Recent advances in localized surface plasmon resonance (LSPR)-based colorimetric and fluorescent nanosensors for the detection of organophosphorus pesticides
Mahdieh Sheikh,
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Hajar Shekarchizadeh
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Journal of Food Composition and Analysis,
Journal Year:
2025,
Volume and Issue:
unknown, P. 107653 - 107653
Published: April 1, 2025
Language: Английский
Innovative voltammetric techniques for bumadizone analysis in pharmaceutical and biological samples: emphasizing green, white, and blue analytical approaches
Khadiga M. Kelani,
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Ragab Said,
No information about this author
Mohammad A. El-Dosoky
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et al.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 27, 2024
Abstract
There
are
no
documented
electroanalytical
methods
for
quantifying
the
anti-inflammatory
drug
bumadizone
(BUM)
in
pharmaceutical
or
biological
matrices.
So,
a
new
voltammetric
method
was
developed
to
determine
BUM
at
nano
concentrations
forms,
presence
of
its
alkaline
degradant,
and
fluids.
Five
electrodes
were
tested,
including
three
nano-reduced
graphene
oxide
(nRGO)
(5%,
15%,
20%),
carbon
paste
electrode
(CPE),
10%
nRGO-modified
CPE.
The
showed
best
performance,
offering
high
selectivity
low
detection
limits,
with
good
linearity
concentration
range
0.9
×
10
2
15
ng
mL
−1
.
Differential
pulse
voltammetry
successfully
applied
this
determination
various
samples,
achieving
excellent
recovery
without
preliminary
separation.
validated
according
ICH
guidelines
compared
favorably
reference
method.
Its
environmental
impact
assessed
using
AGREE
Eco-scale
metrics
addition
RGB
algorithm,
showing
superior
greenness
whiteness
profiles
due
safer
solvents
lower
energy
consumption,
along
practical
effectiveness
BAGI
metric.
Language: Английский
Optimizing and Predicting Performance of Dual-Side Polished SPR Photonic Crystal Fiber using MLR and ANN Models
Plasmonics,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 12, 2024
Language: Английский
Light-Sheet Skew Ray-Based Microbubble Chemical Sensor for Pb2+ Measurements
Sensors,
Journal Year:
2024,
Volume and Issue:
24(21), P. 6785 - 6785
Published: Oct. 22, 2024
A
multimode
fiber-based
sensor
is
proposed
and
demonstrated
for
the
detection
of
lead
traces
in
contaminated
water.
The
sensing
mechanism
involves
using
a
light
sheet
to
excite
specific
group
skew
rays
that
optimizes
absorption.
region
features
an
inline
microbubble
structure
funnels
into
tight
ring,
thereby
intensifying
evanescent
field.
sensitivity
further
refined
by
incorporating
gold
nanoparticles,
which
amplify
field
strength
through
localized
surface
plasmon
resonance.
nanoparticles
are
functionalized
with
oxalic
acid
improve
specificity
ion
detection.
Experiment
results
significantly
enhanced
absorption
method
large
center
offsets,
achieving
limit
0.1305
ng/mL
(the
World
Health
Organization
safety
10
ng/mL)
concentrations
ranging
from
0.1
ng/mL.
Language: Английский
Toxicology of Nanomaterials With a Special Focus on the Nervous System
Advances in medical diagnosis, treatment, and care (AMDTC) book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 27 - 64
Published: Oct. 11, 2024
Nanomaterials
possess
different
properties
that
make
them
suitable
for
application
in
numerous
fields.
Nonetheless,
their
toxicity,
especially
neurotoxic
propensity,
is
a
considerable
area
of
investigation.
In
this
chapter,
nanomaterial
neurotoxicity
reviewed
detail,
with
an
emphasis
on
assessing
levels
exposure
or
routes
entry
to
brain
cells,
mechanisms
by
which
they
cause
damage,
and
specific
types
damage.
addition,
vitro,
ex
vivo,
vivo
models
used
measure
are
described.
This
chapter
provides
discussion
matter
considering
challenges
terms
characterization,
risk
assessment,
regulatory
aspects.
concludes
underscoring
the
importance
toxicological
prediction
safe-by-design
solutions.
Future
research
should
address
long-term
effects
using
nanomaterials
means
preventing
neurotoxicity.
Language: Английский