Gels,
Journal Year:
2025,
Volume and Issue:
11(4), P. 226 - 226
Published: March 22, 2025
Wound
healing
is
a
complex
biological
process
involving
inflammation,
proliferation,
and
remodeling
phases.
Effective
essential
for
maintaining
skin
integrity,
driving
the
need
advanced
materials
like
hydrogels,
known
their
high
water
retention
tunable
mechanical
properties.
In
this
study,
we
synthesized
biocompatible
composite
hydrogel
composed
of
γ-polyglutamic
acid
(γ-PGA)
ε-polylysine
(ε-PL)
through
Schiff
base
reaction,
forming
stable
crosslinked
network.
Its
physicochemical
properties,
including
rheological
behavior
swelling
capacity,
were
systematically
evaluated.
Biocompatibility
was
assessed
via
in
vitro
hemolysis
cytotoxicity
assays,
vivo
testing
performed
using
full-thickness
defect
model
Sprague
Dawley
(SD)
rats
to
evaluate
wound-healing
efficacy.
The
PGA-PL
demonstrated
excellent
with
maximum
ratio
65.6%,
biocompatibility
as
evidenced
by
low
rates
(<5%)
cell
viability
(>80%).
It
promoted
wound
inhibiting
inflammatory
response,
reducing
levels
cytokine
IL-6,
enhancing
angiogenesis,
accelerating
collagen
deposition.
showed
complete
biodegradation
within
21
days
without
inducing
significant
response
significantly
accelerated
healing,
achieving
an
86%
rate
7
compared
67%
control
group.
exhibits
strength
biocompatibility,
its
effective
capabilities
lay
groundwork
future
development
optimization
various
tissue
engineering
applications.
Gels,
Journal Year:
2025,
Volume and Issue:
11(1), P. 72 - 72
Published: Jan. 16, 2025
Stimulus-responsive
hydrogels
have
emerged
as
versatile
materials
for
environmental
and
wastewater
treatment
applications
due
to
their
ability
adapt
changing
conditions.
This
review
highlights
recent
advances
in
the
design,
synthesis,
functionalization
of
such
hydrogels,
focusing
on
applications.
Various
synthesis
techniques,
including
radical
polymerization,
grafting,
copolymerization,
enable
development
with
tailored
properties
enhanced
adsorption
capacity,
selectivity,
reusability.
The
incorporation
nanoparticles
bio-based
polymers
further
improves
structural
integrity
pollutant
removal
efficiency.
Key
mechanisms
adsorption,
ion
exchange,
photodegradation
are
discussed,
emphasizing
roles
removing
heavy
metals,
dyes,
organic
pollutants
from
wastewater.
Additionally,
this
presents
potential
oil-water
separation,
pathogen
control,
future
sustainability
through
integration
into
circular
economy
frameworks.
adaptability,
cost-effectiveness,
eco-friendliness
these
make
them
promising
candidates
large-scale
remediation.
Gels,
Journal Year:
2025,
Volume and Issue:
11(2), P. 126 - 126
Published: Feb. 9, 2025
Peripheral
nerve
injuries
pose
a
significant
clinical
challenge
due
to
the
complex
biological
processes
involved
in
repair
and
their
limited
regenerative
capacity.
Despite
advances
surgical
techniques,
conventional
treatments,
such
as
autografts,
are
faced
with
limitations
like
donor
site
morbidity
inconsistent
functional
outcomes.
As
such,
there
is
growing
interest
new,
novel,
innovative
strategies
enhance
regeneration.
Tissue
engineering/regenerative
medicine
its
use
of
biomaterials
an
emerging
example
strategy.
Within
realm
tissue
engineering,
functionalized
hydrogels
have
gained
considerable
attention
ability
mimic
extracellular
matrix,
support
cell
growth
differentiation,
even
deliver
bioactive
molecules
that
can
promote
repair.
These
be
engineered
incorporate
factors,
peptides,
stem
cells,
creating
conducive
microenvironment
for
cellular
axonal
Recent
advancements
materials
well
biology
led
development
sophisticated
hydrogel
systems,
not
only
provide
structural
support,
but
also
actively
modulate
inflammation,
recruitment,
stimulate
neurogenesis.
This
review
explores
potential
peripheral
repair,
highlighting
composition,
biofunctionalization,
mechanisms
action.
A
comprehensive
analysis
preclinical
studies
provides
insights
into
efficacy
these
promoting
growth,
neuronal
survival,
regeneration,
and,
ultimately,
recovery.
Thus,
this
aims
illuminate
promise
transformative
tool
field
bridging
gap
between
complexity
feasibility.
Materials Today Bio,
Journal Year:
2025,
Volume and Issue:
30, P. 101441 - 101441
Published: Jan. 1, 2025
The
therapeutic
effect
of
immune
checkpoint
inhibitors
(ICIs)
in
triple-negative
breast
cancer
(TNBC)
is
unsatisfactory.
"cold"
microenvironment
caused
by
tumor-associated
fibroblasts
(TAFs)
has
an
adverse
on
the
antitumor
response.
Therefore,
this
study,
mixed
cell
membrane-coated
porous
magnetic
nanoparticles
(PMNPs)
were
constructed
to
deliver
salvianolic
acid
B
(SAB)
induce
response,
facilitating
transition
from
a
"hot"
tumor
and
ultimately
enhancing
efficacy
inhibitors.
PMNP-SAB,
which
based
coating
red
blood
membrane
TAF
(named
PMNP-SAB@RTM),
can
simultaneously
achieve
dual
effects
"immune
escape"
"homologous
targeting".
Under
influence
external
field
(MF),
SAB
be
targeted
concentrated
at
site.
released
tumors
effectively
inhibit
production
extracellular
matrix
(ECM)
TAFs,
promote
T-cell
infiltration,
responses.
Ultimately,
combination
PMNP-SAB@RTM
BMS-1
(PD-1/PD-L1
inhibitor
1)
inhibited
growth.
Finally,
study
presents
precise
effective
new
strategy
for
TNBC
immunotherapy
basis
differentiation
microenvironments.
Materials,
Journal Year:
2024,
Volume and Issue:
17(19), P. 4792 - 4792
Published: Sept. 29, 2024
Hydrogels,
known
for
their
unique
ability
to
retain
large
amounts
of
water,
have
emerged
as
pivotal
materials
in
both
tissue
engineering
and
biosensing
applications.
This
review
provides
an
updated
comprehensive
examination
cutting-edge
hydrogel
technologies
multifaceted
roles
these
fields.
Initially,
the
chemical
composition
intrinsic
properties
natural
synthetic
hydrogels
are
discussed,
highlighting
biocompatibility
biodegradability.
The
manuscript
then
probes
into
innovative
scaffold
designs
fabrication
techniques
such
3D
printing,
electrospinning,
self-assembly
methods,
emphasizing
applications
regenerating
bone,
cartilage,
skin,
neural
tissues.
In
realm
biosensing,
hydrogels’
responsive
nature
is
explored
through
integration
optical,
electrochemical,
piezoelectric
sensors.
These
sensors
instrumental
medical
diagnostics
glucose
monitoring,
pathogen
detection,
biomarker
identification,
well
environmental
industrial
like
pollution
food
quality
monitoring.
Furthermore,
explores
cross-disciplinary
innovations,
including
use
wearable
devices,
hybrid
systems,
potential
personalized
medicine.
By
addressing
current
challenges
future
directions,
this
aims
underscore
transformative
impact
advancing
healthcare
practices,
thereby
providing
a
vital
resource
researchers
practitioners
field.
Journal of Tissue Engineering,
Journal Year:
2025,
Volume and Issue:
16
Published: Jan. 1, 2025
Osteonecrosis
of
the
femoral
head
(ONFH)
is
a
prevalent
orthopedic
disorder
characterized
primarily
by
compromised
blood
supply.
This
vascular
deficit
results
in
cell
apoptosis,
trabecular
bone
loss,
and
structural
collapse
at
late
stage,
significantly
impairing
joint
function.
While
MRI
highly
effective
tool
for
diagnosing
ONFH
its
early
stages,
challenges
remain
due
to
limited
availability
high
cost
MRI,
as
well
absence
routine
screening
asymptomatic
patients.
.
In
addition,
current
therapeutic
strategies
predominantly
only
relieve
symptoms
while
disease-modifying
drugs
are
still
under
investigation/development.
Considering
that
supply
plays
key
role
pathology
ONFH,
angiogenic
therapies
have
been
put
forward
promising
treatment
options.
Emerging
bioengineering
interventions
targeting
angiogenesis
hold
potential
treatment.
this
review,
we
introduce
advances
research
into
summarize
novel
angiogenesis.
review
sheds
light
upon
new
directions
future
ONFH.
Discover Materials,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: Aug. 28, 2024
Nanocomposite
hydrogels
(NHs)
have
emerged
as
a
groundbreaking
tool
in
biomedical
applications,
offering
remarkable
versatility
and
efficacy.
Integrating
wide
range
of
nanoparticles,
including
carbon-based,
polymeric,
ceramic,
metallic
nanomaterials,
within
hydrogel
networks
results
nanocomposites
with
superior
properties
tailored
functionalities.
Recent
research
has
highlighted
their
potential
to
address
key
challenges
drug
delivery,
cancer
therapy,
tissue
regeneration,
biosensing,
wound
healing,
outstanding
biocompatibility
bioavailability.
Nanohydrogels
demonstrate
significant
promise
delivery
systems
biological
sensors,
providing
sustained
therapeutic
activity
at
targeted
sites.
This
reduces
the
frequency
administration
minimizes
harmful
side
effects.
In
healthcare
sector,
they
applications
ranging
from
therapy
aesthetic
corrections
are
leading
topic
regeneration
research.
comprehensive
review
Biomedical
Applications
investigates
latest
advancements
NHs,
focusing
on
classification,
unique
properties,
diverse
applications.
By
identifying
future
prospects
existing
gaps,
this
aims
highlight
diagnostic
nanocomposite
technology,
covering
way
for
further
advancement
field.