ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(14), P. 8548 - 8559
Published: July 16, 2024
The
use
of
hydrogel
strain
sensors
in
flexible
electronic
wearable
devices
has
garnered
significant
attention.
However,
achieving
hydrogels
with
comprehensive
properties
such
as
excellent
tensile
strength,
strong
adhesion,
rapid
self-healing,
and
high
sensitivity
simultaneously
remains
challenging.
Herein,
inspired
by
mussels,
we
developed
a
straightforward
polymerization
process
an
aqueous
solution
using
the
polymerizable
monomer
3-methylacryloyldopamine,
containing
catechol
structural
unit,
along
acrylic
acid,
sodium
acrylate,
ethylene
imine
polymer,
zwitterionic
[2-(methacryloyloxy)
ethyl]
dimethyl-(3-sulfopropyl).
This
resulted
double-network
structure
featuring
multiple
dynamic
interactions.
sensor
exhibited
remarkable
(up
to
4200%),
adhesion
(adhesion
for
wood:
3370
kPa),
self-healing
ability
(3
s),
(GF
=
13.75),
allowing
accurate
repeatable
detection
both
large-scale
subtle
human
movements.
Furthermore,
addition
glycerol
endowed
capability
functioning
at
low
temperatures
(−40
°C).
Such
adhesive
dopamine-based
also
potential
skins,
dressing,
human–machine
interface.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(2)
Published: Jan. 10, 2024
Hydrogel-enabled
skin
bioelectronics
that
can
continuously
monitor
health
for
extended
periods
is
crucial
early
disease
detection
and
treatment.
However,
it
challenging
to
engineer
ultrathin
gas-permeable
hydrogel
sensors
self-adhere
the
human
long-term
daily
use
(>1
week).
Here,
we
present
a
~10-micrometer-thick
polyurethane
nanomesh-reinforced
sensor
continuous
high-quality
electrophysiological
monitoring
8
days
under
life
conditions.
This
research
involves
two
key
steps:
(i)
material
design
by
gelatin-based
thermal-dependent
phase
change
hydrogels
(ii)
robust
thinness
geometry
achieved
through
nanomesh
reinforcement.
The
resulting
exhibit
thickness
of
~10
micrometers
with
superior
mechanical
robustness,
high
adhesion,
gas
permeability,
anti-drying
performance.
To
highlight
potential
applications
in
treatment
leverage
collective
features,
demonstrate
long-term,
high-precision
conditions
up
days.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
Conductive
hydrogel
has
garnered
significant
attention
as
an
emergent
candidate
for
diverse
wearable
sensors,
owing
to
its
remarkable
and
tailorable
properties
such
flexibility,
biocompatibility,
strong
electrical
conductivity.
These
attributes
make
it
highly
suitable
various
sensor
applications
(e.g.,
biophysical,
bioelectrical,
biochemical
sensors)
that
can
monitor
human
health
conditions
provide
timely
interventions.
Among
these
applications,
conductive
hydrogel-based
temperature
sensors
are
especially
important
healthcare
disease
surveillance.
This
review
aims
a
comprehensive
overview
of
sensors.
First,
this
work
summarizes
different
types
fillers-based
hydrogel,
highlighting
their
recent
developments
advantages
Next,
discusses
the
sensing
characteristics
focusing
on
sensitivity,
dynamic
stability,
stretchability,
signal
output.
Then,
state-of-the-art
introduced,
ranging
from
body
detection
wound
monitoring.
Finally,
identifies
remaining
challenges
prospects
facing
field.
By
addressing
with
potential
solutions,
hopes
shed
some
light
future
research
innovations
in
promising
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(1), P. 126 - 138
Published: Jan. 3, 2024
Cardiac
monitoring
after
heart
surgeries
is
crucial
for
health
maintenance
and
detecting
postoperative
complications
early.
However,
current
methods
like
rigid
implants
have
limitations,
as
they
require
performing
second
complex
removal,
increasing
infection
inflammation
risks,
thus
prompting
research
improved
sensing
technologies.
Herein,
we
introduce
a
nanosensor
platform
that
biodegradable,
biocompatible,
integrated
with
multifunctions,
suitable
use
cardiac
monitoring.
The
device
has
two
electrochemical
biosensors
lactic
acid
pH
well
pressure
sensor
chemiresistor
array
volatile
organic
compounds.
Its
biocompatibility
myocytes
been
tested
in
vitro,
its
biodegradability
function
proven
ex
vivo
experiments
using
three-dimensional
(3D)-printed
model
3D-printed
tissue
patches.
Moreover,
an
artificial
intelligence-based
predictive
was
designed
to
fuse
data
more
precise
assessment,
making
it
candidate
clinical
use.
This
promises
impactful
applications
the
realm
of
patient
care,
laying
foundation
advanced
life-saving
developments.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: March 18, 2024
Abstract
Biologically
inspired
peptide‐based
materials,
as
novel
charge
transport
have
gained
increasing
interest
in
bioelectronics
due
to
their
remarkable
electrical
properties
and
inherent
biocompatibility.
Extensive
studies
shown
that
peptides
can
self‐assemble
into
a
variety
of
hierarchical
nanostructures
with
unique
physical
through
supramolecular
interactions.
Therefore,
materials
hold
great
promise
for
applications
emerging
electronic
fields
such
sensing,
energy
harvesting,
storage,
transmission.
Herein,
this
work
proposes
review
article
summarize
the
rational
design
research
progress
devices
bioelectronics.
This
first
introduces
strategies
assembly
mechanism
constructing
high‐performance
devices.
In
following
part,
are
systematically
classified
discussed,
including
sensors,
piezoelectric
nanogenerators,
electrodes,
semiconductors.
Finally,
remaining
challenges
future
perspectives
bioelectronic
presented.
believes
will
provide
inspiration
guidance
development
innovative
smart
field
npj Flexible Electronics,
Journal Year:
2024,
Volume and Issue:
8(1)
Published: May 11, 2024
Abstract
Wound
infection
is
a
worldwide
health
issue
that
not
only
brings
large
detrimental
effects
to
people’s
physical
and
mental
health,
but
also
causes
substantial
economic
burdens
society.
By
using
traditional
surgical
debridement
antibiotic
therapy,
patients
generally
suffer
more
pain
are
at
risk
of
recurring
infections.
Thus,
the
development
non-antibiotic
treatment
methods
desperately
needed.
Currently,
emerging
flexible
wound
dressings
with
physiological
signal
detection,
inactivated
infectious
pathogen,
wound-healing
promoting
properties
has
exhibited
immense
potential
for
infected
wound.
Among
various
dressings,
MXene‐based
electronic
materials
as
special
electroactive,
mechanical,
photophysical,
biological
performances
possess
broad
application
prospect
in
healthcare.
In
this
review,
challenges
management
introduced.
Next,
types
MXene-based
features
outlined.
Then
recent
advance
detection
summarized.
Lastly,
predicaments,
prospects,
future
directions
discussed.
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(21)
Published: Feb. 27, 2024
Abstract
The
vigorous
development
of
wearable
and
implantable
electronics
provides
a
series
new
solutions
for
human
health
monitoring
disease
diagnosis
treatment.
Considering
the
particularity
operating
environment,
this
also
puts
forward
higher
requirements
energy
storage
devices
(ESDs).
Supercapacitors
stand
out
from
many
ESDs
due
to
their
unique
advantages,
such
as
high
power
density,
long
life,
ease
fabrication.
For
different
application
requirements,
supercapacitors
are
developing
toward
flexibility,
multifunction,
integration.
This
review
highlights
recent
progress
in
supercapacitor‐integrated
systems.
Smart
with
properties,
applications,
integrations
various
sensors
and/or
energy‐harvesting
discussed
summarized
thoroughly.
Furthermore,
all‐in‐one
device
enabled
by
compatible
materials
ingenious
structure
design
is
described.
From
practical
perspectives,
key
challenges
facing
systems
presented,
suggestions
future
research
directions
given.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(7)
Published: June 4, 2024
Abstract
Flexible
electronics
has
emerged
as
a
continuously
growing
field
of
study.
Two‐dimensional
(2D)
materials
often
act
conductors
and
electrodes
in
electronic
devices,
holding
significant
promise
the
design
high‐performance,
flexible
electronics.
Numerous
studies
have
focused
on
harnessing
potential
these
for
development
such
devices.
However,
to
date,
incorporation
2D
rarely
been
summarized
or
reviewed.
Consequently,
there
is
an
urgent
need
develop
comprehensive
reviews
rapid
updates
this
evolving
landscape.
This
review
covers
progress
complex
material
architectures
based
materials,
including
interfaces,
heterostructures,
2D/polymer
composites.
Additionally,
it
explores
wearable
energy
storage
conversion,
display
touch
technologies,
biomedical
applications,
together
with
integrated
solutions.
Although
pursuit
high‐performance
high‐sensitivity
instruments
remains
primary
objective,
also
warrants
consideration.
By
combining
multiple
functionalities
into
singular
device,
augmented
by
machine
learning
algorithms,
we
can
potentially
surpass
performance
existing
technologies.
Finally,
briefly
discuss
future
trajectory
burgeoning
field.
discusses
recent
advancements
sensors
made
from
their
applications
architecture
device
design.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(30), P. 11265 - 11284
Published: Jan. 1, 2024
This
review
highlights
the
recent
progress
on
polymerizable
deep
eutectic
solvents
(PDES)
and
polyDES
as
liquid-free
ionic
elastomers
in
bioelectronics
discusses
future
directions
how
these
functional
polymers
can
expand
field.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 8, 2024
Abstract
Non‐invasive
electrodes
for
recording
and
delivering
electric
signals
to
the
human
body
are
crucial
health
monitoring
rehabilitation
applications.
However,
high‐fidelity
signal
or
delivery
with
epidermal
remains
a
challenge
due
need
shape
customization,
account
variance
of
morphology
among
individuals,
conformal
contact,
accommodate
creviced
skin
surfaces,
intricate
curves,
moving
bodies.
In
this
study,
conductive
self‐adhesive
hydrogel
direct
ink
writing
wearable
on
is
presented,
utilizing
physical
cross‐linking
mechanisms
between
bio‐based
polymers.
With
fast
gelation
time
facile
fabrication
method,
printed
achieves
0.40
mm
resolution
via
handheld
3D
printers.
Compared
silver/silver
chloride
(Ag/AgCl)
coated
gel
electrode
standards,
formed
in
situ
higher
signal‐to‐noise
ratio
by
88%,
forearm
muscle
biopotential
decreases
required
current
from
3.5
2.25
mA,
functional
electrical
stimulation
eye
closure.
The
lowered
contact
impedance
attributed
its
sol–gel
transition
skin,
demonstrating
potential
enable
future
healthcare
applications
improved
personalization,
efficiency,
comfort.
