Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 30, 2025
Field
analysis
of
heavy
metals
in
biological
samples
is
essential
for
assessing
their
potential
threats
to
human
health.
The
development
portable
pretreatment
and
detection
devices
crucial
address
this
challenge.
Herein,
a
magnetic
field-accelerated
nonthermal
plasma
digestion
device
using
dielectric
barrier
discharge
(DBD)
designed
the
rapid
environmentally
friendly
subsequently
combined
with
point
discharge-optical
emission
spectrometry
(PD-OES)
sensitive
determination
metals.
With
assistance
field,
DBD
batch
six
H2O
+
H2O2
HNO3
system
can
be
completed
within
25-40
min,
achieving
efficiencies
92-99%.
application
field
enhances
electron
density,
excitation
temperature,
current,
power
plasma,
thereby
reducing
time
by
40-69%.
solution
directly
performed
miniature
injection-detector
based
on
hydride
generation-PD-OES.
Under
optimized
conditions,
limits
Pb,
Sb,
Sn,
Bi
are
2.4-8.2
μg
L-1
(0.048-0.16
mg
kg-1),
precisions
<5%.
accuracy
practicability
present
verified
measuring
several
certified
reference
materials,
including
GBW10023
(laver)
GBW10044
(rice),
real
rice,
laver,
fish,
milk,
blood
samples.
its
advantages
environmental
sustainability,
short
time,
compact
size,
lightweight
design,
provides
simple
efficient
tool
toxic
elements
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 15, 2024
Metal-organic
frameworks
(MOFs)
are
composed
of
metal
nodes
and
organic
linkers
that
can
self-assemble
into
an
infinite
network.
The
high
porosity
large
surface
area
MOFs
facilitate
the
effective
enrichment
mass
transfer
analytes,
which
enhance
signal
response
improve
sensitivity
electrochemical
sensors.
Additionally,
their
derivatives
possess
properties
unsaturated
sites
tunable
structures,
collectively
demonstrating
potential
for
sensing.
This
paper
summarizes
preparation
methods,
structural
properties,
applications
in
sensing,
emphasizing
sensors'
selectivity
from
perspectives
direct
indirect
detection.
it
also
explores
future
directions
prospects
with
aim
overcoming
current
limitations
through
innovative
approaches.
Metals,
Journal Year:
2025,
Volume and Issue:
15(1), P. 80 - 80
Published: Jan. 17, 2025
Heavy
metal
pollution
has
become
an
increasingly
serious
environmental
issue,
making
the
detection
of
heavy
metals
essential
for
safeguarding
public
health
and
environment.
This
review
aims
to
highlight
commonly
used
methods
detecting
(such
as
atomic
absorption
spectroscopy
(AAS),
emission
(AES),
inductively
coupled
plasma–mass
spectrometry
(ICP-MS),
square-wave
anodic
stripping
voltammetry
(SWASV),
etc.),
with
a
particular
focus
on
electrochemical
electrode
modification
materials.
Metal
nanomaterials
titanium
dioxide
(TiO2),
copper
oxide
(CuO),
ZIF-8,
MXene,
etc.)
are
emphasized
promising
candidates
enhancing
performance
sensors
due
their
high
surface
area
excellent
catalytic
properties.
However,
challenges
such
interference
from
non-target
ions
formation
organometallic
complexes
organic
compounds
can
complicate
process.
To
address
these
issues,
two
potential
solutions
have
been
proposed:
development
advanced
algorithms
machine
learning
(ML),
back-propagation
neural
network
(BPNN),
support
vector
machines
(SVM),
random
forests
(RF),
signal
processing
use
pretreatment
Fenton
oxidation
(FO),
ozone
oxidation,
photochemical
oxidation)
suppress
interferences.
paper
metals,
emphasis
techniques.
It
will
also
faced
in
methods,
sensitivity
limitations,
propose
innovative
solutions,
including
improved
sensor
integration
techniques
enhance
accuracy.
Environments,
Journal Year:
2025,
Volume and Issue:
12(2), P. 43 - 43
Published: Feb. 2, 2025
Graphene-based
materials,
including
graphene
oxide
(GO)
and
functionalized
derivatives,
have
demonstrated
exceptional
potential
in
addressing
environmental
challenges
related
to
heavy
metal
detection
wastewater
treatment.
This
review
presents
the
latest
advancements
graphene-based
electrochemical
fluorescence
sensors,
emphasizing
their
superior
sensitivity
selectivity
detecting
ions,
such
as
Pb2⁺,
Cd2⁺,
Hg2⁺,
even
complex
matrices.
The
key
focus
of
this
is
on
use
molecular
dynamics
(MD)
simulations
understand
predict
ion
transport
through
membranes,
offering
insights
into
mechanisms
efficiency
removing
contaminants.
Particularly,
article
reviews
effects
external
conditions,
pore
radius,
functionalization,
multilayers
water
purification
provide
comprehensive
filtration
membrane
design.
Functionalized
membranes
exhibit
enhanced
rejection
tailored
electrostatic
interactions
size
exclusion
effects,
achieving
up
100%
rates
for
selected
metals.
Multilayered
hybrid
composites
further
improve
performance
structural
stability,
enabling
sustainable,
large-scale
purification.
However,
fabrication
scalability,
impact,
cost
remain.
also
highlights
importance
computational
approaches
innovative
material
designs
overcoming
these
barriers,
paving
way
future
breakthroughs
technologies.
Chemosensors,
Journal Year:
2023,
Volume and Issue:
11(4), P. 208 - 208
Published: March 25, 2023
Electrospun
nanofibers
have
shown
their
advantages
for
applications
in
a
wide
variety
of
scientific
fields
thanks
to
unique
properties.
Meanwhile,
electrospinning
is
closely
following
the
fast
development
nano
science
and
nanotechnology
move
forward
smaller
(pico-technology),
more
complicated
nanostructures/nanodevices
order
(all
kinds
arrays).
Particularly,
multiple-fluid
has
strong
capability
creating
nanostructures
from
structural
spinneret
single-step
straightforward
“top-down”
manner,
holding
great
promise
creation
on
large
scale.
This
review
just
conclude
state-of-art
studies
related
topics
also
point
out
that
future
directions
environmental
detection
require
chemosensors,
while
improvement
sensors
requires
new
chemically
synthesized
functional
substances,
nanostructured
materials,
application
convenience,
integration
or
synergy.
Based
developments
electrospinning,
possibilities
can
be
drawn
detecting
pollutants
with
electrospun
as
support
platform.
