International Journal of Remote Sensing,
Journal Year:
2024,
Volume and Issue:
45(7), P. 2337 - 2373
Published: March 21, 2024
Urban
surface
water
is
an
important
freshwater
resource,
and
the
environment
increasingly
being
destroyed.
Dynamic
monitoring
of
great
significance
for
protecting
ecological
environment.
Remote
sensing
technology
provides
technical
support
monitoring,
which
overcomes
drawbacks
traditional
manual
sampling.
It
has
been
widely
applied
in
monitoring.
The
paper
systematically
reviews
research
progress
remote
from
aspects
data,
inversion
models
quality
parameters.
Advantages
disadvantages
(analytical
methods,
empirical
semi-empirical
machine
learning
methods
comprehensive
methods)
are
compared
analysed.
Furthermore,
we
summarize
chlorophyll
a
(Chl-a),
total
suspended
matter
(TSM),
coloured
dissolved
organic
(CDOM),
transparency
non-photosensitive
Although
new
ideas
there
still
some
problems
that
need
to
be
solved,
such
as
signals
affected
by
atmosphere,
poor
portability
models,
low
resolution
satellite
sensors,
susceptibility
external
factors.
Therefore,
future
should
combine
multi-source
conduct
in-depth
on
optical
characteristics
bodies,
optimize
construct
transferable
break
through
temporal
spatial
limitations,
promote
rapid
development
pollution
warning.
Arabian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
17(6), P. 105777 - 105777
Published: April 5, 2024
Soil
contamination
by
lead,
zinc,
iron,
manganese,
and
copper
is
a
widespread
environmental
issue
associated
with
the
mining
industry.
Primary
sources
include
activities,
production
processing
operations,
waste
disposal
management
practices,
atmospheric
sediments.
degradation,
water
pollution
impacting
aquatic
ecosystems,
plant
absorption
leading
to
agricultural
product
contamination,
health
risks
exposure
copper,
along
effects
on
fauna
biodiversity,
constitute
primary
impacts
of
contamination.
In
this
study,
diverse
sampling
analysis
methods,
geographic
information
systems,
remote
sensing
techniques
are
investigated
for
monitoring
assessing
soil
these
metals.
modification
techniques,
phytoremediation,
other
strategies
reduction
considered
among
most
crucial,
alongside
protection
risk
strategies.
Finally,
article
explores
innovative
methods
solutions
mineral
remediation,
application
green
chemistry
sustainable
practices
in
industry,
utilization
artificial
intelligence
controlling
heavy
metal
ion
pollution.
Sensors,
Journal Year:
2023,
Volume and Issue:
23(22), P. 9080 - 9080
Published: Nov. 9, 2023
Human
exposure
to
acute
and
chronic
levels
of
heavy
metal
ions
are
linked
with
various
health
issues,
including
reduced
children’s
intelligence
quotients,
developmental
challenges,
cancers,
hypertension,
immune
system
compromises,
cytotoxicity,
oxidative
cellular
damage,
neurological
disorders,
among
other
challenges.
The
potential
environmental
HMI
contaminations,
the
biomagnification
along
food
chains,
associated
risk
factors
on
public
safety
a
global
concern
top
priority.
Hence,
developing
low-cost
analytical
protocols
capable
rapid,
selective,
sensitive,
accurate
detection
in
samples
consumable
products
is
interest.
Conventional
flame
atomic
absorption
spectroscopy,
graphite
furnace
emission
inductively
coupled
plasma–optical
plasma–mass
X-ray
diffractometry,
fluorescence
have
been
well-developed
for
HMIs
trace
element
analysis
excellent
but
varying
degrees
sensitivity,
selectivity,
accuracy.
In
addition
high
instrumental
running
maintenance
costs
specialized
personnel
training,
these
instruments
not
portable,
limiting
their
practicality
on-demand,
situ,
field
study,
or
point-of-need
detection.
Increases
use
electrochemical
colorimetric
techniques
ion
detections
arise
because
portable
instrumentation,
sensitivity
cost-effectiveness,
small
size
requirements,
rapidity,
visual
nanosensors
that
facilitate
detections.
This
review
highlights
new
approach
low-cost,
ecosystems
(soil,
water,
air)
products.
Specifically,
recent
advances
smartphone-operated
screen-printed
electrodes
(SPEs),
plastic
chip
SPES,
carbon
fiber
paper-based
addition,
requirements.
provides
advantages
optical
over
conventional
methods
analyses.
further
in-depth
coverage
arsenic
(As),
cadmium
(Cd),
chromium
(Cr),
copper
(Cu),
mercury
(Hg),
manganese
(Mn),
nickel
(Ni),
lead
(Pb),
zinc
(Zn)
ecosystem,
emphasis
biological
samples.
discusses
challenges
current
protocol
It
insight
into
future
directions
Journal of Water Process Engineering,
Journal Year:
2024,
Volume and Issue:
60, P. 105061 - 105061
Published: March 12, 2024
Efficient
characterization
of
wastewater
stream
quality
is
vital
to
ensure
the
safe
discharge
or
reuse
treated
(WW).
There
are
numerous
parameters
employed
characterize
water
quality,
some
required
by
directives
(e.g.
biological
oxygen
demand
(BOD),
total
nitrogen
(TN),
phosphates
(TP)),
while
others
used
for
process
controls
flow,
temperature,
pH).
Well-accepted
methods
assess
these
have
traditionally
been
laboratory-based,
taking
place
either
off-line
at-line,
and
presenting
a
significant
delay
between
sampling
result.
Alternative
can
run
in-line
on-line,
generally
being
more
cost-effective.
Unfortunately,
often
not
accepted
when
providing
information
regulatory
bodies.
The
current
review
aims
describe
available
laboratory-based
approaches
compare
them
with
innovative
real-time
(RT)
solutions.
Transitioning
from
RT
measurements
means
obtaining
valuable
data,
avoiding
time
delays,
possibility
optimize
(WW)
treatment
management.
A
variety
sensor
categories
examined
illustrate
general
framework
in
which
applications
replace
longer
conventional
processes,
an
eye
toward
potential
drawbacks.
enhancement
be
achieved
through
employment
advanced
soft-sensing
techniques
Internet
Things
(IoT),
coupled
machine
learning
(ML)
artificial
intelligence
(AI).
CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION),
Journal Year:
2024,
Volume and Issue:
52(3), P. 100368 - 100368
Published: Feb. 11, 2024
There
is
an
urgent
need
to
develop
multifunctional
cost-effective
nanomaterials
and
nanocomposites
that
can
be
used
in
numerous
applications
while
showing
high
efficiency
cheaper
implementation
compared
conventional
techniques
and/or
materials.
In
this
work,
zinc/iron
layered
double
hydroxide
(LDH)
polyaniline
(PANI)
were
synthesized
as
a
model
LDH/conductive
polymer
nanocomposite,
which
promising
family
of
cheap
This
electrochemical
properties
nanocomposite
was
investigated
for
detection
heavy
metal
(HM)
ions
water
streams,
using
lead
HM
.
the
present
LDH
PANI
assigned
carbon
paste
electrode
modifier.
The
composite
fully
characterized
various
characterization
including
X-ray
diffraction
(XRD),
scanning
electron
microscope
(SEM),
Fourier
transform
InfraRed
(FTIR).
redox
reactions
(II)
at
modified
interface
cyclic
voltammetry
(CV),
differential
pulse
(DPV),
Accordingly,
linear
relation
Pb2+
achieved
concentration
range
1–80
µM
with
limit
(LOD)
167.8
nM
quantification
(LOQ)
559.4
nM.
Furthermore,
cost
such
material
removal
typical
adsorption
study
inductively
coupled
plasma
(ICP)
or
atomic
absorption
spectrometry
(AAS)
equipment
tracking
during
process.
Cost
analysis
revealed
final
overall
estimated
1.25
USD.
represents
less
than
0.1%
total
required
conduct
same
ICP
AAS
equipment.
pave
road
towards
portable
measurements
onsite
wastewater
pollutants
disposable-electrodes
massive
expensive
off
site
AAS.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(9), P. e19943 - e19943
Published: Sept. 1, 2023
Currently,
electrochemical
sensors
are
regarded
as
an
efficient
tool
for
the
biological
and
environmental
sensing.
Electrochemical
sensors,
such
voltammetric,
amperometric,
impedimetric
have
gained
great
attention
due
to
their
simplicity,
sensitivity,
selectivity.
The
performance
of
these
could
be
enhanced
by
surface
engineered
nano/micro
structured
materials
with
conducting
dyes/redox
species.
In
this
review,
a
focus
has
been
put
on
redox-active
dyes
because
electronic,
optical,
electrochromic,
conductivity
properties.
mechanisms
oxidation
subsequent
polymerization
different
at
electrodes
studied.
Additionally,
role
in
catalyzing
or
reduction
target
analytes
surfaces
also
highlighted.
were
used
probes
detecting
various
samples.
Overall,
considered
promising
polymers
assessment
many
drugs,
pesticides,
surfactants,
heavy
metal
ions.
