Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(34)
Published: April 8, 2024
Abstract
Real‐time
detection
of
different
physiological
characteristics
is
crucial
for
human
physical
and
mental
health.
A
system
with
multimodal
sensing
capability,
high
sensitivity,
excellent
mechanical
properties,
environmental
stability
highly
desirable,
but
it
still
a
great
challenge.
Inspired
by
the
structural
gradient
biological
tissues,
multifunctional
sensor
based
on
carboxylic
styrene
butadiene
rubber
(XSBR)
sodium
polyacrylate
(PAANa)
non‐covalently
modified
MXenes
prepared
in
this
study,
which
exhibit
distribution
simultaneously
formed
an
orientation
arrangement
at
bottom
matrix
through
formation
hydrogen
bonding
interactions
PAANa.
The
material
shows
considerable
stretchability
244%
strength
7.67
MPa,
electrical
conductivity
55.40
S
m
‒1
,
low
percolation
threshold
2.48
wt%,
response
to
strain
(gauge
factor
906.7
within
98%
strain)
humidity
(relative
resistance
change
530%
11–93%
relative
humidity).
Based
superior
performances
XSBR/PAANa/MXene
composite,
integrated
designed
accurately
detect
respiration
body
movements
various
scales.
This
work
provides
new
perspective
development
novel
biomimetic
functional
applications.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(9), P. 2992 - 3034
Published: Jan. 1, 2023
The
flourishing
development
of
flexible
healthcare
sensing
systems
is
inseparable
from
the
fundamental
materials
with
application-oriented
mechanical
and
electrical
properties.
Thanks
to
continuous
inspiration
our
Mother
Nature,
hydrogels
originating
natural
biomass
are
attracting
growing
attention
for
their
structural
functional
designs
owing
unique
chemical,
physical
biological
These
highly
efficient
architectural
enable
them
be
most
promising
candidates
electronic
devices.
This
comprehensive
review
focuses
on
recent
advances
in
naturally
sourced
constructing
multi-functional
sensors
applications
thereof.
We
first
briefly
introduce
representative
polymers,
including
polysaccharides,
proteins,
polypeptides,
summarize
physicochemical
design
principles
fabrication
strategies
hydrogel
based
these
polymers
outlined
after
material
properties
required
presented.
then
highlight
various
techniques
devices,
illustrate
examples
wearable
or
implantable
bioelectronics
pressure,
strain,
temperature,
biomarker
field
systems.
Finally,
concluding
remarks
challenges
prospects
hydrogel-based
provided.
hope
that
this
will
provide
valuable
information
next-generation
build
a
bridge
between
as
matter
an
applied
target
accelerate
new
near
future.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Sept. 15, 2022
Numerous
studies
have
shown
flexible
electronics
play
important
roles
in
health
management.
The
way
of
power
supply
is
always
an
essential
factor
devices
and
self-powered
ones
are
very
attractive
because
the
fabrication
easiness,
usage
comfort
aesthetics
system.
In
this
work,
based
on
metal-air
redox
reaction,
which
usually
used
designing
batteries,
we
design
a
chemoelectric
humidity
sensor
where
silk
fibroin
(SF)
LiBr
gel
matrix
containing
parallel
aligned
graphene
oxide
(GO)
flakes
serve
as
electrolyte.
abundant
hydrophilic
groups
GO/SF
hygroscopicity
lead
to
tight
dependence
output
current
humidity,
enabling
high
sensitivity
(0.09
μA/s/1%),
fast
response
(1.05
s)
quick
recovery
(0.80
s).
As
proofs
concept,
all-in-one
respiratory
monitoring-diagnosing-treatment
system
non-contact
human-machine
interface,
demonstrating
applications
Science Advances,
Journal Year:
2023,
Volume and Issue:
9(32)
Published: Aug. 11, 2023
Continuous
and
reliable
monitoring
of
blood
pressure
cardiac
function
is
great
importance
for
diagnosing
preventing
cardiovascular
diseases.
However,
existing
approaches
are
bulky
costly,
limiting
their
wide
applications
early
diagnosis.
Here,
we
developed
an
intelligent
system
based
on
a
conformal
flexible
strain
sensor
array
deep
learning
neural
networks.
The
has
variety
advantages,
including
high
sensitivity,
linearity,
fast
response
recovery,
isotropy.
Experiments
simulation
synergistically
verified
that
the
can
acquire
high-precise
feature-rich
pulse
waves
from
wrist
without
precise
positioning.
By
combining
high-quality
with
well-trained
model,
monitor
parameters.
As
proof
concept,
further
constructed
wearable
real-time
long-term
function,
which
may
contribute
to
personalized
health
management,
diagnosis,
remote
treatment.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
124(2), P. 318 - 419
Published: Dec. 6, 2023
Flexible
electronics
have
recently
gained
considerable
attention
due
to
their
potential
provide
new
and
innovative
solutions
a
wide
range
of
challenges
in
various
electronic
fields.
These
require
specific
material
properties
performance
because
they
need
be
integrated
into
variety
surfaces
or
folded
rolled
for
newly
formatted
electronics.
Two-dimensional
(2D)
materials
emerged
as
promising
candidates
flexible
unique
mechanical,
electrical,
optical
properties,
well
compatibility
with
other
materials,
enabling
the
creation
devices.
This
article
provides
comprehensive
review
progress
made
developing
devices
using
2D
materials.
In
addition,
it
highlights
key
aspects
scalable
production,
device
fabrication
processes
applications,
along
important
examples
demonstrations
that
achieved
breakthroughs
wearable
applications.
Finally,
we
discuss
opportunities,
current
challenges,
solutions,
future
investigative
directions
about
this
field.
Small Methods,
Journal Year:
2023,
Volume and Issue:
7(2)
Published: Jan. 8, 2023
Abstract
Traditional
public
health
systems
suffer
from
incomprehensive,
delayed,
and
inefficient
medical
services.
Convenient
comprehensive
monitoring
has
been
highly
sought
after
recently.
Flexible
wearable
devices
are
attracting
wide
attention
due
to
their
potential
applications
in
human
care
systems.
Using
carbon
materials
with
overall
superiorities
can
facilitate
the
development
of
flexible
various
functions
excellent
performance,
which
comprehensively
real‐time
monitor
status
prevent
diseases.
Herein,
latest
advances
rational
design
controlled
fabrication
for
health‐related
electronics
reviewed.
The
strategies,
working
mechanism,
carbon‐based
devices,
including
electromechanical
sensors,
temperature/humidity
chemical
conductive
wires/electrodes,
Furthermore,
integrating
multiple
into
multifunctional
is
discussed.
Finally,
existing
challenges
future
opportunities
this
field
also
proposed.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(52)
Published: Oct. 26, 2022
Abstract
With
the
vigorous
development
of
Internet
Things
and
artificial
intelligence,
active
sensing
system
based
on
triboelectric
nanogenerators
plays
an
excellent
performance
potential
application
value
as
a
pioneering
technology
for
smart
manufacturing.
Nevertheless,
achieving
material
innovation
to
strike
good
balance
between
systems
environmental
friendliness
remains
difficult
task.
As
most
abundant
biopolymer
earth,
sustainability
cellulose
are
great
importance
systems.
This
review
intends
provide
new
perspective
design
fabricate
cellulosic
materials
self‐powered
Herein,
structure
advantageous
properties
briefly
described.
Furthermore,
structure–property–application
relationship
is
addressed
from
optimization.
Next,
latest
applications
comprehensively
described
in
fields
such
monitoring,
home,
medical,
human–machine
interaction,
everything.
Lastly,
current
challenges
future
developments
sensor
presented.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(3), P. 1316 - 1353
Published: Jan. 1, 2024
Low-dimensional
nanostructures,
with
their
small
size,
unique
characteristics,
flexible/elastic
adaptability,
and
effective
vertical
stacking
capability,
play
a
crucial
role
in
advancing
monolithic
3D-integrated
flexible/stretchable
systems.