Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
287, С. 117326 - 117326
Опубликована: Ноя. 1, 2024
Chlorophenols
(CPs)
are
widely
used
in
industries
such
as
petrochemicals,
insecticides,
pharmaceuticals,
synthetic
dyes
and
wood
preservatives.
However,
owing
to
the
improper
discharge
disposal,
they
have
become
major
contaminants
that
ubiquitously
distributed
water,
soil,
sewage
sediments,
posing
a
significant
threat
ecosystems
human
health.
Consequently,
accurate,
sensitive
effective
pretreatment
analysis
methods
for
CPs
urgently
required
been
actively
explored
recent
years.
This
review
encompasses
detection
environmental
samples
from
2010
2024.
The
primarily
include
solid-phase
extraction,
liquid-liquid
microextraction,
liquid-phase
QuEChERS.
These
evolving
towards
more
environmentally
friendly
technologies,
miniaturization
automation
of
equipment,
development
innovative
materials
(including
graphene,
molecularly
imprinted
polymers,
layered
double
hydroxides,
porous
organic
carbon),
use
green
solvents
like
deep
eutectic
solvents.
Detection
emphasize
liquid
chromatography-mass
spectrometry,
gas
sensors,
capillary
electrophoresis.
Advances
chromatographic
columns,
novel
ion
sources,
high-resolution
mass
spectrometry
significantly
improved
performance.
In
addition,
pros
cons
diverse
techniques,
critical
comments
future
perspectives
elaborated.
Analytical Letters,
Год журнала:
2024,
Номер
unknown, С. 1 - 41
Опубликована: Май 5, 2024
In
this
review,
the
principles
and
characteristics
of
solid-phase
extraction
(SPE)
are
discussed.
The
categories
nanomaterial-based
adsorbents
namely
metal/metal
oxides,
magnetic
nanoparticles,
silica-based
two-dimensional
(2D)
nanomaterials
(NMs),
polymeric
nanotubes,
semiconductor
NMs,
nanoporous
materials
along
with
their
features
discussed
followed
by
evaluating
synthetic
strategies.
Finally,
application
sorbents
for
preconcentration
drugs,
pesticides,
heavy
metals
in
biological,
food,
environmental
samples
is
assessed.
Overall,
future
SPE
techniques
expected
to
include
advances
downsizing,
automation,
selectivity,
sustainability,
integration
other
analytical
techniques,
resulting
more
efficient
effective
sample
preparation
procedures
a
variety
applications.
Journal of Separation Science,
Год журнала:
2024,
Номер
47(17)
Опубликована: Авг. 31, 2024
In
this
work,
an
easy,
safe,
simple,
and
efficient
pH‐switchable
deep
eutectic
solvents
(DESs)‐based
liquid
phase
microextraction
followed
by
high‐performance
chromatography‐diode
array
detector
analysis
was
developed
for
the
determination
of
1,3‐dimethylamylamine
(DMAA).
The
switchability
obtained
DESs
investigated
changing
pH.
Then
best‐selected
DES
characterized
application
selected
in
extraction
DMAA
from
sports
nutrition
bodybuilding
supplements
investigated.
synthesized
l
‐menthol:
oleic
acid
a
molar
ratio
1:2
had
highest
efficiency
target
compound.
Under
optimum
conditions,
(50
µL
DES,
100
4
mol/L
KOH,
HCl,
time
40
s
without
salt
addition)
calibration
graph
linear
range
0.05–100
µg/kg
limit
detection
0.02
µg/kg.
relative
standard
deviations
including
intra‐day
inter‐day
10.0
real
samples
were
2.7%
(
n
=
7)
5.3%
7),
respectively.
enrichment
factor
percentage
recovery
method
283
85%,
recoveries
different
90%–109%.
