Tire
wear
particles
(TWP)
are
a
major
source
of
microplastics
in
the
aquatic
environment
and
ecological
impacts
their
leachates
environmental
concern.
Among
marine
biota,
copepods
most
abundant
animals
ocean
main
link
between
primary
producers
higher
trophic
levels
food
webs.
In
this
study,
we
determined
acute
lethal
sublethal
effects
tire
particle
on
different
life
stages
cosmopolitanplanktonic
copepod
Acartia
tonsa.
Median
concentration
(LC50,
48
h)
ranged
from
0.4
to
0.6
g
L-1
depending
stages,
being
nauplii
copepodites
more
sensitive
than
adults.
The
median
effective
(EC50,
for
hatching
was
1
L-1,
indicating
relatively
low
sensitivity
leachates.
However,
metamorphosis
(from
nauplius
VI
copepodite
I)
notably
reduce
by
with
an
EC50
(48
0.23
absence
at
suggesting
endocrine
disruption.
Leachates
also
caused
significant
decrease
(10-22%)
body
length
after
exposure
TWP
(0.25
0.5
L-1).
We
tested
battery
enzymatic
biomarkers
A.
tonsa
adult
but
50
mg
did
not
cause
statistically
effect
measured
activities.
Our
results
show
that
can
negatively
impact
development,
metamorphosis,
survival
planktonic
copepods.
More
field
data
concentrations
TWPs
fate
persistence
leached
additives
is
needed
better
assessment
risk
pollution
TrAC Trends in Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
172, P. 117563 - 117563
Published: Jan. 30, 2024
The
environmental
contamination
and
biological
impacts
of
tire
particles
their
associated
chemicals
is
great
concern.
Variously
termed
as
wear
(TWP),
road
(TRWP),
end-of-life
tires
(ELTs)
to
differentiate
between
possible
compositions
sources
in
the
environment,
these
rubber
are
a
major
source
plastic
pollution.
array
added
that
leach
into
environment
presents
an
additional
environmental,
toxicological
regulatory
challenge.
In
this
review,
we
define
several
topic
areas
relevant
study
particles,
outlining
current
state
ongoing
challenges.
Emissions
estimates
needed
establish
loads
based
on
dated,
summarised
dataset
rather
than
measured
data,
but
determining
presence
hampered
by
lack
standardised
sampling
methods.
Several
techniques
for
analysis
available,
variability
model
composition
makes
selection
analytical
markers
challenging,
does
commercial
standards.
Toxicologically,
there
remains
need
delineate
particle
leachate
effects
and,
addition,
investigate
emerging
concern
transformation
products.
Such
knowledge
required
feed
processes
which
currently
regulate
constituents
separately
whole
tire.
Technological
solutions
capture
or
replace
progressing,
often
outside
academia,
it
important
scientific
community
collaborate
with
those
attempting
reduce
impact
tires,
including
industry.
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
343, P. 123256 - 123256
Published: Jan. 1, 2024
Tire
wear
particles
(TWP)
are
a
major
source
of
microplastics
in
the
aquatic
environment
and
ecological
impacts
their
leachates
environmental
concern.
Among
marine
biota,
copepods
most
abundant
animals
ocean
main
link
between
primary
producers
higher
trophic
levels
food
webs.
In
this
study,
we
determined
acute
lethal
sublethal
effects
tire
particle
on
different
life
stages
cosmopolitan
planktonic
copepod
Acartia
tonsa.
Median
concentration
(LC
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
201, P. 116230 - 116230
Published: March 13, 2024
The
Canary
Archipelago
is
a
group
of
volcanic
islands
located
in
the
North
Atlantic
Ocean
with
high
marine
biodiversity.
This
archipelago
intercepts
Current,
easternmost
branch
Azores
Current
Subtropical
Gyre,
which
brings
large
amounts
litter
from
remote
sources
via
oceanic
transportation.
It
is,
therefore,
particularly
vulnerable
to
plastic
pollution.
Here,
we
present
review
available
studies
on
mesoplastics
and
microplastics
Islands
over
last
decade
evaluate
level
distribution
pollution
this
archipelago.
Specifically,
focused
data
beaches
surface
waters
assess
among
different
as
well
between
windward
leeward
zones,
main
characteristics
(size,
type,
colour,
polymer)
plastics
found
Islands.
concentrations
meso-
MPs
ranged
1.5
2972
items/m
Journal of Marine Science and Engineering,
Journal Year:
2025,
Volume and Issue:
13(1), P. 181 - 181
Published: Jan. 20, 2025
Tyre
wear
particles
are
a
significant
source
of
primary
microplastics
in
the
natural
environment
with
potential
to
accumulate
aquatic
sediments,
yet
our
understanding
ecological
impact
these
is
limited.
Using
mesocosms
estuarine
sediment
containing
model
macrofauna
community
(Scrobicularia
plana
and
Hediste
diversicolor),
meiofauna,
microphytobenthos,
we
investigated
exposure
sedimentary
tyre
(0.2,
1,
5%
kg
sediment(dw)−1)
upon
meiofauna
structure,
production,
secondary
nutrient
fluxes.
Under
conditions
(13
°C)
timescale
(31
days)
investigated,
did
not
lead
any
differences
nutrients
for
productivity,
limited
on
meiofaunal
productivity.
An
increase
Tanaidacea
was
observed
1%
particle
treatments,
putatively
due
reduced
macrofaunal
predation.
Previous
studies
have
highlighted
ecotoxicity
particles.
The
impacts
may
be
experimental
being
too
large
ingest
or
experiment
short
witness
changes
at
scale.
Impacts
from
leachates
were
likely
dilution
partial
recirculation
system.
Leachate
will
occur
naturally
marine
systems
should
consideration
design
future
studies.
Ecotoxicology and Environmental Safety,
Journal Year:
2025,
Volume and Issue:
291, P. 117787 - 117787
Published: Feb. 1, 2025
Tire
wear
particles
(TWP)
are
a
major
source
of
microplastics
in
the
environment.
Despite
their
prevalence,
effects
tire
particle
leachates
on
marine
microplankton
communities
remains
poorly
understood.
In
this
study,
we
assessed
acute
impacts
structure
coastal
assemblages
from
Canary
Islands.
Five
laboratory
experiments
were
conducted,
exposing
to
range
leachate
dilutions
over
72
h,
with
TWP
prepared
an
initial
concentration
1
g
L⁻¹
.Our
results
revealed
that
abundances
diatoms,
most
dinoflagellates,
and
ciliates
significantly
reduced
following
exposure
leachates,
median
effective
concentrations
(EC50)
ranging
30
660
mg
L-1
depending
plankton
community.
Interestingly,
Ostreopsis
cf.
ovata,
harmful
algal
bloom
(HAB)-forming
species,
exhibited
relatively
high
tolerance
compared
other
microplankton.
Compared
biota,
appear
be
vulnerable
group
(EC50
=
146
L-1).
The
higher
O.
ovata
pollution
phytoplankton
species
(resource
competitors),
combination
factors,
may
contribute
rise
HABs
polluted
areas.
Although
field
data
limited,
observed
negative
occurred
at
environmentally
relevant
concentrations.
Our
indicate
can
impact
planktonic
communities,
highlighting
urgent
need
reduce
emissions
develop
less
toxic
rubber
additives.