Polish Journal of Environmental Studies,
Год журнала:
2024,
Номер
33(3), С. 2499 - 2513
Опубликована: Фев. 21, 2024
Plastics
are
extensively
utilized
across
various
industries
due
to
their
affordability,
chemical
stability,
insulation
properties,
durability,
and
resistance
water.Nowadays,
plastics
have
become
an
integral
part
of
modern
society,
while
microplastics
(MPs)
nanoplastics
(NPs)
rapidly
accumulating
in
soil,
which
could
detrimental
effects
on
both
ecosystems
human
health.This
review
first
analyzes
the
latest
literature
MPs,
soil
plant,
future
research
trends.The
encompasses
findings
MPs
NPs
higher
plants,
elucidating
mechanisms
absorption
by
plants
from
resulting
phytotoxicity.Furthermore,
underscores
imperative
for
further
investigations
aimed
at
comprehending
long-term
repercussions
plant
growth,
physiology,
reproduction,
potential
entry
into
food
chain.Notably,
exhibit
a
unique
propensity
translocate
via
xylem
organs,
including
seeds,
raising
concerns
health,
given
heightened
uptake
roots
compared
MPs.In
addition,
impacts
conjunction
with
other
environmental
contaminants
might
be
amplified.Finally,
important
initiatives
area
considered.The
authors
call
urgent
action
address
problem
plastic
pollution
suggest
that
multi-disciplinary
approach
is
needed
find
solutions
this
global
problem.
Environmental Science & Technology,
Год журнала:
2023,
Номер
58(2), С. 1010 - 1021
Опубликована: Ноя. 7, 2023
Despite
the
increasing
prevalence
of
atmospheric
nanoplastics
(NPs),
there
remains
limited
research
on
their
phytotoxicity,
foliar
absorption,
and
translocation
in
plants.
In
this
study,
we
aimed
to
fill
knowledge
gap
by
investigating
physiological
effects
tomato
leaves
exposed
differently
charged
NPs
absorption
NPs.
We
found
that
positively
caused
more
pronounced
effects,
including
growth
inhibition,
increased
antioxidant
enzyme
activity,
altered
gene
expression
metabolite
composition
even
significantly
changed
structure
phyllosphere
microbial
community.
Also,
exhibited
differential
translocation,
with
penetrating
into
dispersing
uniformly
within
mesophyll
cells.
Additionally,
absorbed
were
able
translocate
roots.
These
findings
provide
important
insights
interactions
between
crop
plants
demonstrate
NPs'
accumulation
crops
could
negatively
impact
agricultural
production
food
safety.
Abstract
Microplastics
are
polymer-based
materials
with
carbon
as
their
main
framework.
During
degradation,
they
release
greenhouse
gases
such
dioxide
and
methane.
Additionally,
environmental
microplastics
can
enter
plant
tissues,
triggering
oxidative
stress
in
cells,
adversely
affecting
photosynthesis,
metabolism,
gene
expression,
other
growth
parameters.
This
reduction
efficiency
sequestering
utilizing
atmospheric
indirectly
impacts
global
cycling,
exacerbating
the
effect.
Furthermore,
significantly
alter
soil
structure
composition
of
microbial
communities,
emissions
dioxide,
methane,
nitrous
oxide,
thus
promoting
gas
emissions.
Increasing
research
suggests
a
mutual
reinforcement
between
microplastic
pollution
climate
warming,
where
exacerbates
rise
average
temperature
leads
to
resuspension
sediments,
intensifying
environment.
article
primarily
focuses
on
different
ecosystems
relationship
warming.
It
summarizes
effects
marine,
terrestrial,
ecosystems,
well
mechanisms
by
which
change
affect
ecosystem
services.
By
delving
into
intricate
connection
emissions,
this
paper
aims
raise
awareness
caused
calls
for
further
change,
ultimate
goal
protecting
human
health.
Graphical
Environment International,
Год журнала:
2023,
Номер
174, С. 107899 - 107899
Опубликована: Март 27, 2023
Nanoplastics
(NPs)
are
increasingly
perceived
as
an
emerging
threat
to
terrestrial
environments,
but
the
adverse
impacts
of
NPs
on
soil
fauna
and
mechanisms
behind
these
negative
outcomes
remain
elusive.
Here,
a
risk
assessment
was
conducted
model
organism
(earthworm)
from
tissue
cell.
Using
palladium-doped
polystyrene
NPs,
we
quantitatively
measured
nanoplastic
accumulation
in
earthworm
investigated
its
toxic
effects
by
combining
physiological
with
RNA-Seq
transcriptomic
analyses.
After
42-day
exposure,
accumulated
up
15.9
143.3
mg
kg-1
for
low
(0.3
kg-1)
high
(3
dose
groups,
respectively.
retention
led
decrease
antioxidant
enzyme
activity
reactive
oxygen
species
(O2-
H2O2),
which
reduced
growth
rate
21.3
%-50.8
%
caused
pathological
abnormalities.
These
were
enhanced
positively
charged
NPs.
Furthermore,
observed
that
irrespective
surface
charge,
after
2
h
gradually
internalized
coelomocytes
(∼0.12
μg
per
cell)
mainly
amassed
at
lysosomes.
Those
agglomerations
stimulated
lysosomal
membranes
lose
stability
even
rupture,
resulting
impeded
autophagy
process
cellular
clearance,
eventually
coelomocyte
death.
In
comparison
negatively
nanoplastics,
exerted
83
higher
cytotoxicity.
Our
findings
provide
better
understanding
how
posed
harmful
have
important
implications
evaluating
ecological
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Авг. 31, 2023
Abstract
Urban
vegetable
gardens
are
very
often
a
feature
of
cities
that
want
to
offer
their
citizens
more
sustainable
lifestyle
by
producing
own
food
products.
However,
can
have
significant
pollution
levels
(or
hotspots)
due
specific
sources
pollution,
such
as
traffic.
Among
the
various
pollutants,
microplastics
(MPs)
emerging
consensual
concern
awareness
environmental
contamination,
bioaccumulation
potential
and
human
intake,
and,
consequently
unknown
health
impacts.
The
present
study
compared
content
MPs
in
lettuce
plants
cultivated
Lisbon
urban
with
those
rural
area,
well
samples
bought
supermarkets.
Microplastics
were
detected
all
washed
leaves,
mean
ranging
from
6.3
±
6.2
29.4
18.2
MPs/g.
Lettuce
grown
areas
high
traffic
density
showed
higher
levels.
Weak
positive
Spearman’s
rank
correlations
found
between
concentrations
Cu
S
(determined
Particle
Induced
X-Ray
Emission,
PIXE),
suggesting
possible
role
contribution
levels,
both
elements
considered
traffic-source
tracers.
These
results
contribute
shed
light
on
MP
contamination
vegetables
environments,
may
represent
exposure
route
through
dietary
corresponding
70%
increase
annual
intake
lettuces
