Ultrasensitive Avs-Free Electrochemical Sensor for Cu2+ Based on its Specific Catalytic Etching to Cytosine-Rich Oligonucleotide Templated Silver Nanoparticles
Опубликована: Янв. 1, 2025
The
development
of
reliable
and
highly
sensitive
copper
ions
(Cu2+)
detection
technologies
is
crucial
for
both
environmental
conservation
health
surveillance.
Herein,
we
introduce
an
innovative
electrochemical
sensing
approach
Cu2+,
leveraging
their
unique
catalytic
etching
capability
towards
a
cytosine-rich
oligonucleotide
(CRO)-templated
silver
nanoparticles
(AgNPs).
thiolated
CRO
was
assembled
onto
the
Au
electrode
through
Au-S
bond.
Subsequently,
AgNPs
were
generated
by
in-situ
chemical
reduction
Ag+,
which
pre-absorbed
on
via
cytosine-Ag+-cytosine
(C-Ag+-C)
structure.
results
demonstrated
that
Cu2+
can
markedly
speed
up
AgNPs,
in
turn
reduces
solid-state
response
AuNPs.
This
allows
within
wide
concentration
range
from
0.1
pM
to
1.0
nM,
with
impressively
low
limit
0.03
pM.
practicality
this
method
has
been
validated
its
successful
application
analyzing
levels
actual
water
samples.
Язык: Английский
A novel electrochemical sensing platform for the specific detection of Zn2+ ion
Microchemical Journal,
Год журнала:
2025,
Номер
unknown, С. 112919 - 112919
Опубликована: Янв. 1, 2025
Язык: Английский
C-ZIF-8 modified NiO photocathode and enhanced photosensitizer signal amplification for ultra-sensitive photoelectrochemical detection of lead ions
Zhaona Zhang,
Juan Wang,
Siru Guo
и другие.
Analytical Methods,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
C-ZIF-8
enhanced
the
NiO
photocathode
current
by
reducing
bandgap,
promoting
charge
transfer,
and
increasing
load
of
sensitizer,
achieving
ultra-sensitive
detection
Pb
2+
.
Язык: Английский
A new Z-scheme heterostructure of 3D zinnia flower-like ZnIn2S4/Au/In2S3 rod derived from In-MOF for sensitive Cr6+ assay based on redox process-induced photocurrent alteration
Electrochimica Acta,
Год журнала:
2025,
Номер
unknown, С. 146341 - 146341
Опубликована: Апрель 1, 2025
Язык: Английский
Ion exchange reaction–mediated highly sensitive and selective photoelectrochemical assay of Hg(II) based on indirect Z-scheme heterostructure of TiO2 NPs/Au/3D tremella-like ZnIn2S4
Microchimica Acta,
Год журнала:
2025,
Номер
192(6)
Опубликована: Май 25, 2025
Язык: Английский
Future prospects, challenges and opportunities in detecting heavy metal ions in water
Journal of Water Process Engineering,
Год журнала:
2025,
Номер
75, С. 107992 - 107992
Опубликована: Май 26, 2025
Язык: Английский
Innovative Electrochemical Sensors for Pesticide Residue Detection: Nanomaterials, Miniaturization, and Intelligent Data Analysis
The Chemical Record,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 29, 2025
The
increasing
use
of
pesticides
in
agriculture
has
raised
concerns
over
their
residues
food
products,
necessitating
the
development
effective
detection
methods
to
ensure
consumer
safety
and
environmental
sustainability.
This
review
covers
cutting‐
edge
advances
electrochemical
sensors
for
pesticide
residue
detection,
emphasizing
significance
addressing
limitations
traditional
methods.
authors
summarize
recent
progress
sensor
materials
enhancing
sensitivity
selectivity,
including
metal‐organic
frameworks,
single‐atom
materials,
MXene‐based
conductive
polymers
so
on.
highlights
miniaturization
portability,
enabling
on‐site
real‐time
monitoring
through
integration
with
microfluidic
devices
wearable
technology.
It
discusses
challenges
strategies
simultaneous
multiple
enhance
efficiency.
influence
factors
on
performance
is
analyzed,
adaptive
technologies
are
proposed
stabilize
under
varying
conditions.
Moreover,
big
data
artificial
intelligence
sensing
examined,
showing
its
potential
intelligent
analysis
automation.
concludes
by
identifying
current
future
directions
residues,
suggesting
that
innovative
hold
promise
transforming
protection.
Язык: Английский