Foods,
Год журнала:
2024,
Номер
13(24), С. 4125 - 4125
Опубликована: Дек. 20, 2024
Mycotoxins
are
a
group
of
toxic
metabolites
produced
by
fungi
that
infect
agricultural
products.
Consuming
mycotoxin-contaminated
foods
and
feeds
can
cause
various
adverse
health
effects
in
humans
animals.
Therefore,
developing
rapid
sensitive
analytical
methods
for
detecting
mycotoxins
is
an
urgent
task.
The
molecularly
imprinted
technique
advanced
tool
the
specific
recognition
selective
enrichment
target
molecules.
For
development
detection
mycotoxins,
synthesized
polymers
(MIPs)
serve
as
elements.
By
integrating
MIPs
with
sensing
platforms,
such
solid-phase
extraction,
electrochemical
sensors,
fluorescence
surface-enhanced
Raman
spectroscopy,
surface
plasmonic
resonance
remarkable
progress
has
been
made
foods.
This
review
focuses
on
advances
application
over
past
five
years.
new
MIP
synthesis
categorized
summarized.
Moreover,
future
potential
MIP-based
mycotoxin
also
discussed
highlighted.
Journal of the Chinese Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 16, 2025
Abstract
In
this
work,
a
voltammetry
sensor
was
prepared
using
the
general
molecularly
imprinted
polymer
(MIP)
method
based
on
polyaniline
for
detection
of
acetaminophen
(ACT).
The
made
by
electropolymerization
aniline
in
presence
as
template
power
supply,
and
then
separated
from
solvent
extraction
method.
Different
concentrations
ACT
were
detected
cyclic
(CV)
water‐ethanol
solution,
calibration
curve
with
limit
(LOD)
quantification
(LOQ)
0.43
1.42
ppm,
respectively,
reported
along
linear
equation.
showed
range
between
5
40
ppm
detection.
To
investigate
selectivity
sensor,
copper
electrode
used
to
detect
an
ibuprofen
solution
analyte
ACT‐MIP
sensor.
Additionally,
nonimprinted
(NIP)
did
not
show
any
significant
peak
ACT.
This
able
dissolved
real
urine
sample
successfully.
novel
is
polyaniline,
which
conductive
polymer,
no
other
reinforcements
are
needed
sensor's
conductivity
molecule,
paper
acetaminophen.
Biosensors,
Год журнала:
2024,
Номер
14(7), С. 347 - 347
Опубликована: Июль 17, 2024
This
study
aimed
to
develop
a
novel
fluorescent
aptasensor
for
the
quantitative
detection
of
zearalenone
(ZEN),
addressing
limitations
conventional
techniques
in
terms
speed,
sensitivity,
and
ease
use.
Nitrogen-doped
carbon
dots
(N-CDs)
were
synthesized
via
hydrothermal
method,
resulting
spherical
particles
with
diameter
3.25
nm.
These
N-CDs
demonstrated
high
water
solubility
emitted
bright
blue
light
at
440
nm
when
excited
355
The
fluorescence
was
quenched
by
dispersed
gold
nanoparticles
(AuNPs)
through
inner
filter
effect,
while
aggregated
AuNPs
induced
NaCl
did
not
affect
N-CDs.
aptamer
could
protect
from
NaCl-induced
aggregation,
but
presence
ZEN
weakened
this
protective
effect.
Based
on
principle,
optimal
conditions
included
57
mM
NaCl,
12.5
nM
concentration,
incubation
15
min
Tris-EDTA(TE)
buffer,
30
min.
Under
these
optimized
conditions,
"signal-on"
showed
linear
range
0.25
200
ng/mL
low
limit
0.0875
ng/mL.
Furthermore,
developed
exhibited
excellent
specificity
rapidly
detect
corn
flour
samples
or
oil,
achieving
satisfactory
recovery
rates
ranging
84.7%
108.6%.
Therefore,
presents
an
economical,
convenient,
sensitive,
rapid
method
accurately
quantifying
cereal
products.
Catalysts,
Год журнала:
2024,
Номер
14(7), С. 451 - 451
Опубликована: Июль 14, 2024
The
efficient
detection
of
lead
ions
(Pb2⁺)
is
significant
for
environmental
protection
and
public
health.
Electrochemical
has
emerged
as
one
the
most
promising
technologies
due
to
its
low
limits,
high
sensitivity,
cost-effectiveness.
However,
challenges
remain,
including
issues
related
selectivity,
interference,
stability
electrode
materials.
This
review
explores
recent
advancements
in
field,
focusing
on
integrating
novel
catalytic
materials
innovative
sensor
construction
methods.
Particular
emphasis
placed
enhancing
electrocatalytic
redox
processes
surfaces
using
advanced
nanomaterials
such
MXenes,
ferrite-based
nanomaterials,
carbon
metal–organic
frameworks
(MOFs).
Additionally,
role
biomaterials
enzymes
improving
electrochemical
sensors’
selectivity
anti-interference
capabilities
discussed.
Despite
impressive
limits
achieved,
real-world
applications
present
additional
complex
composition
samples.
concludes
with
future
perspectives
overcoming
these
by
leveraging
unique
properties
develop
more
effective
reliable
sensors
trace
Pb2⁺
detection.