ACS Applied Electronic Materials,
Год журнала:
2023,
Номер
5(8), С. 4426 - 4436
Опубликована: Июль 24, 2023
Effective
wound
care
management
system
demands
the
emergence
of
smart
bandages
with
healing
techniques.
Electrical
stimulation
(ES)-based
has
shown
excellent
results
in
faster
closure
by
mimicking
endogenous
electric
field
naturally
produced
at
sight
a
and
assisting
same.
The
present
work
highlights
development
flexible
copper-based
micro-electrode
array
(MEA)
patch
over
polyimide
substrate
for
triggering
ES-induced
accelerated
applied
DC
potentials
only.
Simulation
highlight
ES
optimization
varying
maximum
0.2,
0.4,
1.0
V
toward
generation
effective
field-induced
electrotaxis.
A
simulated
was
fabricated
using
unique
screen-printed
masking
technique
involving
use
polyvinyl
chloride
(PVC)
ink
as
material
copper
film
to
realize
MEA
structures.
An
integrated
pH
sensor
also
screen
printing
Ag/AgCl
same
monitor
situ
blood
levels.
developed
low-cost
patches
showed
good
electrical
continuity
well
flexibility
skin
conformality.
It
thereafter
mounted
an
8
mm
diameter
cutaneous
on
rat
model,
appropriate
per
simulation
data.
Post-healing
were
visually
verified
examined
histological
changes
tissue
cross-sections,
correlation
between
findings
visual
observations
obtained.
significant
reduction
time
achieved
(9
days)
through
this
study
optimized
potential
0.4
V,
unlike
control
samples,
which
took
13
days
healing.
mimicked
natural
potential,
thereby
clearly
demonstrating
effectiveness
Soft
and
stretchable
strain
sensors
have
aroused
great
interest
in
research
engineering
fields
due
to
their
promising
application
potential
many
areas,
including
human-machine
interface
healthcare
monitoring.
However,
developing
stable,
strain-sensitive,
fatigue-resistant
wearable
remains
challenging.
Herein,
we
report
a
low-cost
strain-sensing
glove
based
on
commercial
nitrile
liquid
metal
as
both
sensing
units
circuit/interconnects,
with
excellent
response
strains
stability
long-term
use.
The
circuit
is
prepared
by
scraping
the
slurry
situ
fingers,
followed
soft
silicone
encapsulation.
whole
process
does
not
involve
toxic
chemicals,
so
no
strict
requirements
operating
environment
are
necessary.
capable
of
real-time
monitoring
finger
gestures
very
sensitive
accurate
way,
which
exhibits
controller
manipulating
machine
hand
achieve
related
interaction.
Soft
electronics
have
achieved
significant
development,
attracting
substantial
interest
due
to
their
promising
potential
as
a
dominant
form
of
future
electronics.
In
this
rapidly
evolving
field,
the
fully
soft
Schottky
diode
plays
critical
role
fundamental
building
block
for
electronic
circuitry
systems.
These
systems,
constructed
entirely
from
materials,
can
tolerate
various
mechanical
deformations
when
interfaced
with
human
skin,
making
them
ideal
use
in
health
monitoring
systems
and
interactive
human-machine
interfaces.
study,
we
introduce
fabricated
materials
using
facile
solution
process,
further
enabling
all-printing
fabrication
Utilizing
softness
poly(3,4-ethylenedioxythiophene)
polystyrene
sulfonate-based
electrode,
poly(3-hexylthiophene)
nanofibril
composite
semiconductor,
liquid
metal,
successfully
diode.
This
exhibits
exceptional
electrical
characteristics
even
under
deformations,
showcasing
high
durability
device.
We
developed
rectifiers
logic
gates,
highlighting
versatility
our
study.
By
incorporating
these
devices
piezoelectric
nanogenerator
skin-interfaced
energy
harvesting
system,
they
exhibit
sufficient
capability
rectification,
ensuring
stable
power
supply
part
management
system.
approach
offers
electronics,
paving
way
advanced
wearable
technology.
ACS Applied Bio Materials,
Год журнала:
2024,
Номер
7(11), С. 7101 - 7132
Опубликована: Окт. 28, 2024
Chronic
wounds
are
a
major
healthcare
burden
and
may
severely
affect
the
social,
mental,
economic
status
of
patients.
Any
impairment
in
wound
healing
stages
due
to
underlying
factors
leads
prolonged
time
subsequently
chronic
wounds.
Traditional
approaches
for
treatment
include
dressing
free
local
therapy,
tissue
engineering
based
scaffold
therapies.
However,
traditional
therapies
need
improvisation
have
been
advanced
through
breakthrough
technologies.
The
present
review
spans
further
gives
an
extensive
account
advancements
Cutting
edge
technologies,
such
as
3D
printing,
which
includes
inkjet
fused
deposition
modeling,
digital
light
processing,
extrusion-based
microneedle
array-based
therapies,
gene
microRNAs
(miRNAs)
smart
dressings
real
monitoring
conditions
assessment
pH,
temperature,
oxygen,
moisture,
metabolites,
their
use
planning
better
strategies
discussed
detail.
future
direction
treatments
that
will
aid
lowering
caused
Physics of Fluids,
Год журнала:
2024,
Номер
36(10)
Опубликована: Окт. 1, 2024
Electrohydrodynamic
(EHD)
printing
enables
large-area,
ultra-high-resolution
manufacturing
across
a
broad
range
of
ink
viscosities,
but
inevitably
encounters
difficulties
when
on
electrically
insulating
three-dimensional
substrates
due
to
unpredictable
electric
field
and
surface
residual
charges.
To
overcome
these
obstacles,
novel
approach
called
plasma-induced
electrohydrodynamic
(PiE)
has
been
proposed.
PiE
employs
plasma
directly
create
controllable
local
charge
region
substrate
surfaces,
which
triggers
EHD
ejection
mitigates
the
effect
However,
underlying
mechanisms
jetting
behavior
with
respect
parameters,
such
as
charge-induced
field,
remain
unexplored.
Here,
we
conduct
numerical
investigation,
based
Taylor–Melcher
leaky
dielectric
model
level
set
method,
printing.
We
first
introduce
dynamics
throughout
entire
process.
Then,
carry
out
comprehensive
investigation
under
four
crucial
parameters:
amount
preset
charge,
radius
duration
liquid
electrical
conductivity.
By
analyzing
induced
density,
fluid
velocity,
jet
diameters,
deposited
droplet
sizes
obtained
from
results,
elucidate
influence
parameters
dynamic
behavior,
durations
process,
quality.
These
findings
offer
valuable
insights
into
jetting,
advancing
understanding
optimization
methods
for
this
useful
micro-/nano-manufacturing
technology.
ACS Applied Electronic Materials,
Год журнала:
2023,
Номер
5(8), С. 4426 - 4436
Опубликована: Июль 24, 2023
Effective
wound
care
management
system
demands
the
emergence
of
smart
bandages
with
healing
techniques.
Electrical
stimulation
(ES)-based
has
shown
excellent
results
in
faster
closure
by
mimicking
endogenous
electric
field
naturally
produced
at
sight
a
and
assisting
same.
The
present
work
highlights
development
flexible
copper-based
micro-electrode
array
(MEA)
patch
over
polyimide
substrate
for
triggering
ES-induced
accelerated
applied
DC
potentials
only.
Simulation
highlight
ES
optimization
varying
maximum
0.2,
0.4,
1.0
V
toward
generation
effective
field-induced
electrotaxis.
A
simulated
was
fabricated
using
unique
screen-printed
masking
technique
involving
use
polyvinyl
chloride
(PVC)
ink
as
material
copper
film
to
realize
MEA
structures.
An
integrated
pH
sensor
also
screen
printing
Ag/AgCl
same
monitor
situ
blood
levels.
developed
low-cost
patches
showed
good
electrical
continuity
well
flexibility
skin
conformality.
It
thereafter
mounted
an
8
mm
diameter
cutaneous
on
rat
model,
appropriate
per
simulation
data.
Post-healing
were
visually
verified
examined
histological
changes
tissue
cross-sections,
correlation
between
findings
visual
observations
obtained.
significant
reduction
time
achieved
(9
days)
through
this
study
optimized
potential
0.4
V,
unlike
control
samples,
which
took
13
days
healing.
mimicked
natural
potential,
thereby
clearly
demonstrating
effectiveness
