npj Flexible Electronics,
Год журнала:
2023,
Номер
7(1)
Опубликована: Авг. 16, 2023
Abstract
Surface
electromyography
(sEMG)
is
used
to
detect
and
analyze
human
muscle
biopotential.
Recently,
flexible
noninvasive
electrodes
(FNEs)
have
emerged
extract
bioelectrical
signals
from
individual
bodies.
For
FNEs
be
deployed
as
a
central
component
of
physiological
signal
acquisition,
the
quest
for
elevated
signal-to-noise
ratio
density
compelling
owing
small
amplitude
sEMG.
Herein,
we
review
recent
progress
in
sEMG
acquisition.
We
summarize
needed
properties
FNEs,
compare
differences
between
passive
active
exemplify
applications
FNEs.
also
conclude
current
challenges
future
opportunities
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(4), С. 5811 - 5821
Опубликована: Янв. 17, 2023
Flexible
strain
sensors
have
significant
progress
in
the
fields
of
human–computer
interaction,
medical
monitoring,
and
handwriting
recognition,
but
they
also
face
many
challenges
such
as
capture
weak
signals,
comprehensive
acquisition
information,
accurate
recognition.
can
sense
externally
applied
deformations,
accurately
measure
human
motion
physiological
record
signal
characteristics
handwritten
text.
Herein,
we
prepare
a
sandwich-structured
flexible
sensor
based
on
an
MXene/polypyrrole/hydroxyethyl
cellulose
(MXene/PPy/HEC)
conductive
material
PDMS
substrate.
The
features
wide
linear
detection
range
(0–94%),
high
sensitivity
(gauge
factor
357.5),
reliable
repeatability
(>1300
cycles),
ultrafast
response–recovery
time
(300
ms),
other
excellent
sensing
properties.
MXene/PPy/HEC
detect
activities,
exhibiting
performance
measuring
external
changes
real-time
detection.
In
addition,
signals
English
words,
Arabic
numerals,
Chinese
characters
by
volunteers
measured
unique
characteristics.
Through
machine
learning
technology,
different
are
successfully
identified,
recognition
accuracy
is
higher
than
96%.
results
show
that
has
impact
detection,
health
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(33)
Опубликована: Май 1, 2023
Abstract
Benefiting
from
inherent
lightweight,
flexibility,
and
good
adaptability
to
human
body,
functional
textiles
are
attracting
tremendous
attention
cope
with
wearable
issues
in
sustainable
applications
around
beings.
In
this
feature
article,
a
comprehensive
thoughtful
review
is
proposed
regarding
research
activities
of
smart
properties.
Specifically,
brief
exposition
highlighting
the
significance
rising
demands
novel
throughout
society
begun.
Next,
systematic
provided
about
fabrication
1D
spinning,
2D
modification,
3D
construction,
their
diverse
functionality
as
well
applications,
showing
clear
picture
evolved
readers.
How
engineer
compositions,
structures,
properties
elaborated
achieve
different
All
these
tunable,
upgraded,
versatile
make
developed
suited
for
extensive
ranging
environmental
monitoring
or
freshwater
access
personal
protection
power
supply.
Finally,
simple
summary
critical
analysis
drawn,
emphasis
on
insight
into
remaining
challenges
future
directions.
With
worldwide
efforts,
advance
breakthrough
textile
functionalization
expounded
will
promote
revolution
intelligence
era.
Nano Letters,
Год журнала:
2022,
Номер
22(11), С. 4560 - 4568
Опубликована: Май 18, 2022
Polyimide
aerogels
with
mechanical
robustness,
great
compressibility,
excellent
antifatigue
properties,
and
intriguing
functionality
have
captured
enormous
attention
in
diverse
applications.
Here,
enlightened
by
the
xylem
parenchyma
of
dicotyledonous
stems,
a
radially
architectured
polyimide/MXene
composite
aerogel
(RPIMX)
reversible
compressibility
is
developed
combining
interfacial
enhancing
strategy
radial
ice-templating
method.
The
strong
interaction
between
MXene
flakes
polymer
can
glue
to
form
continuous
lamellae,
ice
crystals
grow
preferentially
along
temperature
gradient
effectively
constrain
lamellae
create
biomimetic
lamellar
architecture.
As
result,
nature-inspired
RPIMX
centrosymmetric
structure
oriented
channels
manifests
strength,
electrical
conductivity,
water
transporting
capability
longitudinal
direction,
endowing
itself
applications
for
accurate
human
motion
monitoring
efficient
photothermal
evaporation.
These
exciting
properties
make
promising
candidates
flexible
piezoresistive
sensors
evaporators.
Langmuir,
Год журнала:
2022,
Номер
38(30), С. 9431 - 9440
Опубликована: Июль 23, 2022
In
recent
years,
photothermal
materials
that
can
convert
light
into
heat
energy
have
attracted
extensive
attention.
this
work,
we
report
a
simple
and
effective
approach
to
construct
self-cleaning
superamphiphobic
fabric.
Dopamine
(DA)
self-polymerize
polydopamine
(PDA)
adhere
the
surface
of
cotton
fabric
as
secondary
reaction
platform.
Then,
SiO2
nanoparticles
were
in
situ
grown
on
PDA@fabric
by
sol-gel
method.
The
PDA
clusters
not
only
provide
good
conversion
performance
but
also
be
integrated
with
create
micro-nano
rough
structures.
Finally,
was
modified
long
chain
fluorosilane
decrease
energy,
resulting
superamphiphobicity.
contact
angles
water,
ethylene
glycol,
pump
oil
could
reach
161.1,
158.1,
142.2°,
respectively,
making
resistant
contamination
common
beverages,
oil.
Due
adhesion
layer,
strong
binding
force
between
particles
enabled
withstand
various
chemical
mechanical
attacks,
showing
excellent
robustness
harsh
environmental
stability.
More
importantly,
temperature
increased
from
19.6
37.0
°C,
which
is
close
human
body
temperature,
under
irradiation
simulated
sunlight
(I
=
15
A,
300
s).
fabrics
properties
show
great
promise
field.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Март 15, 2023
Abstract
Due
to
the
development
of
novel
materials,
past
two
decades
have
witnessed
rapid
advances
soft
electronics.
The
electronics
huge
potential
in
physical
sign
monitoring
and
health
care.
One
important
advantages
is
forming
good
interface
with
skin,
which
can
increase
user
scale
improve
signal
quality.
Therefore,
it
easy
build
specific
dataset,
performance
machine
learning
algorithm.
At
same
time,
assistance
algorithm,
become
more
intelligent
realize
real-time
analysis
diagnosis.
machining
algorithms
complement
each
other
very
well.
It
indubitable
that
will
bring
us
a
healthier
world
near
future.
this
review,
we
give
careful
introduction
about
new
material,
physiological
detected
by
devices,
devices
assisted
Some
materials
be
discussed
such
as
two-dimensional
carbon
nanotube,
nanowire,
nanomesh,
hydrogel.
Then,
sensors
according
types
(pulse,
respiration,
human
motion,
intraocular
pressure,
phonation,
etc.).
After
that,
various
reviewed,
including
some
classical
powerful
neural
network
algorithms.
Especially,
device
introduced
carefully.
Finally,
outlook,
challenge,
conclusion
system
powered
algorithm
discussed.
