Innovations in metal oxides-biochar nanoparticles for dye removal
Nano-Structures & Nano-Objects,
Год журнала:
2024,
Номер
39, С. 101269 - 101269
Опубликована: Июль 24, 2024
Язык: Английский
Syzygium aromaticum Bud Extracted Core–Shell Ag–Fe Bimetallic Nanoparticles: Phytotoxic, Antioxidant, Insecticidal, and Antibacterial Properties
Crystals,
Год журнала:
2024,
Номер
14(6), С. 510 - 510
Опубликована: Май 27, 2024
Today,
there
is
the
roar
of
sustainable
material
development
around
globe.
Green
nanotechnology
one
extensions
sustainability.
Due
to
its
approach,
green
fabrication
nanoparticles
has
recently
surpassed
their
classical
synthesis
in
popularity.
Among
metal
nanoparticles,
contemporary
findings
have
demonstrated
that
bimetallic
possess
more
potential
for
different
applications
than
monometallic
due
synergistic
effects
two
metals.
So,
we
are
presenting
facile,
one-vessel,
and
one-step
phyto-fabrication
Ag–Fe
BMNPs
using
bud
extract
Syzygiumaromaticum.
The
synthesized
were
characterized
by
UV-VIS,
XRD,
EDX,
FTIR,
SEM.
NPs
underwent
biological
studies.
radical
scavenging
was
found
be
64%
73%,
insecticidal
80%
100%,
respectively.
Similarly,
both
exhibited
good
antibacterial
activity.
zone
inhibition
100
mg/mL
1
cm
against
all
bacterial
species,
i.e.,
K.
pneumonia,
E.
coli,
S.
aureus.
It
1.5
cm,
1.3
aureus,
respectively,
showing
activity
higher
NPs.
this
study
unlocks
eco-safe,
cost-effective,
least-harmful
methodology
with
SA
medical
agricultural
fields,
a
step
towards
Язык: Английский
Impact of niobium doping on photocatalytic degradation efficiency of iron oxide nanoparticles for methylene blue dye under UV and sunlight
Ambreen Nasir Cheema,
Iqra Muneer,
Maham
и другие.
Materials Science and Engineering B,
Год журнала:
2024,
Номер
312, С. 117878 - 117878
Опубликована: Дек. 2, 2024
Язык: Английский
Magnetic Effects in Textile Fibers Filled with Nanoconstituents Based on Iron Oxides
Journal of Natural Fibers,
Год журнала:
2024,
Номер
21(1)
Опубликована: Ноя. 5, 2024
The
paper
proves
the
possibility
of
providing
magnetic
properties
in
process
saturation
textile
fibers
with
a
nanomixture
divalent
and
trivalent
iron
oxides.
mechanisms
interaction
nanostructures
natural
synthetic
are
analyzed.
peculiarities
introduction
components
into
flax,
cotton,
polyamide,
polyester
determined.
relative
number
particles
nanoscale
total
was
statistically
proved.
To
evaluate
macro
effects
saturation,
amount
accumulated
mixture
oxides
determined,
taking
account
previous
fiber
weight.
Two
basic
constants
characterizing
to
proposed.
It
is
proved
that
flax
exhibit
highest
efficiency.
average
size
oxide
nanoparticles
80–90
nanometers,
which
confirmed
by
studies
using
electron
microscopy.
final
magnetization
obtained
materials
provides
an
attractive
20–30
mPascal.
field
acts
at
height
up
6–7
mm.
directions
use
shown
as
prospect
for
development
smart
products.
Язык: Английский
Bionanomining: bioengineered CuO nanoparticles from mining and organic waste for photo-catalytic dye degradation
Environmental Geochemistry and Health,
Год журнала:
2024,
Номер
46(9)
Опубликована: Июль 16, 2024
Язык: Английский
Facile synthesis of rGO/ZnCo2O4 nanocomposite for enhanced photocatalytic dye degradation of crystal violet dye solution
Nano-Structures & Nano-Objects,
Год журнала:
2024,
Номер
40, С. 101330 - 101330
Опубликована: Сен. 19, 2024
Язык: Английский
Sustainable Nanotechnology Based Techniques for Mitigating the Pollutants from Pulp and Paper Industry
ACS Omega,
Год журнала:
2024,
Номер
9(49), С. 47904 - 47919
Опубликована: Ноя. 26, 2024
Paper
mills
inevitably
produce
various
pollutants,
including
chlorolignin,
chlorophenols,
chloroguaiacol,
furan,
cyanide,
and
heavy
metals.
These
pollutants
cause
significant
threats
to
aquatic
terrestrial
life.
The
pulp
paper
industries
are
looking
for
eco-friendly
solutions
the
disposal
of
effluents
during
processing.
Moreover,
environmental
management
practices
a
key
concern
that
may
be
addressed
by
removing
these
using
suitable
bioremediation
techniques.
Therefore,
we
have
discussed
several
nanotechnology
based
sustainable
technologies
like
use
nanoparticles,
nanomaterials,
nanocomposites,
nanoadsorbents,
advanced
methods
such
as
electrocoagulation
photocatalysis,
which
utilized
elimination
hazardous
from
industry
effluents.
This
review
finally
includes
critical
insight
into
potential
above-mentioned
interventions
mitigation
contaminants
industry.
Nevertheless,
there
few
limitations
challenges
toward
implementation
technologies,
also
in
this
review.
Язык: Английский
Green synthesis of ϒ-FE2O3 using orange peel extract and application to remove Congo red
Journal of Chemical Research,
Год журнала:
2024,
Номер
48(6)
Опубликована: Ноя. 1, 2024
Fe
2
O
3
nanoparticles
were
synthesized
by
green
chemistry
using
orange
peel
extract.
The
structural
characteristics
of
tested
through
analysis
methods
such
as
scanning
electron
microscopy,
Fourier
Transform
Infrared
Spectroscopy,
and
X-ray
diffraction.
have
a
heterogeneous
spherical
shape
with
the
mass
ratio
iron
(55.66%)
oxygen
(36.86%).
Crystals
identified
γ-Fe
hexagonal
crystal
structure
size
56.66
nm
(nano
size)
peaks
2θ
=
30.25°
(220),
35.68°
(311),
43.34°
(400),
53.39°
(422),
57.36°
(511),
63.03°
(440).
at
636,
554,
480,
422
cm
–1
believed
to
be
existence
metallic
(Fe-O)
band.
In
addition,
OH
C=C
groups
attributed
presence
ability
remove
Congo
red
was
selected
under
following
conditions:
time
30
min,
temperature
50
°C,
pH
6,
dosage
0.05
mmol
L
−1
,
concentration
400
mg
maximum
adsorption
capacity
1417.71785
g
.
pseudo-first
order
pseudo-second
suitable
for
process
material
high
correlation
coefficients
0.965
0.956,
respectively.
fits
pseudo-first-order
pseudo-second-order
kinetics
mainly
controlled
physical
chemical
interactions.
Freundlich
Dubinin–Radushkevitch
isothermal
multilayer
electrostatic
interaction
force
on
surface
Gaussian
energy
distribution.
It
can
seen
that
from
are
potential
materials
replace
conventional
methods.
Язык: Английский