Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 1, 2025
The
photodegradation
of
aflatoxins
G1
and
G2
(AFG1
AFG2)
is
crucial
for
mitigating
the
health
risks
associated
with
these
potent
mycotoxins,
as
it
enhances
food
safety
protects
human
by
reducing
their
persistence
bioavailability
in
contaminated
environments.
This
study
investigates
efficient
AFG1
AFG2
using
a
novel
Bimetallic
MIL-53
(Al,
Ni)/ZnO
nanoparticle
composite
photocatalyst.
catalyst
was
synthesized
two
stages:
Chemical
synthesis
zinc
oxide
nanoparticles
(ZnO
NPs)
hydrothermal
to
form
composite.
Optimization
ZnO-based
photocatalyst,
varying
proportions
NiCl₂·6H₂O
Al(NO₃)₃·9H₂O,
revealed
that
0.547
g:0.864
g
ratio
maximized
photocatalytic
degradation
AFG2.
Through
experimental
design,
process
optimized,
identifying
pH
4.1,
109
mg
35
L-1
AF
concentration,
3
mM
H2O2
concentration
optimal
conditions.
predicted
removal
efficiencies
were
97.43%
98.69%,
respectively.
Kinetic
studies
utilizing
pseudo-first-order
rate
equation
constants
0.058
±
0.002
0.060
0.003
min-1
AFG2,
Additionally,
half-life
times
found
be
11.95
11.55
min,
Catalyst
reuse
investigations
demonstrated
could
reused
at
least
5
without
significant
loss
efficacy.
These
findings
highlight
effectiveness
NPs
stable
photocatalyst
under
mild
conditions,
showcasing
its
potential
practical
applications
environmental
remediation
processes.
Journal of Magnesium and Alloys,
Journal Year:
2024,
Volume and Issue:
12(5), P. 1709 - 1773
Published: May 1, 2024
Wastewater
contamination
by
heavy
metals
and
synthetic
dyes
presents
a
significant
environmental
challenge,
necessitating
effective
sustainable
separation
techniques.
This
review
article
provides
detailed
examination
of
magnesium
oxide
(MgO)
nanoparticles
as
an
innovative
nanoadsorbent
for
wastewater
treatment,
with
specific
focus
on
metal
dye
removal.
The
comprehensively
explores
various
aspects
MgO
nanoparticles,
including
their
structural
characteristics
synthesis
delves
into
the
morphology
crystallographic
arrangement
offering
insights
attributes.
Given
complexity
adsorption
processes,
identifies
analyzes
parameters
influencing
efficiency
such
temperature,
pH,
contact
time,
initial
concentration,
co-existing
ions.
interplay
between
these
capability
emphasizes
importance
optimizing
operational
conditions.
Furthermore,
assesses
methods
sol-gel,
hydrothermal,
precipitation,
green
synthesis,
solvothermal,
template-assisted
It
discusses
advantages,
limitations,
resulting
nanoparticle
each
method,
enabling
readers
to
grasp
implications
processes
efficiency.
comprehensive
consolidates
current
effectiveness
potent
removing
from
covering
wide
spectrum
related
nanoparticles.
Moreover,
there
is
need
investigate
use
in
treatment
actual
or
river
water,
order
leverage
its
cost-effectiveness
high
practical
water
applications
real-time.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
35, P. 103724 - 103724
Published: June 26, 2024
In
recent
years,
the
persistence
of
pharmaceutical
contaminants
like
metronidazole
(MNZ)
and
penicillin
G
(PG)
in
water
bodies
has
become
a
major
environmental
concern.
The
present
research
studied
simultaneous
degradation
MNZ
PG
utilizing
an
AgZnFe2O4@Ch
catalyst
generated
through
co-precipitation
technique
as
effective
stimulator
for
persulfate
(PS)
existence
UV
light.
structure
was
characterized
using
X-ray
powder
diffraction,
Fourier
transform
infrared
spectroscopy,
Field
emission
scanning
electron
microscopy,
vibrating-sample
magnetometer,
energy
dispersive
spectroscopy
mapping.
After
50
minutes
reaction
time
under
ideal
operating
conditions,
which
included
0.4
g/L
catalyst,
4
mM
PS,
5
mg/L
PG,
pH
5,
highest
81.5
%
82.3
were
obtained.
Statistical
parameters,
including
R2
values
0.985
0.981
indicate
very
good
agreement
between
predicted
observed
values.
Garson's
method
analysis
revealed
that
PS
dosage
had
greatest
impact
on
degradation,
while
initial
concentration
exerted
most
significant
influence
degradation.
Langmuir-Hinshelwood
model
surface
rate
constants
(Kc)
0.954
(mg/L.min)
adsorption
equilibrium
(KL-H)
0.032
(L/mg)
both
antibiotics,
respectively.
claimed
mechanism
illustrated
by
free
radical
scavenging
studies,
demonstrated
SO•4-
radicals
main
involved
PG.
A
last
investigation
catalyst's
regeneration
it
satisfactory
chemical
stability
after
five
cycles
usage
approaches.
Catalysis Communications,
Journal Year:
2023,
Volume and Issue:
185, P. 106798 - 106798
Published: Nov. 5, 2023
The
current
work
explores
the
photocatalytic
degradation
of
tetracycline
utilizing
ZIF-8
grafted
with
MnFe2O4
through
a
facile
green
approach.
complete
was
achieved
at
optimized
circumstances
(pH
=
9,
catalyst
concentration
0.5
g/L,
contact
time
180
min,
and
20
mg/L
dose).
decontamination
reaction
as-made
more
adherence
to
pseudo-first-order
model.
Recycling
experiments
demonstrated
excellent
stability
MnFe2O4/ZIF-8
composite
after
six
regeneration
runs.
Furthermore,
as-constructed
can
simultaneously
eliminate
tetracycline,
COD,
TOC
from
real
wastewater
by
84%,
65%,
50%,
respectively,
revealing
its
robust
potential
in
addressing
water
contamination
concerns.
Applied Water Science,
Journal Year:
2024,
Volume and Issue:
14(5)
Published: April 13, 2024
Abstract
Staphylococcus
aureus
(
S.
)
is
an
opportunistic
pathogen
of
the
gram-positive
variety,
known
to
cause
a
range
severe
infections
including
cellulitis,
pneumonia,
osteomyelitis,
endocarditis,
and
sepsis.
These
are
associated
with
significant
morbidity
mortality
rates
in
both
hospital
community
settings.
Therefore,
it
important
remove
from
aqueous
solution.
The
present
study
employed
response
surface
methodology
as
effective
strategy
optimize
removal
through
electro-Fenton
(EF),
UV/H
2
O
,
combination
EF-UV/H
processes.
Under
optimized
conditions,
maximum
efficiency
EF
process
48.5%,
36.2%,
100%.
optimum
condition
for
using
100%
was
attained
at
concentration
5
×
10
6
CFU
mL
−1
current
density
8.0
mA
cm
−2
H
dosage
170
µL
L
lamps
UV
during
7.0
min.
Both
production
•
OH
additive
oxidation
effect
main
reasons
better
performance
process.
results
indicate
that
highly
promising
environmentally
sustainable
method
treating
wastewater
samples
contaminated
aureus.
