Abstract
Diabetes
significantly
impairs
the
body's
wound‐healing
capabilities,
leading
to
chronic,
infection‐prone
wounds.
These
wounds
are
characterized
by
hyperglycemia,
inflammation,
hypoxia,
variable
pH
levels,
increased
matrix
metalloproteinase
activity,
oxidative
stress,
and
bacterial
colonization.
complex
conditions
complicate
effective
wound
management,
prompting
development
of
advanced
diabetic
care
strategies
that
exploit
specific
characteristics
such
as
acidic
pH,
high
glucose
stress
trigger
controlled
drug
release,
thereby
enhancing
therapeutic
effects
dressings.
Among
solutions,
hydrogels
emerge
promising
due
their
stimuli‐responsive
nature,
making
them
highly
for
managing
these
The
latest
advancements
in
mono/multi‐stimuli‐responsive
smart
showcase
superiority
potential
healthcare
materials,
highlighted
relevant
case
studies.
However,
traditional
dressings
fall
short
meeting
nuanced
needs
wounds,
adjustable
adhesion,
easy
removal,
real‐time
status
monitoring,
dynamic
release
adjustment
according
wound's
conditions.
Responsive
represent
a
significant
leap
forward
proficient
sensing
responding
environment,
offering
more
targeted
approach
treatment.
This
review
highlights
recent
dressing,
delivery,
emphasizing
role
improving
healing.
It
addresses
ongoing
challenges
future
directions,
aiming
guide
clinical
adoption.
Advanced Materials,
Год журнала:
2024,
Номер
36(35)
Опубликована: Июль 5, 2024
Touch
control
intention
recognition
is
an
important
direction
for
the
future
development
of
human-machine
interactions
(HMIs).
However,
implementation
parallel-sensing
functional
modules
generally
requires
a
combination
different
logical
blocks
and
circuits,
which
results
in
regional
redundancy,
redundant
data,
low
efficiency.
Here,
location-and-pressure
intelligent
tactile
sensor
(LPI
sensor)
unprecedentedly
combined
with
sensing,
computing,
logic
proposed,
enabling
efficient
ultrahigh-resolution
action-intention
interaction.
The
LPI
eliminates
need
data
transfer
among
units
through
core
integration
design
layered
structure.
It
actuates
in-sensor
perception
feature
transmission,
fusion,
differentiation,
thereby
revolutionizing
traditional
von
Neumann
architecture.
While
greatly
simplifying
dimensionality,
achieves
outstanding
resolution
sensing
both
location
(<400
µm)
pressure
(75
Pa).
Synchronous
fusion
decoding
support
high-fidelity
action
combinatorial
intentions.
Benefiting
from
synergy,
demonstrates
robust
privacy
as
encrypted
password
device
interaction
intelligence
enhancement.
can
recognize
continuous
touch
actions
real
time,
map
intentions
to
target
events,
promote
accurate
intention-driven
HMIs.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 6, 2024
Abstract
Wearable
sensors
for
continuous
monitoring
of
biomarkers
in
body
fluids
have
gained
significant
attention
their
potential
disease
diagnostics
and
health
management,
but
lack
sustainable
power
supply
advanced
sensing
strategies.
Herein,
sweat
wearable
biofuel
cells
(w‐BFCs)
based
on
metal
hydrogels
are
demonstrated
with
high
output
outstanding
stability,
which
harvest
energy
directly
from
human
simultaneously
enable
self‐powered
epidermal
biomarkers.
Experimental
computational
results
elucidate
that
the
highly
porous
flexible
exhibit
superior
electrocatalytic
capabilities
oxidizing
ascorbic
acid
(AA),
a
metabolite
at
anode,
reducing
O
2
cathode.
Consequently,
assembled
AA/O
BFC
delivers
stable
output,
maximum
density
35
µW
cm
−2
an
ultralow
AA
concentration
long‐term
stability
over
30
days,
self‐powered,
sensitive
detection.
When
applied
to
skin
volunteers,
this
integrated
w‐BFC
powers
biosensor
using
as
fuel
allowing
real‐time
signal
via
smartphone.
This
work
not
only
advances
harvesting
also
paves
new
avenues
real‐time,
online
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Abstract
Flexible
electromechanical
sensors
frequently
suffer
from
unexpected
impact
loadings
caused
by
slipping,
collisions
and
falling
objects,
to
name
a
few.
Without
sufficient
protection,
these
undesired
impacts
would
lead
critical
mechanical
instability
even
damage
flexible
sensors,
resulting
in
restricted
measurement
range
imprecise
sensing.
Thus,
it
is
of
significance,
but
still
fresh
challenge
enhance
the
stability
energy‐absorption
capacity
under
impacts.
Here,
multi‐design
strategy
proposed
construct
an
interpenetrating‐phase
cellulose‐acetate
composite
(IPC
2
)
architecture
for
impact‐intensive
sensing
applications.
The
external
structure
mimics
bellows‐morphology
beverage‐straws
that
deform
programmed
loading
direction
stability,
while
internal
conductive
core
has
co‐continuous
can
efficiently
absorb
energy.
Systematic
numerical
analysis
experimental
tests
demonstrate
IPC
presents
excellent
structural
cyclic
performance
unique
combination
exceptional
specific
energy
absorption
(SEA
=
2.66±1.2
kJ
kg
−1
),
low
density
(
ρ
720±10
m
−3
properties
(GF≈39.6).
Remarkably,
recovery
behaviors
terms
shape
electrical
signals
show
good
repeatability
reliability.
This
study
offers
new
framework
exploit
potentialities
with
protective
functions
commercial
values.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Abstract
Flexible
sensors
are
increasingly
recognized
for
their
transformative
potential
in
wearable
electronic
devices,
medical
monitoring,
and
human‐computer
interaction.
Despite
the
advancements,
developing
a
flexible
sensor
array
with
simple
structure
large
area
preparation
effective
signal
sensing
monitoring
capabilities
remains
challenging.
In
this
study,
hierarchical
rGO‐based
triboelectric
(HG‐FTS)
is
scalably
prepared
by
blade‐coating
approach,
which
nitrogen‐doped
reduced
graphene
oxide
(rGO)
sheet
hierarchically
deposited
polydimethylsiloxane
(PDMS)
layer.
The
performed
single
electrode
mode
not
only
demonstrates
exceptional
reliability
consistency
but
also
achieves
maximum
voltage
of
≈129
V
power
density
≈0.5
W
m
−2
.
These
characteristics
enable
real‐time
human
physiological
signals
joint
motion
high
fidelity.
Furthermore,
an
intelligent
interactive
control
system
developed
using
HG‐FTS,
featuring
digital
touch
screen
rectangular
pattern.
build
can
be
successfully
used
pressure
sensing,
object
shape
recognition,
trajectory
tracking.
This
work
provides
viable
solution
to
high‐performance
manufacturing
application
HG‐FTS
interaction,
sensing.
Flexible
on-skin
electronics
present
tremendous
popularity
in
intelligent
electronic
skins
(e-skins),
healthcare
monitoring,
and
human-machine
interfaces.
However,
the
reported
e-skins
can
hardly
provide
high
permeability,
good
stretchability,
large
sensitivity
are
limited
long-term
stability
efficient
recyclability
when
worn
on
human
body.
Herein,
inspired
from
skin,
a
permeable,
stretchable,
recyclable
cellulose
aerogel-based
system
is
developed
by
sandwiching
screen-printed
silver
sensing
layer
between
biocompatible
CNF/HPC/PVA
(cellulose
nanofiber/hydroxypropyl
cellulose/poly(vinyl
alcohol))
aerogel
hypodermis
permeable
polyurethane
as
epidermis
layer.
The
displays
tensile
strength
of
1.14
MPa
strain
43.5%
while
maintaining
permeability.
embrace
appealing
performances
with
(gauge
factor
≈
238),
ultralow
detection
limit
(0.1%),
fast
response
time
(18
ms)
under
stimulus.
Owing
to
disconnection
reconnection
microcracks
layer,
both
strain/humidity
thermal
be
easily
achieved.
further
integrated
into
an
mask
for
patient-centered
power
supply
system,
switching
control
device,
wireless
Bluetooth
module.
Moreover,
prepared
enables
wearing
skin
without
irritation,
all
components
recaptured/reused
water.
This
material
strategy
highlights
potential
next-generation
permeability
environmental
friendliness.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 20, 2024
Abstract
The
last
decades
have
witnessed
the
rapid
growth
of
hydrogel
bioelectronics.
Traditional
hydrogels
face
challenges
when
working
under
extreme
conditions,
causing
a
loss
stabilities
and
functionalities.
This
review
provides
systematic
overview
capable
with
focus
on
their
applications
in
bioelectronic
systems.
These
are
summarized
into
categories
anti‐mechanical
damage,
anti‐detachment,
anti‐swelling,
anti‐freezing,
anti‐foreign
body
response.
Strategies
including
material
development
structural
design
that
can
endow
above
properties
introduced.
Finally,
current
new
opportunities
developing
devices
systems
discussed.
Advanced Healthcare Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 17, 2024
Abstract
The
rapid
advancements
in
artificial
intelligence,
micro‐nano
manufacturing,
and
flexible
electronics
technology
have
unleashed
unprecedented
innovation
opportunities
for
applying
sensors
healthcare,
wearable
devices,
human–computer
interaction.
human
body's
tactile
perception
involves
physical
parameters
such
as
pressure,
temperature,
humidity,
all
of
which
play
an
essential
role
maintaining
health.
Inspired
by
the
sensory
function
skin,
many
bionic
been
developed
to
simulate
skin's
various
stimuli
are
widely
applied
health
monitoring.
Given
urgent
requirements
sensing
performance
integration
field
devices
monitoring,
here
is
a
timely
overview
recent
advances
multi‐functional
It
covers
fundamental
components
categorizes
them
based
on
different
response
mechanisms,
including
resistive,
capacitive,
voltage,
other
types.
Specifically,
application
these
area
monitoring
highlighted.
Based
this,
extended
dual/triple‐mode
integrating
temperature
presented.
Finally,
challenges
discussed.
