ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(31), P. 41583 - 41595
Published: July 24, 2024
Conductive
hydrogels
are
widely
used
in
flexible
sensors
owing
to
their
adjustable
structure,
good
conductivity,
and
flexibility.
The
performance
of
excellent
mechanical
properties,
high
sensitivity,
elastic
modulus
compatible
with
human
tissues
is
great
interest
the
field
sensors.
In
this
paper,
functional
groups
trisodium
citrate
dihydrate
(SC)
MXene
form
multiple
hydrogen
bonds
polymer
network
prepare
a
hydrogel
properties
(Young's
(23.5–92
kPa)
similar
tissue
(0–100
kPa)),
sensitivity
(stretched
GF
4.41
compressed
S1
5.15
MPa–1),
durability
(1000
cycles).
able
sensitively
detect
deformations
caused
by
strain
stress
can
be
movement
real
time
such
as
fingers,
wrists,
walking.
addition,
combination
matrix
sensing
machine
learning
was
successfully
for
handwriting
recognition
an
accuracy
0.9744.
shows
potential
areas
healthcare,
information
security,
smart
homes.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
13(22)
Published: May 9, 2024
Hydrogels
have
emerged
as
promising
candidates
for
biomedical
applications,
especially
in
the
field
of
antibacterial
therapeutics,
due
to
their
unique
structural
properties,
highly
tunable
physicochemical
and
excellent
biocompatibility.
The
integration
stimuli-responsive
functions
into
hydrogels
holds
potential
enhance
properties
therapeutic
efficacy,
dynamically
responding
different
external
or
internal
stimuli,
such
pH,
temperature,
enzymes,
light.
Therefore,
this
review
describes
applications
hydrogel
dressings
responsive
stimuli
therapy.
collaborative
interaction
between
materials
is
discussed.
This
synergistic
approach,
contrast
conventional
materials,
not
only
amplifies
effect
but
also
alleviates
adverse
side
effects
diminishes
incidence
multiple
infections
drug
resistance.
provides
a
comprehensive
overview
current
challenges
outlines
future
research
directions
hydrogels.
It
underscores
imperative
ongoing
interdisciplinary
aimed
at
unraveling
mechanisms
wound
healing.
understanding
crucial
optimizing
design
implementation
Ultimately,
aims
offer
scientific
guidance
development
practical
clinical
application
dressings.
Nano Letters,
Journal Year:
2024,
Volume and Issue:
24(17), P. 5351 - 5360
Published: April 18, 2024
Ultrasensitive
and
reliable
conductive
hydrogels
are
significant
in
the
construction
of
human–machine
twinning
systems.
However,
extremely
cold
environments,
freezing
severely
limits
application
hydrogel-based
sensors.
Herein,
building
on
biomimetics,
a
zwitterionic
hydrogel
was
elaborated
for
interaction
employing
multichemical
bonding
synergies
experimental
signal
analyses.
The
covalent
bonds,
hydrogen
electrostatic
interactions
construct
dense
double
network
structure
favorable
stress
dispersion
bond
regeneration.
In
particular,
zwitterions
ionic
conductors
maintained
excellent
strain
response
(99
ms)
electrical
sensitivity
(gauge
factor
=
14.52)
while
immobilizing
water
molecules
to
enhance
weather
resistance
(−68
°C).
Inspired
by
high
sensitivity,
sensors
remote-control
gloves
were
designed
analyzing
signals,
demonstrating
promising
potential
applications
within
specialized
flexible
materials
symbiotic