C – Journal of Carbon Research,
Год журнала:
2024,
Номер
10(4), С. 98 - 98
Опубликована: Ноя. 27, 2024
Graphitic
carbon
nitride
(g-C3N4)
has
gained
significant
attention
due
to
its
unique
physicochemical
properties
as
a
metal-free,
two-dimensional,
carbon-based
polymeric
fluorescent
substance
composed
of
tris-triazine-based
patterns
with
slight
hydrogen
content
and
carbon-to-nitrogen
ratio
3:4.
It
forms
layered
structures
like
graphite
demonstrates
exciting
unusual
properties,
making
g-C3N4
widely
used
in
nanoelectronic
devices,
spin
electronics,
energy
storage,
thermal
conductivity
materials,
many
others.
The
biomedical
industry
greatly
benefited
from
excellent
optical,
electrical,
characteristics,
such
abundance
on
Earth,
affordability,
vast
surface
area,
fast
synthesis.
Notably,
the
heptazine
phase
displays
stable
electronic
bands.
Another
quality
this
semiconductor
material
is
fluorescence
property,
which
also
helpful
preparing
biosensors.
Based
g-C3N4,
electrochemical
biosensors
have
provided
better
biocompatibility,
higher
sensitivity,
low
detection
limits,
nontoxicity,
selectivity,
versatility
functionalization
for
delicate
identification
target
analytes.
This
review
covers
latest
studies
using
efflorescent
graphitic
fabricate
various
biomarkers.
Carbon
nitrides
been
reported
possess
electroactivity
massive
surface-to-volume
ratio,
hydrogen-bonding
functionality,
thus
allowing
electrochemical-based,
highly
sensitive,
selective
platforms
an
entire
array
Considering
preceding
information,
addresses
fundamentals
background
numerous
synthesis
pathways.
Furthermore,
importance
sensing
diverse
biomarkers
emphasized
article.
discusses
current
status
challenges
future
perspectives
nitride-based
sensors,
open
paths
toward
their
practical
application
aspects
clinical
diagnostics.
RSC Advances,
Год журнала:
2024,
Номер
14(38), С. 27999 - 28016
Опубликована: Янв. 1, 2024
Fabrication
of
a
sensitive
electrochemical
sensor
based
on
the
composite
reduced
graphene
oxide
and
multiwalled
carbon
nanotubes
modified
glassy
electrode
for
simultaneous
measurements
hydroquinone,
dopamine,
uric
acid.
Molecules,
Год журнала:
2025,
Номер
30(2), С. 374 - 374
Опубликована: Янв. 17, 2025
Lipid
peroxidation
is
a
major
process
that
determines
the
quality
of
various
oil
samples
during
their
use
and
storage,
in
which
primary
products
are
hydroperoxides
(HP’S).
HP’S
very
stable
compounds
at
ambient
conditions
harmful
to
human
health.
Therefore,
evaluation
degree
oxidation
an
excellent
tool
for
ensuring
food
safety.
The
peroxide
value
(PV)
main
parameter
used
control
oils.
Herein,
we
propose
alternative
electrochemical
method
classical
iodometric
titration
most
widely
determining
PV.
Our
approach
based
on
quantification
hydroperoxides/peroxides
organic
solvent
medium
(acetonitrile
ammonium
salt)
using
composite
electrocatalyst–glassy
carbon
electrode
modified
with
2D-nanomaterial
graphitic
nitride
doped
Co3O4.
Calibration
was
made
by
standard
addition
benzoyl
(BPO)
as
model
compound,
dissolved
chloroform
added
fresh
Rivana-branded
anti-cellulite
oil,
sample.
plots
showed
linear
response
good
reproducibility
analytical
result
(R2
˃
0.99).
Further,
terms
accuracy,
results,
since
BPO
quantitative
analysis
close
theoretical
response.
In
addition,
accuracy
compared
PV
vegetable
fats
(according
method).
Finally,
method,
concentration
peroxides
determined
real
sample—an
trademark
Rivana
expired
shelf
life.
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(11), С. 12993 - 13003
Опубликована: Май 30, 2024
Exploring
the
possible
catalytic
effect
of
black
phosphorus
quantum
dots
(BPQDs)
with
specific
exposed
planes
on
chemiluminescence
(CL)
to
improve
CL
intensity
and
achieve
excellent
analytical
performance
is
one
latest
research
hotspots.
Herein,
uniform
BPQDs
highly
(113)
facets
an
average
size
2.2
nm
were
fabricated
via
a
facile
ultrasonic
exfoliation
strategy.
The
enhanced
in
BPQDs–luminol–K3Fe(CN)6
system
attributed
BPQDs.
mechanism
involved
luminol–K3Fe(CN)6
revealed
by
theoretical
calculations,
which
show
adsorption
Gibbs
free
energy
for
oxygen
−0.86
eV,
accompanied
separation
electron–hole
pairs
(e––h+).
In
other
words,
after
being
irradiated
generated
from
luminol
K3Fe(CN)6,
effectively
catalyze
decomposition
dissolved
produce
superoxide
radical
anions,
further
react
increase
emission.
noticeable
suppression
signal
presence
dopamine
acquired
under
mild
conditions
makes
it
attractive
biosensor
applications,
deepening
understanding
as
efficient
catalysts
promoting
potential
development
BPQD-based
materials
fields
photonics,
biomedicine,
electronics.
Abstract
Organic
pollutants
in
water
pose
significant
challenges
for
treatment
due
to
their
harmful
effects
and
resistance
conventional
methods.
The
rapid
increase
industrial
wastewater
discharge
has
heightened
the
need
effective
pollutant
degradation
techniques.
Photo‐Fenton
technology,
an
advanced
oxidation
process,
gained
attention
its
ability
degrade
a
wide
range
of
organic
contaminants
water.
Developing
high‐performance
photo‐Fenton
catalysts
is
therefore
crucial.
Graphitic
carbon
nitride
(g‐C
3
N
4
)
stands
out
this
field
suitable
energy
band
structure,
stable
properties,
simple
synthesis
process.
However,
application
limited
by
low
specific
surface
area,
narrow
light
absorption,
high
recombination
rate
photogenerated
carriers.
This
review
provides
concise
overview
current
research
on
g‐C
covering
methods,
modifications,
mechanisms
enhancing
activity.
It
also
highlights
key
factors
affecting
’s
effectiveness
reactions
discusses
recent
advancements
applications.
concludes
with
analysis
existing
potential
future
directions
‐based
catalysts,
offering
theoretical
insights
advance
use
treatment.
