Materials Today Bio,
Journal Year:
2024,
Volume and Issue:
27, P. 101153 - 101153
Published: July 14, 2024
The
advantage
of
low-temperature
forming
through
direct
ink
writing
(DIW)
3D
printing
is
becoming
a
strategy
for
the
construction
innovative
drug
delivery
systems
(DDSs).
Optimization
complex
formulation,
including
factors
such
as
ink,
presence
solvents,
and
potential
low
mechanical
strength,
are
challenges
during
process
development.
This
study
presents
an
application
DIW
to
fabricate
water-soluble,
high-dose,
sustained-release
DDSs.
Utilizing
poorly
compressible
metformin
hydrochloride
model
drug,
core-shell
system
was
developed,
featuring
core
composed
96
%
powder
4
binder,
with
shell
structure
serving
drug-release
barrier.
design
aligns
profile
traditional
processes,
achieving
25.8
reduction
in
volume
enhanced
strength.
facilitates
sustained
release
high-dose
water-soluble
formulations
over
12
h,
potentially
improving
patient
compliance
by
reducing
formulation
size.
Process
optimization
multi-batch
flexibility
were
also
explored
this
study.
Our
findings
provide
valuable
reference
development
DDSs
3D-printed
drugs.
Wiley Interdisciplinary Reviews Nanomedicine and Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
16(3)
Published: May 1, 2024
Abstract
The
shapes
of
micro‐
and
nano‐products
have
profound
influences
on
their
functional
performances,
which
has
not
received
sufficient
attention
during
the
past
several
decades.
Electrohydrodynamic
atomization
(EHDA)
techniques,
mainly
include
electrospinning
electrospraying,
are
facile
in
manipulate
products'
shapes.
In
this
review,
generated
using
EHDA
for
modifying
drug
release
profiles
reviewed.
These
linear
nanofibers,
round
micro‐/nano‐particles,
beads‐on‐a‐string
hybrids.
They
can
be
further
divided
into
different
kinds
sub‐shapes,
explored
providing
desired
pulsatile
release,
sustained
biphasic
delayed
pH‐sensitive
release.
Additionally,
resulted
from
organizations
electrospun
nanofibers
discussed
delivery,
inner
structures
considered
together
developing
novel
delivery
systems.
future,
related
shape–performance
relationships
at
nanoscale,
besides
size,
structure
structure–performance
relationships,
would
play
important
roles
promoting
developments
field.
This
article
is
categorized
under:
Therapeutic
Approaches
Drug
Discovery
>
Emerging
Technologies
Biomolecules,
Journal Year:
2024,
Volume and Issue:
14(7), P. 789 - 789
Published: July 3, 2024
Alginate
is
a
natural
polymer
with
good
biocompatible
properties
and
potential
polymeric
material
for
the
sustainable
development
replacement
of
petroleum
derivatives.
However,
non-spinnability
pure
alginate
solutions
has
hindered
expansion
applications.
With
continuous
electrospinning
technology,
synthetic
polymers,
such
as
PEO
PVA,
are
used
co-spinning
agents
to
increase
spinnability
alginate.
Moreover,
coaxial,
parallel
Janus,
tertiary
other
diverse
novel
electrospun
fiber
structures
prepared
by
multi-fluid
have
found
new
breakthrough
problem
poor
spinning
polymers.
Meanwhile,
effectively
achieve
multiple
release
modes
drugs.
The
powerful
combination
electrostatic
widely
in
many
biomedical
fields,
tissue
engineering,
regenerative
bioscaffolds,
drug
delivery,
research
fever
continues
climb.
This
particularly
true
controlled
delivery
aspect
review
provides
brief
overview
alginate,
introduces
advances
spinning,
highlights
progress
alginate-based
nanofibers
achieving
various
modes,
pulsed
release,
sustained
biphasic
responsive
targeted
release.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(7), P. 646 - 646
Published: April 8, 2024
Dressings
with
multiple
functional
performances
(such
as
hemostasis,
promoting
regeneration,
analgesia,
and
anti-inflammatory
effects)
are
highly
desired
in
orthopedic
surgery.
Herein,
several
new
kinds
of
medicated
nanofibers
loaded
active
ingredients
for
providing
functions
were
prepared
using
the
modified
coaxial
electrospinning
processes.
With
an
electrospinnable
solution
composed
polycaprolactone
fenoprofen
core
working
fluid,
different
types
unspinnable
fluids
(including
pure
solvent,
nanosuspension
containing
tranexamic
acid
hydroxyapatite,
dilute
polymeric
comprising
acid,
polyvinylpyrrolidone)
explored
to
implement
processes
creating
multifunctional
nanofibers.
Their
morphologies
inner
structures
assessed
through
scanning
transmission
electron
microscopes,
which
all
showed
a
linear
format
without
discerned
beads
or
spindles
diameter
smaller
than
1.0
μm,
some
them
had
incomplete
core–shell
nanostructures,
represented
by
symbol
@.
Additionally,
strange
details
about
sheaths’
topographies
observed,
included
cracks,
adhesions,
embedded
nanoparticles.
XRD
FTIR
verified
that
drugs
presented
amorphous
state,
resulted
from
fine
compatibility
among
involved
components.
All
samples
demonstrated
have
hydrophilic
property
exhibited
lower
water
contact
angle
40°
300
ms.
In
vitro
dissolution
tests
indicated
was
released
sustained
manner
over
6
h
typical
Fickian
diffusion
mechanism.
Hemostatic
intentional
distribution
on
shell
sections
able
endow
rapid
hemostatic
effect
within
60
s.
Regenerative Biomaterials,
Journal Year:
2024,
Volume and Issue:
11
Published: Jan. 1, 2024
Abstract
A
dressing
patch
made
of
radially
oriented
poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
(PHBV)
nanofibers
was
successfully
manufactured
with
a
modified
electrospinning
strategy.
The
as-electrospun
PHBV
nanofiber
exhibited
uniform
and
bead-free
nanofibrous
morphology
innovative
arrangement,
which
demonstrated
to
possess
obviously
improved
mechanical
property,
increased
surface
hydrophilicity
enhanced
biological
properties
compared
the
control
traditionally
randomly
pattern.
Interestingly,
it
found
that
pattern
could
induce
cell
migration
from
periphery
center
along
in
rapid
manner.
To
further
improve
biofunction
patch,
berberine
(Beri,
an
isoquinoline
alkaloid)
two
different
concentrations
were
encapsulated
into
during
electrospinning,
present
sustained
drug
release
behavior
for
nearly
one
month.
Importantly,
addition
Beri
impart
excellent
anti-inflammatory
property
by
significantly
inhibiting
secretion
pro-inflammatory
factors
M1
macrophages,
also
showed
additive
influence
on
promoting
proliferation
human
dermal
fibroblasts
(HDFs),
as
well
growth
E.
coli,
S.
aureus
C.
albicans,
Beri-free
patch.
In
animal
studies,
electrospun
loading
high
content
accelerate
healing
process
diabetic
mouse
full-thickness
skin
wound
shortened
time
(100%
closure
rate
after
18
days’
treatment)
quality
(improved
collagen
deposition,
re-epithelialization
neovascularization
hair
follicles).
all,
this
study
reported
therapeutic
strategy
integrating
physical
cues
multiple
effective
treatment
hard-to-heal
wounds.
Frontiers in Bioengineering and Biotechnology,
Journal Year:
2024,
Volume and Issue:
12
Published: June 13, 2024
Combination
therapy
with
oral
administration
of
several
active
ingredients
is
a
popular
clinical
treatment
for
cancer.
However,
the
traditional
method
has
poor
convenience,
less
safety,
and
low
efficiency
patients.
The
combination
pharmaceutical
techniques
advanced
material
conversion
methods
can
provide
new
solutions
to
this
issue.
In
research,
kind
hybrid
film
was
created
via
coaxial
electrospraying,
followed
by
casting
process.
films
were
composed
Reglan
5-fluorouracil
(5-FU)-loaded
cellulose
acetate
(CA)
core-shell
particles
in
polyvinylpyrrolidone
(PVP)
matrix.
Microscopic
observations
these
demonstrated
solid
cross
section
loaded
particles.
X-ray
diffraction
Fourier-transform
infrared
tests
verified
that
5-FU
showed
amorphous
states
fine
compatibilities
polymeric
matrices,
i.e.,
PVP
CA,
respectively.
vitro
dissolution
indicated
able
desired
asynchronous
dual-drug
delivery,
fast
release
Reglan,
sustained
5-FU.
controlled
mechanisms
shown
be
an
erosion
mechanism
typical
Fickian
diffusion
protocols
reported
herein
pioneer
approach
fabricating
biomaterials
multiple
drugs,
each
its
own
behavior,
synergistic
cancer
treatment.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(17), P. 9524 - 9524
Published: Sept. 1, 2024
Core–shell
nanostructures
are
powerful
platforms
for
the
development
of
novel
nanoscale
drug
delivery
systems
with
sustained
release
profiles.
Coaxial
electrospinning
is
facile
and
convenient
creating
medicated
core–shell
elaborate
designs
which
sustained-release
behaviors
molecules
can
be
intentionally
adjusted.
With
resveratrol
(RES)
as
a
model
poorly
water-soluble
cellulose
acetate
(CA)
PVP
polymeric
carriers,
brand-new
electrospun
nanostructure
was
fabricated
in
this
study.
The
guest
RES
host
CA
were
designed
to
have
reverse
gradient
distribution
within
nanostructures.
Scanning
electron
microscope
transmission
evaluations
verified
that
these
nanofibers
had
linear
morphologies,
without
beads
or
spindles,
an
obvious
double-chamber
structure.
X-ray
diffraction
patterns
Fourier
transform
infrared
spectroscopic
results
indicated
involved
components
highly
compatible
presented
amorphous
molecular
state.
In
vitro
dissolution
tests
new
structures
able
prevent
initial
burst
release,
extend
continuous-release
time
period,
reduce
negative
tailing-off
effect,
thus
ensuring
better
profile
than
traditional
blended
drug-loaded
nanofibers.
mechanism
underlying
influence
structure
RES/CA
on
proposed.
Based
proof-of-concept
demonstration,
series
advanced
functional
nanomaterials
similarly
developed
based
distributions
multi-chamber
