Determining microplastics bioaccumulation in Babylonia spirata adopting nuclear analysis technique
Satrio Harmin Galih,
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Muslim Muslim,
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Heny Suseno
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et al.
Toxicological & Environmental Chemistry Reviews,
Journal Year:
2025,
Volume and Issue:
107(1), P. 135 - 154
Published: Jan. 2, 2025
Language: Английский
Microplastic contamination in no-take Marine Protected Areas of Brazil: bivalves as sentinels
Environmental Research,
Journal Year:
2025,
Volume and Issue:
unknown, P. 121231 - 121231
Published: Feb. 1, 2025
Language: Английский
Photodegradation Controls of Potential Toxicity of Secondary Sunscreen-Derived Microplastics and Associated Leachates
Aries Wei Sun,
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Wen‐Xiong Wang
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Environmental Science & Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 8, 2025
The
escalating
environmental
concern
over
secondary
microplastics
(SMPs)
stems
from
their
physicochemical
evolution
primary
(PMPs),
yet
the
contribution
of
varying
transformations
to
ultimate
risks
remains
unknown.
In
this
study,
a
photomechanical
degradation
process
was
employed
convert
sunscreen-derived
(SDMPs)
into
SDMPs.
While
mechanical
caused
physical
fragmentation,
photodegradation
induced
both
and
chemical
alterations,
introducing
surface
oxidation,
bond
scission,
cross-linking
Employing
combination
alkaline
digestion
pyrolysis
GC-MS
techniques,
it
observed
that
fragmentation
photooxidation
led
heightened
intracellular
sequestration
MPs.
Although
bioaccumulated
SDMPs
could
be
indicated
by
enlarged
lysosomes
fragmented
mitochondria,
toxicity
at
cellular
level
primarily
driven
post-photodegradation.
A
nontargeted
analysis
employing
high-resolution
mass
spectrometry
identified
46
plastic-associated
compounds
in
leachate,
with
photodegradation-induced
playing
crucial
role
dissociation
hydrophobic
additives
oxidative
conversion
leached
compounds.
leachate
exacerbated
photodegradation,
mitochondrial
serving
as
subcellular
biomarker,
indicative
toxicity.
This
study
elucidates
pivotal
augmenting
cytotoxicity
SDMPs,
shedding
light
on
intricate
interplay
between
risks.
Language: Английский
Passing the Parcels: Intercellular Nanoplastics Transfer in Mussels Perna viridis with Activated Immunomodulation
Environmental Science & Technology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
Nanoplastics
(NPs)
are
generally
considered
to
have
a
defined
intracellular
fate,
being
difficult
excrete
or
transport
due
their
stability.
This
study
provides
the
first
evidence
of
NPs
intercellular
transfer
in
hemocytes
green
mussels
(Perna
viridis),
which
subsequently
activated
immunomodulation
process.
were
predominantly
internalized
by
granulocytes,
with
portion
translocated
and
deposited
lysosomes,
whereas
those
retained
endosomes
transferred
new
(mainly
granulocytes).
The
direction
was
driven
NP
concentration
gradients.
Transfer
kinetics
size-dependent,
smaller-sized
exhibiting
greater
potential
but
lower
rate,
primarily
specific
extracellular
vesicle-mediated
pathway.
Tunneling
nanotubes
provided
most
efficient
pathway
for
NPs,
as
continuous
membrane
structure
allowed
direct
substance
exchange.
Crucially,
redistribution
accompanied
gradient-driven
mitochondria
injured
hemocytes.
process
alleviated
stress
on
overburdened
regulated
reactive
oxygen
species
production,
enhancing
phagocytic
activity
promoting
immune
responses.
These
findings
underscore
that
exhibit
far
more
active
behavior
system
than
previously
understood
provide
insights
into
how
cells
maintain
health
marine
organisms
face
challenges.
Language: Английский
On the interaction of buoyant plastic debris and sea-surface layer organisms
Anthropocene Coasts,
Journal Year:
2025,
Volume and Issue:
8(1)
Published: April 29, 2025
Language: Английский
The application of nuclear technique for measuring the bioaccumulation of microplastic in oyster (Crassostera Gigas)
Dzaki A. Furqon,
No information about this author
Muslim Muslim,
No information about this author
Heny Suseno
No information about this author
et al.
Radiochimica Acta,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 22, 2025
Abstract
This
study
aims
to
determine
the
effect
of
salinity
and
microplastic
concentration
on
bioaccumulation
ability
microplastics
in
oyster
(
Crassostera
Gigas
)
using
nuclear
techniques.
Biokinetic
experiments
were
conducted
a
single-compartment
approach
utilizing
131
I.
The
biokinetic
experiment
methods
biota
collection,
acclimatization,
bioaccumulation,
elimination.
Bioaccumulation
was
carried
out
by
placing
an
aquarium
containing
seawater
media
spiked
with
PSS-
I
concentrations
0.96,
1.93,
3.85
mg
L
−1
differences
30,
32,
34
g
for
seven
days
depuration
organism
without
microplastics.
experimental
results
showed
that
highest
uptake
value
(CF)
treatment,
which
3.1
×
10
−5
mL
process
could
maintain
47
%.
In
CF
at
4
mL.g-1.
process,
it
can
43
rate
affected
concentration.
Concentration
directly
proportional
increase
bioaccumulation.
Language: Английский