AATCC Journal of Research,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: Jan. 1, 2025
In
this
study,
the
characteristic
properties
and
biological
activities
of
electrospun
nanofibers
made
polymers
including
chitosan
(CS),
polyethylene
glycol
(PEG),
polylactic
acid
(PLA)
loaded
with
15%
a
natural
anti-inflammatory
analgesic
agent,
ethyl
p-methoxycinnamate
(EPMC),
were
reported.
The
morphological
chemical
characteristics
fibers
analyzed
using
scanning
electron
microscope
Fourier
transform
infrared
spectra,
respectively.
mechanical
hydrophilicity
also
investigated.
Research
on
release
bioactive
compound
EPMC
from
in
phosphate-buffered
saline
medium
showed
that
about
70%
was
released
after
24
h.
significant
effect
evaluated
via
inhibition
nitric
oxide
production
RAW264.7
cells
stimulated
by
lipopolysaccharide
an
IC
50
value
41.05
±
1.75
µg/mL.
Besides,
exhibited
anti-bacterial
activity
proved
to
be
safe
both
vitro
vivo.
results
suggested
CS/PEG/PLA
may
potential
candidate
for
developing
biomedical
products
related
inflammation.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(26), P. 16895 - 16904
Published: June 21, 2024
Particulate
matter
(PM)
pollution
has
posed
a
serious
threat
to
public
health,
especially
the
global
spread
of
infectious
diseases.
Most
existing
air
filtration
materials
are
still
subjected
compromise
between
removal
efficiency
and
permeability
on
account
their
stacking
bulk
structures.
Here,
we
proposed
self-polarized
assembly
technique
create
two-dimensional
piezoelectric
nanofibrous
webs
(PNWs)
directly
from
polymer
solutions.
The
strategy
involves
droplets
deforming
into
ultrathin
liquid
films
by
inertial
flow,
evolving
web-like
architectures
instantaneous
phase
inversion,
enhanced
dipole
alignment
cluster
electrostatics.
assembled
continuous
exhibit
integrated
structural
superiorities
nanoscale
diameters
(∼20
nm)
internal
fibers
through
pores
(∼100
nm).
Combined
with
wind-driven
electrostatic
property
derived
piezoelectricity,
PNW
filter
shows
high
(99.48%)
low
resistance
(34
Pa)
against
PM0.3
as
well
transparency
(84%),
superlight
weight
(0.7
g
m–2),
long-term
stable
service
life.
This
creation
such
versatile
nanomaterials
may
offer
insight
design
upgrading
high-performance
filters.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(6)
Published: May 27, 2024
Abstract
Air
pollution
has
become
a
significant
global
issue
due
to
its
detrimental
environmental
and
human
health
effects.
In
this
study,
novel
approach
was
taken
address
these
challenges
by
developing
recycled
polyethylene
terephthalate
(rPET)
nano-coated
silk
technical
cloth
embedded
with
green-synthesized
silver
nanoparticles
(AgNPs)
using
solution
electrospinning
technique.
The
filtration
performance
of
the
developed
material
assessed
through
particle
efficiency
(PFE)
tests,
while
differential
pressure
(DP)
tests
were
conducted
evaluate
drop.
SEM,
FTIR,
tensile,
antibacterial,
radiative
heat
barrier
performance,
moisture
management
properties
samples
also
performed.
Maximum
96.58%
observed
corresponding
low
pressures
29.1
Pa/cm
2
;
maximum
tensile
force
elongation%
157.47
N
15.32%,
respectively
samples.
FTIR
analysis
confirmed
presence
silk,
rPET,
sodium
alginate,
AgNPs
in
sample.
Antibacterial
assays
demonstrated
inhibition
against
Staphylococcus
aureus
(
S.
)
Escherichia
coli
E.
).
Moisture
property
revealed
water
penetration
resistance
testing
showed
good
performance.
These
results
make
promising
potential
as
an
advanced
air
filter.
Graphical
Polymers,
Journal Year:
2024,
Volume and Issue:
16(7), P. 889 - 889
Published: March 24, 2024
The
development
of
high-performance
filtration
materials
is
essential
for
the
effective
removal
airborne
particles,
and
metal–organic
frameworks
(MOFs)
anchored
to
organic
polymer
matrices
are
considered
be
one
most
promising
porous
adsorbents
air
pollutants.
Nowadays,
filters
generally
based
on
synthetic
fiber
polymers
derived
from
petroleum
residues
have
limited
functionality,
so
use
MOFs
in
combination
with
nanofiber
has
received
a
lot
attention.
Here,
conjugated
electrostatic
spinning
method
demonstrated
one-step
preparation
poly(lactic
acid)
(PLA)
nanofibrous
membranes
bimodal
diameter
distribution
anchoring
Zeolitic
Imidazolate
Framework-8
(ZIF-8)
by
introduction
TiO2
situ
generation
construct
favorable
multiscale
fibers
rough
structures.
prepared
PLA/TZ
maintained
good
PM2.5
capture
efficiency
99.97%,
96.43%
PM0.3,
pressure
drop
96.0
Pa,
highest
quality
factor
being
0.08449
Pa−1.
Additionally,
ZIF-8
was
uniformly
generated
surface
PLA
nanofibers,
obtaining
roughened
structure
larger
specific
area.
An
enhanced
retention
effect
interactions,
as
well
active
free
radicals,
can
deep
inactivation
bacteria.
Compared
unmodified
membrane,
antibacterial
characteristics
induced
photocatalysis
Zn2+
release,
excellent
bactericidal
effects
against
S.
aureus
E.
coli.
Overall,
this
work
may
provide
approach
efficient
biomass-based
antimicrobial
properties.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 30, 2024
Abstract
Depleting
fossil
energy
sources
and
conventional
polluting
power
generation
pose
a
threat
to
sustainable
development.
Hydroelectricity
from
ubiquitous
spontaneous
phase
transitions
between
liquid
gaseous
water
has
been
considered
promising
strategy
for
mitigating
the
crisis.
Fibrous
materials
with
unique
flexibility,
processability,
multifunctionality,
practicability
have
widely
applied
fibrous
materials-based
hydroelectricity
(FHG).
In
this
review,
mechanisms,
design
principles,
electricity
enhancement
factors
of
FHG
are
first
introduced.
Then,
fabrication
strategies
characteristics
varied
constructions
including
1D
fiber,
yarn,
2D
fabric,
membrane,
3D
framework,
gel
demonstrated.
Afterward,
advanced
functions
during
harvesting,
proton
dissociation,
ion
separation,
charge
accumulation
processes
analyzed
in
detail.
Moreover,
potential
applications
supply,
storage,
electrical
sensor,
information
expression
also
discussed.
Finally,
some
existing
challenges
prospects
future
development
sincerely
proposed.
