Carbon
dots
(CDs)
or
CDs/polymer
composites
have
been
applied
in
numerous
fields.
Here,
novel
CDs
were
synthesized
by
carbonization
of
egg
yolk,
and
characterized
TEM,
FTIR,
XPS
photoluminescence
spectra.
The
found
to
be
approximate
sphere
shape
with
an
average
size
4.46
±
1.17
nm,
emitted
bright
blue
under
UV
irradiation.
was
selectively
quenched
Fe3+
a
linear
manner
the
range
0.05-0.45
mM,
meaning
they
could
for
detection
solution.
Moreover,
uptaken
HepG2
cells
exhibit
photoluminescence.
intensity
reflect
level
intracellular
Fe3+,
indicating
further
used
cell
imaging
monitoring.
Next,
dopamine
polymerized
on
surface
obtain
polydopamine
(PDA)-coated
(CDs@PDA).
We
PDA
coating
quench
via
inner
filter
effect,
degree
quenching
linearly
related
logarithm
DA
concentration
(Log
CDA).
Also,
selectivity
experiment
indicated
method
had
high
over
number
possible
interfering
species.
This
combination
Tris
buffer
potentially
as
assay
kit
dopamine.
At
last,
CDs@PDA
exhibited
excellent
photothermal
conversion
capability,
efficiently
kill
NIR
laser
Overall,
this
work
many
advantages,
multi-applications,
such
sensor
solution
cellular,
imaging,
kit,
well
agents
cancer
therapy.
C – Journal of Carbon Research,
Год журнала:
2024,
Номер
10(3), С. 60 - 60
Опубликована: Июль 5, 2024
Carbon
dots
(CDs)
have
emerged
as
a
promising
class
of
carbon-based
nanomaterials
due
to
their
unique
properties
and
versatile
applications.
(CDs),
also
known
carbon
quantum
(CQDs)
or
graphene
(GQDs),
are
nanoscale
materials
with
dimensions
typically
less
than
10
nanometers.
They
exhibit
intriguing
optical,
electronic,
chemical
properties,
making
them
attractive
for
wide
range
applications,
including
sensing,
imaging,
catalysis,
energy
conversion,
among
many
others.
Both
bottom-up
top-down
synthesis
approaches
utilized
the
dots,
each
method
impacting
physicochemical
characteristics.
can
diverse
structures,
amorphous,
crystalline,
hybrid
depending
on
precursor
used.
CDs
structures
modified
oxygen,
polymer-based,
amino
groups
surface.
These
influence
optical
electronic
such
photoluminescence,
bandgap,
charge
carrier
mobility,
tunable
specific
Various
characterization
methods
HRTEM,
XPS,
analysis
(PL,
UV)
used
determine
structure
CDs.
cutting-edge
fluorescent
remarkable
qualities
biocompatibility,
low
toxicity,
environmental
friendliness,
high
water
solubility,
photostability.
easily
adjustable
in
terms
highly
various
fields.
find
applications
bio-imaging,
nanomedicine,
drug
delivery,
solar
cells,
photocatalysis,
electrocatalysis,
other
related
areas.
hold
great
promise
field
cell
technology
yield
(CQY),
excellent
separation.
Antioxidants,
Год журнала:
2024,
Номер
13(5), С. 535 - 535
Опубликована: Апрель 27, 2024
Carbon
dot
(CD)
nanozymes
have
enzyme-like
activity.
Compared
with
natural
enzymes,
CD
offer
several
advantages,
including
simple
preparation,
easy
preservation,
good
stability
and
recycling,
which
has
made
them
a
popular
research
topic
in
various
fields.
In
recent
years,
researchers
prepared
variety
of
for
biosensing
detection,
medicine
tumor
therapy,
many
are
based
on
oxidative
stress
regulation
reactive
oxygen
species
clearance.
Particularly
to
expand
their
potential
applications,
elemental
doping
been
utilized
enhance
the
catalytic
capabilities
other
properties
nanozymes.
This
review
discusses
prevalent
techniques
synthesis
presents
diverse
applications
characteristics.
Finally,
challenges
encountered
current
utilization
presented.
The
latest
progress
synthesis,
application
outlined
can
help
encourage
future
related
researches
Abstract
Pesticides
in
environmental
samples
pose
significant
risks
to
ecosystems
and
human
health
since
they
require
precise
efficient
detection
methods.
Imidacloprid
(IMI),
a
widely
used
neonicotinoid
insecticide,
exemplifies
these
hazards
due
its
potential
toxicity.
This
study
addresses
the
urgent
need
for
improved
monitoring
of
such
contaminants
by
introducing
novel
fluorometric
method
detecting
IMI
using
nitrogen‐doped
graphite
carbon
dots
(N‐GCDs).
The
sensor
operates
quenching
fluorescence
through
interaction
Cu
2+
ions
with
N‐GCDs.
Subsequently,
binds
imidazole
group,
chelates
,
restores
alternating
behavior
allows
accurate
identification
both
IMI.
exhibits
linear
ranges
20–100
nM
10–140
μg/L
IMI,
limits
18
1.2
μg/L,
respectively.
high
sensitivity
this
enables
real‐world
samples,
which
underscores
practical
use
agricultural
safety.
Recent
advancements
in
light-driven
interfacial
water
evaporation
have
underscored
the
potential
of
photothermal
materials
for
producing
clean
from
various
sources,
including
seawater,
rivers,
lakes,
and
wastewater.
Despite
these
advancements,
challenges
environmental
management
energy
conversion
persist.
The
development
multifunctional
composites
has
addressed
by
integrating
active
species
into
devices,
thereby
enhancing
their
performance
applicability.
This
review
provides
a
thorough
examination
recent
progress
purification.
It
covers
advances
material
synthesis,
optimization
evaporator
configurations
through
techniques,
application
treatment
production.
discussion
includes
innovative
heat
strategies
designed
to
improve
system
efficiency.
concludes
identifying
current
suggesting
future
research
directions
advance
field
efficient
purification
