Intelligent Robotic Sensory System with Epidermis‐Dermis Bionic Electronic Skin for Autonomous Hardness/Softness‐Based Material Perception
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Abstract
Traditional
electronic
skin
(e‐skin),
due
to
the
lack
of
human‐skin‐like
complex
sensitive
structures
and
their
derived
autonomous
perception
decision‐making
capabilities
tactile
nervous
system,
makes
it
difficult
achieve
performance
deep‐level
intelligence
comparable
human
skin.
Herein,
a
soft/hardware‐synergy‐motivated
epidermis‐dermis
bionic
(EDB)
e‐skin
is
proposed,
inspired
by
interlaced
papillary
projections
between
epidermis
dermis.
Benefiting
from
interlocked
microdome
iontronic
effect,
EDB
exhibits
maximum
sensitivity
1558.3
kPa
−1
(<1
kPa),
low
limit
detection
<0.01
Pa,
fast
response/recovery
time
<5.6
ms.
In
addition,
feasibility
hardness/softness‐based
material
technology
verified
through
test
results
COMSOL
finite
element
analysis.
Further,
after
being
equipped
with
“tactile
system”,
that
is,
hardware
functional
modules
terminal
artificial
neural
networks,
an
intelligent
robotic
sensory
system
integrated
fingertips
developed.
With
single
touch,
this
can
autonomously
in
real‐time
perceive
different
materials,
achieving
abilities
those
humans.
Язык: Английский
Five-Cavity Resonance Inspired, rGO Nano-Sheet Reinforced, Multi-Site Voice Synergetic Detection Hydrogel Sensors with Diverse Self-Adhesion and Robust Wireless Transmissibility
Gels,
Год журнала:
2025,
Номер
11(4), С. 233 - 233
Опубликована: Март 23, 2025
The
practical
application
of
flexible
sensors
in
sound
detection
is
significantly
hindered
by
challenges
such
as
information
isolation,
fragmentation,
and
low
fidelity.
To
address
these
challenges,
this
work
developed
a
composite
hydrogel
via
one-pot
method,
employing
polyvinyl
alcohol
(PVA)
the
first
network,
polyacrylic
acid
(PAA)
second
two-dimensional
nanomaterials—reduced
graphene
oxide
(rGO)—generated
through
redox
reaction
polydopamine
(PDA)
(GO)
conductive
fillers.
uniformly
distributed
rGO
within
forms
an
efficient
endowing
material
with
high
sensitivity
(GF
=
0.64),
excellent
conductivity
(8.15
S
m−1),
rapid
response
time
(350
ms),
outstanding
stability.
synergistic
interaction
between
PDA
PAA
modulates
hydrogel’s
adhesion
(0.89
kPa),
enabling
conformal
attachment
to
skin
surfaces.
designed
rGO@PVA-PAA
hydrogel-based
sensor
effectively
monitors
vibrations
across
diverse
frequencies
originating
from
five
vocal
cavities
(head,
nasal,
oral,
laryngeal,
thoracic
cavities)
during
singing.
Integrated
multi-position
synchronization
Bluetooth
wireless
sensing
technologies,
system
achieves
coordinated
monitoring
multiple
cavities.
Furthermore,
demonstrates
versatility
detecting
physiological
signals,
including
electrocardiograms,
subtle
vibrations,
multi-scale
body
movements,
highlighting
its
broad
applicability
biomedical
motion-sensing
applications.
Язык: Английский
A novel strategy for preparing gradient hydrogels based on density difference-driven bidirectional self-growth
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161936 - 161936
Опубликована: Март 1, 2025
Язык: Английский
2D In‐Plane Mesoporous N‐Doped Carbon for Co‐Planar Integrated Microsystem of Micro‐Supercapacitor and Pressure Sensor
Small Methods,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
Abstract
The
rapid
evolution
of
next‐generation
portable,
wearable
and
implantable
electronics
has
increased
the
demand
for
multi‐functional
materials
flexible
miniaturized
integrated
microsystems
micro‐supercapacitors
(MSCs)
sensors.
To
address
this
urgent
need,
a
dual‐template
interfacial
assembly
strategy
is
proposed
to
fabricate
2D
in‐plane
mesoporous
N‐doped
carbon
(imNC)
as
dual‐functional
in
both
MSCs
pressure
sensors,
achieving
co‐planar
microsystem.
as‐prepared
imNC
nanosheets
feature
adjustable
mesopore
size
(7.3
–
23.2
nm),
specific
surface
area
(222
413
m
2
g
−1
)
nitrogen
content
(3.8%
5.9%).
relationship
between
size/nitrogen
composition
electrochemical
performance
are
established.
Subsequently,
imNC‐based
employing
ionogel
electrolyte
delivere
wide
operating
voltage
3.8
V,
high
areal
energy
density
41.9
µWh
cm
−2
excellent
flexibility
with
negligible
capacitance
loss
over
2000
bending
cycles,
along
tunable
current
output
through
multi‐device
integration.
More
importantly,
one
MSC
can
readily
power
an
sensor
on
same
substrate
monitoring
various
pressures
vibrations,
verifying
dual‐functionality
This
work
provides
broad
platform
creating
towards
Язык: Английский
From preparation to application: Functional carrageenan-based hydrogels for biomedical and sensing uses
Materials Today Chemistry,
Год журнала:
2025,
Номер
45, С. 102668 - 102668
Опубликована: Апрель 1, 2025
Язык: Английский
Biomimetic Self-Powered Smart Insole with AI-Enhanced Mechanodiagnosis for Continuous Gait Monitoring
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Abstract
Continuous
gait
analysis
is
essential
for
early
detection
and
management
of
neuromuscular
disorders,
yet
current
wearable
technologies
face
limitations
in
sensing
capacity,
energy
autonomy,
real-time
diagnostic
capabilities,
restricting
their
clinical
adoption.
Here,
we
present
a
biomimetic
smart
insole
that
synergizes
nature-inspired
sensing,
self-sustaining
harvesting,
artificial
intelligence
(AI)
to
enable
continuous,
clinically
actionable
monitoring.
Mimicking
the
mechanosensory
architecture
mantis
legs,
our
dual-microstructure
capacitive
sensor
achieves
sensitivity
0.602
kPa
⁻¹,
limit
0.10
Pa,
broad
range
(0.10
Pa–1.40
MPa)
with
exceptional
durability
(>12,000
cycles),
outperforming
state-of-the-art
sensors.
A
custom-designed
flexible
circuit
wirelessly
streams
16-channel
pressure
data
companion
APP,
providing
visualization
dynamic
force
fields
through
chromatic
mapping.
The
system’s
autonomy
ensured
by
hybrid
perovskite
solar
cell/lithium-sulfur
battery,
enabling
continuous
operation
across
diverse
environments.
An
embedded
AI
framework
combines
random
forest
classifier
(96%
accuracy
foot
arch
abnormality
detection)
convolutional
neural
network
(97.6%
classifying
12
pathological
patterns),
translating
raw
into
insights.
This
platform
bridges
gap
between
precision
diagnostics,
offering
transformative
potential
disease
detection,
personalized
rehabilitation,
telemedicine,
thus
establishing
paradigm
next-generation
intelligent
wearables
global
healthcare.
Язык: Английский
A highly conductive, self-adhesive, freeze-resistant organohydrogel for flexible strain sensors with an ultra-wide strain range and high sensitivity
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2025,
Номер
unknown, С. 136778 - 136778
Опубликована: Март 1, 2025
Язык: Английский
Development of a shear strengthening conductive hydrogel for impact protection and distress signal emission
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 162280 - 162280
Опубликована: Апрель 1, 2025
Язык: Английский
An Implantable In‐Hydrogel Wireless Supercapacitor‐Activated Neuron System Enables Bidirectional Modulation
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
The
bidirectional
modulation
of
cerebral
neurons
in
the
brain
possesses
enhancement
and
inhibition
neural
activity,
which
is
great
interest
treatment
motor
nerve
disorders
emotional
disorders,
cognitive
defects.
However,
existing
approaches
usually
rely
on
electrical/electrochemical
stimulations,
show
low
security
by
implanting
metal
probes
unidirectional
currents
with
single
modulation.
Herein,
an
implantable
in‐hydrogel
wireless
supercapacitor‐activated
neuron
system
consisting
coil,
diode
bridge
circuit,
supercapacitor,
stimulation
electrodes
fabricated,
provides
a
adjustable
ion
diffusion
current
to
safely
effectively
excite
inhibit
neurons.
designed
supercapacitor
exhibits
high
storage
charge
ability
≈90
times
larger
than
devices
without
hydrogel
encapsulation,
owing
situ
radical
addition
mechanism.
Moreover,
are
implanted
into
thalamus,
amygdala,
prefrontal
lobes
evoke
corresponding
changes
potential
intensity
frequency
through
external
chargeable
coil
verifies
multimodule
amelioration
Parkinson's,
severe
depression,
Alzheimer's
disease.
Язык: Английский