Ultrasensitive Electrochemiluminescence Biosensor with ZIF‐67@MXene as an Efficient Co‐Reaction Accelerator and Plasmonic Nanozyme as a Smart Signal Amplification Probe
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 18, 2024
Abstract
Exploring
novel
electrochemiluminescence
(ECL)
co‐reaction
accelerators
to
construct
ultrasensitive
sensing
systems
is
a
prominent
focus
for
developing
advanced
ECL
sensors.
However,
challenges
still
remain
in
finding
highly
efficient
and
understanding
their
promoting
mechanisms.
In
this
paper,
ZIF‐67@MXene
nanosheet
composites,
with
conductive
in‐plane
structure
confined‐stable
pore/channel,
are
designed
act
as
high‐efficient
achieve
significant
enhancement
the
luminol‐H
2
O
based
system.
Mechanism
investigation
suggests
that
hydroxyl
radicals
(·OH)
singlet
oxygen
(
1
)
can
be
selectively
preferentially
generated
on
due
stable
absorption
of
·OH
,
leading
remarkable
efficiency
luminol
(830%).
Finally,
by
designing
plasmonic
NH
‐MIL‐88@Pd
nanozyme,
an
“on‐off”
switch
immunosensor
constructed
detection
prostate‐specific
antigen
(PSA).
Based
multiple
signal
amplification
effect,
linear
range
PSA
expanded
three
orders
magnitude.
The
limit
also
improved
from
1.44
×
10
−11
9.1
−13
g
mL
−1
.
This
work
proposes
effective
method
preparation
provides
new
strategy
sensitive
cancer
markers.
Язык: Английский
Electrochemiluminescence Microscopy in Nano‐Electrochemistry Research: Unraveling the Underlying Principles, Tracing the Evolutionary Developments, and Charting the Prospective Trajectories
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 12, 2025
Abstract
Electrochemical
technology
provides
unique
opportunities
to
create
an
environment‐friendly
and
sustainable
chemical
industry.
Nano‐electrochemistry
offers
valuable
insights
into
the
comprehension
of
electrochemical
mechanisms
behaviors
at
nanoscale,
as
opposed
complex
ensemble
systems.
Despite
use
various
analytical
tools,
such
nanopore
scanning
probe
microscopy,
for
nano‐electrochemical
research,
direct
operando
high‐throughput
spatially
resolved
measurements
remain
challenging.
Electrochemiluminescence
(ECL)
is
reactions‐dependent
luminescence
process
without
external
light
sources.
Coupled
with
a
microscopy
configuration,
novel
imaging
methodology
ECL
(ECLM),
developed.
ECLM,
due
its
distinctive
mode,
holds
considerable
potential
in
field
nano‐electrochemistry.
This
review
will
initially
present
overview
basic
principles
ECL.
The
next
section
describe
design
ECLM
apparatus
discuss
diverse
applications
Finally,
challenges
outline
prospects
further
development
technique
summarized.
Язык: Английский
Aggregation-induced electrochemiluminescence probe detects poisoning NOx for unveiling Pt catalyst deactivation and halogen ion activation effects during ammonia electro-oxidation
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 161608 - 161608
Опубликована: Март 1, 2025
Язык: Английский
The Improved Covalent Coupling Induced by Bi Cations in CoBiSex Nanosheet Arrays for Stable Water Electrolysis
Inorganic Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 25, 2025
Transition
metal
selenides
(TMSes)
with
high
electrical
conductivity,
easily
regulated
morphological
structure,
and
unique
electronic
structure
have
been
explored
as
promising
electrocatalysts
for
electrolytic
water,
while
the
lower
intrinsic
electrocatalytic
capability
has
limited
their
wide
application.
Herein,
we
obtained
CoSe
nanosheet
arrays
Bi
cations
incorporation
(CoBiSex
arrays)
driven
by
spinel
oxides.
Compared
oxides,
low
electronegativity
of
Se
in
CoBiSex
leads
to
a
portion
Co2+
spin
states
(t2g6eg1)
due
covalent
interaction
between
Co
Se,
which
can
facilitate
charge
transfer.
Density
functional
theory
(DFT)
calculation
results
further
identify
redistribution
electron
density
from
Co,
intensifying
adsorption
OOH*
during
water
process
140
h
robust
catalytic
performance.
This
work
offers
strategy
exploring
TMSe
materials
potential
applications
process.
Язык: Английский
Identifying In Situ Activity and Selectivity of Oxygen Reduction Catalysts at the Subparticle Level
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 6, 2025
Oxygen
reduction
reaction
(ORR)
plays
a
crucial
role
in
both
the
chemical
and
energy
industries.
Despite
substantial
advancements
theoretical,
computational,
experimental
studies,
identifying
situ
activity
selectivity
ORR
electrocatalysis
remains
major
challenge.
Here,
using
suite
of
correlative
operando
scanning
electrochemical
probe
electrochemiluminescence
microscopy
techniques,
we
establish
link
between
morphological
structure
local
single
Au
Au@Pt
platelets
at
subparticle
level.
It
is
clearly
shown
that
edge
facets
exhibit
higher
for
4e-
compared
to
basal
planes,
whereas
planes
demonstrate
superior
2e-
relative
facets.
These
findings
deepen
our
understanding
across
different
level,
which
offers
valuable
guidance
rational
design
highly
efficient
electrocatalysts.
Язык: Английский
Measuring and Regulating the Reaction Layer for Enhanced Electrochemiluminescence Analysis
ACS electrochemistry.,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 12, 2025
Язык: Английский
Bimetallic AgCu Microspheres based Electrochemical Sensor for Dopamine and Antibacterial Activity
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
13(3), С. 117212 - 117212
Опубликована: Май 20, 2025
Язык: Английский
Rapid Size Determination of Quasispherical Gold Nanoparticles by Electrocatalysis Efficiency-Regulated Electrochemiluminescence
Analytical Chemistry,
Год журнала:
2024,
Номер
96(44), С. 17689 - 17697
Опубликована: Окт. 23, 2024
The
size
of
gold
nanoparticles
(AuNPs)
largely
decides
their
properties
and
applications,
making
the
rapid
screening
AuNP
important.
Despite
fact
that
AuNP-amplified
electrochemiluminescence
(ECL)
is
widely
used
in
various
ECL
sensing
mechanism
enhancement
remains
elusive,
especially
quantitative
relationship
between
enhanced
intensity
AuNPs.
In
this
work,
taking
quasispherical
citrate-stabilized
AuNPs
as
model
nanoparticles,
we
have
reported
S
Язык: Английский
Nanostructure Impact on Electrocatalysis in Gold Nanodimers via Electrochemiluminescence Microscopy
Chemical Communications,
Год журнала:
2024,
Номер
60(76), С. 10556 - 10559
Опубликована: Янв. 1, 2024
An
exploration
of
enhanced
electrocatalysis
mechanism
gold
nanodimers
via
electrochemiluminescence
microscopy
is
proposed.
Язык: Английский
Probing Single-Particle Electrocatalytic Stability: Electrogenerated Chemiluminescence Imaging of Nanoparticle Array
Zhouzhou Zhu,
Xiangfu Hu,
Ying Wei
и другие.
The Journal of Physical Chemistry Letters,
Год журнала:
2024,
Номер
unknown, С. 12228 - 12233
Опубликована: Дек. 5, 2024
Understanding
the
stability
of
single
nanoparticles
is
crucial
for
optimizing
their
performance
in
various
applications,
including
catalysis.
In
this
study,
we
employed
electrochemiluminescence
(ECL)
imaging
to
investigate
temporal
individual
Au
and
Pt
within
precisely
engineered
arrays.
Our
results
reveal
significant
differences
NPs.
While
both
exhibit
initial
decay
due
diffusion
limitations,
NPs
undergo
more
rapid
degradation,
attributed
surface
oxidation
detachment.
contrast,
demonstrate
much
better
with
little
oxidation.
This
study
provides
valuable
insights
into
fundamental
behavior
single-NP
electrocatalysis
highlights
potential
ECL
as
a
powerful
tool
unraveling
complex
dynamics
nanoscale
systems.
Язык: Английский