Gels,
Год журнала:
2024,
Номер
10(10), С. 614 - 614
Опубликована: Сен. 25, 2024
Interfaces
between
implantable
bioelectrodes
and
tissues
provide
critical
insights
into
the
biological
pathological
conditions
of
targeted
organs,
aiding
diagnosis
treatment.
While
conventional
bioelectronics,
made
from
rigid
materials
like
metals
silicon,
have
been
essential
for
recording
signals
delivering
electric
stimulation,
they
face
limitations
due
to
mechanical
mismatch
devices
soft
tissues.
Recently,
focus
has
shifted
toward
conductive
materials,
such
as
hydrogels
hydrogel
nanocomposites,
known
their
tissue-like
softness,
biocompatibility,
potential
functionalization.
This
review
introduces
these
provides
an
overview
recent
advances
in
nanocomposites
electronics.
It
covers
material
strategies
hydrogels,
including
both
intrinsically
explores
key
functionalization
techniques
biodegradation,
bioadhesiveness,
injectability,
self-healing.
Practical
applications
electronics
are
also
highlighted,
showcasing
effectiveness
real-world
scenarios.
Finally,
we
discuss
emerging
technologies
future
needs
chronically
offering
evolving
landscape
this
field.
Abstract
Addressing
the
diverse
environmental
demands
for
electronic
material
performance,
design
of
a
multifunctional
ionic
conductive
hydrogel
with
mechanical
flexibility,
anti‐freezing
capability,
and
antibacterial
characteristics
represents
an
optimal
solution.
Leveraging
Dead
Sea
effect
strong
hydrogen
bonding,
this
study
exploits
CaCl
2
abundant
hydroxyl
groups
in
phytic
acid
(PA)
to
induce
chain
entanglements,
thereby
constructing
complex,
multi‐crosslinked
network.
Furthermore,
PA
ternary
solvent
systems
(CaCl
/Glycerol/H
O)
synergistically
impart
excellent
strength,
toughness
(with
tensile
strength
8.93
MPa,
elongation
at
break
859.93%,
39.92
MJ
m
−3
),
high
electrical
conductivity,
antifreeze
properties,
strain
sensitivity
(gauge
factor
up
2.10)
hydrogels.
Remarkably,
structure
maintains
stability
even
after
undergoing
6000
loading‐unloading
cycles,
demonstrating
its
outstanding
fatigue
resistance.
Upon
receiving
external
stimuli,
exhibits
response
time
126
ms,
making
it
ideal
dynamic
monitoring
human
motion
signals.
This
offers
novel
insight
into
potential
application
hydrogels
as
flexible
sensors
challenging
environments.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Abstract
The
application
of
these
NIPAm‐based
temperature‐sensitive
hydrogels
in
wearable
sensing
is
limited
by
the
inability
to
achieve
a
long‐lasting
temperature
response
and
adaptive
optical
regulation
due
water
loss
hydrogel,
avoid
phenomenon
detachment
external
touch,
mutual
interference
between
stress
signals.
Here,
sandwich‐structured
organogel
sensors
(SOGS)
are
prepared
based
on
solvent
modulation
interfacial
fusion
cross‐linking
strategies
asymmetric‐adhesion,
regulation,
simultaneous
human
motion
without
Modulation
properties
through
hydrogen
bonding
glycol
amide
groups
for
long‐term
(10–30
°C)
infrared
ultraviolet
regulation.
Adhesive
conductive
introduced
under
an
strategy
unilateral
adhesion
(67.28
kPa
pig
skin)
sensing.
intermediate
layer
prevents
In
conclusion,
provides
new
idea
developing
novel
responsive
gels,
facile
method
unilaterally
adherent,
interference‐resistant,
multifunctional
sensors.
Biomedicines,
Год журнала:
2024,
Номер
12(10), С. 2307 - 2307
Опубликована: Окт. 11, 2024
E-skin
is
a
bionic
device
with
flexible
and
intelligent
sensing
ability
that
can
mimic
the
touch,
temperature,
pressure,
other
functions
of
human
skin.
Because
its
flexibility,
breathability,
biocompatibility,
characteristics,
it
widely
used
in
health
management,
personalized
medicine,
disease
prevention,
pan-health
fields.
With
proposal
new
principles,
development
advanced
functional
materials,
microfabrication
technology,
integration
artificial
intelligence
algorithms,
e-skin
has
developed
rapidly.
This
paper
focuses
on
fundamentals,
key
technologies,
their
specific
applications
exercise
monitoring,
emotion
heart
etc.
needs
to
have
healthcare
field.
In
addition,
significance
infant
child
care,
elderly
assistive
devices
for
disabled
analyzed.
Finally,
current
challenges
future
directions
field
are
discussed.
It
expected
this
review
will
generate
great
interest
inspiration
improvement
novel
e-skins
monitoring
systems.
ACS Applied Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
Conductive
hydrogels,
with
their
unique
combination
of
electrical
conductivity
and
stretchability,
are
emerging
as
critical
components
for
next-generation,
flexible,
wearable
sensors.
In
this
work,
we
aimed
to
develop
a
low-cost,
easy-to-manufacture
hydrogel
sensor
using
ionic
compounds
the
source
conductivity.
Hydrogels
were
synthesized
acrylamide,
poly(ethylene
glycol),
carboxymethyl
cellulose,
systematic
variation
LiCl,
NaCl,
KCl,
labeled
Li-CH,
Na-CH,
K-CH,
respectively,
explore
effects
on
nanostructure
mechanical
properties
hydrogels.
Among
different
formulations,
Na-CH
demonstrated
superior
performance
optimized
elongation
at
break,
tensile
strength,
toughness,
highlighting
importance
ion
selection
in
design.
also
exhibited
excellent
outstanding
transparency,
high
sensitivity
detecting
wide
range
body
movements,
from
large-scale
gestures
subtle
physiological
signals
such
pulse
detection.
With
its
exceptional
robustness,
repeatable
sensing
performance,
shows
great
potential
future
applications
flexible
electronics,
healthcare
monitoring
systems,
smart
display
technologies.
Gels,
Год журнала:
2025,
Номер
11(4), С. 220 - 220
Опубликована: Март 21, 2025
The
rapid
advancement
of
wearable
electronics
has
catalyzed
the
development
flexible,
lightweight,
and
highly
conductive
materials.
Among
these,
hydrogels
have
emerged
as
promising
candidates
due
to
their
tissue-like
properties,
which
can
minimize
mechanical
mismatch
between
flexible
devices
biological
tissues
excellent
electrical
conductivity,
stretchability
biocompatibility.
However,
environmental
impact
synthetic
components
production
processes
in
conventional
poses
significant
challenges
sustainable
application.
This
review
explores
recent
advances
eco-friendly
used
healthcare,
focusing
on
design,
fabrication,
applications
green
electronics.
Emphasis
is
placed
use
natural
polymers,
bio-based
crosslinkers,
synthesis
methods
improve
sustainability
while
maintaining
high
performance.
We
discuss
incorporation
polymers
carbon-based
nanomaterials
into
environmentally
benign
matrices.
Additionally,
article
highlights
strategies
for
improving
biodegradability,
recyclability,
energy
efficiency
these
By
addressing
current
limitations
future
opportunities,
this
aims
provide
a
comprehensive
understanding
friendly
basis
next
generation
technologies.
