Comparative Toxicity of Micro, Nano, and Leachate Fractions of Three Rubber Materials to Freshwater Species: Zebrafish and Daphnia
Microplastics,
Journal Year:
2025,
Volume and Issue:
4(1), P. 8 - 8
Published: Feb. 11, 2025
Rubber
materials
enter
aquatic
environments
by
stormwater
runoff
via
sources
such
as
playground
mulch,
athletic
fields,
and
roadway
surfaces.
Tire
rubbers
are
considered
plastics
they
comprise
a
substantial
portion
of
synthetic
polymers.
particles
complex
variable
depending
on
the
type,
source,
age
rubber.
In
this
study,
zebrafish
embryos
daphnids
were
exposed
to
nano-scale
or
micro-scale
particles,
leachate
from
recycled
rubber
(RR),
crumb
(CR),
cryo-milled
tire
tread
(CMTT).
Zebrafish
evaluated
for
lethal
sub-lethal
effects
over
120
h
exposure,
while
tested
48
period.
Nano-scale
RR,
CR,
CMTT
elicited
hatch
delay
in
with
similar
EC50
values
(1.3
×
109–1.4
109
particles/mL).
Micro-scale
did
not
elicit
any
significant
developing
zebrafish.
all
significantly
increased
compared
leachate,
suggesting
an
adverse
nanoparticle
effect
unexplained
chemical
leaching
alone,
indicating
particle-specific
effects.
Daphnia
RR
micro-
exposures
resulted
mortality,
LC50
9.8
105
microparticles/mL
5.0
108
nanoparticles/mL,
respectively.
Leachate
mortality.
Sublethal
nano-TP
decreased
microalgae
ingestion
after
24
h.
The
tire-derived
observed
pose
risk
organism
survival
at
environmentally
relevant
concentrations.
Language: Английский
Review of Health Effects of Automotive Brake and Tyre Wear Particles
Alexandros Christou,
No information about this author
Barouch Giechaskiel,
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Ulf Olofsson
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et al.
Toxics,
Journal Year:
2025,
Volume and Issue:
13(4), P. 301 - 301
Published: April 11, 2025
Non-exhaust
emissions
from
brakes
and
tyres
are
becoming
the
major
transport-related
contributor
of
particulate
matter
(PM)
pollution
in
cities.
Furthermore,
tyre
microplastics
unintentionally
released
all
environmental
compartments.
The
European
Union
introduced
for
first
time
worldwide
limits
(PM10)
(total
abrasion
mass)
with
Euro
7
regulatory
step.
Thus,
interest
brake
particles
regarding
health
impacts
has
significantly
increased
recent
years.
In
this
review,
we
summarise
studies
that
assessed
impact
on
human,
mammalian,
aquatic,
terrestrial
cells
organisms.
compared
to
other
sources.
We
also
critically
examine
sampling
methodologies
studies.
Language: Английский