Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Although
the
construction
of
heterojunction
has
been
used
in
photoelectrochemical
(PEC)
biosensors,
their
potential
for
tunable
optical
properties
not
deeply
explored.
Based
on
fact
that
a
type-II
and
Z-scheme
have
same
energy
band
structure,
effective
alteration
electron
transfer
pathway
achieved
by
introducing
unique
photoactive
materials
into
system
exploiting
interactions
between
photomaterials.
this,
we
reported
novel
polarity-switchable
dual-mode
sensor
fat
mass
obesity-associated
(FTO)
protein
analysis.
Specifically,
MgIn
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(35), P. 14283 - 14290
Published: Aug. 23, 2024
Innovative
signal
amplification
and
transduction
play
pivotal
roles
in
bioanalysis.
Herein,
cascading
CRISPR/Cas
the
nanozyme
are
integrated
with
electronic
an
organic
photoelectrochemical
transistor
(OPECT)
to
enable
triple
amplification,
which
is
exemplified
by
miRNA-triggered
CRISPR/Cas13a
system
polyoxometalate
for
OPECT
detection
of
miRNA-21.
The
CRISPR/Cas13a-enabled
release
glucose
oxidase
could
synergize
peroxidase-like
SiW12
induce
catalytic
precipitation
on
photogate,
inhibiting
interfacial
mass
transfer
thus
significant
suppression
channel
current.
as-developed
sensor
demonstrates
good
sensitivity
selectivity
miRNA-21
detection,
a
linear
range
from
1
fM
10
nM
ultralow
limit
0.53
fM.
This
study
features
integration
bio-
nanoenzyme
cascade
detection.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(17), P. 2283 - 2300
Published: Jan. 1, 2024
Two-dimensional
carbon
nitride
(C
x
N
y
)
-based
heterojunctions
have
attracted
extensive
attention
in
hydrogen
energy
development,
environmental
remediation,
optoelectronic
devices,
and
storage
due
to
its
excellent
physical
chemical
properties.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(29), P. 11985 - 11996
Published: July 11, 2024
Accelerating
the
migration
of
interfacial
carriers
in
heterojunctions
is
crucial
for
achieving
highly
sensitive
photoelectrochemical
(PEC)
sensing.
In
this
study,
we
developed
three-dimensional
(3D)/two-dimensional
(2D)
CuInS