Microplastics in coastal and marine environments: A critical issue of plastic pollution on marine organisms, seafood contaminations, and human health implications
Journal of Hazardous Materials Advances,
Год журнала:
2025,
Номер
unknown, С. 100663 - 100663
Опубликована: Фев. 1, 2025
Язык: Английский
Nanoplastics in aquatic environments: The hidden impact of aging on fate and toxicity
Environmental Chemistry and Ecotoxicology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 1, 2025
Язык: Английский
New Insights in Microplastic Cellular Uptake Through a Cell-Based Organotypic Rainbow-Trout (Oncorhynchus mykiss) Intestinal Platform
Cells,
Год журнала:
2025,
Номер
14(1), С. 44 - 44
Опубликована: Янв. 3, 2025
Microplastics
(MPs)
in
fish
can
cross
the
intestinal
barrier
and
are
often
bioaccumulated
several
tissues,
causing
adverse
effects.
While
impacts
of
MPs
on
well
documented,
mechanisms
their
cellular
internalization
remain
unclear.
A
rainbow-trout
(Oncorhynchus
mykiss)
platform,
comprising
proximal
distal
epithelial
cells
cultured
an
Alvetex
scaffold,
was
exposed
to
50
mg/L
(size
1–5
µm)
for
2,
4,
6
h.
MP
uptake
faster
RTpi-MI
compared
RTdi-MI.
Exposure
microplastics
compromised
integrity
by
disrupting
tight-junction
protein
zonula
occludens-1,
inducing
significant
decreases
transepithelial-electrical-resistance
(TEER)
values.
Consequently,
were
internalized
fibroblasts.
The
expression
genes
related
endocytosis
(cltca,
cav1),
macropinocytosis
(rac1),
tight
junctions’
formation
(oclna,
cldn3a,
ZO-1)
analyzed.
No
differences
observed
cltca,
oclna,
cldn3a
expression,
while
upregulation
cav1,
rac1,
ZO-1
detected,
suggesting
as
route
internalization,
since
also
cav1
indirectly
this
mechanism.
obtained
results
consistent
with
data
previously
reported
vivo,
confirming
its
validity
identifying
pathways.
This
could
help
develop
strategies
mitigate
absorption
through
ingestion.
Язык: Английский
Microplastics generation from flooring materials under UV Exposure: A comprehensive analysis of microplastics emission and chemical deformation
Journal of Hazardous Materials,
Год журнала:
2025,
Номер
unknown, С. 138194 - 138194
Опубликована: Апрель 1, 2025
Язык: Английский
Emerging investigator series: OPEN DUMPING AND BURNING: AN OVERLOOKED SOURCE OF TERRESTRIAL MICROPLASTICS IN UNDERSERVED COMMUNITIES
Environmental Science Processes & Impacts,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Open
dumping
and
burning
of
solid
waste
are
widely
practiced
in
underserved
communities
lacking
access
to
management
facilities.
The
generation
microplastics
from
these
sites
has
been
overlooked.
Язык: Английский
OPEN DUMPING AND BURNING: AN OVERLOOKED SOURCE OF TERRESTRIAL MICROPLASTICS IN UNDERSERVED COMMUNITIES
Опубликована: Авг. 22, 2024
Open
dumping
and
burning
of
solid
waste
are
widely
practiced
in
underserved
communities
lacking
access
to
management
facilities;
however,
the
generation
microplastics
from
these
sites
has
been
overlooked.
We
report
elevated
concentrations
(MPs)
soil
three
open
dump
burn
sites:
a
single-family
site
Tuttle,
Oklahoma,
USA,
two
community-wide
Crow
Agency
Lodge
Grass,
Montana,
USA.
extracted,
quantified,
characterized
MPs
depths
(0-9
cm
9-18
cm).
The
abundance
particles
found
at
(35,000
69,200
kg-1
soil)
equals
or
exceeds
reported
currently
understood
sources
including
biosolids
application
other
agricultural
practices.
Attenuated
total
reflectance
Fourier
transformed
infrared
(ATR-FTIR)
identified
polyethylene
as
dominant
polymer
across
all
(46.2%-84.8%).
also
detected
rayon
(≤11.5%),
polystyrene
(up
11.5%),
terephthalate
(≤5.1),
polyvinyl
chloride
(≤4.4%),
polyester
(≤3.1),
acrylic
(≤2.2%).
Burned
accounted
for
76.3
96.9%
both
community
wide
sites.
These
results
indicate
that
activities
major
source
thermally
oxidized
surrounding
terrestrial
environment
with
potential
negatively
affect
communities.
Язык: Английский