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
npj Flexible Electronics,
Год журнала:
2024,
Номер
8(1)
Опубликована: Дек. 4, 2024
With
the
increasing
demand
for
wearable
electronic
products,
there
is
a
pressing
need
to
develop
devices
that
seamlessly
conform
contours
of
human
body
while
delivering
excellent
performance
and
reliability.
Traditional
rigid
fabrication
technologies
fall
short
meeting
these
requirements,
necessitating
exploration
advanced
flexible
offer
new
possibilities
designing
fabricating
stretchable
particularly
in
devices.
Over
time,
continuous
development
innovative
techniques
has
ushered
significant
improvements
design
freedom,
lightweight,
seamless
integration,
multifunctionality
electronics.
Here,
we
provide
comprehensive
overview
advancements
facilitated
by
technology
It
specifically
focuses
on
key
methods,
including
printed
electronics
fabrication,
soft
transfer,
3D
structure
deformation
fabrication.
By
highlighting
advancements,
it
sheds
light
challenges
prospects
further
technologies.
The
introduction
revolutionized
landscape
wearable/conformable
electronics,
expanding
their
application
domains,
streamlining
system
complexity
associated
with
customization,
manufacturing,
production,
opening
up
avenues
innovation
body-conformable
Materials Horizons,
Год журнала:
2023,
Номер
11(2), С. 363 - 387
Опубликована: Ноя. 2, 2023
Wound
healing
is
a
complex
process
that
requires
effective
management
to
prevent
infections
and
promote
efficient
tissue
regeneration.
In
recent
years,
upconversion
nanoparticles
(UCNPs)
have
emerged
as
promising
materials
for
wound
dressing
applications
due
their
unique
optical
properties
potential
therapeutic
functionalities.
These
possess
enhanced
antibacterial
when
functionalized
with
agents,
helping
infections,
common
complication
in
healing.
They
can
serve
carriers
controlled
drug
delivery,
enabling
targeted
release
of
agents
the
site,
allowing
tailored
treatment
optimal
conditions.
ability
convert
near-infrared
(NIR)
light
into
visible
and/or
ultraviolet
(UV)
regions,
making
them
suitable
(photothermal
therapy
photodynamic
therapy)
diagnostic
applications.
context
healing,
these
be
combined
other
such
hydrogels,
fibers,
metal-organic
frameworks
(MOFs),
graphene
oxide,
The
robotic
with
integrated
tactile
sensors
can
accurately
perceive
contact
force,
pressure,
vibration,
temperature
and
other
stimuli.
Flexible
sensing
technologies
have
been
widely
utilized
in
intelligent
robotics
for
stable
grasping,
dexterous
manipulation,
object
recognition
human-machine
interaction.
This
review
presents
promising
flexible
their
potential
applications
robotics.
significance
of
performance
requirements
are
first
described.
commonly
used
six
types
mechanisms
briefly
illustrated,
followed
by
the
progress
novel
structural
design
characteristics
several
sensors,
such
as
highly
sensitive
pressure
tri-axis
force
sensor,
distributed
sensor
array,
multi-modal
sensor.
Then,
using
properties
recognition,
grasping
interactions
thoroughly
discussed.
Finally,
challenges
future
prospects
In
summary,
this
will
be
conducive
to
is
a
heuristic
developing
next
generation
advanced
functions
future.
Journal of Polymer Science,
Год журнала:
2022,
Номер
61(19), С. 2233 - 2253
Опубликована: Дек. 13, 2022
Abstract
Thermosetting
polyurethanes
(PUs)
are
ubiquitous
in
our
daily
life
due
to
their
low
cost
and
attractive
properties,
such
as
mechanical
robustness,
chemical
resistance,
thermal
stability.
However,
thermosetting
PUs
challenged
by
intrinsic
non‐recyclability.
Due
the
chemically
cross‐linked
network
structures,
reprocessability,
controllable
degradation
of
difficult
achieve,
tremendous
pollution
waste
were
generated
each
year.
A
promising
strategy
is
introduce
“vitrimer”
chemistry
design
PUs.
Intriguing
opportunities,
offered
integration
vitrimers
PUs,
have
enabled
high‐performance
PU
materials
with
exclusive
performances,
including
shape
memory,
self‐healability,
degradability,
recyclability
reprocessability.
This
review
systematically
summarizes
recent
advancement
research
on
vitrimers.
First,
classification
reversible
covalent
preparation
discussed.
Second,
unique
properties
dynamic
bonds
reviewed,
recyclability,
adhesion,
weldability.
Potential
applications
this
intriguing
performance
subsequently
Afterwards,
we
present
perspectives
challenges
that
yet
be
addressed
for
transforming
into
recyclable
polymer
materials.
Flexible
pressure
sensors
with
high
stretchability,
sensitivity,
and
stability
are
undoubtedly
urgently
required
for
potential
applications
in
intelligent
soft
robots,
human-machine
interaction,
health
monitoring,
other
fields.
However,
most
current
flexible
unable
to
endure
large
deformation
prone
performance
degradation
or
even
failure
during
frequent
operation
due
their
multilayered
structures.
Here,
we
propose
a
stretchable
all-nanofiber
iontronic
sensor
that
is
composed
of
ionic
nanofiber
membranes
used
as
dielectric
layers
liquid
metal
electrodes.
This
exhibits
sensitivity
1.08
kPa-1
over
wide
range
0-300
kPa,
fast
response-relaxation
time
about
18/22
ms
excellent
stability.
The
comes
from
the
electric
double
layer
formed
at
film/electrode
interface,
while
stretchability
enabled
by
in-situ
encapsulated
As
proof
concept,
prototype
array
integrated
into
pneumatic
gripper,
demonstrating
its
capability
perception
object
recognition
grasping
process.
Thus,
scheme
provides
another
strategy
fabricate
superb
terms
Advanced Healthcare Materials,
Год журнала:
2023,
Номер
unknown
Опубликована: Ноя. 4, 2023
The
concept
of
targeted
and
controlled
drug
delivery,
which
directs
treatment
to
precise
anatomical
sites,
offers
benefits
such
as
fewer
side
effects,
reduced
toxicity,
optimized
dosages,
quicker
responses.
However,
challenges
remain
engineer
dependable
systems
materials
that
can
modulate
host
tissue
interactions
overcome
biological
barriers.
To
stay
aligned
with
advancements
in
healthcare
precision
medicine,
novel
approaches
are
imperative
improve
effectiveness,
biocompatibility,
compliance.
Electronically
delivery
(ECDD)
has
recently
emerged
a
promising
approach
calibrated
spatial
temporal
precision.
This
article
covers
recent
breakthroughs
soft,
flexible,
adaptable
bioelectronic
micro-systems
designed
for
ECDD.
It
overviews
the
most
widely
reported
operational
modes,
engineering
strategies,
electronic
interfaces,
characterization
techniques
associated
ECDD
systems.
Further,
it
delves
into
pivotal
applications
wearable,
ingestible,
implantable
medical
devices.
Finally,
discourse
extends
future
prospects
Advances in Colloid and Interface Science,
Год журнала:
2024,
Номер
330, С. 103207 - 103207
Опубликована: Июнь 3, 2024
To
overcome
the
challenges
of
poor
wound
diagnosis
and
limited
clinical
efficacy
current
management,
dressing
materials
with
aim
monitoring
various
biomarkers
vital
to
healing
process
such
as
temperature,
pH,
glucose
concentration,
reactive
oxygen
species
(ROS)
improving
therapeutic
outcomes
have
been
developed.
These
innovative
theranostic
dressings
are
smartly
engineered
using
stimuli-responsive
biomaterials
monitor
regulate
local
microenvironments
deliver
cargos
sites
in
a
timely
effective
manner.
This
review
provides
an
overview
recent
advances
novel
theranostics
for
therapy
well
giving
insights
into
future
treatment
wounds
via
smart
design
materials.
