Recent advances in ratiometric electrochemical sensors for food analysis
Food Chemistry X,
Год журнала:
2024,
Номер
23, С. 101681 - 101681
Опубликована: Июль 23, 2024
Ratiometric
electrochemical
sensors
are
renowned
for
their
dual-signal
processing
capabilities,
enabling
automatic
correction
of
background
noise
and
interferences
through
built-in
calibration,
thus
providing
more
accurate
reproducible
measurements.
This
characteristic
makes
them
highly
promising
food
analysis.
review
comprehensively
summarizes
discusses
the
latest
advancements
in
ratiometric
applications
analysis,
emphasizing
design
strategies,
detection
practical
uses.
Initially,
we
explore
construction
strategies
these
sensors.
We
then
various
food-related
analytes,
including
nutrients,
additives,
metal
ions,
pharmaceutical
pesticide
residues,
biotoxins,
pathogens.
The
also
briefly
explores
challenges
faced
by
testing
potential
future
directions
development.
It
aims
to
provide
researchers
with
a
clear
introduction
serve
as
reference
application
new,
efficient
Язык: Английский
A fluorescent aptasensor for kanamycin detection in milk, seafood and water samples using DNA-AgNCs and exonuclease I-assisted recycling amplification strategy
Food Chemistry,
Год журнала:
2025,
Номер
unknown, С. 143291 - 143291
Опубликована: Фев. 1, 2025
Язык: Английский
Synergistic Enhancement of PEC Activity in Heterojunction Assisted by Oxygen Vacancies and Ferroelectric Polarization at Zero Bias: Mechanism Study and Achievement of Ultrasensitive Detection
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 14, 2025
The
utilization
of
ferroelectric
polarization-assisted
photoelectrochemical
(PEC)
systems
holds
huge
promise
for
solving
the
issue
high
recombination
photogenerated
electron–hole
pairs.
Monitoring
their
intricate
charge-transfer
process
can
offer
profound
insights
into
advancement
highly
active
photoelectrodes.
In
this
work,
hydrothermally
synthesized
titanium
dioxide
nanorod
arrays
(TiO2
NRAs)
are
subjected
to
in
situ
etching
introduce
oxygen
vacancies
(Ov),
and
subsequently
loaded
with
barium
titanate
(BaTiO3,
BTO)
nanoparticles
form
a
polarization
effect-assisted
type-II
heterojunction.
resulting
Ov-TiO2/BTO
demonstrates
an
ultrahigh
photocurrent
102
μA
outstanding
stability
over
7200
s,
far
surpassing
majority
recently
reported
PEC
photoanodes
operating
at
bias
voltage
0
V
(vs
Ag/AgCl).
Notably,
photoinduced
charge
transfer
was
monitored
microscale
by
advanced
scanning
microscopy
(SPECM).
As
showcase,
aptamer-coupled
self-powered
biosensor
kanamycin
presents
excellent
sensitivity
good
anti-interference
ability.
This
study
not
only
elucidates
intrinsic
mechanism
synergistic
amplification
photoelectric
signals
heterojunctions
but
also
provides
reliable
platform
ultrasensitive
detection
biological
molecules.
Язык: Английский
A simple self-assembly aptasensor for ultrasensitive detection of kanamycin based on carbon dots and Ti3C2 MXene nanocomposite
Fang Li,
Shuyue Xiong,
Yijun Tan
и другие.
RSC Advances,
Год журнала:
2025,
Номер
15(14), С. 11271 - 11282
Опубликована: Янв. 1, 2025
A
self-assembly
aptasensor
based
on
a
two-round
signal
amplification
strategy
for
kanamycin
trace
detection
was
demonstrated
by
employing
carbon
dot
decorated
Ti
3
C
2
MXene
as
electrode
modification
material
and
the
complex
of
double-stranded
DNA
(dsDNA)
methylene
blue
probes.
Язык: Английский
An Intelligent Fluorescence Sensing Platform Based on Entropy-Driven Toehold-Mediated Strand Displacement Cycle Reaction for Point-of-Care Testing of Mirna
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
An Intelligent Fluorescence Sensing Platform Based on Entropy-Driven Toehold-Mediated Strand Displacement Cycle Reaction for Point-of-Care Testing of Mirna
Опубликована: Янв. 1, 2024
Язык: Английский
Chemiluminescence detection of kanamycin by DNA aptamer regulating peroxidase-like activity of Co3O4 nanoparticles
Analytical Sciences,
Год журнала:
2024,
Номер
41(1), С. 45 - 53
Опубликована: Сен. 17, 2024
Язык: Английский
An intelligent fluorescence sensing platform based on entropy-driven toehold-mediated strand displacement cycle reaction for point-of-care testing of miRNA
Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy,
Год журнала:
2024,
Номер
325, С. 125177 - 125177
Опубликована: Сен. 20, 2024
Язык: Английский
Advancements in Biosensors for Lipid Peroxidation and Antioxidant Protection in Food: A Critical Review
Antioxidants,
Год журнала:
2024,
Номер
13(12), С. 1484 - 1484
Опубликована: Дек. 5, 2024
This
review
highlights
the
progress
made
in
recent
years
on
biosensors
aimed
at
detecting
relevant
analytes/markers
of
food
peroxidation.
Starting
from
basic
definition
and
chemical
features
peroxidation,
here
we
describe
different
approaches
that
can
be
used
to
obtain
information
about
peroxidation
efficacy
antioxidants.
Aptamers,
metal–organic
frameworks,
nanomaterials,
supported
enzymes,
conjunction
with
electrochemical
methods,
provide
fast
cost-effective
detection
analytes
related
like
peroxides,
aldehydes,
metals.
The
determination
(poly)phenols
concentrations
by
biosensors,
which
easily
obtained
using
immobilized
enzymes
(like
laccase),
provides
an
indirect
measure
rationale
for
developing
new
a
special
focus
applications,
is
also
discussed.
Язык: Английский