Zno-Nanostructured Electrochemical Sensor for Efficient Detection of Glyphosate in Water
Published: Jan. 1, 2025
Glyphosate
is
a
widely
used
broad-spectrum
herbicide
for
controlling
grassy
weeds,
but
its
potential
hazards
remain
topic
of
significant
debate.
Despite
concerns,
glyphosate
still
commonly
highlighting
that
methods
rutine
detection
in
environmental
samples
are
imperatively
required.
Herein,
we
report
on
solid-state
electrochemical
sensor
based
ZnO
nanoparticles
(ZnO
NPs)
on-site
glyphosate.
Accordingly,
NPs
was
drop-cast
the
surface
disposable
screen-printed
carbon
electrode.
Eco-friendly
only
7
nm
crystallite
sizes
were
obtained
by
green
sol-gel
synthesis
using
lemon
(Citrus
limon)
waste
aqueous
extract
as
reducing
and
capping/stabilizing
agent
Zn
nitrate
precursor.
Scanning
electron
microscopy
confirmed
successful
electrode
functionalization
with
synthesized
nanoparticles.
Under
laboratory
conditions
acetate
buffer
(pH
5),
demonstrated
excellent
selectivity
sensitivity,
limit
0.648
µM,
wide
linear
range
(0.5
µM
to
7.5
mM),
rapid
time
30
minutes.
When
tested
river
water,
achieved
0.96
differential
pulse
voltammetry.
It
also
exceptionally
tolerated
interference
from
similar
organophosphorus
compounds
ions
found
water.
The
performance
attributed
strong
coordination
interactions
between
atoms
phosphonate/carboxylate
groups
enhanced
hydrogen
bond
at
acidic
pH,
determined
chemical
calculations.
This
offers
cost-effective,
efficient,
environmentally
friendly
solution
monitoring
water
systems.
Language: Английский
Electronic Sensing Technologies in Food Quality Assessment: A Comprehensive Literature Review
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(3), P. 1530 - 1530
Published: Feb. 3, 2025
This
manuscript
was
prepared
for
the
purpose
of
an
in-depth
analysis
development
electronic
sensors
in
food
quality
assessment.
In
this
study,
following
research
question
asked:
What
are
arguments
assessment?
The
aim
work
to
comprehensively
review
current
scientific
literature
presenting
discussed
issues
and
their
systematization,
as
well
present
prospects,
threats,
applications
testing.
greatest
interest
researchers
lies
use
e-nose.
contrast,
fewer
publications
concerned
e-tongue
applications,
smallest
number
works
e-eye
application.
initial
application
industry
progressed
from
on
identification
single
ingredients
or
properties
creation
increasingly
complex
instruments
that
analyze
areas
characteristics.
Specifically,
e-sensor
has
focused
individual
e-nose,
e-tongue,
devices
not
provided
complete
information
about
food.
is
confirmed
by
high
accuracy
results
regarding
combined
Language: Английский
A Dual Nano-Signal Probe-Based Electrochemical Immunosensor for the Simultaneous Detection of Two Biomarkers in Gastric Cancer
Li-Ting Su,
No information about this author
Zhenqing Yang,
No information about this author
Hua‐Ping Peng
No information about this author
et al.
Biosensors,
Journal Year:
2025,
Volume and Issue:
15(2), P. 80 - 80
Published: Jan. 31, 2025
Detecting
multiple
tumor
markers
is
of
great
importance.
It
helps
in
early
cancer
detection,
accurate
diagnosis,
and
monitoring
treatment.
In
this
work,
gold
nanoparticles–toluidine
blue–graphene
oxide
(AuNPs-TB–GO)
nanoparticles–carboxyl
ferrocene–tungsten
disulfide
(AuNPs–FMC–WS2)
nanocomposites
were
prepared
for
labeling
Carcinoembryonic
antigen
(CEA)
antibody
Carbohydrate
72–4
(CA72-4)
antibody,
respectively,
used
as
two
kinds
probes
with
different
electrochemical
signals.
With
the
excellent
magnetic
performance
biotin
immune
beads
(IMBs),
biofunctional
IMBs
firmly
deposited
on
glassy
carbon
electrode
(MGCE)
surface
by
applying
a
constant
field,
then
CEA
CA72-4
immobilized
avidin–biotin
conjugation.
The
assay
was
based
change
detection
peak
current.
Under
optimum
experimental
conditions,
linear
range
two-component
immunosensor
from
0.01
to
120
ng/mL,
low
limit
0.003
0.05
35
U/mL,
0.016
U/mL.
results
showed
that
proposed
enabled
simultaneous
exhibited
good
reproducibility,
high
selectivity,
sensitivity.
particular,
multiplexed
immunoassay
approach
does
not
require
sophisticated
fabrication
well-suited
high-throughput
biosensing
application
other
areas.
Language: Английский
Rational Design of Triboelectric Materials and Devices for Self‐Powered Food Sensing
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 23, 2024
Against
the
backdrop
of
rapid
advancements
in
5G
and
Internet
Things
(IoT)
technologies,
there
is
an
urgent
need
to
upgrade
food
sensing
systems
achieve
automation,
digitalization,
intelligence.
However,
this
transformation
process
faces
numerous
challenges.
Triboelectric
nanogenerators
(TENGs),
as
emerging
energy
conversion
technology,
play
a
crucial
role
context.
They
not
only
provide
power
functional
devices
but
also
serve
sensors
multifunctional
self-powered
systems,
capable
detecting
various
physical
chemical
information.
This
review
explores
development
TENGs
field
sensing,
focusing
on
working
principles
their
sensing.
The
systematically
organizes
classifies
material
device
designs
used
for
applications.
Based
performance
TENGs,
detailed
introduction
provided
specific
applications
sterilization,
quality
monitoring,
taste
safety.
Finally,
paper
discusses
challenges
corresponding
strategies
field.
aim
further
promote
unmanned
smart
services
management
sector
new
research
perspectives.
Language: Английский
Contaminants Removal and Monitoring: The Role of Hybrid MOFs in Agricultural Advancement and Soil Amendment
Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
The
interest
in
improving
soil
quality
through
innovative
methods
continues
to
grow
sustainable
agriculture.
Despite
the
emergence
of
new
techniques,
there
has
been
limited
research
on
based
metal‐organic
frameworks
(MOFs).
This
review
first
addresses
current
issues
and
agriculture
industry
discusses
recent
approaches
for
quality.
It
then
explores
latest
advancements
MOF‐based
methods,
which
hold
potential
enhance
increase
crop
yields
significantly.
unique
properties
physicochemical
mechanisms
behind
MOFs'
applications
analytical
performance
are
presented,
highlighting
their
more
efficient
cost‐effective
enhancement
solutions.
reveals
that
these
MOF
show
promise
enhancing
processes
such
as
adsorption,
extraction,
analyte
monitoring,
fertilization,
washing,
moisture
sensing.
can
lead
a
future
with
higher
quality,
ensuring
better
food
production
agricultural
industry.
Language: Английский
Diverse energy laser ablation in liquid for indium oxide nanoparticles on porous silicon: enhancing photodetector performance
Wasan Abdulhasan,
No information about this author
Mohammed Rasheed,
No information about this author
Uday M. Nayef
No information about this author
et al.
Journal of Physics Conference Series,
Journal Year:
2024,
Volume and Issue:
2857(1), P. 012058 - 012058
Published: Oct. 1, 2024
Abstract
The
fabrication
and
analysis
of
a
photodetector
using
copper
oxide
nanoparticles
(In2O3-NPs)
embedded
in
porous
silicon
(PS)
structure
are
detailed
this
study.
One
method
used
to
create
In2O3
NPs
was
pulsed
laser
ablation
ethanol
(PLAL),
while
another
photo-assisted
electrochemical
etching
substrate.
optical,
structural,
electrical
features
In2O3-NPs/PS
devices
investigated,
with
particular
emphasis
on
their
variations
energy.
After
successfully
applying
onto
PS,
the
X-ray
diffraction
revealed
presence
distinct
peaks
that
correlate
cubic
structure.
Using
field
emission
scanning
electron
microscopy,
researchers
determined
particles
had
spherical
shape.
Absorption
increased
increasing
intensity,
In2O3-nanocolloids
showed
clear
surface
plasmon
resonance
between
570
590
nm
wavelength
range.
Band
gaps
3.5,
3.4,
3.2,
3.1
eV
were
found
for
In2O3-NPs
generated
at
500,
600,
700,
800
mJ
energy,
according
optical
properties.
According
optoelectronic
properties
photodetector,
it
built
an
energy
level
700
maximum
responsivity
0.2766
A/W
650
nm.
In2O3NPs/PS
discussed
study
have
excellent
photodetecting
performance
because
they
integrate
PS.
Language: Английский