Journal of Environmental Exposure Assessment,
Год журнала:
2024,
Номер
3(4)
Опубликована: Ноя. 29, 2024
Microplastics
(MPs)
and
nanoplastics
have
gained
significant
attention
as
emerging
environmental
pollutants
due
to
their
widespread
presence
potential
health
risks.
In
recent
years,
these
contaminants
been
frequently
detected
in
drinking
water
various
beverages,
prompting
concern
about
sources
effects.
This
paper
provides
a
comprehensive
review
of
the
occurrence
MPs
beverages
exposure
assessments.
MP
concentrations
vary
significantly
across
countries
regions,
influenced
by
diverse
factors
such
efficiency
treatment
plants,
level
pollution
sources,
condition
transportation
pipelines.
Another
critical
aspect
discussed
this
is
assessment
human
MPs.
Similarly,
daily
intake
shows
variation
different
regions.
Beyond
concentration
water,
an
equally
important
factor
quantity
consumed,
which
can
differ
much
two
orders
magnitude
between
studies.
These
variations
consumption
are
key
focus
article,
they
greatly
influence
estimation
exposure.
Furthermore,
it
discusses
limitations
current
research,
emphasizes
gaps
understanding
nanoplastics,
outlines
future
research
directions.
Chemosphere,
Год журнала:
2024,
Номер
364, С. 143131 - 143131
Опубликована: Авг. 19, 2024
The
continuous
release
of
municipal
and
industrial
products
into
the
environment
poses
a
growing
concern
for
public
health.
Among
environmental
pollutants,
polystyrene
(PS)
stands
out
as
primary
constituent
plastic
waste,
given
its
widespread
use
high
production
rates
owing
to
durability
user-friendly
properties.
detection
microparticles
(PS-MPs)
in
various
living
organisms
has
been
well-documented,
posing
serious
threat
due
their
potential
passage
human
ecosystem.
In
this
manuscript,
we
aimed
study
toxicological
effects
low
concentrations
pristine
photoaged
PS-MPs
murine
macrophage
cell
line.
To
purpose,
were
by
indoor
exposure
visible
light
simulate
weathering
solar
irradiation
(PS-MPs3h).
Physical
characterization
revealed
that
treatment
results
particle
degradation
possible
nanoparticles.
Monocultures
RAW264.7
line
then
exposed
PS-MPs3h
at
comparable
experimental
measurements
from
biological
samples,
assess
cytotoxicity,
intracellular
oxidative
stress,
genotoxicity,
inflammatory
effects.
Significant
toxicity-related
outcomes
observed
cells
treated
with
both
even
(0,10
μg/ml
1
μg/ml).
exhibited
greater
adverse
compared
PS-MPs,
including
reduced
viability,
increased
ROS
production,
elevated
DNA
damage,
upregulation
IL-6
NOS2
gene
expression.
Therefore,
can
conclude
changes
induced
aging
physicochemical
composition
PS
microplastics
play
crucial
role
health
associated
microplastic
exposure.
Brazilian Journal of Health Review,
Год журнала:
2025,
Номер
8(1), С. e76878 - e76878
Опубликована: Янв. 17, 2025
Esta
revisão
abrange
a
interseção
da
ciência
de
polímeros
e
saúde
humana,
destacando
os
microplásticos
presentes
no
leite
ofertado
às
crianças
na
primeira
infância,
com
enfoque
identificação,
avaliação
concentração
fontes
contaminação.
Busca-se
compreender
potenciais
riscos
à
associados
exposição
por
meio
ingestão
leite.
é
realizada
uma
bibliográfica
abrangente
do
tema.
Centra-se
monitoramento
global
dos
as
análises
utilizadas
para
avaliar
presença
características
dessas
partículas.
Os
objetivos
envolvem
análise
crítica
humana
microplásticos.
A
também
discute
possíveis
soluções
visando
mitigar
riscos,
ressaltando
alternativas
sustentáveis
estratégias
redução
As
referências
abrangem
variados
estudos,
proporcionando
visão
holística
panorama
atual
pesquisa
nesse
campo
emergente.
Processes,
Год журнала:
2024,
Номер
12(4), С. 844 - 844
Опубликована: Апрель 22, 2024
Polyethylene
terephthalate
(PET)
microplastics
constitute
a
significant
portion
of
plastic
pollution
in
the
environment
and
pose
substantial
environmental
challenges.
In
this
study,
effectiveness
Fenton
process
post-oxidation
coagulation
for
removal
non-weathered
UV-weathered
PET
(PET
MPs)
were
investigated.
A
response
surface
methodology
was
used
to
investigate
interplay
between
concentration
ferrous
ion
(Fe2+)
concentration.
The
models
revealed
an
intricate
these
variables,
highlighting
need
balanced
system
optimal
MP
removal.
For
PET,
simultaneous
increase
concentrations
both
Fe2+
found
enhance
efficiency.
However,
synergistic
effect
not
observed
which
also
demonstrated
more
pronounced
from
statistical
analysis
provided
strong
basis
validity
models.
X-ray
photoemission
spectroscopy
(XPS)
further
elucidated
mechanisms
behind
findings,
revealing
that
UV
weathering
results
changes,
facilitate
hydroxyl
radical
oxidation.
These
findings
underline
complexity
microplastic
different
behavior
microplastics.
This
has
implications
tailoring
remediation
strategies
underscores
importance
considering
strategies.
Environments,
Год журнала:
2024,
Номер
11(12), С. 263 - 263
Опубликована: Ноя. 22, 2024
Microplastics
have
become
a
ubiquitous
pollutant
that
permeates
every
aspect
of
our
environment—from
the
oceans
to
soil
elementary
foundations
human
life.
New
findings
demonstrate
microplastic
particles
not
only
pose
latent
threat
adult
populations,
but
also
play
serious
role
even
before
birth
during
fetal
stages
development.
Exposure
microplastics
early
childhood
is
another
source
risk
almost
impossible
prevent.
This
comprehensive
review
examines
multiple
aspects
associated
with
development,
detailing
mechanisms
by
which
these
enter
body,
their
bioaccumulation
in
tissues
throughout
life
and
inevitable
re-entry
into
different
ecosystems
after
death.
