Ultra-high sensitivity electrochemical aptamer biosensor based on a carbon nano-confined interface for the detection of aflatoxin B1 in traditional chinese materia medica decoction pieces
B. Liu,
No information about this author
Long‐Yue Meng,
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Li Han
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et al.
Carbon letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
Language: Английский
Fluorescent nanosensors for detection of microbial toxins in food matrices: a review
Harpreet Singh,
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Dinesh Kumar,
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Akash Deep
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et al.
Journal of Food Measurement & Characterization,
Journal Year:
2024,
Volume and Issue:
18(9), P. 7669 - 7699
Published: July 27, 2024
Language: Английский
Leveraging Concentration Imbalance-Driven DNA Circuit as an Operational Amplifier to Enhance the Sensitivity of Hepatitis B Virus DNA Detection with Hybridization-Responsive DNA-Templated Silver Nanoclusters
Suo Lv,
No information about this author
Qunyan Yao,
No information about this author
Jiasheng Yi
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et al.
JACS Au,
Journal Year:
2024,
Volume and Issue:
4(6), P. 2323 - 2334
Published: May 31, 2024
Hepatitis
B
virus
(HBV)
infection
remains
a
major
global
health
concern,
necessitating
the
development
of
sensitive
and
reliable
diagnostic
methods.
In
this
study,
we
propose
novel
approach
to
enhance
sensitivity
HBV
DNA
detection
by
leveraging
concentration
imbalance-driven
circuit
(CIDDC)
as
an
operational
amplifier,
coupled
with
hybridization-responsive
DNA-templated
silver
nanocluster
(DNA-AgNCs)
nanoprobe
named
Q·C6-AgNCs.
The
CIDDC
system
effectively
converts
amplifies
input
into
enriched
generic
single-stranded
output,
which
subsequently
triggers
fluorescence
DNA-AgNCs
reporter
upon
hybridization,
generating
measurable
signal
for
detection.
By
incorporating
circuit,
not
only
achieved
enhanced
lower
limit
0.11
nM
but
also
demonstrated
high
specificity
single-base
mismatch
discriminability
Additionally,
mix-and-detect
assay
format
is
simple,
user-friendly,
isothermal.
This
innovative
strategy
holds
promise
advancing
molecular
diagnostics
facilitating
effective
management
HBV-related
diseases.
Language: Английский
A fluorescent aptasensor for kanamycin detection in milk, seafood and water samples using DNA-AgNCs and exonuclease I-assisted recycling amplification strategy
Dong Xu,
No information about this author
Lei Shan,
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Guo Bei
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et al.
Food Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown, P. 143291 - 143291
Published: Feb. 1, 2025
Language: Английский
Emerging applications of biorecognition elements-based optical biosensors for food safety monitoring
Published: Feb. 14, 2025
Language: Английский
A Ratiometric Fluorescence Detection Method for Berberine Using Triplex-Containing DNA-Templated Silver Nanoclusters
Ming Zhu,
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Mingyang Sun,
No information about this author
Juntong Liu
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et al.
Published: June 17, 2024
Berberine
(BBR),
as
a
natural
isoquinoline
alkaloid,
has
been
demonstrated
various
pharmacological
activities,
and
widely
applied
in
the
treatment
of
diseases.
The
quantitative
analysis
BBR
is
important
for
its
researches
clinical
applications.
In
work,
utilizing
specific
interaction
between
triplex
DNA,
sensitive
selective
fluorescent
detecting
method
was
established
with
DNA-templated
silver
nanoclusters
(DNA-AgNCs).
After
binding
structure
template
DNA-AgNCs,
quenched
fluorescence
DNA-AgNCs
formed
BBR-triplex
complex
yellow-green
fluorescence.
ratiometric
signal
showed
linear
relationship
concentration
range
10
nM
to
1000
nM,
detect
limit
nM.
Our
exhibited
excellent
sensitivity
selectivity,
it
further
detection
real
samples.
Language: Английский
DNA-Templated Fluorescent Metal Nanoclusters and Their Illuminating Applications
Nanoscale,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
After
the
discovery
of
DNA
during
mid-20
th
century,
a
multitude
novel
methodologies
have
surfaced
which
exploit
for
its
various
properties.
Language: Английский
A Ratiometric Fluorescence Detection Method for Berberine Using Triplex-Containing DNA-Templated Silver Nanoclusters
Molecules,
Journal Year:
2024,
Volume and Issue:
29(15), P. 3459 - 3459
Published: July 24, 2024
Berberine
(BBR),
as
a
natural
isoquinoline
alkaloid,
has
demonstrated
various
pharmacological
activities,
and
is
widely
applied
in
the
treatment
of
diseases.
The
quantitative
analysis
BBR
important
for
studies
clinical
applications.
In
this
work,
utilizing
specific
interaction
between
triplex
DNA,
sensitive
selective
fluorescent
detecting
method
was
established
with
DNA-templated
silver
nanoclusters
(DNA-AgNCs).
After
binding
structure
template
DNA-AgNCs,
quenched
fluorescence
DNA-AgNCs
formed
BBR-triplex
complex
yellow-green
fluorescence.
ratiometric
signal
showed
linear
relationship
concentration
range
from
10
nM
to
1000
nM,
detection
limit
nM.
Our
exhibited
excellent
sensitivity
selectivity,
further
real
samples.
Language: Английский
Recent Advances of Strategies and Applications in Aptamer-Combined Metal Nanocluster Biosensing Systems
K. H. Kim,
No information about this author
Sang-Ho Kim,
No information about this author
Seung Min Yoo
No information about this author
et al.
Biosensors,
Journal Year:
2024,
Volume and Issue:
14(12), P. 625 - 625
Published: Dec. 18, 2024
Metal
nanoclusters
(NCs)
are
promising
alternatives
to
organic
dyes
and
quantum
dots.
These
NCs
exhibit
unique
physical
chemical
properties,
such
as
fluorescence,
chirality,
magnetism
catalysis,
which
contribute
significant
advancements
in
biosensing,
biomedical
diagnostics
therapy.
Through
adjustments
composition,
size,
environments
surface
ligands,
it
is
possible
create
with
tunable
optoelectronic
catalytic
activity.
This
review
focuses
on
the
integration
of
aptamers
metal
NCs,
detailing
molecular
detection
strategies
that
utilise
effect
optical
signal
emission
NC-based
biosensing
systems.
also
highlights
recent
applications,
well
illustrative
case
studies.
To
conclude,
strengths,
limitations,
current
challenges
prospects
for
systems
were
examined.
Language: Английский