Electrochemistry,
Journal Year:
2024,
Volume and Issue:
92(10), P. 101007 - 101007
Published: Aug. 6, 2024
The
coupling
between
bipolar
electrochemistry
and
electrochemiluminescence
(ECL)
technologies
has
resulted
in
a
fascinating
field
of
the
academic
research,
because
advantages
both
techniques
are
often
emphasized
their
combined
form.For
instance,
light
emission
resulting
from
an
electrochemical
reaction
typical
ECL
process
can
be
exploited
for
reporting
redox
events
occurring
on
wireless
electrode
(BPE).After
introducing
concept
electrochemiluminescence,
this
comprehensive
paper
summarizes
most
recent
research
results
author
aforementioned
area
at
Tokyo
Institute
Technology
during
her
multi-year
stay
as
overseas
researcher.These
include
development
analytical
tool
based
imaging
to
map
potential
distribution
different
types
cells,
characterization
conducting
polymer
materials
ability
promote
reaction.Such
findings
assessed
relation
current
literature
scenario,
whereas
future
perspectives
also
discussed
end
manuscript.
ACS Sensors,
Journal Year:
2023,
Volume and Issue:
8(4), P. 1529 - 1535
Published: March 24, 2023
Design
and
exploitation
of
high-property
multifunctional
emitters
for
achieving
immobilization-free,
label-free,
enzyme-free,
dual-mode
determination
microRNA
(miRNA)
with
high
sensitivity
selectivity
are
particularly
urgent
but
remain
a
huge
challenge.
Herein,
the
first
time,
we
reported
an
Ir3+-based
N-heterocyclic
complex,
namely,
IrPyPt,
ascertained
its
phosphorescence
electrochemiluminescence
(ECL)
dual-emission
behavior
in
homogeneous
solution,
discovered
turn-up
signal-off
ECL
response
to
G-quadruplex
DNA
over
other
DNAs.
Inspired
by
this,
IrPyPt
was
pioneered
as
emitter
combine
nucleic
acid
probes
(ON1
ON2)
developing
biosensor,
which
applied
highly
sensitive,
credible
analysis
miRNA-21
used
target
analyte.
triggered
hybridization
chain
reaction
ON1
ON2
generate
abundant
G-quadruplexes,
caught
yield
IrPyPt@G-quadruplex,
intramolecular
rotary
motion
inhibited
unable
diffuse
electrode,
contributing
boosted
emission
sharply
declined
emission.
With
this
design,
achieved
limits
detection
down
1.40
0.18
pM,
respectively.
Furthermore,
biosensor
triumphantly
determine
concentration
cancer
cell
lysates
thus
provided
great
potential
alternative
miRNA-related
diseases'
early
accurate
diagnosis.
Angewandte Chemie International Edition,
Journal Year:
2022,
Volume and Issue:
62(7)
Published: Dec. 12, 2022
A
single-molecule
electrochemiluminescence
bioassay
is
developed
here
which
allows
imaging
and
direct
quantification
of
single
biomolecules.
Imaging
biomolecules
realized
by
localizing
the
events
labeled
molecules.
Such
an
system
mapping
spatial
distribution
with
contains
quantitative
insights.
We
further
quantify
spatiotemporally
merging
repeated
reactions
at
one
molecule
site
then
counting
clustered
The
proposed
used
to
detect
carcinoembryonic
antigen,
showing
a
limit
detection
67
attomole
concentration
10
000
times
better
than
conventional
bioassays.
This
resolution
sensitivity
enable
new
toolbox
for
both
specific
bioimaging
ultrasensitive
analysis.
Analytical Chemistry,
Journal Year:
2022,
Volume and Issue:
94(47), P. 16361 - 16368
Published: Nov. 16, 2022
The
unstoppable
spread
of
severe
acute
respiratory
syndrome
coronavirus
2
(SARS-CoV-2)
has
severely
threatened
public
health
over
the
past
years.
current
ubiquitously
accepted
method
for
its
diagnosis
provides
sensitive
detection
virus;
however,
it
is
relatively
time-consuming
and
costly,
not
to
mention
need
highly
skilled
personnel.
There
a
clear
develop
novel
computer-based
diagnostic
tools
provide
rapid,
cost-efficient,
time-saving
in
places
where
massive
traditional
testing
practical.
Here,
we
an
electrochemiluminescence
(ECL)-based
system
whose
results
are
quantified
as
reverse
transcriptase
polymerase
chain
reaction
(RT-PCR)
cyclic
threshold
(CT)
values.
A
concentration-dependent
signal
generated
upon
introduction
virus
electrode
recorded
with
smartphone
camera.
ECL
images
used
train
machine
learning
algorithms,
model
using
artificial
neural
networks
(ANNs)
45
samples
was
developed.
demonstrated
more
than
90%
accuracy
50
unknown
real
samples,
detecting
up
CT
value
32
limit
(LOD)
10–12
g
mL–1
samples.
Acta Materialia,
Journal Year:
2024,
Volume and Issue:
266, P. 119671 - 119671
Published: Jan. 12, 2024
In
this
work,
four
different
techniques
were
concurrently
applied
to
study
the
interplay
between
local
electroactivity
and
electrode
surface
characteristics
of
free-standing,
polycrystalline
boron-doped
diamond
(BDD).
Scanning
electron
microscopy,
back-scatter
diffraction,
Raman
mapping
scanning
electrochemical
microscopy
used
probe
morphology,
grain
orientation
boundaries,
composition,
activity,
respectively.
Both
nucleation
growth
BDD
surfaces
together
with
cross-section
area
carefully
investigated
for
first
time
in
a
single
using
combination
all
techniques.
This
enabled
us
obtain
significant
insights
into
highly
heterogeneous
nature
material.
Notably,
boron
dopants
confirmed
be
non-uniformly
distributed
over
material,
which
is
characterized
by
distinct
columnar
structure
composition
grains
various
orientations.
Particularly,
highest
activity
was
recorded
on
doped
(111)
crystal
orientation.
contrast,
averagely
(100)-oriented
facet
showed
non-conductive
nature.
highlights
that
strongly
grain-dependent
most
factors
governing
obtained
responses
are
crystallographic
doping.
Moreover,
increased
sp2
carbon
content
boundary
regions
recognized
mapping.
However,
such
localized
enrichment
impurities
did
not
translate
enhanced
implies
atoms
at
inter-grain
areas
predominantly
inactive.
Finally,
it
crucial
consider
including
orientation,
particularly
relevant
if
micro-
nanoscale
probing
intended.
Microchimica Acta,
Journal Year:
2024,
Volume and Issue:
191(6)
Published: May 31, 2024
Electrogenerated
chemiluminescence
(ECL)
stands
out
as
a
remarkable
phenomenon
of
light
emission
at
electrodes
initiated
by
electrogenerated
species
in
solution.
Characterized
its
exceptional
sensitivity
and
minimal
background
optical
signals,
ECL
finds
applications
across
diverse
domains,
including
biosensing,
imaging,
various
analytical
applications.
This
review
aims
to
serve
comprehensive
guide
the
utilization
Beginning
with
brief
exposition
on
theory
basis
generation,
we
elucidate
systems
employed
initiate
ECL.
Furthermore,
delineate
principal
utilized
for
generation
contexts,
elucidating
both
advantages
challenges
inherent
their
use.
Additionally,
provide
an
overview
different
electrode
materials
novel
ECL-based
protocols
tailored
purposes,
specific
emphasis
biosensing
Electrochimica Acta,
Journal Year:
2024,
Volume and Issue:
489, P. 144256 - 144256
Published: April 9, 2024
Electrochemiluminescence
(ECL),
an
intriguing
luminescent
phenomenon
induced
by
electrochemical
stimulation,
has
evolved
from
studying
electron
transfer
reactions
to
a
powerful
analytical
method
and
imaging
technique.
ECL
can
be
generated
through
annihilation
or
co-reactant
methods,
with
recent
advancements
integrating
it
into
devices
for
diverse
applications.
This
review
traces
the
evolution
of
its
early
applications
developments
in
technology.
Notably,
utilization
charge-coupled
(CCD)
multiplying
(EMCCD)
microscopy
revolutionized
capabilities,
making
cost-effective
option
point-of-care
testing.
The
explores
heterogeneous
mechanism,
emphasizing
limitations
challenges
visualizing
objects
away
electrode
surface.
synergy
between
is
highlighted,
showcasing
contributions
understanding
mechanisms
improving
use
biological
contexts.
Finally,
encapsulates
innovative
approaches
material
design,
surface
modification,
architecture,
providing
comprehensive
overview
strategies
control
active
layer
advance
microscopy.
Sensors & Diagnostics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Herein,
we
review
the
recent
developments
and
applications
of
ECL
for
immunosensing
in
different
areas,
such
as
detection
biomarkers,
bead-based
bacteria
cell
analysis,
provide
future
perspectives
new
developments.