ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(6), P. 7826 - 7837
Published: Feb. 1, 2024
Conductive
hydrogels
have
garnered
significant
interest
in
the
realm
of
wearable
flexible
sensors
due
to
their
close
resemblance
human
tissue,
wearability,
and
precise
signal
acquisition
capabilities.
However,
concurrent
attainment
an
epidermal
hydrogel
sensor
incorporating
reliable
self-healing
capabilities,
biodegradability,
robust
adhesiveness,
ability
precisely
capture
subtle
electrophysiological
signals
poses
a
daunting
intricate
challenge.
Herein,
innovative
MXene-based
composite
(PBM
hydrogel)
with
exceptional
self-healing,
self-adhesive,
versatile
functionality
is
engineered
through
integration
conductive
MXene
nanosheets
into
well-structured
poly(vinyl
alcohol)
(PVA)
bacterial
cellulose
(BC)
three-dimensional
(3D)
network,
utilizing
multiple
dynamic
cross-linking
synergistic
repeated
freeze–thaw
strategy.
The
harnesses
presence
dynamically
reversible
borax
ester
bonds
hydrogen
between
its
constituents,
endowing
it
rapid
efficiency
(97.8%)
formidable
self-adhesive
capability.
assembled
PBM
possesses
response
time
(10
ms)
exhibits
versatility
detecting
diverse
external
stimuli
movements
such
as
vocalization,
handwriting,
joint
motion,
Morse
code
signals,
even
monitoring
infusion
status.
Additionally,
offers
added
advantage
swift
degradation
phosphate-buffered
saline
solution
(within
span
56
days)
H2O2
(in
just
53
min),
maintaining
eco-friendly
profile
devoid
any
environmental
pollution.
This
work
lays
groundwork
for
possible
uses
electronic
skins,
interactions
humans
machines,
individualized
healthcare.
Small,
Journal Year:
2023,
Volume and Issue:
20(9)
Published: Oct. 10, 2023
Abstract
Conductive
microfibers
play
a
significant
role
in
the
flexibility,
stretchability,
and
conductivity
of
electronic
skin
(e‐skin).
Currently,
fabrication
conductive
suffers
from
either
time‐consuming
complex
operations
or
is
limited
environments.
Thus,
it
presents
one‐step
method
to
prepare
hydrogel
based
on
microfluidics
for
construction
ultrastretchable
e‐skin.
The
are
achieved
with
MXene
cores
shells,
which
solidified
covalent
cross‐linking
between
sodium
alginate
calcium
chloride,
mechanically
enhanced
by
complexation
reaction
poly(vinyl
alcohol)
hydroxide.
microfiber
conductivities
tailorable
adjusting
flow
rate
concentration
core
shell
fluids,
essential
more
practical
applications
scenarios.
More
importantly,
patterned
e‐skin
can
be
constructed
combining
3D
printing
technology.
Because
great
advantages
mechanical
electrical
performance
microfibers,
shows
impressive
stretching
sensitivity,
also
demonstrate
attractive
application
values
motion
monitoring
gesture
recognition.
These
characteristics
indicate
that
has
potential
health
monitoring,
wearable
devices,
smart
medicine.
Small,
Journal Year:
2024,
Volume and Issue:
20(33)
Published: April 2, 2024
Wearable
pressure
sensors
have
attracted
great
interest
due
to
their
potential
applications
in
healthcare
monitoring
and
human-machine
interaction.
However,
it
is
still
a
critical
challenge
simultaneously
achieve
high
sensitivity,
low
detection
limit,
fast
response,
outstanding
breathability
for
wearable
electronics
the
difficulty
constructing
microstructure
on
porous
substrate.
Inspired
by
spinosum
of
human
skin
highly-sensitive
tactile
perception,
biomimetic
flexible
sensor
designed
fabricated
assembling
MXene-based
sensing
electrode
interdigitated
electrode.
The
product
exhibits
good
flexibility
suitable
air
permeability
(165.6
mm
s
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(5), P. 2300 - 2325
Published: Jan. 1, 2024
Bioinspired
2D
nanofluidic
membranes
enable
efficient
and
selective
ion
transport.
Further
research
in
this
area
is
essential
to
facilitate
the
development
of
high-performance
energy
conversion
storage
devices
for
a
sustainable
future.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(6), P. 7826 - 7837
Published: Feb. 1, 2024
Conductive
hydrogels
have
garnered
significant
interest
in
the
realm
of
wearable
flexible
sensors
due
to
their
close
resemblance
human
tissue,
wearability,
and
precise
signal
acquisition
capabilities.
However,
concurrent
attainment
an
epidermal
hydrogel
sensor
incorporating
reliable
self-healing
capabilities,
biodegradability,
robust
adhesiveness,
ability
precisely
capture
subtle
electrophysiological
signals
poses
a
daunting
intricate
challenge.
Herein,
innovative
MXene-based
composite
(PBM
hydrogel)
with
exceptional
self-healing,
self-adhesive,
versatile
functionality
is
engineered
through
integration
conductive
MXene
nanosheets
into
well-structured
poly(vinyl
alcohol)
(PVA)
bacterial
cellulose
(BC)
three-dimensional
(3D)
network,
utilizing
multiple
dynamic
cross-linking
synergistic
repeated
freeze–thaw
strategy.
The
harnesses
presence
dynamically
reversible
borax
ester
bonds
hydrogen
between
its
constituents,
endowing
it
rapid
efficiency
(97.8%)
formidable
self-adhesive
capability.
assembled
PBM
possesses
response
time
(10
ms)
exhibits
versatility
detecting
diverse
external
stimuli
movements
such
as
vocalization,
handwriting,
joint
motion,
Morse
code
signals,
even
monitoring
infusion
status.
Additionally,
offers
added
advantage
swift
degradation
phosphate-buffered
saline
solution
(within
span
56
days)
H2O2
(in
just
53
min),
maintaining
eco-friendly
profile
devoid
any
environmental
pollution.
This
work
lays
groundwork
for
possible
uses
electronic
skins,
interactions
humans
machines,
individualized
healthcare.
