Eco-Environment & Health,
Год журнала:
2025,
Номер
4(1), С. 100138 - 100138
Опубликована: Фев. 14, 2025
The
aging
of
micro-
and
nanoplastics
(MNPs)
significantly
affects
their
environmental
behavior
ecological
impacts
in
both
aquatic
terrestrial
ecosystems.
This
review
explored
the
known
effects
on
MNPs
identified
several
key
perspectives.
Firstly,
can
alter
fate
transport
due
to
changes
surface
properties.
alteration
accelerates
accumulation
specific
habitats
like
oceans
soils,
resulting
increased
bioaccumulation
by
organisms.
In
addition,
aged
interact
differently
with
living
organisms
than
pristine
counterparts
influencing
attachment
biofilms
other
microorganisms
Moreover,
processes
exhibit
adverse
via
increasing
bioavailability
potential
toxicity
as
degradation
products
are
released.
Last
but
not
least,
biodegradation
be
altered
process,
thus
affecting
rates
pathways
environment.
However,
there
still
knowledge
gaps
regarding
natural
behaviors
MNPs,
such
mechanisms
different
types
plastic,
influence
factors,
release
pollutants,
even
transformation
Therefore,
a
great
contribution
made
sustainable
plastic
use
preservation
studying
common
subsequent
biological
effects.
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
Environmental Chemistry Letters,
Год журнала:
2022,
Номер
21(2), С. 647 - 653
Опубликована: Дек. 2, 2022
Abstract
Microplastics
are
of
rising
health
concerns
because
they
have
been
detected
even
in
remote
and
pristine
environments,
from
the
Artic
snow
to
Marianne
Trench.
The
occurrence
impact
nanoplastics
ecosystems
is
almost
unknown,
particular
due
analytical
limitations
such
as
very
small
sizes
that
fall
below
detection
limits
current
techniques.
Here
we
take
advantage
a
common
interference
flow
cytometry
develop
method
for
quantification
number
plastic
particles
0.6–15
µm
size
range.
Plastic
stained
with
lipophilic
dye
Nile-Red
then
by
cytometry,
regularly
used
biology
rapid
fluorescent
cells.
We
found
sample
analysis
lasts
90
s,
which
hundreds
times
faster
than
filter
portions
micro-Raman
other
spectroscopic
Our
highly
efficient
detecting
polyethylene,
staining
efficiency
higher
70%
signal
linearity
concentration.
Staining
up
96%
was
observed
polyvinylchloride
polystyrene.
