Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
25(2), P. 614 - 625
Published: Jan. 19, 2024
Conductive
hydrogels
integrate
the
conductive
performance
and
soft
nature,
which
is
like
that
of
human
skin.
Thus,
they
are
more
suitable
for
preparation
wearable
human-motion
sensors.
Nevertheless,
integration
outstanding
multiple
functionalities,
such
as
stretchability,
toughness,
biocompatibility,
self-healing,
adhesion,
strain
sensitivity,
durability,
by
a
simple
way
still
huge
challenge.
Herein,
we
have
developed
multifunctional
chitosan/oxidized
hyaluronic
acid/hydroxypropyl
methylcellulose/poly(acrylic
acid)/tannic
acid/Al3+
hydrogel
(CS/OHA/HPMC/PAA/TA/Al3+)
using
two-step
method
with
hydroxypropyl
methylcellulose
(HPMC),
acrylic
acid
(AA),
tannic
(TA),
chitosan
(CS),
oxidized
(OHA),
aluminum
chloride
hexahydrate
(AlCl3·6H2O).
Due
to
synergistic
effect
dynamic
imine
bonds
between
CS
OHA,
metal
coordination
Al3+
−COOH
and/or
TA
well
reversible
hydrogen,
showed
excellent
tensile
property
(elongation
at
break
3168%)
desirable
toughness
(0.79
MJ/m3).
The
mechanical
self-healing
efficiency
can
reach
95.5%
30
min,
conductivity
recover
in
5.2
s
room
temperature
without
stimulation.
favorable
attribute
high
transparency
(98.5%
transmittance)
facilitates
transmission
optical
signal
enables
visualization
sensor.
It
also
shows
good
adhesiveness
various
materials
easy
peel
off
residue.
resistance
hydrogel-based
sensors
electrical
(2.33
S
m–1),
sensing
sensitivity
(GF
value
4.12
under
1600%
strain),
low
detection
limit
(less
than
1%),
short
response/recovery
time
(0.54/0.31
s).
adhered
skin
monitored
movements
bending
joints,
swallowing,
speaking
successfully.
Therefore,
obtained
has
great
potential
applications
Advanced Electronic Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
Abstract
As
hydrogel
research
progresses,
hydrogels
are
becoming
essential
tools
in
bioelectronics
and
biotechnology.
This
review
explores
the
diverse
range
of
natural
synthetic
gel
materials
tailored
for
specific
bioelectronic
applications,
with
a
focus
on
their
integration
electronic
components
to
create
responsive,
multifunctional
systems.
The
role
Artificial
Intelligence
(AI)
advancing
design
functionality
from
optimizing
material
properties
enabling
precise,
predictive
modeling
is
investigated.
Furthermore,
recent
innovations
that
harness
synergy
between
hydrogels,
electronics,
AI
discussed,
emphasizing
potential
these
drive
future
advances
biomedical
technologies.
AI‐driven
approaches
transforming
development
applications
wound
healing,
biosensing,
drug
delivery,
tissue
engineering.
Micromachines,
Journal Year:
2022,
Volume and Issue:
13(9), P. 1395 - 1395
Published: Aug. 26, 2022
With
the
development
of
cross-fertilisation
in
various
disciplines,
flexible
wearable
sensing
technologies
have
emerged,
bringing
together
many
such
as
biomedicine,
materials
science,
control
and
communication
technology.
Over
past
few
years,
multiple
types
devices
that
are
widely
used
for
detection
human
physiological
signals
has
proven
strong
biocompatibility
a
great
potential
further
development.
These
include
electronic
skin
patches,
soft
robots,
bio-batteries,
personalised
medical
devices.
In
this
review,
we
present
an
updated
overview
emerging
sensor
biomedical
applications
comprehensive
summary
research
progress
sensors.
First,
describe
selection
fabrication
their
excellent
electrochemical
properties.
We
evaluate
mechanisms
by
which
these
work,
then
categorise
compare
unique
advantages
variety
from
perspective
vitro
vivo
sensing,
well
some
exciting
body.
Finally,
summarise
opportunities
challenges
field
Materials Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
7(16), P. 3278 - 3297
Published: Jan. 1, 2023
A
flexible
sensor
is
a
key
part
of
intelligent
wearable
devices.
The
design
micro–nano
structured
materials
in
sensors
crucial.
Therefore,
the
recent
application
devices
summarized.
