Journal of Cosmetic Dermatology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 16, 2024
ABSTRACT
Background
Injectable
augmentation
gels
are
widely
used
in
the
treatment
of
soft
tissue.
The
composition
these
has
to
be
continuously
improved
due
limitations
currently
available
formulations.
Aims
This
study
focuses
on
development
an
innovative
injectable
gel
designed
address
current
trends
and
specific
needs
within
field.
Methods
utilized
a
safer
hyaluronic
acid
(HA)
carrier,
created
with
less
toxic
cross‐linker,
combination
polycaprolactone
(PCL)
microspheres
at
various
concentrations.
PCL
were
prepared
using
emulsification‐solvent
evaporation
technique.
Six
different
formulations
developed
biphasic
HA
structures.
Results
produced
had
non‐agglomerated,
smooth
surfaces
average
particle
size
approximately
45
±
0.14
μm.
rheological
results
PCL‐HA6
such
as
storage
modulus
(
G
',
Pa),
loss
",
complex
viscosity
η
*),
phase
angle
(°)
1
Hz
frequency
measured
553.97
32.48,
368.4
12.24,
105.9
5.27,
33.65
0.92,
respectively,
injection
force
was
9.64
1.46.
In
vitro
tests
revealed
that
group
showed
highest
cell
viability
compared
other
groups
provided
relative
increase
collagen
production
over
time,
demonstrated
by
relevant
gene
expression.
Conclusions
PCL/HA
exhibited
biocompatibility
non‐toxicity,
making
it
safe
option
for
tissue
augmentation.
It
potential
medical
applications
favorable
characteristics
injectability.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(7), P. 912 - 912
Published: March 28, 2025
The
goal
of
this
study
was
to
design
polymeric
beads
with
a
core
date
palm
pollen
(DPP,
Phoenix
dactylifera
L.)
extract
using
the
ionic
gelation
method
and
then
assess
effects
in
combination
alginate
polymer
(alginate/DPP
beads)
on
profile
phenolic
compounds,
their
vitro
controlled
release,
as
well
antioxidant
characteristics,
potential
role
hepato-protection
fertility-stimulating
hormones
improvement
bisphenol
A
(BPA)-treated
rats.
encapsulation
efficiency
(EE)
94.27
±
1.47%.
found
that
release
highest
(89.81%)
at
pH
7.4
(simulated
intestinal
fluid)
lowest
(59.43%)
2
stomach
after
3
h.
This
particular
type
bead
also
exhibited
significant
activity,
component
content,
flavonoid
content.
estimated
content
66.48
mg
GAE/g,
methyl
gallate,
gallic
acid,
naringenin
main
components.
In
vivo
evaluation
findings
revealed
both
doses
alginate/DPP
(delivering
250
350
mg/kg
per
day)
significantly
protected
liver
(as
demonstrated
by
downregulated
function
parameters),
improved
levels
male
hormones,
reduced
oxidative
stress
parameters
inflammatory
cytokines,
testicular
tissues
from
BPA-induced
changes.
Thus,
actions
make
them
promising
choice
for
antioxidant,
liver-protecting,
hormone-enhancing
hydrogels.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 4270 - 4292
Published: July 1, 2024
Bone,
a
fundamental
constituent
of
the
human
body,
is
vital
scaffold
for
support,
protection,
and
locomotion,
underscoring
its
pivotal
role
in
maintaining
skeletal
integrity
overall
functionality.
However,
factors
such
as
trauma,
disease,
or
aging
can
compromise
bone
structure,
necessitating
effective
strategies
regeneration.
Traditional
approaches
often
lack
biomimetic
environments
conducive
to
efficient
tissue
repair.
Nanofibrous
microspheres
(NFMS)
present
promising
platform
regeneration
by
mimicking
native
extracellular
matrix
architecture.
Through
optimized
fabrication
techniques
incorporation
active
biomolecular
components,
NFMS
precisely
replicate
nanostructure
biochemical
cues
essential
osteogenesis
promotion.
Furthermore,
exhibit
versatile
properties,
including
tunable
morphology,
mechanical
strength,
controlled
release
kinetics,
augmenting
their
suitability
tailored
engineering
applications.
enhance
cell
recruitment,
attachment,
proliferation,
while
promoting
osteogenic
differentiation
mineralization,
thereby
accelerating
healing.
This
review
highlights
engineering,
elucidating
design
principles
key
attributes.
By
examining
recent
preclinical
applications,
we
assess
current
clinical
status
discuss
critical
considerations
potential
translation.
offers
crucial
insights
researchers
at
intersection
biomaterials
highlighting
developments
this
expanding
field.
Pharmaceutics,
Journal Year:
2024,
Volume and Issue:
16(8), P. 979 - 979
Published: July 24, 2024
Intervertebral
disc
degeneration
(IVDD)
stands
as
the
foremost
contributor
to
low
back
pain
(LBP),
imposing
a
substantial
weight
on
world
economy.
Traditional
treatment
modalities
encompass
both
conservative
approaches
and
surgical
interventions;
however,
former
falls
short
in
halting
IVDD
progression,
while
latter
carries
inherent
risks.
Hence,
quest
for
an
efficacious
method
reverse
onset
is
paramount.
Biomaterial
delivery
systems,
exemplified
by
hydrogels,
microspheres,
microneedles,
renowned
their
exceptional
biocompatibility,
biodegradability,
biological
efficacy,
mechanical
attributes,
have
found
widespread
application
bone,
cartilage,
various
tissue
engineering
endeavors.
Consequently,
IVD
has
emerged
burgeoning
field
of
interest.
This
paper
succinctly
introduces
intervertebral
(IVD)
structure
pathophysiology
IVDD,
meticulously
classifies
biomaterials
repair,
reviews
recent
advances
field.
Particularly,
strengths
weaknesses
are
emphasized,
potential
avenues
future
research
suggested.
Polymer-Plastics Technology and Materials,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 23
Published: Dec. 16, 2024
Polymers
have
become
a
versatile
tool
in
pharmaceutical
chemistry
through
techniques
and
new
formulation.
This
review
presents
an
overview
of
the
general
topic
drug
delivery
polymers,
places
particular
focus
on
their
specific
contributions,
discusses
significant
issues
like
biocompatibility,
controlled
release
targeted
delivery.
Unlike
previous
reviews,
it
captures
recent
development
biodegradable,
smart
stimuli-responsive
abilities
to
improve
therapy
outcomes
patient
adherence
treatments.
Furthermore,
this
work
also
has
enhanced
understanding
advanced
polymer-based
systems
such
as
polymeric
nanoparticles,
bioconjugation
strategies
natural
with
examples
various
therapeutic
areas.
The
stands
for
itself
by
expanding
discussion
regulatory
clinical
realism
difficulties
well
safety,
efficacy,
acceptance
considerations.
In
addition,
emphasizes
role
interdisciplinary
intersectoral
cooperation
cross-country
collaborations
developing
polymers-based
applications
precision
medicine.
way,
provides
fresh
view
both
present
advancements
future
possibilities
technologies
dedicated
achievements
globally
inspire
researchers
practitioners.
Macromolecular Rapid Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
The
self-assembly
of
macromolecular
segments
promotes
the
fabrication
polymer
microspheres
with
multiple
morphologies.
Inspired
by
xanthium
shells,
A
dual-driven
method
have
defined
that
enables
construction
multi-dimensional
morphologies
on
microsphere
surface
at
emulsion-confined
interfaces.
two
driving
forces
are
derived
from
phase
separation
caused
immiscibility
and
different
interactions
between
chain
hydrophilicity
water
molecules.
synergistic
effects
these
forces,
shell
structure
is
constructed
surface,
enabling
development
increasingly
complex
superstructure.
This
scalable
approach
provides
extensive
potential
for
technology
block
copolymers
opposite
properties.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(2), P. 375 - 375
Published: Jan. 17, 2025
Colored
polymer
microspheres
have
attracted
significant
attention
in
both
academia
and
industry
due
to
their
unique
optical
properties
extensive
application
potential.
However,
achieving
a
uniform
distribution
of
dyes
within
these
remains
challenge,
particularly
when
heavy
concentrations
dye
are
used,
as
this
can
lead
aggregation
or
delamination,
adversely
affecting
application.
Additionally,
many
prone
degradation
fading
exposed
light,
heat,
chemicals,
which
compromises
the
long-term
color
stability
microspheres.
Consequently,
preparation
colored
with
high
continues
be
challenge.
This
review
offers
comprehensive
overview
techniques
for
dyeing
mechanisms,
introducing
fundamental
concepts
applications
various
fields,
such
biomedicine,
devices,
electronic
display
technologies.
It
further
presents
detailed
discussion
different
methods,
including
physical
adsorption,
chemical
bonding,
copolymerization.
The
advantages,
limitations,
potential
improvements
each
method
explored,
along
an
analysis
interactions
between
matrix,
how
influence
microspheres,
uniformity,
stability,
durability.
Finally,
discusses
future
perspectives
on
development
highlighting
advancement
novel
materials,
innovations
technology,
exploration
new
areas.