Analytical Chemistry,
Год журнала:
2024,
Номер
96(46), С. 18564 - 18573
Опубликована: Ноя. 7, 2024
One
of
the
most
promising
approaches
to
effectively
modulate
performance
immunochromatography
(ICA)
is
rational
design
nanomaterials.
It
anticipated
facilitate
highly
sensitive
ICA
analysis
by
introducing
and
controlling
internal
defect
structures
Herein,
we
designed
Bi
Analytical Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 9, 2024
Efficient
field
enhancement
effects
through
plasmonic
chemistry
for
ultrasensitive
biosensing
still
face
a
great
challenge.
Herein,
nanoconfinement
engineering
accumulation
and
synergistic
are
used
to
develop
"plasmonic
storms"
strategy
with
high
effect,
gold
nanoparticles
(AuNPs)
as
active
sites
proof
of
concept
because
their
distinctive
localized
surface
plasmon
resonance
neighborly
coupled
electromagnetic
field.
Briefly,
large
number
AuNPs
selectively
accurately
stacked
in
the
confined
nanocavity
bowl-like
nanostructure
an
situ-synthesized
strategy,
which
provides
space
strong
coupling
fields
between
these
adjacent
AuNPs,
forming
enhanced
that
is
3
orders
magnitude
higher
than
free
AuNPs.
The
proposed
nanoconfinement-engineered
demonstrated
by
surface-enhanced
Raman
scattering
(SERS)
photothermal
experiments
theoretically
visualized
finite
element
simulation.
Finally,
colorimetric/SERS/photothermal
immunochromatographic
assay
detect
Chemical Communications,
Год журнала:
2024,
Номер
60(65), С. 8484 - 8496
Опубликована: Янв. 1, 2024
Aggregation-induced
emission
(AIE)-based
POC
detection
is
important
for
diagnosis
of
diseases
and
assessment
the
effectiveness
treatment
programs.
This
review
summarized
advancement
design
application
AIE-based
biosensors.
Analytical Chemistry,
Год журнала:
2024,
Номер
96(45), С. 18204 - 18213
Опубликована: Ноя. 1, 2024
The
lack
of
nanoprobes
with
an
efficient
signal
response
and
overlook
cooperation
between
can
be
responsible
for
the
unsatisfactory
analytical
performance
immunochromatographic
strips
(ITSs).
Herein,
asymmetrical
nanobowl-confined
innumerable
gold
nanoparticles
(AuNPs)
(AuNPs@AFRNBs)
to
enhance
light
absorption
are
developed
quenching
fluorescence
aggregation-induced
emissive
(AIE)
nanosilicons,
which
is
used
construction
a
bidirectional
complementary-enhanced
ITS
(BC-ITS)
ultrasensitively
detect
Chemical Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Molecular
sensors
respond
to
the
presence
of
biological
analytes
by
producing
signals
that
are
either
directly
perceivable
human
sensory
systems
or
converted
into
electric
signals,
which
require
electronic
devices
for
communicating
humans.
Here,
we
review
outputs
molecular
detectable
senses.
According
literature,
with
visual
dominate.
Undeservedly
unnoticed,
release
gases
might
be
particularly
useful
since
gas
output
can
detected
several
senses
in
a
quantifiable
format.
Relatively
new
tactile
accessed
visually
impaired
people.
their
bypassing
may
contribute
development
point-of-care
testing
technologies,
as
well
providing
direct
communication
nanorobots
ABSTRACT
Parathyroid
hormone
(PTH)
is
an
important
factor
in
maintaining
blood
calcium
levels
the
human
body.
Therefore,
monitoring
PTH
essential
for
assessing
various
diseases
progression
and
managing
overall
health.
In
this
study,
a
fluorescence
optical
sensor
based
on
aggregation‐induced
emissive
liquid
crystal
photopolymer
(AIE‐LC‐Poly)
film
was
established
qualitative
quantitative
detection
of
PTH.
The
specific
interaction
between
anti‐PTH
substrate
surface
utilized,
variations
orientation
aggregation
state
fluorescent
LCs
were
evaluated
by
both
optic
means.
limit
using
image
above
10
µg/mL,
while
achieved
much
lower
1
ng/mL.
Additionally,
further
amplified
signals
strengthening
AIE
effect
initiate
state,
enhancing
disturbance
ordered
upon
addition.
Ultimately,
limits
reduced
to
0.01
µg/mL
50
pg/mL
detection.
sensitive
AIE‐LC‐Poly
biosensing
technology
presented
here
sets
stage
develop
LC‐based
biomedical
applications
without
labeling.
Analytical Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 15, 2025
Repurposing
existing
commercial
diagnostic
equipment
to
enable
portable
analysis
of
diverse
targets
is
driving
the
development
affordable
point-of-care
testing
(POCT).
Interestingly,
we
found
that
goat
antimouse
IgG
could
replace
human
chorionic
gonadotropin
(hCG)
make
T
line
pregnancy
test
strips
(PTS)
appear
red
color
and
accordingly
synthesized
a
novel
signal
output
probe,
which
eliminated
intricate
hCG
covalent
coupling
steps,
meet
multiple
needs
expanded
POCT.
Given
this,
introduced
separation-free
universal
POCT
strategy
termed
bioamplifier-equipped
CRISPR-Cas12a
transduction
system
coupled
with
PTS
harness
signal-on
detection
(BE-CATCH).
Specifically,
target
inputs
were
converted
amplified
by
multiplied
strand
displacement
amplification-based
bioamplifier,
thereby
activating
Cas12a's
trans-cleavage
activity.
Then,
activated
Cas12a
would
cleave
connector
indiscriminately,
ultimately
kept
probe
in
free
state;
thus,
be
translated
into
colorimetric
on
PTS.
This
not
only
provided
boosted
sensitivity
specificity
but
also
enhanced
user-friendliness
maintaining
mode.
We
demonstrated
versatility
BE-CATCH
through
selectively
detecting
miR-155
flap
endonuclease
1.
its
broad
adaptability,
provide
an
appealing
option
broaden
application
biomedical
diagnostics.