Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(21), P. 9071 - 9081
Published: May 15, 2024
Little
research
exists
on
the
magnitude,
variability,
and
uncertainty
of
human
exposure
to
airborne
micro-
nanoplastics
(AMNPs),
despite
their
critical
role
in
MNPs.
We
probabilistically
estimate
global
intake
AMNPs
through
three
main
pathways:
indoor
inhalation,
outdoor
ingestion
during
meals,
for
both
children
adults.
The
median
inhalation
AMPs
is
1,207.7
(90%
CI,
42.5–8.48
×
104)
1,354.7
47.4–9.55
N/capita/day
adults,
respectively.
annual
13.18
mg/capita/a
19.10
which
approximately
one-fifth
one-third
mass
a
standard
stamp,
assuming
consistent
daily
medians.
majority
AMP
number
occurs
while
deposited
meals
contributes
most
terms
mass.
Furthermore,
ANP
9,638.1
N/day
(8.23
10–6
μg/d)
5,410.6
(4.62
respectively,
compared
5.30
105
(5.79
10–4
6.00
(6.55
via
inhalation.
Considering
increased
toxicity
smaller
MNPs,
significant
ANPs
inhaled
warrants
great
attention.
Collaborative
efforts
are
imperative
further
elucidate
combat
current
MPN
risks.
Journal of Hazardous Materials Advances,
Journal Year:
2023,
Volume and Issue:
12, P. 100346 - 100346
Published: July 20, 2023
Urbanization
itself
is
a
major
and
furthermost
imperative
contributor
to
the
release
of
microplastics
into
environments.
As
cities
grow
develop,
more
plastic
products
are
consumed
discarded,
resulting
in
increased
pollution
levels.
Although
researches
on
airborne
(AMPs)
urban
regions
scare,
recent
findings
have
shown
high
concentration
them
air
residential
areas.
Textiles
main
source
indoor
ambiance,
while
traffic-related
particles,
textiles
agricultural
marine
appear
be
responsible
for
polluting
cities'
outdoor
atmosphere.
Local
metrological
situation,
topography
physical
features
particles
control
behavior,
distribution
fate
microplastics.
Inhalation
primary
exposure
route
may
induce
toxicity
respiratory
tract.
Understanding
these
factors
crucial
developing
effective
strategies
mitigate
their
impact
human
health
environment.
Current
work
reviews
published
literature
settings
aiming
at
characterizing
parent's
materials,
potential
sources
both
spaces,
possible
impacts
along
with
some
further
suggestions.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
255, P. 114818 - 114818
Published: March 21, 2023
Microplastics
(MPs)
are
one
novel
environmental
pollutant
sized
<
5
mm
that
is
ubiquitously
present
in
numerous
media
and
particularly
susceptible
to
interact
with
various
toxic
chemicals.
Importantly,
MPs
can
enter
the
food
chain,
bio-enriched
bio-accumulated
trophic
levels,
eventually
endangering
ecosystems
human
health.
However,
there
need
be
more
understanding
regarding
bio-interaction
of
host,
for
biological
barriers.
This
review
aimed
summarize
latest
findings
main
exposure
routes
generated
health
burdens
on
humans.
Furthermore,
their
interactions
barriers
generate
adverse
effects
underlying
mechanisms
were
also
reviewed.
Additionally,
we
provided
a
comprehensive
overview
recent
advances
removing
controlling
MPs.
Finally,
discussed
future
directions
hazard
prevention
provide
helpful
information
regulating
decision-making
guiding
safer
plastics
applications.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(8), P. 3702 - 3713
Published: Feb. 15, 2024
Microplastics
are
found
in
various
human
tissues
and
considered
harmful,
raising
concerns
about
exposure
to
microplastics
the
environment.
Existing
research
has
analyzed
indoor
occupational
scenarios,
but
long-term
monitoring
of
ambient
atmospheric
(AMPs),
especially
highly
polluted
urban
regions,
needs
be
further
investigated.
This
study
estimated
environmental
AMPs
by
considering
inhalation,
dust
ingestion,
dermal
three
functional
zones
within
a
megacity.
The
annual
quantity
was
7.37
×
104
items
for
children
1.06
105
adults,
comparable
with
microplastic
consumption
from
food
water.
Significant
spatiotemporal
differences
were
observed
characteristics
that
humans
exposed
to,
wind
speed
rainfall
frequency
mainly
driving
these
changes.
AMP
green
land
spaces,
which
recognized
as
relatively
low
zones,
public
service
residential
zones.
Notably,
significant
positive
correlations
between
pathogenicity
airborne
bacterial
community
discovered.
size
immune-mediated
disease
risks
brought
microbes
showed
most
relationship,
where
Sphingomonas
might
act
potential
key
mediator.
