A Wireless Health Monitoring System Accomplishing Bimodal Decoupling Based on an “IS”‐Shaped Multifunctional Conductive Hydrogel
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 6, 2025
Abstract
Flexible
wearable
sensors
with
bimodal
functionality
offer
substantial
value
for
human
health
monitoring,
as
relying
on
a
single
indicator
is
insufficient
capturing
comprehensive
physiological
information.
However,
face
multiple
challenges
in
practical
applications,
including
mutual
interference
between
various
modalities,
and
integration
of
excellent
mechanical
properties,
interfacial
adhesion,
environmental
adaptability
biocompatibility.
Herein,
the
multifunctional
hydrogel,
synthesized
through
radical
grafting
supramolecular
self‐crosslinking
reactions,
exhibits
thermal
sensitivity
(TCR
=
−1.70%
°C
−1
),
high
toughness
(9.31
MJ
m
−
3
wide
strain
range
(0–600%),
outstanding
adhesion
strength
(36.07
kPa),
antifreeze,
visualization,
water
retention,
biocompatibility,
antibacterial
antioxidant
capabilities.
Leveraging
its
conductivity,
this
hydrogel
can
be
applied
electroluminescent,
triboelectricity,
electromyography
message
encryption.
Moreover,
fabricated
smart
temperature
monitoring.
To
avoid
two
signals,
system
“IS”‐shaped
configuration
innovatively
designed
based
finite
element
simulation
results.
The
flexible
circuit
modules,
data
transmission
form
closed‐loop
platform
rehabilitation
training
patients
arthritis
or
joint
surgery.
This
strategy
establishes
decoupling
self‐calibrating
utilizing
material
to
accurately
detect
parameters,
advancing
electronics
personalized
medicine.
Язык: Английский
Bioinspired Super‐Robust Conductive Hydrogels for Machine Learning‐Assisted Tactile Perception System
Chao Xue,
Yanran Zhao,
Yuantai Liao
и другие.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
Conductive
hydrogels
have
attracted
significant
attention
due
to
exceptional
flexibility,
electrochemical
property,
and
biocompatibility.
However,
the
low
mechanical
strength
can
compromise
their
stability
under
high
stress,
making
material
susceptible
fracture
in
complex
or
harsh
environments.
Achieving
a
balance
between
conductivity
robustness
remains
critical
challenge.
In
this
study,
super-robust
conductive
were
designed
developed
with
highly
oriented
structures
densified
networks,
by
employing
techniques
such
as
stretch-drying-induced
directional
assembly,
salting-out,
ionic
crosslinking.
The
showed
remarkable
property
(tensile
strength:
17.13-142.1
MPa;
toughness:
50
MJ
m-
3),
(30.1
S
m-1),
reliable
strain
sensing
performance.
Additionally,
it
applied
hydrogel
fabricate
biomimetic
electronic
skin
device,
significantly
improving
signal
quality
device
stability.
By
integrating
1D
convolutional
neural
network
algorithm,
further
real-time
recognition
system
based
on
triboelectric
piezoresistive
collection,
achieving
classification
accuracy
of
up
99.79%
across
eight
materials.
This
study
predicted
potential
high-performance
for
various
applications
flexible
smart
wearables,
Internet
Things,
bioelectronics,
bionic
robotics.
Язык: Английский
Bio-inspired multifunctional flexible visual sensors based on structural color materials
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161344 - 161344
Опубликована: Март 1, 2025
Язык: Английский
An Antifreeze Gel as Strain Sensors and Machine Learning Assisted Intelligent Motion Monitoring of Triboelectric Nanogenerators in Extreme Environments
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Abstract
Traditional
hydrogels
tend
to
freeze
and
lose
performance
at
low
temperatures,
limiting
their
applications.
Additionally,
need
exhibit
hysteresis,
excellent
cycling
stability,
self‐adhesion
ensure
high‐quality
signal
acquisition
in
complex
environments.
To
address
this
challenge,
study
designed
a
dual‐network
gel
glycerol
(Gly)/H
2
O
solvent
system.
Due
the
combination
of
chemical
physical
crosslinking
(hydrogen
bonding
electrostatic
interactions),
resulting
exhibits
skin‐adaptive
modulus,
high
anti‐freezing
ability,
body
temperature‐induced
adhesion,
electrical
performance,
making
it
suitable
for
wearable
sensors
temperatures.
Based
on
gel,
single‐electrode
triboelectric
nanogenerator
(gel‐TENG)
is
developed,
achieving
efficient
conversion
mechanical
energy
into
energy.
Further
applied
smart
insole,
successfully
enabled
real‐time
visualization
plantar
pressure
distribution
skiing
motion
recognition.
Using
random
forest
machine
learning
algorithm,
system
accurately
classified
11
basic
motions,
classification
accuracy
97.1%.
This
advances
flexible
self‐powered
systems,
supporting
intelligent
materials
research
extreme
Язык: Английский
Design Strategies and Emerging Applications of Conductive Hydrogels in Wearable Sensing
Gels,
Год журнала:
2025,
Номер
11(4), С. 258 - 258
Опубликована: Апрель 1, 2025
Conductive
hydrogels,
integrating
high
conductivity,
mechanical
flexibility,
and
biocompatibility,
have
emerged
as
crucial
materials
driving
the
evolution
of
next-generation
wearable
sensors.
Their
unique
ability
to
establish
seamless
interfaces
with
biological
tissues
enables
real-time
acquisition
physiological
signals,
external
stimuli,
even
therapeutic
feedback,
paving
way
for
intelligent
health
monitoring
personalized
medical
interventions.
To
fully
harness
their
potential,
significant
efforts
been
dedicated
tailoring
conductive
networks,
properties,
environmental
stability
these
hydrogels
through
rational
design
systematic
optimization.
This
review
comprehensively
summarizes
strategies
categorized
into
metal-based,
carbon-based,
polymer-based,
ionic,
hybrid
systems.
For
each
type,
highlights
structural
principles,
conductivity
enhancement,
approaches
simultaneously
enhance
robustness
long-term
under
complex
environments.
Furthermore,
emerging
applications
in
sensing
systems
are
thoroughly
discussed,
covering
signal
monitoring,
mechano-responsive
platforms,
closed-loop
diagnostic–therapeutic
Finally,
this
identifies
key
challenges
offers
future
perspectives
guide
development
multifunctional,
intelligent,
scalable
hydrogel
sensors,
accelerating
translation
advanced
flexible
electronics
smart
healthcare
technologies.
Язык: Английский
The importance of interface interactions in flexible sensing materials: Classification, effect, and application
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 162276 - 162276
Опубликована: Апрель 1, 2025
Язык: Английский
Self‐Healing Hydrogel‐Based Triboelectric Nanogenerator in Smart Glove System for Integrated Drone Safety Protection and Motion Control
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Flexible
sensing
technology
offers
significant
advantages
in
gesture
recognition
and
human–machine
interactions.
However,
existent
smart
gloves
based
on
flexible
sensors
still
have
limitations
their
security
mechanisms;
thus,
they
are
unsuitable
for
high‐risk
environments
where
identity
verification
system
protection
critical.
This
study
proposes
an
innovative
glove
which
person
control
functionalities
integrated.
The
utilizes
a
triboelectric
nanogenerator
polyvinyl‐alcohol–sodium‐alginate–conductive‐polyaniline
(PSP)
hydrogel
electrode
as
the
sensor
exhibits
high
sensitivity,
fast
response/recovery,
fatigue
resistance.
These
properties
primarily
attributed
to
excellent
stretchability,
conductivity,
self‐healing
ability
of
PSP
hydrogel.
Because
coordinated
design
hardware–software
architecture,
enables
precise
drone
flight
postures
via
contact
sensing.
also
leverages
non‐contact
recognize
personalized
fingertip
trajectories,
enabling
user
unlocking
aforementioned
interface.
improves
not
only
flexibility
portability
operation
but
safety
weapon
systems
future
battlefield
environments.
Язык: Английский