Plant-mimicking biodegradable nanofibers for enhanced PM capturing and AI-assisted high-accuracy respiratory diagnosis
Separation and Purification Technology,
Год журнала:
2025,
Номер
361, С. 131459 - 131459
Опубликована: Янв. 5, 2025
Язык: Английский
Large-Scale Fabrication of 3D gradient hierarchical fibrous filter materials with Micro-Submicro-Nanofibers for efficient and Long-Duration air filtration
Separation and Purification Technology,
Год журнала:
2025,
Номер
362, С. 131867 - 131867
Опубликована: Янв. 30, 2025
Язык: Английский
High-efficiency respiratory protection and intelligent monitoring by nanopatterning of electroactive poly(lactic acid) nanofibers
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
unknown, С. 138769 - 138769
Опубликована: Дек. 1, 2024
Язык: Английский
Large-Scale Fabrication of 3d Gradient Hierarchical Fibrous Filter Materials with Micro-Submicro-Nanofibers for Efficient and Long-Duration Air Filtration
Опубликована: Янв. 1, 2025
Atmospheric
particulate
matter
pollution
poses
significant
threats
to
human
health
and
the
environment.
Submicron-fiber
filtration
materials
have
received
widespread
attention
owing
their
ultrafine
dimensions,
high
porosity,
precise
interception
capabilities.
However,
low
dust-holding
capacity
rapid
resistance
increase
during
use
remain
challenges.
In
this
study,
a
modular
helical
linear
free-surface
multi-jet
electrospinning
device
was
employed
prepare
multi-scale
fibers
(80–800
nm)
combine
them
with
melt-blown
non-woven
fabrics
in
single-step
process,
creating
three-dimensional
gradient
hierarchical
material
(3D-MNFG).
The
3D-MNFG
exhibits
layered
structure
pore
sizes
transitioning
from
18–32
μm
0.5–2.4
μm,
0.3–0.4
μm.
Under
an
initial
pressure
decrease
of
90
±
3
Pa,
it
achieves
efficiency
(97%)
quality
factor
0.038
Pa−1,
even
after
electrostatic
treatment.
Furthermore,
novel
overcomes
limitations
existing
submicron-fiber
membranes
by
offering
dust
holding
22.02
g/m2.
dynamic
tests
at
air
velocities
(28
m/s),
its
increased
gradually,
reaching
lifespan
limit
(450
Pa)
29
d,
significantly
outperforming
materials,
which
saturated
within
8
d.
Simulations
validate
synergistic
mechanism
micro/nano-fibers.
fabricated
shows
promising
potential
for
industrial
production
commercial
applications.
Язык: Английский
Impact of Stretching Conditions on Microstructure and Filtration Efficiency of ePTFE Membranes
Chemical Engineering Journal Advances,
Год журнала:
2025,
Номер
unknown, С. 100740 - 100740
Опубликована: Март 1, 2025
Язык: Английский
Fully-biodegradable and self-powered intelligent filter assembled by fibrous cellulose and MOF-functionalized poly(lactic acid) core–shell nanofibers for active PM capturing and passive respiratory sensing
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 144118 - 144118
Опубликована: Май 1, 2025
Язык: Английский
Neuroprotective effects of biogenic silver nanoparticles in Parkinson's disease: In vitro and in vivo study
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
unknown, С. 138236 - 138236
Опубликована: Дек. 1, 2024
The
study
aimed
to
develop
immunomodulatory
silver
nanoparticles
(CHT-PCT/AgNPs)
using
a
green
chemistry
approach
with
Umbilicaria
esculenta
(U.E.)
extract
protect
neurons
from
Parkinson's
disease.
synthesized
CHT-PCT/AgNPs
measured
88.2
±
33.7
nm
in
size,
zeta
potential
of
approximately
24.5
1.9
mV.
In
vitro
assays
demonstrated
that
the
green-synthesized
exhibited
greater
biocompatibility
and
antioxidant
properties
compared
chemically
AgNPs.
MTT
assay
indicated
were
cytocompatible
up
50
μg/mL,
but
higher
concentrations
resulted
significant
toxicity.
DPPH
revealed
dose-dependent
activity,
although
it
was
lower
than
ascorbic
acid.
animal
studies
MPTP-induced
Parkinsonism,
count
tyrosine
hydroxylase
(TH)-positive
cells
varied
across
groups,
healthy
controls
showing
145.3
11.0
negative
control
group
only
21.6
4.1.
Additionally,
number
DRD1-positive
also
reflected
similar
trend.
These
findings
suggest
may
serve
as
neuroprotective
agent
mitigate
Язык: Английский