Advanced Engineering Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
This
study
investigates
the
critical
role
of
adsorption
in
development
electrochemical
sensors,
focusing
on
carbon
(Vulcan
XC72R,
acetylene
black,
and
graphite)
zeolite
(high‐silica
ZSM‐5
all‐silica
β)
materials.
Based
paracetamol
characteristics
these
materials,
an
optimized
disposable
sensor
is
created.
exhibits
a
linear
range
up
to
5
μM
remarkable
detection
limit
150
nM
(S/N
=
3),
≈1000‐time
improvement
over
blank
sensor.
Moreover,
can
be
measured
selectively
because
glucose
has
no
affinity
for
selected
These
findings
underscore
significance
properties
material
selection
enhancing
sensitivity
robustness
against
interfering
species.
International Journal of Energy Research,
Journal Year:
2024,
Volume and Issue:
2024(1)
Published: Jan. 1, 2024
Owing
to
numerous
potential
applications
in
multiple
fields,
the
study
of
nanosized
magnetic
spinel
ferrites
has
been
gaining
significance.
Synthesis
and
characterization
high‐quality
nanocrystals
with
narrow
size
distribution,
enhanced
saturation,
outstanding
properties
for
bioenvironmental
are
presented
current
study.
Nanoparticles
oleic
acid‐ligated
Co
0.5
‐mixed
Mg
Fe
2
O
4
were
prepared
by
a
simple
thermal
decomposition
method.
The
effect
cobalt
(Co
2+
)
content
on
structural,
optical,
magnetic,
magnesium
ferrite
was
assessed
powder
X‐ray
diffraction
(PXRD),
Fourier
transform
infrared
spectroscopy
(FT‐IR),
vibrating
sample
magnetometer
(VSM),
thermogravimetric
analysis
(TGA),
differential
scanning
calorimetry
(DSC).
High‐resolution
transmission
electron
microscopy
(HR‐TEM)
energy
dispersive
(EDX)
used
determine
morphology
composition,
respectively.
produced
highly
crystalline
homogeneous,
having
an
average
10
nm,
large
saturation
magnetization
(61
emu/g)
high
moment.
Photocatalytic
studied
degradation
anionic
Orange
II
cationic
methylene
blue
(MB)
dyes
under
UV
visible
light
radiations
different
time
intervals.
dye
exhibited
higher
degradation,
up
97.2%
92.2%,
within
90‐minute
period
ultraviolet
irradiation,
MB
also
displayed
significant
91.9%
93.8%,
300
min
sources,
synthesized
OA‐ligated
nanoparticles
degrade
more
effectively
than
previously
reported
literature
and,
thus,
can
be
prime
candidates
effective
photo
catalytic
waste
water
cleaning
applications,
through
harvesting
ambient
solar
energy.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 12, 2024
Abstract
The
sensitive
and
selective
monitoring
of
food
dyes
is
essential
due
to
their
potential
carcinogenic
effects
on
human
as
well
living
organisms.
Herein,
Fe3O4@MXene/rGO/PANI
nanocomposite
was
prepared
successfully
applied
a
recognition
layer
for
the
fast
analysis
Orange
II
(OR
II)
Rhodamine
B
(RB)
via
DPV.
nanocomposites
were
described
by
XRD,
SEM
FTIR
analysis.
XRD
results
verified
crystalline
nature
composite.
Successful
fabrication
electrode
surface
confirmed
from
CV,
EIS
CC.
Due
outstanding
electrochemical
characteristics,
high
area,
good
electrocatalytic
activity
Fe3O4@MXene/rGO/PANI,
peak
currents
modified
GC
are
considerably
higher
than
among
all
studied
electrodes.
detection
conditions
such
supporting
electrolyte,
amount
modifier,
pH
medium,
accumulation
time
optimized.
Under
optimized
conditions,
designed
sensor
exhibited
two
linear
ranges
0.005–0.1
0.1–1
µM
with
limits
0.56
nM
0.42
OR
RB,
which
attributed
strong
ability
multiple
active
sites
Fe3O4@MXene/rGO/PANI.
Futhermore,
stability
analyzed
RB.
practical
applicability
this
also
scrutinized
RB
in
real
samples
suitable
obtained.
Hence,
simple
effective
methodology
has
environmental
pollutants.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(21), P. 5026 - 5026
Published: Oct. 24, 2024
This
review
explores
electrochemical
sensing
strategies
for
synthetic
orange
dyes,
addressing
the
growing
need
sensitive
and
selective
detection
methods
in
various
industries.
We
examine
fundamental
principles
underlying
of
these
compounds,
focusing
on
their
redox
behavior
interaction
with
electrode
surfaces.
The
covers
a
range
sensor
designs,
from
unmodified
electrodes
to
advanced
nanomaterial-based
platforms.
Chemically
modified
incorporating
polymers
molecularly
imprinted
are
discussed
enhanced
selectivity.
Particular
attention
is
given
sensors,
including
those
utilizing
carbon
nanotubes,
graphene
derivatives,
metal
nanoparticles,
which
have
demonstrated
exceptional
sensitivity
wide
linear
ranges.
potential
biological-based
approaches,
such
as
DNA
sensors
immunosensors,
also
evaluated.
Current
challenges
field
addressed,
matrix
effects
complex
samples
long-term
stability
issues.
Emerging
trends
highlighted,
development
multi-modal
platforms
integration
artificial
intelligence
data
analysis.
concludes
by
discussing
commercial
food
safety,
environmental
monitoring,
smart
packaging
applications,
emphasizing
importance
ensuring
safe
use
dyes
across
