Small Science,
Journal Year:
2024,
Volume and Issue:
4(11)
Published: Sept. 3, 2024
Degenerative
joint
diseases,
as
a
global
public
health
issue,
impose
significant
burdens
on
patients'
lives
and
substantial
economic
costs
society.
Currently,
the
primary
modalities
include
physical
therapy,
pharmaceutical
intervention,
surgical
procedures.
None
of
these
approaches
can
alter
course
this
degenerative
process.
Due
to
their
commendable
biocompatibility,
biodegradability,
heightened
efficacy
in
drug
delivery,
hydrogels
present
themselves
novel
noninvasive
remedy
for
ailments.
However,
clinical
application
still
faces
some
challenges,
including
uncontrolled
discharge
encapsulated
medications,
absence
adequate
mechanical
reinforcement
destabilized
joints,
adaptability
fluctuating
microenvironments.
Recently,
nanocomposite
hydrogels,
formed
by
introducing
nanomaterials
into
or
chemical
means,
improve
limitations
extend
potential
biological
applications
diseases.
In
study,
pathologic
features
diseases
multiple
different
types
targeting
are
briefly
described.
It
also
concludes
with
an
outlook
use
settings
discusses
challenges
limitations.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 22, 2024
Bioelectricity
provides
electrostimulation
to
regulate
cell/tissue
behaviors
and
functions.
In
the
human
body,
bioelectricity
can
be
generated
in
electromechanically
responsive
tissues
organs,
as
well
biomolecular
building
blocks
that
exhibit
piezoelectricity,
with
a
phenomenon
known
piezoelectric
effect.
Inspired
by
natural
bio-piezoelectric
phenomenon,
efforts
have
been
devoted
exploiting
high-performance
synthetic
biomaterials,
including
molecular
materials,
polymeric
ceramic
composite
materials.
Notably,
biomaterials
polarize
under
mechanical
strain
generate
electrical
potentials,
which
used
fabricate
electronic
devices.
Herein,
review
article
is
proposed
summarize
design
research
progress
of
devices
toward
bionanotechnology.
First,
functions
regulating
electrophysiological
activity
from
cellular
tissue
level
are
introduced.
Next,
recent
advances
structure-property
relationship
various
provided
detail.
following
part,
applications
engineering,
drug
delivery,
biosensing,
energy
harvesting,
catalysis
systematically
classified
discussed.
Finally,
challenges
future
prospects
presented.
It
believed
this
will
provide
inspiration
for
development
innovative
fields
biomedicine
nanotechnology.
Gels,
Journal Year:
2023,
Volume and Issue:
9(2), P. 103 - 103
Published: Jan. 24, 2023
Bioprinting
aims
to
provide
new
avenues
for
regenerating
damaged
human
tissues
through
the
controlled
printing
of
live
cells
and
biocompatible
materials
that
can
function
therapeutically.
Polymeric
hydrogels
are
commonly
investigated
ink
3D
4D
bioprinting
applications,
as
they
contain
intrinsic
properties
relative
those
native
tissue
extracellular
matrix
be
printed
produce
scaffolds
hierarchical
organization.
The
incorporation
nanoscale
material
additives,
such
nanoparticles,
bulk
inks,
has
allowed
significant
tunability
mechanical,
biological,
structural,
physicochemical
during
after
printing.
modulatory
biological
effects
nanoparticles
bioink
additives
derive
from
their
shape,
size,
surface
chemistry,
concentration,
and/or
source,
making
many
configurations
nanoparticle
high
interest
thoroughly
improved
design
bioactive
engineering
constructs.
This
paper
review
well
other
additive
materials,
printable
bioinks
specifically
bone,
cartilage,
dental,
cardiovascular
tissues.
An
overview
various
classifications
will
discussed
with
emphasis
on
cellular
mechanical
interactions,
formulation
methodologies
techniques.
current
advances
limitations
within
field
highlighted.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(16)
Published: April 19, 2024
The
organelle
network
is
a
key
factor
in
the
repair
and
regeneration
of
lesion.
However,
effectively
intervening
which
has
complex
interaction
mechanisms
challenging.
In
this
study,
on
basis
electromagnetic
laws,
we
constructed
biomaterial-based
physical/chemical
restraint
device.
This
device
was
designed
to
jointly
constrain
electrical
biological
factors
conductive
screw-threaded
microneedle
(ST-needle)
system,
identifying
dual
positioning
regulation
network.
unique
physical
properties
system
could
accurately
locate
lesion
restrict
current
path
cells
through
dynamic
Van
der
Waals
forces
were
activated
release
functionalized
hydrogel
microspheres.
Subsequently,
mitochondria-endoplasmic
reticulum
(ER)
synergistically
targeted
by
increasing
mitochondrial
ATP
supply
ER
via
stimulation
blocking
calcium
from
mitochondria
using
microspheres,
then
life
activity
restored.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Oct. 17, 2024
The
incidence
of
large
bone
defects
caused
by
traumatic
injury
is
increasing
worldwide,
and
the
tissue
regeneration
process
requires
a
long
recovery
time
due
to
limited
self-healing
capability.
Endogenous
bioelectrical
phenomena
have
been
well
recognized
as
critical
biophysical
factors
in
remodeling
regeneration.
Inspired
bioelectricity,
electrical
stimulation
has
widely
considered
an
external
intervention
induce
osteogenic
lineage
cells
enhance
synthesis
extracellular
matrix,
thereby
accelerating
With
ongoing
advances
biomaterials
energy-harvesting
techniques,
electroactive
self-powered
systems
biomimetic
approaches
ensure
functional
recapitulating
natural
electrophysiological
microenvironment
healthy
tissue.
In
this
review,
we
first
introduce
role
bioelectricity
endogenous
electric
field
summarize
different
techniques
electrically
stimulate
Next,
highlight
latest
progress
exploring
hybrid
such
triboelectric
piezoelectric-based
nanogenerators
photovoltaic
cell-based
devices
their
implementation
engineering.
Finally,
emphasize
significance
simulating
target
tissue's
propose
opportunities
challenges
faced
bioelectronics
for
repair
strategies.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
19(4), P. 4422 - 4439
Published: Jan. 21, 2025
Multiple
physical
stimuli
are
expected
to
produce
a
synergistic
effect
promote
bone
tissue
regeneration.
Low-intensity
pulsed
ultrasound
(LIPUS)
has
been
clinically
used
in
repair
for
the
mechanical
stimulation
that
it
provides.
In
addition,
LIPUS
can
also
excite
biomaterials
generate
other
such
as
thermal
or
electrical
stimuli.
this
study,
scaffold
based
on
decellularized
adipose
(DAT)
is
established
by
incorporating
polydopamine-modified
multilayer
black
phosphorus
nanosheets
(pDA-mBP@DAT).
Their
under
and
potential
mechanisms
further
investigated.
This
possesses
piezoelectric
properties
generates
mild
thermogenic
stimulus
when
stimulated
LIPUS.
With
superior
properties,
demonstrated
have
good
cytocompatibility
vitro
vivo.
Simultaneously,
promotes
cell
attachment,
migration,
osteogenic
differentiation
pDA-mBP@DAT
scaffold.
Furthermore,
combined
use
of
significantly
affects
regenerative
rat
models
critical-sized
calvarial
defects.
The
possible
include
promoting
osteogenesis
neovascularization
activating
Piezo1.
study
presents
insight
into
speeding
up
regeneration
combination
scaffolds.
Journal of Nanobiotechnology,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: March 24, 2025
Electrical
stimulation
has
been
shown
to
regulate
early
immunity
and
late-stage
osteogenesis
in
bone
repair.
However,
achieving
in-situ
electrical
the
form
of
self-power
vivo
during
initial
postoperative
stages
when
patients
have
limited
mobility
remains
challenging.
In
this
study,
we
developed
a
3D-printed
self-powered
composite
scaffold
composed
shape
memory
polyurethane
elastomers
(SMPU)
polyvinylidene
fluoride
(PVDF)
piezoelectric
nanofibers.
The
demonstrates
excellent
performance,
allowing
for
minimally
invasive
implantation.
During
process,
can
provide
mechanical
force
PVDF
nanofibers
generate
charge.
Therefore,
was
achieved
through
integration
process
effects,
it
be
used
period.
Additionally,
output
voltage
under
continuous
stimulation,
indicating
that
apply
sustained
rehabilitation
exercises
regain
mobility.
Both
cell
experiments
animal
studies
confirmed
effectively
immune
microenvironment
enhance
osteogenesis.
This
study
successfully
achieves
by
integrating
which
is
expected
an
effective
repair
strategy
tissue
engineering.
Advanced Healthcare Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
Abstract
Mechanical
force
is
essential
for
bone
development,
homeostasis,
and
fracture
healing.
In
the
past
few
decades,
various
biomaterials
have
been
developed
to
provide
mechanical
signals
that
mimic
natural
microenvironment,
thereby
promoting
regeneration.
Bone
organoids,
emerging
as
a
novel
research
approach,
are
3D
micro‐bone
tissues
possess
ability
self‐renew
self‐organize,
exhibiting
biomimetic
spatial
characteristics.
Incorporating
mechano‐responsive
in
construction
of
organoids
presents
promising
avenue
simulating
microenvironment.
Therefore,
this
review
commences
by
elucidating
impact
on
health,
encompassing
both
cellular
interactions
alterations
structure.
Furthermore,
most
recent
applications
within
realm
tissue
engineering
highlighted.
Three
different
types
introduced
with
focus
their
responsive
mechanisms,
strategies,
efficacy
facilitating
Based
comprehensive
overview,
prospective
utilization
future
challenges
discussed.
As
organoid
technology
advances,
these
poised
become
powerful
tools