Langmuir,
Journal Year:
2024,
Volume and Issue:
40(15), P. 7982 - 7991
Published: April 3, 2024
In
this
study,
we
explored
an
innovative
application
of
heat-assisted
solution
electrospinning,
a
technique
that
significantly
advances
the
control
phase
separation
in
polystyrene
(PS)
fibers.
Our
experimental
approach
involved
use
direct
heating
and
convection
air
sheath
applied
through
coaxial
needle,
focusing
on
solvents
with
varying
vapor
pressures.
This
method
enabled
detailed
investigation
into
how
solvent
evaporation
rates
affect
morphology
electrospun
SEM
AFM
measurements
revealed
heated
offered
precise
over
fiber
morphology,
influencing
both
surface
internal
structure
Additionally,
observed
notable
changes
diameter,
indicating
electrospinning
can
be
effectively
utilized
to
tailor
dimensions
according
specific
requirements.
Moreover,
our
research
demonstrated
critical
role
properties,
particularly
pressure,
determining
final
characteristics
By
comparing
fibers
produced
different
solvents,
gained
insights
complex
interplay
between
dynamics
heat
formation.
The
implications
these
findings
are
far-reaching,
offering
new
possibilities
for
fabrication
nanofibers
customized
properties.
Furthermore,
could
have
profound
impacts
various
applications,
from
biomedical
environmental,
where
crucial.
study
not
only
contributes
understanding
but
also
opens
avenues
further
optimization
properties
diverse
industrial
scientific
applications.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(17), P. 9556 - 9556
Published: Sept. 3, 2024
Personal
protective
equipment
(PPE)
has
attracted
more
attention
since
the
outbreak
of
epidemic
in
2019.
Advanced
nano
techniques,
such
as
electrospinning,
can
provide
new
routes
for
developing
novel
PPE.
However,
electrospun
antibacterial
PPE
is
not
easily
obtained.
Fibers
loaded
with
photosensitizers
prepared
using
single-fluid
electrospinning
have
a
relatively
low
utilization
rate
due
to
influence
embedding
and
their
inadequate
mechanical
properties.
For
this
study,
monolithic
nanofibers
core–shell
were
compared.
Monolithic
F1
fibers
comprising
polyethylene
oxide
(PEO),
poly(vinyl
alcohol-co-ethylene)
(PVA-co-PE),
photo-antibacterial
agent
vitamin
K3
(VK3)
created
blending
process.
Core–shell
F2
coaxial
which
extensible
material
PEO
was
set
core
section,
composite
consisting
PEO,
PVA-co-PE,
VK3
shell
section.
Both
designed
structural
properties
had
an
average
diameter
approximately
1.0
μm,
determined
scanning
electron
microscopy
transmission
microscopy.
amorphously
dispersed
within
polymeric
matrices
compatible
manner,
revealed
X-ray
diffraction
Fourier
transform
infrared
spectroscopy.
higher
tensile
strength
2.917
±
0.091
MPa,
whereas
longer
elongation
break
194.567
0.091%.
Photoreaction
tests
showed
that,
adjustment,
could
produce
0.222
μmol/L
·OH
upon
illumination.
slightly
better
performance
than
fibers,
inhibition
zones
1.361
0.012
cm
1.296
0.022
E.
coli
S.
aureus,
respectively,
but
less
VK3.
The
intentional
tailoring
components
compositions
nanostructures
improve
process–structure–performance
relationship
potential
sunlight-activated
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 14, 2025
Abstract
Severe
bone
and
cartilage
defects
caused
by
trauma
are
challenging
to
treat,
often
resulting
in
poor
outcomes.
An
endogenous
electric
field
(EnEF)
is
crucial
for
regeneration,
making
electrical
materials
a
promising
therapy.
This
review
provides
comprehensive
overview
of
the
role
bioelectric
signals
cells,
alongside
recent
advancements
biomaterials,
with
particular
emphasis
on
nanogenerators,
piezoelectric
materials,
triboelectric
scaffolds,
zwitterionic
hydrogels.
It
further
investigates
impact
these
biomaterials
as
well
applications
both
exogenous
stimulation
(ES)
mechanisms
underlying
ES‐induced
cellular
molecular
responses.
Finally,
underscores
future
directions
ES
systems
tissue
engineering,
emphasizing
critical
importance
integrating
structural
integrity,
mechanical
properties,
signal
delivery
into
intelligent
implantable
scaffolds.
Journal of Industrial Textiles,
Journal Year:
2024,
Volume and Issue:
54
Published: Jan. 1, 2024
Tailoring
the
surface
morphology
of
nanofibers
determines
its
application
to
an
excessive
extent.
At
present,
different
structures
have
been
produced
such
as
wrinkled,
grooved,
porous,
rough,
etc.
Amongst
them,
wrinkled
attracted
attention
researchers
due
their
exceptional
structure
and
properties
coarse
surface,
high
energy,
specific
area,
excellent
mechanical
properties,
good
piezoelectricity
resulting
in
serving
successfully
various
fields
energy
harvesting,
air
filtration,
water
gas
sensors,
biomedical
applications,
fuel
cells,
storage.
Therefore,
this
work
aims
spotlight
importance
structure,
methods,
strategies
used
for
producing
electrospun
materials.
This
review
focuses
on
materials,
preparation
applications
nanofibers.
can
serve
essential
reference
formation
prepared
via
electrospinning.
Long-term
exposure
to
cold
conditions
can
cause
damage
the
body,
which
makes
prevention
equipment
urgently
needed.
However,
most
commonly
used
fibrous
warmth
retention
materials
have
drawbacks
of
heavy
weight,
poor
mechanical
properties,
flammability,
and
inefficient
thermal
insulating
performance.
Herein,
we
propose
a
simple
feasible
strategy
prepare
nanofiber/aerogel
microfiber
sponges
(NAMS)
with
dual-network
structures
for
by
direct
electrospinning.
The
aerogel
fibers
are
prepared
regulating
phase
separation
behavior
jet,
while
flexible
nanofibers
introduced
between
construct
in
sponge.
obtained
NAMS
is
lightweight
(3.44
mg
cm-3)
exhibits
robust
properties
(almost
no
plastic
deformation
after
enduring
500
stretching
cycles
1000
compression
cycles),
efficient
(thermal
conductivity
23.92
mW
m-1
K-1).
Furthermore,
introduction
flame
retardant
enables
possess
remarkable
resistance,
limiting
oxygen
index
28.7%.
development
offers
promising
avenue
future
advancements
ultralight,
flame-retardant,
high-efficiency
materials.
Macromolecular Chemistry and Physics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
Polymeric
fibers
with
multifunctional
properties
and
controlled
porosity
serve
as
an
ideal
platform
for
creating
adaptive
scaffolds
in
regenerative
tissue
engineering
wearable
sensors
biomedical
applications.
The
phase
separation
polymeric
blends
solutions
has
been
extensively
studied
using
Flory–Huggins
polymer–solvent
interaction
parameter,
which
is
considered
a
crucial
factor
achieving
desired
morphologies.
A
detailed
outlook
of
microstructural
insight
into
the
rich
lean
phases
under
external
stimuli,
such
electric
field,
discussed
this
paper.
effects
electrospinning
parameters
on
geometry
physical
nanofibers
are
explored
to
understand
role
interactions
ternary
system
polymer–solvent–filler,
contribute
enthalpy
mixing
during
electrospun
process.
presence
immiscible
filler
polymer
solvent
systems
leads
hierarchical
nanoscale
segregation,
where
dimensions
physicochemical
fillers
play
role.
well‐defined
structure–property
relationship
established
composite
fibers,
showing
that
these
can
be
designed
exhibit
specific
mechanical,
chemical,
biological
by
controlling
dynamics
within
polymer–filler–solvent
system,
isotherm
serves
theoretical
framework.