Process Optimization for Coaxial Extrusion-Based Bioprinting: A Comprehensive Analysis of Material Behavior, Structural Precision, and Cell Viability
Additive manufacturing,
Год журнала:
2025,
Номер
unknown, С. 104682 - 104682
Опубликована: Янв. 1, 2025
Язык: Английский
Biomaterials for neuroengineering: Applications and challenges
Huanghui Wu,
E.J. Feng,
Huazong Yin
и другие.
Regenerative Biomaterials,
Год журнала:
2025,
Номер
12
Опубликована: Янв. 1, 2025
Abstract
Neurological
injuries
and
diseases
are
a
leading
cause
of
disability
worldwide,
underscoring
the
urgent
need
for
effective
therapies.
Neural
regaining
enhancement
therapies
seen
as
most
promising
strategies
restoring
neural
function,
offering
hope
individuals
affected
by
these
conditions.
Despite
their
promise,
path
from
animal
research
to
clinical
application
is
fraught
with
challenges.
Neuroengineering,
particularly
through
use
biomaterials,
has
emerged
key
field
that
paving
way
innovative
solutions
It
seeks
understand
treat
neurological
disorders,
unravel
nature
consciousness,
explore
mechanisms
memory
brain’s
relationship
behavior,
tissue
engineering,
interfaces
targeted
drug
delivery
systems.
These
including
both
natural
synthetic
types,
designed
replicate
cellular
environment
brain,
thereby
facilitating
repair.
This
review
aims
provide
comprehensive
overview
biomaterials
in
neuroengineering,
highlighting
functional
across
basic
practice.
covers
recent
developments
biomaterial-based
products,
2D
3D
bioprinted
scaffolds
cell
organoid
culture,
brain-on-a-chip
systems,
biomimetic
electrodes
brain–computer
interfaces.
also
explores
artificial
synapses
networks,
discussing
applications
modeling
microenvironments
repair
regeneration,
modulation
manipulation
integration
traditional
Chinese
medicine.
serves
guide
role
advancing
neuroengineering
solutions,
providing
insights
into
ongoing
efforts
bridge
gap
between
innovation
application.
Язык: Английский
Five-In-One Hydrogel Integrating Bacteriostasis, Self-Healing Capability, Growth Factor Release, Electrical Stimulation, and Photothermal Stimulation Tailored for Complex Wound Repair
ACS Biomaterials Science & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
Complex
wound
management
remains
a
significant
global
challenge,
and
the
development
of
multifunctional
dressings
that
can
effectively
promote
healing
an
urgent
clinical
need.
Herein,
kind
hydrogel
dressing
combines
bacteriostasis,
self-healing
capability,
growth
factor
release,
electrical
stimulation,
photothermal
stimulation
is
developed.
This
generated
by
adding
protocatechualdehyde
(protocatechuic
aldehyde
(PA)),
short
core-shell
fibers
loading
with
platelet-rich-plasma
(platelet-rich
plasma
fibers),
polydopamine-coated
carbon
nanotubes
(PDA@CNTs)
into
quaternary
ammonium
chitosan
(QCS)
solution
to
form
shear-reversibly
cross-linked
QCS/PA/PDA@CNTs-PRP
hydrogel.
The
obtained
hydrogels
possess
impressive
properties,
including
high
swelling
capacity
(445-852%),
strong
adhesion
ability
(16.4-36.7
kPa),
ability,
injectability,
conductivity
(0.24-0.46
S/m),
properties.
Notably,
under
near-infrared
irradiation,
exhibits
highly
efficient
bactericidal
activity.
In
vitro
experiments
demonstrated
excellent
biocompatibility
anti-inflammatory
capability
as
well
its
stimulate
cell
proliferation,
migration,
tubule
formation.
Moreover,
in
vivo
studies
further
confirmed
additional
assistance
light
promotes
epithelization,
angiogenesis,
collagen
deposition.
Consequently,
this
provides
promising
therapeutic
strategy
for
complex
healing.
Язык: Английский
A facile nanopattern modification of silk fibroin electrospun scaffold and corresponding impact on cell proliferation and osteogenesis
Regenerative Biomaterials,
Год журнала:
2024,
Номер
11
Опубликована: Янв. 1, 2024
Abstract
As
a
well-known
natural
protein
biomaterial,
silk
fibroin
(SF)
has
shown
broad
application
prospects
in
typical
biomedical
fields.
However,
the
mostly
used
SF
from
Bombyx
mori
silkworm
lacks
specific
cell
adhesion
sites
and
other
bioactive
peptide
sequences,
there
is
still
significant
room
for
further
improvement
of
their
biological
functions.
Therefore,
it
crucial
to
develop
facile
effective
modification
strategy
this
widely
researched
biomaterial.
In
study,
electrospun
scaffold
been
chosen
as
air
plasma
etching
adopted
nanopattern
promote
its
Results
demonstrated
that
could
feasibly
effectively
create
nano-island-like
patterns
on
complex
surface
scaffolds,
detailed
features
be
easily
regulated
by
adjusting
time.
addition,
mesenchymal
stem
responses
have
illustrated
significantly
regulate
corresponding
behaviors.
Compared
with
non-etched
scaffold,
10
min-etched
scaffolds
(10E
scaffold)
promoted
proliferation
osteogenic
differentiation.
Moreover,
10E
also
confirmed
accelerate
vascularization
ectopic
osteogenesis
vivo
using
rat
subcutaneous
implantation
model.
mentioned
promoting
effects
would
weakened
or
even
counteracted
increase
conclusion,
great
potential
Thus,
provided
useful
guidance
excellent
SF-based
suitable
bone
tissue
engineering.
Язык: Английский