Environmental Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 19, 2024
Tire
wear
particles
(TWPs),
generated
from
tire
abrasion,
contribute
significantly
to
environmental
contamination.
The
toxicity
of
TWPs
organisms
has
raised
significant
concerns,
yet
their
effects
on
terrestrial
plants
remain
unclear.
Here,
we
investigated
the
long-term
impact
pristine
and
naturally
aged
water
spinach
(Ipomoea
aquatica)
its
rhizospheric
soil.
results
indicated
that
natural
aging
reduced
TWPs,
as
evidenced
by
decreased
levels
polycyclic
aromatic
hydrocarbons
(PAHs)
in
soil
themselves.
Consequently,
were
found
enhance
plant
growth
chlorophyll
content,
whereas
increased
stress.
Furthermore,
improved
organic
matter
(SOM)
total
carbon
(TOC),
thereby
boosting
microbial
enzymes
involved
nitrogen
cycling.
Metabolomic
analysis
revealed
upregulated
key
pathways
related
metabolism,
enhancing
stress
responses.
Additionally,
rhizosphere
bacterial
diversity
was
higher
under
favoring
nutrient-cycling
taxa
such
Acidobacteriota
Nitrospirota.
Pristine
may
lead
overproliferation
certain
dominant
species,
reducing
soil,
which
could
ultimately
compromise
health.
These
findings
a
deeper
understanding
mechanisms
underlying
TWP
highlight
necessity
for
further
research
across
various
species
over
different
exposure
durations
comprehensive
risk
assessment.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(20), С. 25977 - 25993
Опубликована: Май 14, 2024
Environmental
pollution
with
plastic
polymers
has
become
a
global
problem,
leaving
no
continent
and
habitat
unaffected.
Plastic
waste
is
broken
down
into
smaller
parts
by
environmental
factors,
which
generate
micro-
nanoplastic
particles
(MNPPs),
ultimately
ending
up
in
the
human
food
chain.
Before
entering
body,
MNPPs
make
their
first
contact
saliva
mouth.
However,
it
unknown
what
proteins
attach
to
whether
such
protein
corona
formation
affected
particle's
biophysical
properties.
To
this
end,
we
employed
polystyrene
of
two
different
sizes
three
charges
incubated
them
individually
donated
healthy
volunteers.
Particle
zeta
potential
size
analyses
were
performed
using
dynamic
light
scattering
complemented
nanoliquid
chromatography
high-resolution
mass
spectrometry
(nLC/HRMS)
qualitatively
quantitatively
reveal
soft
hard
for
each
particle
type.
Notably,
profiles
relative
quantities
dictated
charge,
turn
hydrodynamic
size,
polydispersity,
potential.
Strikingly,
provide
evidence
latter
be
processes
depending
on
exposure
times.
Smaller
seemed
more
reactive
surrounding
proteins,
cultures
five
cell
lines
(HeLa,
HEK293,
A549,
HepG2,
HaCaT)
indicated
effects
cellular
metabolic
activity
genotoxicity.
In
summary,
our
data
suggest
surface
chemistry
dictate
decoration
important
implications
MNPP
uptake
humans.
Environmental Science & Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 19, 2024
Tire
wear
particles
(TWPs),
generated
from
tire
abrasion,
contribute
significantly
to
environmental
contamination.
The
toxicity
of
TWPs
organisms
has
raised
significant
concerns,
yet
their
effects
on
terrestrial
plants
remain
unclear.
Here,
we
investigated
the
long-term
impact
pristine
and
naturally
aged
water
spinach
(Ipomoea
aquatica)
its
rhizospheric
soil.
results
indicated
that
natural
aging
reduced
TWPs,
as
evidenced
by
decreased
levels
polycyclic
aromatic
hydrocarbons
(PAHs)
in
soil
themselves.
Consequently,
were
found
enhance
plant
growth
chlorophyll
content,
whereas
increased
stress.
Furthermore,
improved
organic
matter
(SOM)
total
carbon
(TOC),
thereby
boosting
microbial
enzymes
involved
nitrogen
cycling.
Metabolomic
analysis
revealed
upregulated
key
pathways
related
metabolism,
enhancing
stress
responses.
Additionally,
rhizosphere
bacterial
diversity
was
higher
under
favoring
nutrient-cycling
taxa
such
Acidobacteriota
Nitrospirota.
Pristine
may
lead
overproliferation
certain
dominant
species,
reducing
soil,
which
could
ultimately
compromise
health.
These
findings
a
deeper
understanding
mechanisms
underlying
TWP
highlight
necessity
for
further
research
across
various
species
over
different
exposure
durations
comprehensive
risk
assessment.
