Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Abstract
Event‐driven
sensors
are
essential
for
real‐time
applications,
yet
the
integration
of
current
technologies
faces
limitations
such
as
high
cost,
complex
signal
processing,
and
vulnerability
to
noise.
This
work
introduces
a
bio‐inspired
mechanoluminescence
visuotactile
sensor
that
enables
standard
frame‐based
cameras
perform
event‐driven
sensing
by
emitting
light
only
under
mechanical
stress,
effectively
acting
an
event
trigger.
Drawing
inspiration
from
biomechanics
canine
teeth,
utilizes
rod‐patterned
array
enhance
mechanoluminescent
sensitivity
expand
contact
surface
area.
In
addition,
machine
learning‐enabled
algorithm
is
designed
accurately
analyze
interaction‐triggered
in
real‐time.
The
integrated
into
quadruped
robot's
mouth
interface,
demonstrating
enhanced
interactive
capabilities.
system
successfully
classifies
eight
activities
with
average
accuracy
92.68%.
Comprehensive
tests
validate
sensor's
efficacy
capturing
dynamic
tactile
signals
broadening
application
scope
robots
interaction
environment.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Апрель 15, 2023
Growing
health
awareness
triggers
the
public's
concern
about
problems.
People
want
a
timely
and
comprehensive
picture
of
their
condition
without
frequent
trips
to
hospital
for
costly
cumbersome
general
check-ups.
The
wearable
technique
provides
continuous
measurement
method
monitoring
by
tracking
person's
physiological
data
analyzing
it
locally
or
remotely.
During
process,
different
kinds
sensors
convert
signals
into
electrical
optical
that
can
be
recorded
transmitted,
consequently
playing
crucial
role
in
techniques.
Wearable
application
scenarios
usually
require
possess
excellent
flexibility
stretchability.
Thus,
designing
flexible
stretchable
with
reliable
performance
is
key
technology.
Smart
composite
hydrogels,
which
have
tunable
properties,
mechanical
biocompatibility,
multi-stimulus
sensitivity,
are
one
best
sensitive
materials
monitoring.
This
review
summarizes
common
synthetic
optimization
strategies
smart
hydrogels
focuses
on
current
field
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Март 5, 2024
Abstract
Centrosymmetric-oxide/polydimethylsiloxane
elastomers
emit
ultra-strong
non-pre-irradiation
mechanoluminescence
under
stress
and
are
considered
one
of
the
most
ideal
materials.
However,
previous
centrosymmetric-oxide/polydimethylsiloxane
show
severe
degradation
stretching,
which
limits
their
use
in
applications.
Here
we
an
elastomer
based
on
centrosymmetric
fluoride
CaF
2
:Tb
3+
polydimethylsiloxane,
with
that
can
self-recover
after
each
stretching.
Experimentation
indicates
self-recoverable
/polydimethylsiloxane
occurs
essentially
due
to
contact
electrification
arising
from
contact-separation
interactions
between
phosphors
polydimethylsiloxane.
Accordingly,
a
cycle
model
phosphor–polydimethylsiloxane
couple
is
established,
first-principles
calculations
performed
state
energies
cycle.
The
results
reveal
fluoride–polydimethylsiloxane
helps
induce
maintain
at
interface,
resulting
elastomer.
Therefore,
it
would
be
good
strategy
develop
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 21, 2024
Skin-attachable
electronics
have
garnered
considerable
research
attention
in
health
monitoring
and
artificial
intelligence
domains,
whereas
susceptibility
to
electromagnetic
interference
(EMI),
heat
accumulation
issues,
ultraviolet
(UV)-induced
aging
problems
pose
significant
constraints
on
their
potential
applications.
Here,
an
ultra-elastic,
highly
breathable,
thermal-comfortable
epidermal
sensor
with
exceptional
UV-EMI
shielding
performance
remarkable
thermal
conductivity
is
developed
for
high-fidelity
of
multiple
human
electrophysiological
signals.
Via
filling
the
elastomeric
microfibers
thermally
conductive
boron
nitride
nanoparticles
bridging
insulating
fiber
interfaces
by
plating
Ag
(NPs),
interwoven
conducting
network
(0.72
W
m
This
review
summarizes
the
fundamental
concepts,
recent
advancements,
and
emerging
trends
in
field
of
stimuli-responsive
hydrogels.
While
numerous
reviews
exist
on
this
topic,
continues
to
evolve
dynamically,
certain
research
directions
are
often
overlooked.
To
address
this,
we
classify
hydrogels
based
their
response
mechanisms
provide
an
in-depth
discussion
key
properties
mechanisms,
including
swelling
kinetics,
mechanical
properties,
biocompatibility/biodegradability.
We
then
explore
hydrogel
design,
synthesis,
structural
engineering,
followed
by
overview
applications
that
relatively
well
established
from
a
scientific
perspective,
biomedical
uses
(biosensing,
drug
delivery,
wound
healing,
tissue
engineering),
environmental
(heavy
metal
phosphate
removal
environment
polluted
water),
soft
robotics
actuation.
Additionally,
highlight
unconventional
such
as
local
micro-thermometers
cell
mechanotransduction.
concludes
with
current
challenges
future
prospects
field,
aiming
inspire
further
innovations
advancements
bring
them
closer
societal
needs.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 28, 2025
Abstract
Ionic
conductive
hydrogels
(ICHs)
are
emerging
as
key
materials
for
advanced
human‐machine
interactions
and
health
monitoring
systems
due
to
their
unique
combination
of
flexibility,
biocompatibility,
electrical
conductivity.
However,
a
major
challenge
remains
in
developing
ICHs
that
simultaneously
exhibit
high
ionic
conductivity,
self‐healing,
strong
adhesion,
particularly
under
extreme
low‐temperature
conditions.
In
this
study,
novel
ICH
composed
sulfobetaine
methacrylate,
methacrylic
acid,
TEMPO‐oxidized
cellulose
nanofibers,
sodium
alginate,
lithium
chloride
is
presented.
The
hydrogel
designed
with
hydrogen‐bonded
chemically
crosslinked
network,
achieving
excellent
conductivity
(0.49
±
0.05
S
m
−1
),
adhesion
(36.73
2.28
kPa),
self‐healing
capacity
even
at
−80
°C.
Furthermore,
the
maintain
functionality
over
45
days,
showcasing
outstanding
anti‐freezing
properties.
This
material
demonstrates
significant
potential
non‐invasive,
continuous
monitoring,
adhering
conformally
skin
without
signal
crosstalk,
enabling
real‐time,
high‐fidelity
transmission
cryogenic
These
offer
transformative
next
generation
multimodal
sensors,
broadening
application
possibilities
harsh
environments,
including
weather
outer
space.
Journal of Materials Chemistry C,
Год журнала:
2022,
Номер
10(37), С. 13789 - 13796
Опубликована: Янв. 1, 2022
A
gel
electrolyte-based
thermogalvanic
device
with
I
−
/I
3
as
a
redox
pair
is
fabricated,
which
shows
preferred
temperature
tolerance
and
superior
anti-drying
capacity.
Thus,
gel-based
monitoring
system
was
developed.
