Exploring sustainable adsorbents to mitigate micro-/nano-plastic contamination: perspectives on electrospun fibrous constructs, biochar, and aerogels
Environmental Science Advances,
Год журнала:
2024,
Номер
3(9), С. 1217 - 1243
Опубликована: Янв. 1, 2024
A
schematic
representation
showing
the
exploration
of
limitations
conventional
MNP
removal
techniques,
highlighting
potential
biochar,
electrospun
fibrous
constructs,
and
aerogels
as
sustainable
effective
solutions
for
removal.
Язык: Английский
Fabrication of 3D Polycaprolactone Macrostructures by 3D Electrospinning
ACS Biomaterials Science & Engineering,
Год журнала:
2024,
Номер
10(8), С. 5336 - 5351
Опубликована: Май 22, 2024
Building
3D
electrospun
macrostructures
and
monitoring
the
biological
activities
inside
them
are
challenging.
In
this
study,
fibrous
polycaprolactone
(PCL)
were
successfully
fabricated
using
in-house
electrospinning.
The
main
factors
supporting
self-assembled
nanofiber
fabrication
H3PO4
additives,
flow
rate,
initial
distance.
effects
of
solution
concentration,
solvent,
distance,
voltage,
nozzle
speed
on
examined.
optimal
conditions
4
mL/h
cm
nozzle–collector
14
kV
1
mm/s
provided
a
rapid
buildup
cylinder
with
6
diameter,
reaching
final
height
16.18
±
2.58
mm
wall
thickness
3.98
1.01
one
perimeter
uniform
diameter
across
different
sections
(1.40
1.10
μm
average).
Oxygen
plasma
treatment
30–50
W
for
5
min
significantly
improved
hydrophilicity
PCL
macrostructures,
proving
suitable
scaffold
in
vitro
cell
cultures.
Additionally,
images
obtained
by
synchrotron
radiation
X-ray
tomographic
microscopy
(SRXTM)
presented
penetration
growth
within
scaffolds.
This
breakthrough
electrospinning
surpasses
current
limitations,
opening
new
possibilities
various
fields.
Язык: Английский
Electrospun Membranes Loaded with Melanin Derived from Pecan Nutshell (Carya illinoinensis) Residues for Skin-Care Applications
Membranes,
Год журнала:
2025,
Номер
15(2), С. 44 - 44
Опубликована: Фев. 3, 2025
This
study
investigates
the
incorporation
of
melanin
extracted
from
pecan
nutshell
residues
into
a
polyacrylonitrile
(PAN)
matrix
during
electrospinning
microfiber
membranes.
Melanin
concentrations
0.5,
2.0,
and
5.0%
w/w
were
incorporated
to
enhance
physicochemical
biological
properties
fibers.
The
melanin-loaded
PAN
fibers
exhibited
significant
antioxidant
activity
against
DPPH
ABTS
radicals,
with
scavenging
rates
ranging
46.58%
62.77%
41.02%
82.36%,
respectively,
while
unmodified
showed
no
activity.
Furthermore,
membranes
demonstrated
antimicrobial
effects.
also
an
important
enzyme
inhibition
collagenase
(37%),
hyaluronidase
(22%),
tyrosinase
(36%),
elastase
(33%).
Molecular
docking
studies
reveal
different
potential
amino
acids
active
sites
aging
enzymes
that
interact
strongly
pigment,
particularly
collagenase,
followed
by
hyaluronidase,
tyrosinase,
elastase.
These
results
suggest
novel
possess
promising
bioactive
applications
in
skin-care
applications.
Язык: Английский
Biobased Polymer Composite Nano/Microfibrous Filtering Materials for Efficient Aerosol Filtration
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 116515 - 116515
Опубликована: Апрель 1, 2025
Язык: Английский
Novel Estimation of Nanofiber Diameter from SEM Images Using Deep Feature Embeddings and Machine Learning Models
Aan Priyanto,
Eka Sentia Ayu Listari,
Kamilah Nada Maisa
и другие.
Advanced Theory and Simulations,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Abstract
Accurate
nanofiber
diameter
estimation
is
crucial
for
optimizing
their
functionality
in
materials
science.
Traditional
measurement
methods
from
Scanning
Electron
Microscopy
(SEM)
images
are
often
labor‐intensive
and
subjective.
This
study
proposes
a
machine
learning‐based
approach
using
deep
feature
embeddings
to
predict
average
diameters
directly
SEM
images.
Eight
learning
models—Linear
Regression
(LR),
k‐Nearest
Neighbors
(kNN),
Decision
Tree
(DT),
Random
Forest
(RF),
Support
Vector
Machine
(SVM),
Neural
Network
(NN),
Gradient
Boosting
(GB),
AdaBoost—are
evaluated
5‐fold
10‐fold
cross‐validation.
Performance
assessed
via
Mean
Squared
Error
(MSE),
Root
(RMSE),
Absolute
(MAE),
Percentage
(MAPE),
R
2
.
The
kNN
model
consistently
outperformed
others
across
three
datasets:
smooth
nanofibers,
beaded
combined
set.
It
achieves
the
lowest
error
metrics
highest
(0.950)
while
demonstrating
strong
generalization
morphologies.
among
first
integrate
with
direct
prediction,
providing
reliable
alternative
traditional
methods.
Язык: Английский
Effect of different ratio KOH treatment on neem bark in the formation of activated carbon: Adsorption characteristics Study
Surfaces and Interfaces,
Год журнала:
2024,
Номер
unknown, С. 105476 - 105476
Опубликована: Ноя. 1, 2024
Язык: Английский
The advanced electrospinning and 3D platform for designing the personal protective masks
Journal of the Textile Institute,
Год журнала:
2024,
Номер
unknown, С. 1 - 23
Опубликована: Июнь 18, 2024
This
study
focuses
on
the
fabrication
and
design
of
personal
protective
masks
using
electrospinning
technology.
The
addresses
importance
in
context
COVID-19
or
n-CoV2019
outbreak
healthcare
settings.
Electrospinning,
a
method
for
producing
ultra-thin,
flexible,
wearable
nanofibers,
is
explored
as
basis
creating
these
masks.
aims
to
investigate
potential
electrospun
enhanced
performance
protection.
Through
comprehensive
review
past
research
studies,
contribute
knowledge
base
future
scholars.
key
focus
areas
include
technology,
selection
materials,
process
Additionally,
discusses
characteristics
each
layer
mask,
including
super
hydro
performance,
filter
air
purity
antibacterial
performance.
also
explores
application
smart
devices,
such
disposable
with
respiration
sensors,
surgical
features,
3D-printed
highly
polluted
areas.
Overall,
this
provides
valuable
insights
into
development
Язык: Английский
Plasma Carbonization of Sustainable Lignin Fiber‐Derived Papers for Supercapacitor Electrodes
Macromolecular Materials and Engineering,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 18, 2024
Abstract
The
majority
of
carbon
materials
on
the
market
are
produced
from
polyacrylonitrile
precursor
fibers
using
high‐temperature
oven
processes.
Despite
approaches
for
green
fiber
precursors,
current
stabilization
and
carbonization
processes
require
large
amounts
energy
render
costly
environmentally
not
sustainable.
Here,
a
plasma
treatment
is
employed
papers
made
lignin/polyvinylpyrrolidone
fibers.
process
provides
within
timeframe
few
seconds,
while
degrees
porosity,
conductivity,
hydrophobicity
can
be
tuned.
It
shown
that
properties
these
carbonized
suitable
application
as
supercapacitor
electrodes
with
capacitances
in
range
40
mF
g
−1
very
good
cycling
stability
dropping
by
less
than
20%
over
4000
cycles.
Язык: Английский
Modified with Boron nitride nanoparticles on polyamide fabrics
Proceedings of the Southwest State University Series Engineering and Technologies,
Год журнала:
2024,
Номер
14(4), С. 103 - 114
Опубликована: Дек. 13, 2024
Purpose
.
Investigation
of
the
characteristics
polyamide
fabric
modified
with
Boron
nitride
nanoparticles
and
evaluation
its
filtration
properties.
Methods
The
Raman
scattering
spectra
were
measured
using
a
scanning
microspectrometer
OmegaScope
AIST-NT
in
ZXXZ̅
geometry
(λ
=
532
nm,
W
25mW)
spectral
resolution
3
cm
-1
crystalline
structure
was
studied
X-ray
diffraction
on
GBC
EMMA
diffractometer
(Bragg-Brentano
scheme,
A
0.154
step
size
0.02°).
properties
investigated
an
SF-2000
spectrophotometer
range
450-750
nm.
modeling
interaction
between
inorganic
solution
molecules
carried
out
Materials
Studio
2020
software
package
Forcite
module.
Results
In
patterns
nano-particles,
peaks
identified
at
1360
2θ
27.32.
coherent
regions
0.65
which
corresponds
to
doubled
interlayer
spacing
nitride.
change
optical
density
filtrate
through
ΔD
0.04,
corresponding
9.6%
increase
transparency.
Quantum-mechanical
showed
that
van
der
Waals
forces
act
iron
hydroxide
fabric,
while
chemical
bonds
exist
Iron
nanoparticles.
Conclusion
Modification
Langmuir-Blodgett
method
results
more
intense
profile
for
ordered
coatings,
immersion
ultrasonic
dispersion
is
suitable
bulk
allowing
penetrate
structure.
These
are
confirmed
by
diffractometry.
effectiveness
improving
adsorption
also
demonstrated.
Язык: Английский