Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Bioprinting
technology
plays
a
crucial
role
for
constructing
tissue
substitutes.
However,
the
mismatched
scaffold
shapes
and
poor
treatment
timeliness
limit
its
clinical
translational
application.
In
situ
printing
that
prints
bioregenerants
directly
inside
patient's
body
can
meet
needs
of
specific
repair.
This
study
develops
smartphone
controlled
handheld
bioprinter
in
skin
wounds
dressing.
The
mini
be
placed
on
any
surface
to
create
strips,
complex
patterns,
3D
structures,
equipped
with
microchannel
needles
expand
functionality.
size
strips
as
well
path
programmed
by
ensure
precision
printed
product
quality.
Furthermore,
device
not
only
allows
smooth
switching
between
different
bioinks
heterogeneous
structure,
but
also
fast
uniform
coverage
large
wound
surfaces.
When
dealing
vitro
&
vivo,
printer
effectively
fill
precisely
close
wounds,
promoting
healing.
programmable
balance
mobility
customizability
management
is
expected
realize
potential
emergency
medical
condition‐constrained
scenarios,
such
battlefields
or
disaster
areas.
Materials & Design,
Journal Year:
2024,
Volume and Issue:
241, P. 112886 - 112886
Published: March 28, 2024
The
rising
incidence
of
defects
in
oral
and
maxillofacial
tissues,
linked
to
factors
such
as
trauma,
tumors,
periodontal
disease,
aging,
poses
significant
challenges.
Current
treatments,
involving
autografts,
allografts,
synthetic
graft
materials,
face
obstacles
like
secondary
inflammation,
inadequate
biocompatibility.
Tissue
engineering,
integrating
cell
biology
material
science
since
the
1990s,
relies
heavily
on
biomaterial
scaffolds
promote
adhesion,
proliferation,
differentiation.
Traditional
scaffold
fabrication,
including
3D
printing,
methods
lack
precision,
hindering
effective
tissue
repair
by
controlling
distribution
extracellular
matrix.
Biomedical
engineering
advancements
have
introduced
bioprinting
an
innovative
solution,
overcoming
constraints
conventional
scaffolds.
technology
enables
rapid
precise
reconstruction
damaged
tissues
with
loaded
cells,
mimicking
vivo
environments.
This
paper
explores
key
technologies
inkjet-based,
extrusion-based,
fused
deposition
modeling,
laser-assisted,
VAT
photopolymerization,
freeform
reversible
embedding
suspended
hydrogels,
sacrificial
template
printing.
selection
materials
suitable
mechanical
biological
properties
is
crucial,
considering
distinct
requirements
each
technique.
review
provides
a
comprehensive
survey
research
progress
printing
applications
craniofacial
dental
serving
valuable
reference
for
future
medical
research.
Bioactive Materials,
Journal Year:
2024,
Volume and Issue:
37, P. 348 - 377
Published: April 23, 2024
Setting
time
as
the
fourth
dimension,
4D
printing
allows
us
to
construct
dynamic
structures
that
can
change
their
shape,
property,
or
functionality
over
under
stimuli,
leading
a
wave
of
innovations
in
various
fields.
Recently,
smart
biomaterials,
biological
components,
and
living
cells
into
3D
constructs
with
effects
has
led
an
exciting
field
bioprinting.
bioprinting
gained
increasing
attention
is
being
applied
create
programmed
cell-laden
such
bone,
cartilage,
vasculature.
This
review
presents
overview
on
for
engineering
tissues
organs,
followed
by
discussion
approaches,
technologies,
biomaterials
design,
bioink
requirements,
applications.
While
much
progress
been
achieved,
complex
process
facing
challenges
need
be
addressed
transdisciplinary
strategies
unleash
full
potential
this
advanced
biofabrication
technology.
Finally,
we
present
future
perspectives
rapidly
evolving
bioprinting,
view
its
potential,
increasingly
important
roles
development
basic
research,
pharmaceutics,
regenerative
medicine.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(6), P. 531 - 531
Published: March 16, 2024
Biomimetic
scaffolds
imitate
native
tissue
and
can
take
a
multidimensional
form.
They
are
biocompatible
influence
cellular
metabolism,
making
them
attractive
bioengineering
platforms.
The
use
of
biomimetic
adds
complexity
to
traditional
cell
cultivation
methods.
most
commonly
used
technique
involves
cultivating
cells
on
flat
surface
in
two-dimensional
format
due
its
simplicity.
A
three-dimensional
(3D)
provide
microenvironment
for
surrounding
cells.
There
two
main
techniques
obtaining
3D
structures
based
the
presence
scaffolding.
Scaffold-free
consist
spheroid
technologies.
Meanwhile,
scaffold
contain
organoids
all
constructs
that
various
types
scaffolds,
ranging
from
decellularized
extracellular
matrix
(dECM)
through
hydrogels
one
extensively
studied
forms
potential
culture
up
4D
bioprinted
biomaterials.
bioprinting
is
important
create
scaffolds.
versatility
this
allows
many
different
inks,
mainly
hydrogels,
as
well
inorganic
substances.
Increasing
amounts
data
evidence
vast
usage
engineering
personalized
medicine,
with
area
application
being
regeneration
skin
musculoskeletal
systems.
Recent
papers
also
indicate
increasing
vivo
tests
products
which
further
strengthen
importance
branch
emphasize
need
extensive
research
safe
humansbiomimetic
tissues
organs.
In
review
article,
we
recent
advancements
field
preceded
by
an
overview
technologies
led
development
complex
type
culture.
Theranostics,
Journal Year:
2024,
Volume and Issue:
14(5), P. 2099 - 2126
Published: Jan. 1, 2024
Exosomes,
which
are
small
vesicles
enclosed
by
a
lipid
bilayer
and
released
many
cell
types,
widely
dispersed
have
garnered
increased
attention
in
the
field
of
regenerative
medicine
due
to
their
ability
serve
as
indicators
diseases
agents
with
therapeutic
potential.
Exosomes
play
crucial
role
mediating
intercellular
communication
through
transfer
biomolecules,
including
proteins,
lipids,
RNA,
other
molecular
constituents,
between
cells.
The
targeted
transport
proteins
nucleic
acids
specific
cells
has
potential
enhance
or
impair
biological
functions.
applications,
they
can
be
used
alone
combination
approaches.
examination
unique
attributes
functions
these
factors
emerged
prominent
study
realm
biomedical
research.
This
manuscript
summarizes
origins
properties
exosomes,
structural,
biological,
physical,
chemical
aspects.
paper
offers
complete
recent
progress
tissue
repair
medicine,
emphasizing
possible
implications
methods
forthcoming
regeneration
attempts.
Theranostics,
Journal Year:
2025,
Volume and Issue:
15(5), P. 1662 - 1688
Published: Jan. 2, 2025
Skin
injuries
caused
by
physical,
pathological,
and
chemical
factors
not
only
compromise
appearance
barrier
function
but
can
also
lead
to
life-threatening
microbial
infections,
posing
significant
challenges
for
patients
healthcare
systems.
Artificial
intelligence
(AI)
technology
has
demonstrated
substantial
advantages
in
processing
analyzing
image
information.
Recently,
AI-based
methods
algorithms,
including
machine
learning,
deep
neural
networks,
have
been
extensively
explored
wound
care
research,
providing
effective
clinical
decision
support
diagnosis,
treatment,
prognosis,
rehabilitation.
However,
remain
achieving
a
closed-loop
system
the
comprehensive
application
of
AI
management,
encompassing
monitoring,
treatment.
This
review
comprehensively
summarizes
recent
advancements
applications
repair.
Specifically,
it
discusses
AI's
role
injury
type
classification,
measurement
(including
area
depth),
tissue
monitoring
prediction,
personalized
Additionally,
addresses
limitations
faces
management.
Finally,
recommendations
repair
are
proposed,
along
with
an
outlook
on
future
research
directions,
aiming
provide
scientific
evidence
technological
further
AI-driven
theranostics.
Theranostics,
Journal Year:
2024,
Volume and Issue:
14(11), P. 4198 - 4217
Published: Jan. 1, 2024
The
utilization
of
extracellular
vesicles
(EVs)
in
wound
healing
has
been
well-documented.However,
the
direct
administration
free
EVs
via
subcutaneous
injection
at
sites
may
result
rapid
dissipation
bioactive
components
and
diminished
therapeutic
efficacy.Functionalized
hydrogels
provide
effective
protection,
as
well
ensure
sustained
release
bioactivity
during
process,
making
them
an
ideal
candidate
material
for
delivering
EVs.In
this
review,
we
introduce
mechanisms
by
which
accelerate
healing,
then
elaborate
on
construction
strategies
engineered
EVs.Subsequently,
discuss
synthesis
application
delivery
systems
to
enhance
complicated
healing.Furthermore,
face
wounds,
functionalized
with
specific
microenvironment
regulation
capabilities,
such
antimicrobial,
anti-inflammatory,
immune
regulation,
used
loading
EVs,
potential
approaches
addressing
these
challenges.Ultimately,
deliberate
future
trajectories
outlooks,
offering
a
fresh
viewpoint
advancement
artificial
intelligence
(AI)-energized
materials
3D
bio-printed
multifunctional
hydrogel-based
dressings
biomedical
applications.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(47)
Published: Nov. 18, 2024
Abstract
Skin
wounds
have
become
an
important
issue
that
affects
human
health
and
burdens
global
medical
care.
Hydrogel
materials
similar
to
the
natural
extracellular
matrix
(ECM)
are
one
of
best
candidates
for
ideal
wound
dressings
most
feasible
choices
printing
inks.
Distinct
from
hydrogels
made
by
traditional
technologies,
which
lack
bionic
mechanical
properties,
3D
can
promptly
accurately
create
with
complex
bioactive
structures
potential
promote
tissue
regeneration
healing.
Herein,
a
comprehensive
review
multi‐functional
printing‐based
hydrogel
healing
is
presented.
The
first
summarizes
techniques
dressings,
including
photo‐curing,
extrusion,
inkjet,
laser‐assisted
printing.
Then,
properties
design
approaches
series
bioinks
composed
natural,
synthetic,
composite
polymers
described.
Thereafter,
application
in
variety
environments
discussed
depth,
hemostasis,
anti‐inflammation,
antibacterial,
skin
appendage
regeneration,
intelligent
monitoring,
machine
learning‐assisted
therapy.
Finally,
challenges
prospects