Plant-mimicking biodegradable nanofibers for enhanced PM capturing and AI-assisted high-accuracy respiratory diagnosis
Xinjian He,
No information about this author
Yuyang Chen,
No information about this author
Haoran Sun
No information about this author
et al.
Separation and Purification Technology,
Journal Year:
2025,
Volume and Issue:
361, P. 131459 - 131459
Published: Jan. 5, 2025
Language: Английский
Large-Scale Fabrication of 3D gradient hierarchical fibrous filter materials with Micro-Submicro-Nanofibers for efficient and Long-Duration air filtration
Xu Zhao,
No information about this author
Yanru Bai,
No information about this author
Gaohui Fan
No information about this author
et al.
Separation and Purification Technology,
Journal Year:
2025,
Volume and Issue:
362, P. 131867 - 131867
Published: Jan. 30, 2025
Language: Английский
High-efficiency respiratory protection and intelligent monitoring by nanopatterning of electroactive poly(lactic acid) nanofibers
Liang Jiang,
No information about this author
Long Zhang,
No information about this author
Xinjian He
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
unknown, P. 138769 - 138769
Published: Dec. 1, 2024
Language: Английский
Large-Scale Fabrication of 3d Gradient Hierarchical Fibrous Filter Materials with Micro-Submicro-Nanofibers for Efficient and Long-Duration Air Filtration
Xu Zhao,
No information about this author
Yanru Bai,
No information about this author
Gaohui Fan
No information about this author
et al.
Published: Jan. 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.
Language: Английский
Impact of Stretching Conditions on Microstructure and Filtration Efficiency of ePTFE Membranes
Yogita M. Shirke,
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Dae-Hwan Kang,
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Gyu Dong Lee
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et al.
Chemical Engineering Journal Advances,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100740 - 100740
Published: March 1, 2025
Language: 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
Na Gao,
No information about this author
Yifan Zhang,
No information about this author
Ruizi Chen
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
unknown, P. 144118 - 144118
Published: May 1, 2025
Language: Английский
Neuroprotective effects of biogenic silver nanoparticles in Parkinson's disease: In vitro and in vivo study
Siren Zhao,
No information about this author
Jilun Zhang,
No information about this author
Jianbin Zhang
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
unknown, P. 138236 - 138236
Published: Dec. 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
Language: Английский