Dual Cross-Linked Chitosan-Based Films with pH-Sensitive Coloration and Drug Release Kinetics for Smart Wound Dressings
Jongjit Chalitangkoon,
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Arnat Ronte,
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Tanaporn Sintoppun
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et al.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
In
this
study,
we
developed
dual-cross-linked
hydrogel
films
based
on
carboxyethyl
chitosan
(CECS)
and
sodium
alginate
(SA),
utilizing
dialdehyde
β-cyclodextrin
(DA-βCD)
gluconic
acid
δ-lactone
(GDL)
as
cross-linkers.
Designed
smart
wound
dressings,
the
exhibit
pH
sensitivity
due
to
incorporation
of
carboxyethylated
phenol
red-grafted
(CS-PR-AA),
which
allows
them
change
color
from
orange
purple
in
response
variations.
FT-IR
TGA
analyses
confirmed
formation
imine
bonds
polyelectrolyte
complexes,
indicating
successful
cross-linking.
The
demonstrated
high
cell
viability,
confirming
their
biocompatibility
nontoxicity.
swelling
behavior
varied
with
pH,
underscoring
adaptability
different
environments.
Additionally,
drug
release
kinetics
were
studied
for
incorporating
diclofenac
(DCF)
at
various
levels,
revealing
that
rate
was
influenced
by
cross-linking
density
environmental
pH.
These
findings
suggest
have
significant
potential
offering
controlled
pH-responsive
suitable
care
applications.
Language: Английский
Wound dressings using electrospun nanofibers: mechanisms, applications, and future directions
European Polymer Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 113900 - 113900
Published: March 1, 2025
Language: Английский
Exploring the impact of HAp on the surface morphology, mechanical, wettability, and biodegradation rate of PVA-collagen nanofiber bone scaffolds
Hartatiek,
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Maulia Ingganis Wuriantika,
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W E S Ayu
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et al.
Materials Research Express,
Journal Year:
2025,
Volume and Issue:
12(1), P. 015405 - 015405
Published: Jan. 1, 2025
Abstract
Nanofibers
are
considered
promising
materials
for
tissue
engineering
applications
due
to
their
ability
promote
cell
adhesion
and
form
desired
environments
where
new
can
grow.
Furthermore,
we
evaluated
the
impact
of
increasing
concentration
(1–6
wt%)
HAp
on
morphology
subsequent
consequences
regarding
mechanical
properties,
wettability,
biodegradative
nature
wrinkle-free
PVA/collagen
nanofiber
scaffolds
fabricated
by
electrospinning.
FTIR
SEM
were
used
analyze
functional
groups
surface
observe
morphological
characteristics
those
particles.
revealed
that
when
was
enhanced,
a
finer
fiber
with
diameters
in
range
80–500
nm
obtained.
The
test
demonstrated
better
properties
composites
load.
In
addition,
water
contact
angle
decreased
(a
faster
degradation
rate),
which
consistent
higher
suitability
degradation.
Language: Английский
Electrospun composite nanofibers for wound healing: synthesis, characterization, and clinical potential of biopolymer-based materials
Prashant D. Yadav,
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Pramod V. Londhe,
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Sachin Chavan
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et al.
Discover Materials,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: Dec. 20, 2024
The
recent
advancements
in
nanotechnology
have
significantly
impacted
wound
healing,
particularly
through
the
development
of
electrospun
nanofibers
(NFs).
This
review
summarizes
research
on
NFs
made
from
chitosan,
gelatin,
curcumin,
and
rutin,
focusing
their
potential
for
healing
applications.
Chitosan
is
noted
its
antimicrobial
biocompatible
properties,
gelatin
excellent
biocompatibility
biodegradability,
curcumin
rutin
strong
antioxidant
anti-inflammatory
effects.
Electrospinning
employed
to
produce
these
with
controlled
diameters
morphologies.
discusses
preparation
methods,
optimal
electrospinning
parameters,
challenges
like
solution
viscosity
environmental
conditions.
It
also
includes
an
assessment
using
SEM,
TEM,
FTIR,
XRD,
tensile
testing,
DSC
evaluate
morphology,
chemical
composition,
mechanical
thermal
biodegradability.
In
vitro
vivo
testing
NFs'
efficacy,
including
biocompatibility,
activity,
hemocompatibility,
closure
rates
animal
models.
highlights
that
NF
combining
show
enhanced
due
synergistic
which
promote
cell
proliferation,
reduce
inflammation,
prevent
infection.
Despite
promising
results,
optimizing
synthesis
process
ensuring
consistent
clinical
performance
remain.
Further
needed
address
advance
application
NFs.
aims
guide
future
contribute
more
effective
wound-healing
therapies.
Language: Английский
Intrinsically Healable and Photoresponsive Electrospun Fabrics: Integrating PVDF-HFP, TPU, and Azobenzene Ionic Liquids
Chun‐Chi Chang,
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Lin-Ruei Lee,
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Sheng Zheng
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et al.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
17(1), P. 2215 - 2223
Published: Dec. 23, 2024
In
recent
years,
the
integration
of
multifunctional
properties
into
electrospun
fabrics
has
garnered
significant
attention
for
applications
in
wearable
devices
and
smart
textiles.
A
major
challenge
lies
achieving
a
balance
among
intermolecular
interactions,
structural
stability,
responsiveness
to
external
stimuli.
this
study,
we
address
by
developing
intrinsically
healable
photoresponsive
composed
poly(vinylidene
fluoride-co-hexafluoropropylene)
(PVDF-HFP),
thermoplastic
polyurethane
(TPU),
an
azobenzene-based
ionic
liquid
([AzoC6MIM][TFSI]).
The
interactions
between
PVDF-HFP
[AzoC6MIM][TFSI]
enable
intrinsic
self-healing
light-induced
responsiveness,
while
incorporation
TPU
prevents
fiber
fusion
during
electrospinning,
maintaining
integrity
porosity.
Our
results
demonstrate
that
these
can
recover
up
97%
their
original
mechanical
after
exhibit
reversible
changes
electrical
conductivity
under
UV
visible
lights.
This
versatile
approach
paves
way
high
concentrations
functional
liquids
fabrics,
enabling
development
textiles
with
potential
advanced
sensors.
Language: Английский