Interaction of Microplastics with Emerging Organic Pollutants: A Study on Atrazine Adsorption and Phytotoxicity
Toxics,
Год журнала:
2025,
Номер
13(4), С. 257 - 257
Опубликована: Март 29, 2025
The
adsorption
of
atrazine
(ATZ)
onto
pristine
and
aged
polyethylene
microplastics
(MPs)
was
investigated
in
distilled
water
(DW)
hydroponic
nutrient-enriched
(EW)
to
evaluate
its
phytotoxic
effects
on
Lactuca
sativa
germination.
Aged
(AMPs)
exhibited
higher
ATZ
both
conditions:
0.646
mg/g
(14.49%)
DW
0.742
(15.87%)
EW,
compared
0.405
(9.08%)
0.504
(10.78%)
for
(PMPs),
respectively.
This
increase
attributed
photodegradation-induced
surface
modifications
MP,
including
increased
roughness
the
formation
oxygenated
functional
groups.
phytotoxicity
assays
showed
that
adsorbed
AMPs
inhibited
seed
germination
more
severely,
with
a
maximum
inhibition
34%
at
2
mg/L,
evidencing
microplastic
aging
enhances
increases
toxicity
risks
aquatic
environments,
particularly
under
eutrophic
conditions.
combined
presence
MP
resulted
greater
toxicity,
synergistic
effect,
as
observed
dry
wet
mass
inhibition.
These
findings
indicate
pollutant
interactions
amplify
negative
impacts
plant
development.
Furthermore,
primarily
affects
root
growth
through
direct
physical
contact
rather
than
via
desorption
into
water.
Язык: Английский
Unraveling the Impact of nano-microscale polyethylene and polypropylene plastics on Nicotiana tabacum: Physiological Responses and Molecular Mechanisms
Environmental and Experimental Botany,
Год журнала:
2025,
Номер
unknown, С. 106169 - 106169
Опубликована: Май 1, 2025
Язык: Английский