ACS Biomaterials Science & Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Because
of
their
unique
electromechanical
coupling
response,
piezoelectric
smart
biomaterials
demonstrated
distinctive
capability
toward
effective,
efficient,
and
quick
diagnosis
treatment
a
wide
range
diseases.
Such
materials
have
potentiality
to
be
utilized
as
wireless
therapeutic
methods
with
ultrasonic
stimulation,
which
can
used
self-powered
biomedical
devices.
An
emerging
advancement
in
the
realm
personalized
healthcare
involves
utilization
biosensors
for
such
diverse
physiological
signals
human
body,
viruses,
pathogens,
diseases
like
neurodegenerative
ones,
cancer,
etc.
The
combination
nanoparticles
ultrasound
has
been
established
promising
approach
sonodynamic
therapy
piezocatalytic
therapeutics
provides
appealing
alternatives
noninvasive
treatments
chronic
wounds,
neurological
diseases,
Innovations
implantable
medical
devices
(IMDs),
energy
generator
(iPEG),
offer
significant
advantages
improving
functioning
ability
power
cardiac
pacemaker
restore
heart
function.
This
comprehensive
review
critically
evaluates
role
piezoelectricity
disease
treatment,
highlighting
implication
It
also
discusses
potential
monitoring,
tissue
engineering,
other
applications
while
emphasizing
future
trends
challenges
field.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Materials
and
devices
that
harvest
acoustic
energy
can
enable
autonomous
powering
of
microdevices
wireless
sensors.
However,
traditional
harvesters
rely
on
brittle
piezoceramics,
which
have
restricted
their
use
in
wearable
electronic
devices.
To
address
these
limitations,
this
study
involves
the
fabrication
using
electrospinning
piezoelectric
polymer
PVDF-TrFE
onto
fabric-based
electrodes.
Two-dimensional
(2D)
Ti
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Abstract
With
the
integration
of
bioelectronics
and
materials
science,
implantable
self‐powered
systems
for
electrical
stimulation
medical
devices
have
emerged
as
an
innovative
therapeutic
approach,
garnering
significant
attention
in
research.
These
achieve
self‐powering
through
integrated
energy
conversion
modules,
such
triboelectric
nanogenerators
(TENGs)
piezoelectric
(PENGs),
significantly
enhancing
portability
long‐term
efficacy
equipment.
This
review
delves
into
design
strategies
clinical
applications
systems,
encompassing
optimization
harvesting
selection
fabrication
adaptable
electrode
materials,
innovations
systematic
strategies,
extensive
utilization
biological
therapies,
including
treatment
neurological
disorders,
tissue
regeneration
engineering,
drug
delivery,
tumor
therapy.
Through
a
comprehensive
analysis
latest
research
progress,
technical
challenges,
future
directions
these
areas,
this
paper
aims
to
provide
valuable
insights
inspiration
further
systems.
Microsystems & Nanoengineering,
Год журнала:
2024,
Номер
10(1)
Опубликована: Дек. 18, 2024
Abstract
The
demand
for
sustainable
energy
sources
to
power
small
electronics
like
IoT
devices
has
led
exploring
innovative
solutions
acoustic
harvesting
using
piezoelectric
nanogenerators
(PENGs).
Acoustic
leverages
ambient
noise,
converting
it
into
electrical
through
the
effect,
where
certain
materials
generate
an
electric
charge
in
response
mechanical
stress
or
vibrations.
This
review
paper
provides
a
comprehensive
analysis
of
advancements
PENG
technology,
emphasizing
their
role
harvesting.
We
begin
by
discussing
essential
principles
piezoelectricity
and
design
considerations
optimize
capture
from
sound
waves.
discussion
includes
detailed
examination
various
materials,
such
as
polyvinylidene
fluoride
(PVDF),
lead
zirconate
titanate
(PZT),
zinc
oxide
(ZnO)
nanowires,
which
are
known
superior
properties.
A
critical
aspect
this
is
exploration
structural
designs
resonance
that
enhance
efficiency
PENGs.
delve
mechanisms
benefits
Helmholtz
resonators,
quarter-wavelength
tubes,
cantilever
beams,
instrumental
amplifying
signals
improving
conversion
rates.
Each
device’s
parameters
operational
scrutinized
highlight
contributions
field.
addresses
practical
applications
PENGs
domains.
Environmental
monitoring
systems,
wearable
electronics,
medical
stand
benefit
significantly
continuous
supplied
These
can
reduce
reliance
on
batteries
minimize
maintenance
harnessing
energy,
leading
more
efficient
longer-lasting
operations.
Despite
promising
potential
PENGs,
several
challenges
remain,
including
material
degradation,
limitations,
integrating
these
existing
technological
frameworks.
discusses
obstacles
detail
proposes
longevity
performance
systems.
Innovations
science
engineering
crucial
overcoming
hurdles
realizing
full
Journal of Materials Chemistry B,
Год журнала:
2024,
Номер
12(38), С. 9727 - 9739
Опубликована: Янв. 1, 2024
Develop
stretchable
piezoelectric
structures
using
biocompatible
materials
that
convert
biomechanical
energy
into
electrical
energy,
ideal
for
wearable
motion
sensors,
bio-implanted
devices,
and
intelligent
scaffolds
tissue
nerve
stimulation.
Materials Advances,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Dental
surface
staining
is
the
most
common
problem
in
oral
health
care.
Here,
we
have
prepared
a
barium
titanate
(BTO)-based
composite
film,
and
believe
it
may
become
promising
strategy
for
care
future.
ABSTRACT
In
recent
years,
with
the
rapid
development
of
flexible
electronics,
implantable
electronic
devices
have
received
increasing
attention,
and
they
provide
new
solutions
for
medical
diagnosis
treatment.
To
ensure
long‐term
stable
operation
in
internal
environment,
materials
conductivity,
flexibility,
biocompatibility,
other
properties
are
high
demand.
Hydrogels
polymers
three‐dimensional
network
structures
that
not
only
physical
chemical
similar
to
those
biological
tissues
but
can
be
also
modulated
by
introducing
functional
groups
regulate
adhesion,
self‐healing,
functions.
Therefore,
hydrogel‐based
bioelectronic
considered
a
candidate
direction
future
biomedical
field.
Here,
this
paper
reviews
research
progress
molecular
design
performance
modulation
functionalized
hydrogels
based
on
four
key
hydrogels:
toughness.
The
latest
use
device
applications
is
summarized
below.
Finally,
discussions
given
challenges
opportunities
devices.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Flexible
piezoelectric
pressure
sensors
have
aroused
a
plethora
of
applications
in
wearable
electronics,
acoustic
transducers,
and
energy
harvesters
thanks
to
many
merits
such
as
prompt
response,
good
signal
linearity,
ease
shaping.
However,
all-polymer
films
low
coefficient
severe
stress
dissipation,
it
is
currently
challenging
achieve
high
output
for
the
foregoing
without
introducing
nanomaterials
or
ceramics.
Here,
we
report
local
engineering
strategy
fabricate
biomimetic
all-fluoropolymer
film
with
high-modulus
poly(vinylidene
fluoride)
(PVDF)
nanospheres
embedded
on
low-modulus
fluoride-trifluoride
ethylene)
(PVDF-TrFE)
nanofibers
highly
sensitive
detection.
High-modulus
PVDF
create
concentration
sites
PVDF-TrFE
increase
deformation,
leading
significantly
improved
force/pressure
sensitivity.
As
such,
by
comparison
force
sensitivity
60
mV/N
neat
PVDF-TrFE,
heteromodulus
fiber
mats
10
wt
%
can
145.1
over
0-25
N
dynamic
impact
(i.e.,
0
∼
250
kPa
pressure),
together
an
detection
limit
dB
0.02
Pa.
Biosensors and Bioelectronics,
Год журнала:
2025,
Номер
286, С. 117588 - 117588
Опубликована: Май 15, 2025
Advancements
in
inner
ear
theragnostics
are
critical
for
addressing
the
pervasive
challenges
of
diagnosing
and
treating
hearing
balance
disorders,
which
significantly
impact
quality
life.
This
paper
reviews
biosensors
devices
that
leverage
advanced
functional
nanomaterials,
microfabrication
techniques,
nano-biotechnology
to
enhance
theragnostic
applications
ear.
The
highlights
development
diverse
electromechanical,
electrochemical,
biomarker
sensors
theragnostics.
Electromechanical
replicate
cochlear
vestibular
sensory
structures
through
bioinspired
designs,
while
electrochemical
used
measure
level
ions
chemicals
fluid,
providing
insights
into
health
disease
organs.
Biomarker
focus
on
screening
diseases
early
detection
correlated
biomarkers
based
point
care
diagnostics.
study
also
examines
use
microfluidic
with
elements
provide
a
compact
integrated
model
fluid-filled
cochlea.
In
addition,
delivery
strategies,
including
targeted
drug
systems
nanocarriers
explored
their
ability
improve
penetration
distribution
therapeutics
within
importance
pharmacokinetics
post-treatment
monitoring
as
indicators
assessing
efficacy
micro/nanotechnology-based
approaches.
By
consolidating
these
innovations,
this
work
offers
comprehensive
framework
advancing
otology,
paving
way
novel
diagnostic
tools,
effective
treatments,
future
clinical
applications.
