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
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
In
this
review,
a
comprehensive
summation
of
the
heterojunction
types,
synthesis
methodologies,
engineering
approaches,
and
potential
photocatalytic
applications
pertaining
to
g-C
3
N
4
/ZnIn
2
S
heterojunctions
has
been
presented
in-depth
discussed.
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 30, 2025
The
development
of
highly
sensitive
detection
methods
for
bioanalysis
is
crucial
early
disease
diagnosis.
Electrochemical
biosensing
technology
offers
unique
advantages
in
this
area
due
to
its
rapid
response,
high
sensitivity,
and
low
cost.
However,
achieving
efficient
transfer
signaling
molecules
the
electrode
interface
facilitate
effective
interaction
between
signal
sensing
surface
remains
a
critical
challenge
ultrasensitive
electrochemical
detection.
In
study,
we
discovered
that
single-stranded
DNA-modified
magnetic
nanoprobes
(signal
probe
A)
subjected
cryogenic
treatment
can
rapidly
form
an
orderly
monolayer
at
under
external
field,
while
phenomenon
was
not
observed
with
double-stranded
B).
Building
on
finding,
developed
protective
complementary
strand
B)
that,
upon
target
molecules,
converted
into
A.
This
transformation,
combined
treatment,
enables
molecules.
Using
miRNA-21
carcinoembryonic
antigen
(CEA)
as
model
targets,
optimized
conditions,
limit
3.4
aM
0.28
fg/mL
CEA
excellent
versatility.
summary,
study
introduces
efficient,
rapid,
enzyme-free,
environmentally
friendly
amplification
strategy.
approach
only
provides
innovative
solution
but
also
new
insights
enhancing
molecule–sensor
interactions
biosensors.
