Advanced Electronic Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
Abstract
The
advent
of
neuromorphic
substrates
is
promoting
the
development
in
materia
autonomous
and
adaptive
devices,
employed
as
hardware
solutions
to
reduce
current
inefficiencies
traditional
data
processing
techniques,
terms
energy
requirements.
integration
capabilities
on
soft
materials
here
focused
edge
computing
paradigm
interest
for
robotics
wearable
devices.
For
such
purposes,
gold
nanostructured
complex
networks
produced
gas
phase
are
fabricate
latter
a
Polydimethylsiloxane
(PDMS)
substrate
equipped
with
stretchable
laser‐induced
graphene
electrodes,
exploited
production
devices
bridge
gap
between
interaction
environment.
description
control
non‐linear,
resistive
switching
electrical
properties
demonstrated
by
mechano‐responsive
electronic
switches
reconfigurable
logic
gates.
These
preserve
Boolean
functions
classifications
even
under
small
mechanical
perturbations,
thanks
redundant
connectivity
networks.
results
constitute
promising
starting
point
fruitful
combination
physical
intelligence
directly
integrated
systems
efficiently
interact
surrounding
scenario.
Stretchable
piezoresistive
pressure
sensors
are
susceptible
to
tensile
strain,
leading
signal
cross-talk
and
inaccurate
measurements.
Therefore,
it
is
a
challenge
find
an
effective
method
reduce
the
effect
of
strain
on
stretchable
sensors.
Herein,
strain-insensitive
sensor
(SISPS)
with
serpentine
nested
structure
was
constructed
through
laser
engraving
graphene.
The
dispersion
reduced
variation
in
relative
resistance
only
0.3%
under
80%
resulting
significant
performance.
obtained
demonstrated
high
sensitivity
(1.41
×
10–1
kPa–1),
broad
sensing
range
(0–50
kPa),
short
response
time
(100
ms),
low
detection
limit
Pa),
good
cyclic
stability
(3000@10
kPa).
capable
accurately
detecting
human
physiological
body
motion
signals
including
pulse,
muscle
movement,
laryngeal
vocalizations.
Advanced Intelligent Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 23, 2025
Wearable
sensors
are
transforming
our
capacity
to
monitor
a
broad
range
of
activities
for
recreation
and
health
purposes.
Developing
low‐cost
personalized
on
materials
could
enable
applicability
irrespective
the
material
substrate.
Here,
methods
fabrication,
characterization,
application
kirigami
graphene
strain
described.
The
dynamic
these
is
characterized,
showing
that
structure
enhances
application‐specific
device
performance,
demonstrating
this
strategy
applicable
materials.
We
apply
develop
variety
measurement
frequencies
biological
phenomena
including
evaluation
abdominal
distention
respiration
in
pig
model,
as
well
human
heart
rate
measurement,
limb
actuation,
hand
gesture
interpretation
volunteers.
Through
experiments,
we
show
customized
can
be
broadly
applied
across
consumer
applications.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 24, 2025
Abstract
Muscle
on
a
Chip
devices
are
valuable
research
tools
for
interrogating
the
structure
and
physiology
of
engineered
heart,
skeletal,
or
smooth
muscle
tissue
constructs
from
molecular
to
multi‐cellular
level.
However,
many
existing
rely
functional
assays
with
limited
throughput,
such
as
optical
microscopy,
measure
contractility.
Although
electrical
components
have
been
integrated
automate
recordings
in
advanced
devices,
their
fabrication
typically
requires
specialized
equipment
found
cleanroom
facilities.
In
this
work,
miniature
strain
gauges
record
contractions
skeletal
bundles
using
only
benchtop
equipment.
A
commercial
CO
2
laser
is
employed
generate
patterns
laser‐induced
graphene
(LIG)
polyimide
(PI)
films.
LIG
then
transferred
PI
thin
polydimethylsiloxane
(PDMS)
films
make
conductive
intrinsically
flexible
stretchable
layers
that
demonstrate
long‐term
stability
under
repeated
cycles
stretch.
Engineered
anchored
LIG‐PDMS
contraction
sensed
response
stimulation,
which
delivered
by
LIG‐PI
stimulation
electrodes
also
into
device.
Collectively,
these
results
an
attractive
material
rapidly
inexpensively
integrating
situ
sensing
devices.