Macromolecular Bioscience,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
With
the
aging
population,
fitness
issues,
poor
bone
healing,
and
high
infection
rates
are
associated
with
fractures
other
diseases.
Nevertheless,
traditional
approaches
materials
struggle
to
treat
orthopedic
diseases
by
loading
exogenous
stem
cells,
growth
factors,
or
merely
structurally
simulating
periosteum.
The
advancement
of
biomedical
has
become
critical
in
addressing
challenges
tissue
regeneration,
encompassing
a
range
conditions
including
wounds,
inflammation,
infections,
fractures,
degenerative
effects
metabolic
disorders.
Recently,
polymer-based
piezoelectric
have
emerged
as
promising
avenue
for
enhancing
regenerative
processes.
These
possess
unique
electrical
properties
that
can
stimulate
cellular
activities
promote
making
them
particularly
suitable
engineering
applications.
This
review
aims
delineate
multifaceted
role
treating
various
bone-related
ailments,
highlighting
their
potential
active
regeneration
actively
pointing
out
future
research
directions
medicine
engineering.
By
integrating
insights
from
science
develop
more
effective
strategies
managing
injuries
disorders,
ultimately
promoting
osseointegration,
accelerating
regeneration.
Nano Energy,
Год журнала:
2024,
Номер
128, С. 109960 - 109960
Опубликована: Июль 3, 2024
The
current
wearable
devices
are
largely
rigid
and
bulky,
which
calls
for
the
development
of
next-generation
soft
biocompatible
technologies.
Another
limitation
is
that
conventional
generally
powered
by
thick
non-compliant
batteries,
hindering
miniaturization
improvement
electronics.
Hydrogels
have
attracted
tremendous
attention
in
field
bioelectronics
due
to
their
tissue-like
properties,
can
minimize
mechanical
mismatch
between
flexible
biological
tissues.
Moreover,
take
advantage
physical
chemical
energy
from
human
body
or
ambient
environment,
such
as
motions,
heat
energy,
biofuel,
water
wind
power
nature,
more
novel
technology
portable
supply
has
been
carried
out,
facilitating
bioelectronics.
In
this
review,
recent
advances
self-powered
based
on
hydrogels
summarized.
Firstly,
excellent
properties
introduced,
including
prominent
self-healing
high
conductivity
incorporation
conductive
polymers
additives,
interfacial
adhesion
functionality,
biocompatibility,
antibacterial
properties.
Then,
several
strategies
harvesting
discussed,
triboelectric
nanogenerators
(TENGs),
piezoelectric
(PENGs),
thermoelectric
(TEGs),
biofuel
cells
(BFCs),
hydrovoltaics,
antennas,
hydrogel-based
batteries.
Next,
some
representative
applications
illustrated
(i.e.,
motion
monitoring,
healthcare
monitoring
therapies,
neural
stimulation
human-machine
interaction).
Finally,
a
brief
summary
outlook
hydrogel
presented.
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 19, 2024
Hydrogels
present
attractive
opportunities
as
flexible
sensors
due
to
their
soft
nature
and
tunable
physicochemical
properties.
Despite
significant
advances,
practical
application
of
hydrogel-based
sensor
is
limited
by
the
lack
general
routes
fabricate
materials
with
combination
mechanical,
conductive,
biological
Here,
a
multi-functional
hydrogel
reported
in
situ
polymerizing
acrylamide
(AM)
N,N'-bis(acryloyl)cystamine
(BA)
dynamic
crosslinked
silver-modified
polydopamine
(PDA)
nanoparticles,
namely
PAM/BA-Ag@PDA.
Compared
traditional
polyacrylamide
(PAM)
hydrogel,
BA-Ag@PDA
nanoparticles
provide
both
high-functionality
crosslinks
multiple
interactions
within
PAM
networks,
thereby
endowing
optimized
PAM/BA-Ag@PDA
significantly
enhanced
tensile/compressive
strength
(349.80
kPa
at
383.57%
tensile
strain,
263.08
90%
compressive
strain),
lower
hysteresis
(5.2%),
improved
conductivity
(2.51
S
m
Gels,
Год журнала:
2024,
Номер
10(3), С. 187 - 187
Опубликована: Март 8, 2024
The
remarkable
flexibility
and
heightened
sensitivity
of
flexible
sensors
have
drawn
significant
attention,
setting
them
apart
from
traditional
sensor
technology.
Within
this
domain,
hydrogels—3D
crosslinked
networks
hydrophilic
polymers—emerge
as
a
leading
material
for
the
new
generation
sensors,
thanks
to
their
unique
properties.
These
include
structural
versatility,
which
imparts
traits
like
adhesiveness
self-healing
capabilities.
Traditional
templating-based
methods
fall
short
tailor-made
applications
in
crafting
sensors.
In
contrast,
3D
printing
technology
stands
out
with
its
superior
fabrication
precision,
cost-effectiveness,
satisfactory
production
efficiency,
making
it
more
suitable
approach
than
strategies.
This
review
spotlights
latest
hydrogel-based
developed
through
printing.
It
begins
by
categorizing
hydrogels
outlining
various
3D-printing
techniques.
then
focuses
on
range
sensors—including
those
strain,
pressure,
pH,
temperature,
biosensors—detailing
applications.
Furthermore,
explores
sensing
mechanisms
concludes
an
analysis
existing
challenges
prospects
future
research
breakthroughs
field.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 18, 2024
Abstract
Piezoelectric
energy
harvesting
captures
mechanical
from
a
number
of
sources,
such
as
vibrations,
the
movement
objects
and
bodies,
impact
events,
fluid
flow
to
generate
electric
power.
Such
power
can
be
employed
support
wireless
communication,
electronic
components,
ocean
monitoring,
tissue
engineering,
biomedical
devices.
A
variety
self‐powered
piezoelectric
sensors,
transducers,
actuators
have
been
produced
for
these
applications,
however
approaches
enhance
properties
materials
increase
device
performance
remain
challenging
frontier
research.
In
this
regard,
intrinsic
polarization
designed
or
deliberately
engineered
piezo‐generated
This
review
provides
insights
into
mechanisms
piezoelectricity
in
advanced
materials,
including
perovskites,
active
polymers,
natural
biomaterials,
with
focus
on
chemical
physical
strategies
piezo‐response
facilitate
their
integration
complex
systems.
Applications
soft
robotics
are
overviewed
by
highlighting
primary
figures
merits,
actuation
mechanisms,
relevant
applications.
Key
breakthroughs
valuable
further
improve
both
discussed,
together
critical
assessment
requirements
next‐generation
systems,
future
scientific
technological
solutions.
Journal of Materials Chemistry B,
Год журнала:
2024,
Номер
12(28), С. 6847 - 6855
Опубликована: Янв. 1, 2024
The
ability
of
thermoelectric
materials
to
generate
electricity
in
response
local
temperature
gradients
makes
them
a
potentially
promising
solution
for
the
regulation
cellular
functions
and
reconstruction
tissues.
Biocompatibility
implants
is
crucial
attribute
successful
integration
techniques
biomedical
applications.
This
work
focuses
on
vitro
vivo
evaluation
biocompatibility
12
typical
chalcogenide
thermoelectrics,
which
are
composed
biocompatible
elements.
Ag2Se,
SnSe,
Bi2Se3,
Bi2Te2.88Se0.12
Bi2Te3,
each
with
released
ion
concentration
lower
than
10
ppm
extracts,
exhibited
favorable
biocompatibility,
including
cell
viability,
adhesion,
hemocompatibility,
as
observed
initial
assessments.
Moreover,
assessment,
achieved
by
hematological
histopathological
analyses
rat
subcutaneous
model,
further
substantiated
possessing
superior
performance
at
room
temperature.
offers
robust
evidence
promote
Bi2Te3
potential
biomaterials,
establishing
foundation
their
future
applications
biomedicine.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 9, 2024
Abstract
A
paradigm
ionogel
consisting
of
ionic
liquid
(IL)
and
PVDF−HFP
composites
is
made,
which
inherently
possesses
dual‐function
thermoelectric
(iTE)
piezoelectric
(PE)
attributes.
This
study
investigates
an
innovative
“PE‐enhanced
iTEs”
effect,
wherein
the
thermopower
exhibits
a
58%
enhancement
while
conductivity
arises
more
than
2×
within
PE‐induced
internal
electric
field.
By
harnessing
these
multifaceted
features,
fully
self‐powered,
multimodal
sensors
demonstrate
their
superior
energy
conversion
capabilities,
possessed
minimum
sensitivities
0.13
mV
kPa
−1
0.96
K
in
pressure
temperature
alterations,
respectively.
The
PE
augmentation
iTEs
maximized
by
≈3×
under
rising
water
pressure.
Their
swift
sophisticated
responses
to
various
vivo
vital
signs
simultaneously
hemorrhagic
shock
scenario,
indicative
good
prospects
clinical
medicine
field
are
showcased.
Advanced Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Abstract
Due
to
the
advantages
of
multiplicity,
functionality,
and
flexibility
organic
building
blocks,
piezoelectric
materials
are
regarded
as
next‐generation
for
potential
applications
in
flexible
sensors
energy
harvesting
devices.
Here,
a
new
pure
pyrene‐based
molecule,
PyPT
is
presented,
which
crystallizes
non‐centrosymmetric
structure.
synthesized
demonstrated
be
suitable
developing
due
its
remarkable
properties.
The
molecule
exhibits
excitation
wavelength‐dependent
emission
behavior
aggregation‐caused
quenching
properties
coefficient
(d
33
)
8.02
±
0.26
pm
V
−1
.
output
electronic
signal
‐based
sensor
shows
significant
increase
from
30
721
pA
strain
increases
0.12%
0.59%
with
low
Young's
modulus
1.63
Gpa.
This
high‐performance
can
serve
sensitive
sound
detection
recognition
based
on
basic
characteristics
sound,
such
amplitude,
frequencies,
timbres.
research
offers
insights
into
advancing
luminescent
properties,
paving
way
electronics
wearables,
human–machine
interfaces,
Internet
Things.
