Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Abstract
Tactility
allows
humans
to
quickly
perceive
external
stimuli
and
respond
accordingly.
It
plays
a
crucial
role
in
human–environment
interaction.
Mimicking
the
human
closed‐loop
tactile
system
with
artificial
electronic
devices
has
profound
implications
for
prosthetics
intelligent
robots.
Highly
flexible
wearable
emerge
as
promising
platforms
building
systems.
Among
them,
hydrogel
skins
textiles
make
significant
advancements
owing
their
excellent
tissue
compatibility,
mechanical
properties,
conductivity,
multifunctionality.
Nowadays,
they
can
function
sensors
monitor
or
actuators
mimic
trigger
muscle
movement.
In
addition,
advanced
signal
analysis
units
are
integrated
enable
interpret
collected
signals.
This
review
explores
key
intrinsic
properties
of
hydrogels
functional
fibers
evaluates
feasibility
developing
The
continuous
development
systems
not
only
facilitate
in‐depth
integration
intelligence
sensory
but
also
exert
positive
influence
on
numerous
fields
such
medicine,
scientific
research,
industrial
manufacturing.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(10), P. 12974 - 12985
Published: Feb. 28, 2024
Foot
activity
can
reflect
numerous
physiological
abnormalities
in
the
human
body,
making
gait
a
valuable
metric
health
monitoring.
Research
on
flexible
sensors
for
monitoring
has
focused
high
sensitivity,
wide
working
range,
fast
response,
and
low
detection
limit,
but
challenges
remain
areas
such
as
elasticity,
antibacterial
activity,
user-friendliness,
long-term
stability.
In
this
study,
we
have
developed
novel
capacitive
pressure
sensor
that
offers
an
ultralow
limit
of
1
Pa,
ranges
from
Pa
to
2
MPa,
sensitivity
0.091
kPa–1,
response
time
71
ms,
exceptional
stability
over
6000
cycles.
This
not
only
ability
accurately
discriminating
mechanical
stimuli
also
meets
requirements
wearable
comfort,
The
fabrication
method
dual
dielectric
layer
integrated
composite
electrode
is
simple,
cost-effective,
stable,
amenable
mass
production.
Thereinto,
introduction
layer,
based
optimized
electrospinning
network
micropillar
array,
significantly
improved
performance
sensor.
electrodes
are
made
by
template
using
materials
carbon
nanotubes
(CNTs),
two-dimensional
titanium
carbide
Ti3C2Tx
(MXene),
polydimethylsiloxane
(PDMS),
offering
synergistic
advantages
terms
conductivity,
stability,
practicality.
Additionally,
designed
smart
insole
integrates
as-prepared
with
miniature
instrument
platform
disease
warning.
offer
cutting-edge
solution
detecting
diseases
noninvasive
manner,
paving
way
future
devices
personalized
healthcare
technologies.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Ionic
conductive
hydrogels
have
emerged
as
an
excellent
option
for
constructing
dielectric
layers
of
interfacial
iontronic
sensors.
Among
these,
gradient
ionic
hydrogels,
due
to
the
intrinsic
elastic
modulus,
can
achieve
a
wide
range
pressure
responses.
However,
fabrication
with
optimal
mechanical
and
sensing
properties
remains
challenge.
In
this
study,
it
is
discovered
first
that
phytic
acid
(PA)
interacts
in
remarkably
distinct
manners
(i.e.,
plasticizing
effects
phase
separation)
different
polymers
polyacrylamide
polyacrylic
acid).
This
distinctive
PA‐polymer
interacting
mechanism
innovatively
utilized
construct
modulus
hydrogel
through
simple
precursor
solution
infiltration
approach.
The
hydrogel‐based
flexible
sensor
not
only
achieves
high
sensitivity
(9.00
kPa
−1
,
<15
kPa)
broad
(from
≈3.7
Pa
1.2
MPa)
simultaneously,
but
also
exhibits
superior
low
performance.
It
successfully
recognizes
subtle
acoustic
waves
airflow,
well
moderate
speaking
finger
pressing
magnitude
plantar
pressure.
addition,
demonstrates
remarkable
antibacterial
biocompatibility.
functional
performance
bioactivity
exceptional
potential
wearable
applications.
Gels,
Journal Year:
2024,
Volume and Issue:
10(3), P. 187 - 187
Published: March 8, 2024
The
remarkable
flexibility
and
heightened
sensitivity
of
flexible
sensors
have
drawn
significant
attention,
setting
them
apart
from
traditional
sensor
technology.
Within
this
domain,
hydrogels—3D
crosslinked
networks
hydrophilic
polymers—emerge
as
a
leading
material
for
the
new
generation
sensors,
thanks
to
their
unique
properties.
These
include
structural
versatility,
which
imparts
traits
like
adhesiveness
self-healing
capabilities.
Traditional
templating-based
methods
fall
short
tailor-made
applications
in
crafting
sensors.
In
contrast,
3D
printing
technology
stands
out
with
its
superior
fabrication
precision,
cost-effectiveness,
satisfactory
production
efficiency,
making
it
more
suitable
approach
than
strategies.
This
review
spotlights
latest
hydrogel-based
developed
through
printing.
It
begins
by
categorizing
hydrogels
outlining
various
3D-printing
techniques.
then
focuses
on
range
sensors—including
those
strain,
pressure,
pH,
temperature,
biosensors—detailing
applications.
Furthermore,
explores
sensing
mechanisms
concludes
an
analysis
existing
challenges
prospects
future
research
breakthroughs
field.
