Journal of Contaminant Hydrology,
Journal Year:
2024,
Volume and Issue:
262, P. 104325 - 104325
Published: Feb. 27, 2024
Microplastics
and
heavy
metals
pollution
is
recognised
as
a
major
problem
affecting
aquatic
ecosystems.
For
this
reason,
study
aims
to
assess
the
toxicity
of
different
concentrations
polyethylene
microplastics
(PE-MPs)
(0.0,
500,
1000
μg
L
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
918, P. 170568 - 170568
Published: Feb. 2, 2024
Among
personal
care
products,
quaternium-15
is
prominently
featured
as
a
preservative
in
items
such
shampoos,
soaps,
shaving
and
cosmetics.
The
widespread
use
of
these
products
people's
daily
routines
contributes
to
release
into
aquatic
ecosystems.
In
this
context,
the
primary
aim
study
was
assess
physiological
cellular
responses
digestive
gland
gills
Mytilus
galloprovincialis
exposure.
Cell
viability
ability
cells
regulate
their
volume
were
evaluated.
Additionally,
expression
genes
involved
oxidative
stress
response
assessed
further
substantiate
compound's
harmful
effects.
Results
indicated
significant
decrease
both
RVD
(regulatory
decrease)
capacity
when
exposed
hypotonic
solution.
Furthermore,
impairment
cell
function
corroborated
by
modulation
stress-related
gene
expression,
including
SOD,
Cat,
well
Hsp70
CYP4Y1.
Similar
alterations
observed
gills,
reflecting
impaired
functionality
vital
organ
well.
summary,
outcomes
provide
conclusive
evidence
toxicity
quaternium-15.
This
underscores
urgent
need
investigate
toxicological
effects
contaminant
on
ecosystems
emphasises
necessity
limiting
containing
Environmental Toxicology and Pharmacology,
Journal Year:
2023,
Volume and Issue:
104, P. 104307 - 104307
Published: Nov. 1, 2023
The
present
study
aimed
to
quantify
the
concentration
levels
of
potentially
toxic
elements
(PTEs)
such
as
aluminum,
arsenic,
cadmium,
chromium,
copper,
nickel,
lead,
zinc,
and
mercury,
well
microplastics
occurrence
in
various
tissues
fish
seafood
species,
commercialized
Lower
Danube
River
Basin.
A
health
risk
assessment
analysis
was
performed
based
on
PTEs
muscle
tissue.
Estimated
daily
intake
(EDI),
target
hazard
quotient
(THQ),
index
(HI),
cancer
(TR)
were
calculated.
It
observed
that
species
within
category
registered
highest
PTEs.
For
instance,
tissue
bivalve
Mytilus
galloprovincialis
(from
Black
Sea),
value
case
Zn
(37.693
mg/kg),
presence
polystyrene
polymer
identified.
values
associated
with
EDI,
THQ,
HI,
TR
PTE
exposure
significantly
lower
than
1.
