Sensors,
Journal Year:
2024,
Volume and Issue:
24(17), P. 5844 - 5844
Published: Sept. 9, 2024
The
most
frequently
used
sulfonamide
is
sulfamethazine
(SMZ)
because
it
often
found
in
foods
made
from
livestock,
which
hazardous
for
individuals.
Here,
we
have
developed
an
easy,
quick,
selective,
and
sensitive
analytical
technique
to
efficiently
detect
SMZ.
Recently,
transition
metal
oxides
attracted
many
researchers
their
excellent
performance
as
a
promising
sensor
SMZ
analysis
of
superior
redox
activity,
electrocatalytic
electroactive
sites,
electron
transfer
properties.
Further,
Cu-based
resilient
electrical
conductivity;
however,
boost
extreme
extent,
composite
including
two-dimensional
(2D)
graphitic
carbon
nitride
(g-C3N4)
nanosheets
needs
be
constructed
ready
(denoted
g-C3N4/Cu2Y2O5).
Moreover,
several
techniques,
X-ray
diffraction
analysis,
scanning
microscopy
energy-dispersive
spectroscopy,
Fourier
transform
infrared
Raman
spectroscopy
were
employed
analyze
the
composites.
electrochemical
measurements
revealed
that
g-C3N4/Cu2Y2O5
composites
exhibit
great
activity.
Nevertheless,
achieved
outstanding
repeatability
reproducibility
alongside
low
limit
detection
(LOD)
0.23
µM,
long
linear
range
2
276
electrode
sensitivity
8.86
µA
µM−1
cm−2.
Finally,
proposed
GCE/g-C3N4/Cu2Y2O5
proved
highly
effective
food
samples,
with
acceptable
recoveries.
has
been
successfully
applied
water
samples.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(2), P. 930 - 945
Published: Jan. 9, 2023
Sulfamethazine
(SMZ)
is
one
of
the
most
frequently
utilized
sulfonamides,
and
it
regularly
found
in
animal-derived
foods,
posing
a
health
risk.
Hence,
developing
quick,
easy,
selective,
sensitive
analytical
method
for
on-site
detection
SMZ
essential
improving
food
safety.
Recently,
transition-metal
oxides
have
attracted
great
interest
as
promising
sensors
detecting
sulfamethazine
due
to
their
superior
redox
behavior,
electrochemical
activity,
electroactive
sites.
However,
they
tremendously
suffer
from
poor
electrical
conductivity
stability,
which
limits
commercial
reality.
Herein,
highly
selective
sensor
consisting
two-dimensional
(2D)
graphitic
carbon
nitride
nanosheet
(g-C3N4)
networks
anchored
strontium
tungstate
nanospheres
(denoted
SrWO4/g-C3N4)
developed
nonenzymatic
detection.
When
employed
sensing
platform,
SrWO4/g-C3N4
hybrid
shows
enhanced
performance
with
fast
response
time,
high
sensitivity,
low
limit
0.0059
μM,
wide
ranges
0.2
600
prolonged
cycle
life
over
30
days.
The
performs
well
real
sample
analysis,
reflecting
its
practical
applicability.
Such
may
be
attributed
numerous
sites,
confined
electronic
structures,
synergistic
interaction
between
active
SrWO4
species
g-C3N4
matrix.
This
work
demonstrates
an
innovative
protocol
SrWO4/g-C3N4-based
platforms
nanoscale
architectures
interface
configurations.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(6), P. 2505 - 2505
Published: March 9, 2023
Tetrabromobisphenol
A
(TBBPA)
is
a
known
endocrine
disruptor
employed
in
range
of
consumer
products
and
has
been
predominantly
found
different
environments
through
industrial
processes
human
samples.
In
this
review,
we
aimed
to
summarize
published
scientific
evidence
on
biomonitoring,
toxic
effects
mode
action
TBBPA
humans.
Interestingly,
an
overview
various
pretreatment
methods,
emerging
detection
treatment
methods
was
elucidated.
Studies
exposure
routes
humans,
combination
adsorbent-based
treatments
degradation
are
the
preliminary
phase
have
several
limitations.
Therefore,
in-depth
studies
these
subjects
should
be
considered
enhance
accurate
body
load
non-invasive
matrix,
external
levels,
optimal
design
combined
techniques,
degrading
technology
TBBPA.
Overall,
review
will
improve
comprehension
humans
as
well
environment,
breakthrough
for
treating
waste
containing
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(6), P. 8232 - 8240
Published: Feb. 6, 2023
A
lamellar
carbon
nitride
(CN)
framework
is
one
of
the
most
promising
materials
for
solar-driven
hydrogen
peroxide
production.
The
low
dielectric
constant
organic
CN
leads
to
severe
recombination
excitons,
and
photon-to-chemical
conversion
efficiency
thus
unsatisfactory.
In
this
work,
by
polycondensation
small
molecules
on
KCl
crystal
surface,
K+-incorporated
crystalline
(CNK)
frameworks
show
significantly
extended
periodicity
stacking
layers
in-plane
orderly
organized
heptazine/triazine
units.
CNK
exhibit
a
series
favorable
photophysical
properties,
such
as
enhanced
photon
absorption,
negatively
shifted
LUMO
potentials,
attenuated
emissive
decay
excitons.
present
remarkable
performance
in
photocatalytic
selective
oxygen
reduction
reaction
production,
e.g.,
from
NH4SCN
surface
could
produce
at
rate
26.7
mmol
h-1
g-1
with
high
apparent
quantum
yield
25.0%,
which
23.5
times
that
its
counterpart
synthesized
absence
KCl.
This
method
generally
applicable
all
precursors
synthesis.
Nanomaterials,
Journal Year:
2023,
Volume and Issue:
13(9), P. 1520 - 1520
Published: April 29, 2023
New
possibilities
for
the
development
of
biosensors
that
are
ready
to
be
implemented
in
field
have
emerged
thanks
recent
progress
functional
nanomaterials
and
careful
engineering
nanostructures.
Two-dimensional
(2D)
exceptional
physical,
chemical,
highly
anisotropic,
chemically
active,
mechanical
capabilities
due
their
ultra-thin
structures.
The
diversity
high
surface
area,
layered
topologies,
porosity
found
2D
makes
them
amenable
being
engineered
with
characteristics
make
it
possible
targeted
identification.
By
integrating
distinctive
features
several
varieties
nanostructures
employing
as
scaffolds
bimolecular
assemblies,
biosensing
platforms
improved
reliability,
selectivity,
sensitivity
identification
a
plethora
analytes
can
developed.
In
this
review,
we
compile
number
approaches
using
biomolecule
detection.
Subsequently,
summarize
advantages
disadvantages
biosensing.
Finally,
both
opportunities
challenges
exist
within
potentially
fruitful
subject
discussed.
This
review
will
assist
readers
understanding
synthesis
nanomaterials,
alteration
by
enzymes
composite
materials,
implementation
material-based
efficient
bioanalysis
disease
diagnosis.
Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
95(36), P. 13716 - 13724
Published: Aug. 31, 2023
Photoelectrochemical
(PEC)
sensing
enables
the
rapid,
accurate,
and
highly
sensitive
detection
of
biologically
important
chemicals.
However,
achieving
high
selectivity
without
external
biological
elements
remains
a
challenge
because
PEC
reactions
inherently
have
poor
selectivity.
Herein,
we
report
strategy
to
address
this
problem
by
regulating
charge-transfer
pathways
using
polymeric
carbon
nitride
(pCN)-based
heterojunction
photoelectrodes.
Interestingly,
redox
at
different
semiconductor/electrolyte
interfaces
with
specific
pathways,
each
analyte
demonstrated
unique
combination
photocurrent-change
polarity.
Based
on
principle,
pCN-based
sensor
for
selective
ascorbic
acid
in
serum
against
typical
interferences,
such
as
dopamine,
glutathione,
epinephrine,
citric
was
successfully
developed.
This
study
sheds
light
general
biorecognition
units
engineering
heterojunctions