Nanomaterials,
Год журнала:
2023,
Номер
13(21), С. 2902 - 2902
Опубликована: Ноя. 4, 2023
To
meet
the
increasing
needs
of
point-of-care
testing
in
clinical
diagnosis
and
daily
health
monitoring,
numerous
cutting-edge
techniques
have
emerged
to
upgrade
current
portable
biosensors
with
higher
sensitivity,
smaller
size,
better
intelligence.
In
particular,
due
controlled
locomotion
characteristics
micro/nano
scale,
microrobots
can
effectively
enhance
sensitivity
by
disrupting
conventional
passive
diffusion
into
an
active
enrichment
during
test.
addition,
are
ideal
create
functions
on-demand
delivery,
transportation,
multi-objective
detections
capability
actively
motion.
this
review,
five
types
their
integration
critically
introduced.
Microrobots
detection
signal
fluorescence
intensity
surface-enhanced
Raman
scattering
via
enrichment.
The
existence
quantity
substances
also
affect
motion
state
for
locomotion-based
detection.
realize
indirect
bio-molecules
functionalizing
surfaces
electrochemical
impedance
spectroscopy
detections.
We
pay
a
special
focus
on
roles
performance
sensors.
At
last,
perspectives
future
trends
biosensing
discussed.
Cleaner Water,
Год журнала:
2024,
Номер
1, С. 100018 - 100018
Опубликована: Май 29, 2024
The
world
is
facing
an
alarming
situation
in
terms
of
pollution,
with
water
contamination
being
a
critical
concern
for
scientists
aiming
to
protect
the
ecosystem.
Contaminants
produced
from
municipal,
industrial,
commercial,
and
agricultural
processes,
along
domestic
activities,
pose
serious
threats
aquatic
life
human
welfare.
Addressing
these
pollutants
requires
attention.
Various
physical,
chemical,
biological
approaches
are
used
purification,
each
showing
different
levels
efficacy.
Recent
advancements
wastewater
treatment
techniques,
such
as
Non-Thermal
Plasma
Discharge,
Genetic
Engineering,
Nanotechnology,
CRISPR-Cas9,
Elimination
Emerging
Organic
Pollutants
(EOPs),
use
durable
substrates
Metal-Organic
Frameworks
(MOFs)
covalent
organic
frameworks,
have
shown
promising
results.
For
example,
Nanotechnology
has
demonstrated
removal
efficiency
up
95%
heavy
metals,
while
MOFs
achieved
over
90%
pollutant
degradation.
effectiveness
techniques
varies
depending
on
type
environmental
factors.
Consequently,
selecting
appropriate
method
crucial
achieving
better
cost-effective
outcomes
treatment.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(6), С. 2714 - 2714
Опубликована: Март 18, 2025
We
developed
a
fluorescence
aptamer
sensing
method
based
on
gold
nanoparticles
and
graphene
quantum
dots
for
the
rapid
detection
of
imidacloprid
residues
in
Chinese
herbal
medicines.
In
absence
imidacloprid,
are
dispersed
solution
effectively
quench
intensity
due
to
protective
effect
aptamer.
Because
aptamer’s
specific
recognition
complex
forms
between
two
compounds,
no
longer
protected
by
can
aggregate.
Consequently,
remain
unquenched,
resulting
recovery.
Under
optimal
conditions,
showed
good
linear
relationship
with
concentration
range
100–3
×
104
ng/mL.
The
correlation
coefficient
was
0.9914,
limit
52.42
recoveries
yam,
matrine,
aloe
leaf
were
92.27–101.7%,
relative
standard
deviation
0.45–4.14%.
This
has
potential
field
applications
quantitative
analysis
residue.
Topics in Current Chemistry,
Год журнала:
2025,
Номер
383(2)
Опубликована: Март 23, 2025
Abstract
The
increasing
use
of
pesticides
necessitates
the
development
innovative
analytical
methods
to
regulate
environmental
impacts
and
ensure
food
safety.
Aptamer-based
sensors
hold
great
promise
for
pesticide
detection
owing
their
superior
selectivity,
stability,
repeatability,
regenerative
capabilities.
Integrated
with
nanomaterials,
aptasensors
have
demonstrated
enhanced
sensitivity
detecting
a
broad
range
pesticides.
This
study
first
introduces
aptamer
binding
mechanism
presents
fundamental
concept
justification
selecting
over
other
biorecognition
molecules.
It
then
provides
comprehensive
review
recent
advancements
applications
various
types
targeted
detection,
including
electrochemical,
fluorescent,
colorimetric,
electrochemiluminescent,
surface-enhanced
Raman
scattering
(SERS)
aptasensors.
Additionally,
it
offers
comparative
analysis
different
by
evaluating
strengths
limitations.
Finally,
this
discusses
strategies,
such
as
advanced
Systemic
Evolution
Ligands
Exponential
Enrichment
(SELEX)
technique,
self-assembled
monolayers
(SAMs),
antifouling
agents
improve
aptamer’s
signal-to-noise
ratio,
mitigate
nonspecific
adsorption
challenges.
These
developments
are
essential
creating
highly
sensitive
selective
aptasensors,
facilitating
practical
in
monitoring
