Fluorescence Probe for Detection of Malathion Using Sulfur Quantum Dots@Graphitic‐Carbon Nitride Nanocomposite
Luminescence,
Год журнала:
2025,
Номер
40(2)
Опубликована: Янв. 31, 2025
ABSTRACT
A
novel
fluorescence‐based
sensor
has
been
developed
for
the
sensitive
detection
of
malathion,
an
organophosphorus
pesticide,
using
sulfur‐doped
quantum
dots
(SQDs)
embedded
within
graphitic
carbon
nitride
(g‐C₃N₄)
nanosheets.
The
SQDs
were
synthesized
through
a
hydrothermal
method,
whereas
g‐C₃N₄
nanosheets
produced
via
exfoliation
process.
resulting
SQDs@g‐C₃N₄
nanocomposite
demonstrated
outstanding
performance
malathion
in
food
samples,
exhibiting
wide
linear
range
10–120
μM
and
exceptionally
low
limit
0.02
μM.
This
sensitivity
allows
accurate
rapid
pesticide
monitoring
at
trace
levels.
sensor's
was
optimized
by
varying
experimental
conditions,
ensuring
that
it
provided
high
sensitivity,
excellent
stability,
impressive
selectivity
toward
even
complex
matrices.
Язык: Английский
Visible‐Light‐Driven Photocatalytic Degradation of Amoxicillin Using FeMoO2/Chitosan/CdO Nanocomposite for Sustainable Water Treatment
Polymers for Advanced Technologies,
Год журнала:
2025,
Номер
36(2)
Опубликована: Фев. 1, 2025
ABSTRACT
This
work
focused
on
the
photocatalytic
degradation
of
amoxicillin
using
recently
developed
FeMoO
4
/chitosan/CdO
nanocomposite
(FeMoO
/CS/CdO).
The
most
typical
antibiotic,
amoxicillin,
raises
environmental
threats
due
to
its
persistence
in
aquatic
environments.
Amoxicillin,
extensively
utilized
as
an
has
concerns
existence
nanocomposite,
comprising
iron
molybdate
),
chitosan
(CS),
and
cadmium
oxide
(CdO)
nanoparticles,
was
synthesized
couple
distinct
properties
each
constituent,
enhancing
overall
functionality.
FCC‐NC
characterized
by
presence
clearly
defined
peaks
infrared
(IR)
spectra,
ultraviolet–visible
(UV–Vis)
x‐ray
diffraction
(XRD)
patterns.
We
studied
(AXM)
/CS/CdO
nanocomposite.
Under
ideal
conditions
(40
mg
catalyst
dosage
10
mg/L
initial
AXM
concentration),
we
achieved
a
efficiency
roughly
90.8%,
following
pseudo‐first‐order
kinetics
with
rate
constant
0.0222
min
−1
.
immobilized
2
more
photocatalytically
active
than
bare
because
it
exhibited
less
charge
carrier
recombination,
according
EIS
PL
analysis.
Hence,
vast
opportunity
long‐term
mechanism
eradicating
pharmaceutical
pollutants
water.
study
shows
that
obtained
results
may
be
useful
field
cleanliness
water
purification
technologies.
Язык: Английский
Multifunctional Nitrogen-Doped Carbon Nanodots: A New Paradigm in Anticounterfeiting and Fingerprint Forensics Imaging
Waste and Biomass Valorization,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 8, 2025
Язык: Английский
Fluorescent N-Doped Carbon Dots as a Biocompatible Sensor for Thiophanate-Methyl Detection
Journal of Fluorescence,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
Язык: Английский
Impact of Shock Compression on the Photovoltaic Performance of NiCo2O4 Nanoparticles
Luminescence,
Год журнала:
2024,
Номер
39(12)
Опубликована: Дек. 1, 2024
ABSTRACT
Spherical‐shaped
nickel
cobaltite
(NC)
nanoparticles
were
synthesized
via
a
simple
sol–gel
technique
and
calcined
at
600°C.
X‐ray
diffraction
(XRD)
analysis
revealed
significant
changes
in
crystallite
size,
with
an
average
of
23
nm
for
the
control
sample
variations
observed
after
50
shockwaves.
Fourier
transform
infrared
spectroscopy
(FTIR)
confirmed
metal‐oxygen
stretching,
indicating
structural
integrity.
UV–visible
absorption
studies
showed
optical
band
gap,
which
increased
shock
treatments,
suggesting
bandgap
tunability
optoelectronic
photovoltaic
applications.
The
material
exhibited
good
up
to
600
nm,
making
it
suitable
light‐harvesting
devices.
Vibrating
magnetometry
(VSM)
detected
shifts
dipole
moments
magnetic
saturation,
all
samples
displaying
paramagnetic
behavior.
shock‐treated
enhanced
properties,
could
be
useful
storage
combined
properties
wave
treatment
underscores
potential
these
applications
photovoltaics,
spintronics,
energy
systems.
Язык: Английский