New Perspectives of Hydrogels in Chronic Wound Management
Molecules,
Journal Year:
2025,
Volume and Issue:
30(3), P. 686 - 686
Published: Feb. 4, 2025
Chronic
wounds
pose
a
substantial
healthcare
concern
due
to
their
prevalence
and
cost
burden.
This
paper
presents
detailed
overview
of
chronic
emphasizes
the
critical
need
for
novel
therapeutic
solutions.
The
pathophysiology
wound
healing
is
discussed,
including
stages
factors
contributing
chronicity.
focus
on
diverse
types
wounds,
such
as
diabetic
foot
necrosis,
pressure
ulcers,
venous
leg
highlighting
etiology,
consequences,
issues
they
provide.
Further,
modern
care
solutions,
particularly
hydrogels,
are
highlighted
tackling
challenges
management.
Hydrogels
characterized
multipurpose
materials
that
possess
vital
characteristics
like
capacity
retain
moisture,
biocompatibility,
incorporation
active
drugs.
Hydrogels’
effectiveness
in
applications
demonstrated
by
how
support
healing,
preserving
ideal
moisture
levels,
promoting
cellular
migration,
possessing
antibacterial
properties.
Thus,
this
hydrogel
technology’s
latest
developments,
emphasizing
drug-loaded
stimuli-responsive
underscoring
these
advanced
formulations
greatly
improve
therapy
outcomes
enabling
dynamic
focused
reactions
environment.
Future
directions
research
promote
development
customized
treatments
digital
health
tools
treatment
wounds.
Language: Английский
Microgel with a Core—Shell Particulate Structure Formed via Spinodal Decomposition of a Diblock Ionomer Containing a Doped Hydrophobic Moiety
Gels,
Journal Year:
2025,
Volume and Issue:
11(4), P. 231 - 231
Published: March 22, 2025
This
study
explored
the
formation
of
soft
colloidal
particles
from
a
diblock
ionomer
(DI)
with
monomeric
composition
(acrylonitrile)x-co-(glycidyl
methacrylate)y-b-(3-sulfopropyl
methacrylate
potassium)z—abbreviated
as
(AxGy)Sz,
where
x
>>
z
>
y.
A
dispersion
was
generated
by
introducing
water
into
pre-prepared
DMSO
solutions
DI,
which
led
to
micelle
and
subsequent
coagulation.
The
assembly
hydrophobic
(AxGy)
blocks
influenced
content
chain
conformational
flexibility
(the
ability
adopt
various
forms
conformation).
resulting
microgel
structure
(in
particle
form)
consists
coagulated
micelles
characterized
discrete
internal
gel
domains
continuous
external
hydrophilic
layers.
Characterization
methods
included
light
scattering,
zeta
potential
analysis,
size
distribution
measurements.
In
contrast,
copolymer
chains
form
random
coil
aggregates
in
DMSO–H2O
mixtures,
displaying
packing
state
distinct
aforementioned.
Additionally,
amphiphilic
glycidyl
(G)
units
within
block
were
found
modulate
dimensions.
Notably,
nanoscale
hydrogel
corona
exhibits
high
accessibility
reactive
species
aqueous
media.
typical
has
spherical
shape
diameter
ranging
50
120
nm.
It
−65
mV
neutral
medium;
however,
it
may
precipitate
if
metastable
cannot
be
maintained.
Its
properties
could
tailored
through
adjusting
conformation,
highlighting
its
for
diverse
applications.
Language: Английский
Light‐Actuated, Tunable Micromachines from Photo‐Swellable Colloidal Ionogels
Dezhou Cao,
No information about this author
Jingru Xu,
No information about this author
Dongqing He
No information about this author
et al.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 29, 2025
Abstract
Active
colloids
that
release
ions
hold
potential
for
building
micromachines
capable
of
dynamically
responding
to
environmental
stimuli.
Harnessing
light
precisely
regulate
and
fine‐tune
their
performance
is
essential
unlocking
versatility
expanding
range
applications.
To
address
this
challenge,
light‐actuated,
tunable
are
developed
based
on
photo‐swellable
colloidal
ionogels—an
azobenzene‐modified
co‐polymer
microsphere
infused
with
azobenzene‐based
ionic
liquids
(Azo‐ILs)—that
undergo
reversible
cis‐trans
isomerization
under
UV/visible
light.
UV
irradiation
increases
the
ionogel's
hydrophilicity
causes
it
swell
by
H
2
O,
releasing
Azo‐ILs
into
aqueous
environments
a
rapid
photoresponse
(milliseconds),
while
visible
stops
swelling.
The
dissociated
lead
diffusiophoresis
diffusioosmosis,
enabling
two
functionalities:
isotropic
ion
from
ionogel
pumps
water
outward
exclusion
zones
up
30
µm,
anisotropic
partially
coated
microspheres
leads
micromotors
at
speeds
≈3
µm
s
−1
lifetime
≈15
min.
Importantly,
magnitude
these
interactions
modulated
intensity
azobenzene
content
in
co‐polymers.
Finite
element
Brownian
dynamics
simulations
validate
electrokinetic
mechanisms
underlying
pump
motor's
operation.
This
work
establishes
platform
designing
potentially
useful
fluid
manipulation,
drug
delivery,
soft
robotics.
Language: Английский
Imidazole-Stabilized Gold Nanoclusters as Photocatalytic Initiator and Crosslinker to Fabricate Functional Hydrogel
Published: Jan. 1, 2024
Language: Английский
Imidazole-stabilized gold nanoclusters as photocatalytic initiator and crosslinker to fabricate functional hydrogel
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Journal Year:
2024,
Volume and Issue:
unknown, P. 135408 - 135408
Published: Sept. 1, 2024
Language: Английский
Hydrogel-based Soft Robotics for Surgical Machinery
Next generation.,
Journal Year:
2024,
Volume and Issue:
8(1), P. 89 - 89
Published: Nov. 15, 2024
Hydrogel-based
soft
robotics
represent
a
transformative
approach
in
surgical
machinery,
offering
unparalleled
adaptability,
biocompatibility,
and
precision
for
minimally
invasive
procedures.
Hydrogels,
with
their
high
water
content
tunable
mechanical
properties,
mimic
biological
tissues,
making
them
ideal
applications
delicate
environments.
This
research
explores
the
integration
of
hydrogel
materials
into
robotic
systems,
focusing
on
fabrication,
actuation
mechanisms,
performance
applications.
Key
advancements
include
development
stimuli-responsive
hydrogels
that
enable
precise
control
movement
force,
enhancing
capability
to
navigate
complex
anatomical
structures.
The
study
also
examines
computational
models
simulating
behavior
optimizing
designs.
While
potential
benefits
hydrogel-based
improving
patient
outcomes
are
significant,
challenges
remain
ensuring
durability,
scalability,
reliable
systems.
aims
address
these
limitations
by
integrating
advanced
science
engineering.
By
doing
so,
it
contributes
evolution
technologies,
paving
way
safer
more
effective
Language: Английский