wound-care
solutions.
Challenges
bioink
viscosity,
viability,
printability
addressed,
along
discussions
on
cross-linking
stability
constructs.
potential
revolutionize
management
rests
capacity
generate
remedies
expedite
healing
minimize
infection
risks.
Nevertheless,
further
studies
clinical
trials
necessary
advance
therapies
from
laboratory
use.