Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(17), P. 6999 - 7008
Published: April 21, 2023
Microplastics
(MPs)
are
an
emerging
environmental
concern.
However,
vertical
transport
of
MPs
remains
unclear,
particularly
in
deep
reservoirs
with
thermal
stratification
(TS).
In
this
study,
the
variation
MP
organization,
stability,
migration,
and
driving
factors
profile
a
reservoir
were
comprehensively
explored.
This
is
first
observation
that
TS
interfaces
act
as
buffer
area
to
retard
subsidence,
especially
at
interface
between
epilimnion
metalimnion.
Interestingly,
there
was
size-selection
phenomenon
for
sinking.
particular,
high
accumulation
large-sized
(LMPs;
>300
μm)
indicated
LMPs
more
susceptible
dramatic
changes
water
density
interfaces.
Furthermore,
simultaneous
analysis
parameters
surface
characteristics
showed
drivers
deposition
biological
abiotic
transitions
during
different
layers,
which
influenced
by
algae
metals.
Specifically,
scanning
electron
microscopy
coupled
energy-dispersive
X-ray
spectroscopy
microscopic
Fourier
transform
infrared
analyses
implied
occurrence
metals
on
can
promote
hypolimnion.
Our
findings
demonstrated
significantly
fate
reservoirs,
hotspot
exposure
risk
vulnerable
benthic
organisms
floor
deserves
attention.
Environment International,
Journal Year:
2022,
Volume and Issue:
171, P. 107711 - 107711
Published: Dec. 21, 2022
Micro/nanoplastics
(MPs/NPs)
are
ubiquitous
in
the
environment
and
living
organisms
have
been
exposed
to
these
substances
for
a
long
time.
When
MPs/NPs
enter
different
organisms,
they
transport
various
pollutants,
including
heavy
metals,
persistent
organic
drugs,
bacteria,
viruses,
from
environment.
On
this
basis,
paper
summarizes
combined
toxicity
induced
by
accumulating
contaminants
entering
through
systematic
review
of
162
articles.
Moreover,
factors
influencing
toxic
interactions
critically
discussed,
thus
highlighting
dominant
role
relative
concentrations
effects.
Furthermore,
first
time,
we
describe
threats
posed
with
other
pollutants
human
health,
as
well
their
cytotoxic
behavior
mechanism.
We
found
that
"Trojan
horse"
effect
nanoplastics
can
increase
bioaccessibility
environmental
increasing
carcinogenic
risk
humans.
Simultaneously,
complex
cells
observed
be
constantly
dissociated
due
lysosomes.
However,
current
research
on
intracellular
release
MP/NP-loaded
is
relatively
poor,
which
hinders
accurate
vivo
assessment
pollutants.
Based
findings
our
critical
review,
recommend
analyzing
effects
clarifying
dose
relationship
each
component
pollutant
cells,
challenging
yet
crucial
exploring
mechanism
pollution.
In
future,
contribute
establishing
system
modeling
complete
load-translocation
toxicological
MP/NP-based
composite
TrAC Trends in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
174, P. 117667 - 117667
Published: March 25, 2024
Microplastics
(MPs),
miniscule
plastic
particles
measuring
less
than
5
mm
in
size,
have
become
a
concern
terrestrial
ecosystems,
with
primarily
agricultural
and
wetland
soils
being
the
highest
loadings.
The
adverse
effect
of
MPs
might
lead
to
changes
physicochemical
biological
characteristics
soil
including
properties,
microbial
communities,
plants,
as
well
potential
or
affirmed
correlations
among
them.
Therefore,
understanding
risks
effects
MPs,
particularly
within
soil-plant-microbe
context
is
challenging
subject
substantial
scientific
inquiry.
This
comprehensive
review
focused
on
rhizosphere
plant-microbe
symbiotic
relationships,
implications
for
plant
growth
ecosystem-level
nutrient
fluxes.
alter
community
composition,
enzymatic
activities
rhizosphere,
influencing
availability
uptake
by
plants.
These
can
disrupt
interactions,
such
mycorrhizal
associations
nitrogen-fixing
symbioses,
ultimately
impacting
cycling
nutrients
ecosystems.
Furthermore,
we
elaborate
relationships
carrying
Future
research
directions
solutions
microplastics
menace
acknowledging
combined
other
contaminants,
advanced
technologies
identification
quantification,
engineering
remediation.
knowledge
MPs-induced
impacts
interactions
essential
generate
mitigating
actions
environmental
management
conservation.
