Bioaccumulation and Trophodynamics of Novel Brominated Flame Retardants (NBFRs) in Marine Food Webs from the Arctic and Antarctic Regions
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(15), С. 6804 - 6813
Опубликована: Март 21, 2024
The
pervasive
contamination
of
novel
brominated
flame
retardants
(NBFRs)
in
remote
polar
ecosystems
has
attracted
great
attention
recent
research.
However,
understanding
regarding
the
trophic
transfer
behavior
NBFRs
Arctic
and
Antarctic
marine
food
webs
is
limited.
In
this
study,
we
examined
occurrence
trophodynamics
benthic
sediment
collected
from
areas
around
Chinese
Yellow
River
Station
(n
=
57)
Great
Wall
94).
∑7NBFR
concentrations
were
range
1.27–7.47
ng/g
lipid
weight
(lw)
0.09–1.56
lw
biota,
respectively,
among
which
decabromodiphenyl
ethane
(DBDPE)
was
predominant
compound
all
sample
types.
biota–sediment
bioaccumulation
factors
(g
total
organic
carbon/g
lipid)
(0.85–3.40)
4-fold
higher
than
those
Antarctica
(0.13–0.61).
Trophic
magnification
(TMFs)
their
95%
confidence
interval
(95%
CI)
individual
ranged
0.43
CI:
0.32,
0.60)
to
1.32
(0.92,
1.89)
0.34
(0.24,
0.49)
0.92
(0.56,
1.51)
webs,
respectively.
TMFs
most
congeners
significantly
lower
1,
indicating
a
dilution
potential.
This
one
very
few
investigations
on
ecosystems,
provides
basis
for
exploring
ecological
risks
regions.
Язык: Английский
Environmental impacts of polymeric flame retardant breakdown
Nature Sustainability,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 3, 2025
Язык: Английский
Eight novel brominated flame retardants in indoor and outdoor dust samples from the E-waste recycling industrial park: Implications for human exposure
Environmental Research,
Год журнала:
2023,
Номер
238, С. 117172 - 117172
Опубликована: Сен. 18, 2023
Язык: Английский
Bis(2-ethylhexyl)-2,3,4,5-tetrabromophthalate Enhances foxo1-Mediated Lipophagy to Remodel Lipid Metabolism in Zebrafish Liver
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(10), С. 4581 - 4593
Опубликована: Фев. 29, 2024
An
emerging
environmental
contaminant,
bis(2-ethylhexyl)-2,3,4,5-tetrabromophthalate
(TBPH),
can
bioaccumulate
in
the
liver
and
affect
hepatic
lipid
metabolism.
However,
in-depth
mechanism
has
yet
to
be
comprehensively
explored.
In
this
study,
we
utilized
transgenic
zebrafish
Tg
(Apo14:
GFP)
image
interference
of
TBPH
on
development
metabolism
at
early
stage.
Using
integrated
lipidomic
transcriptomic
analyses
profile
remodeling
effect,
uncovered
potential
effects
lipophagy-related
signaling
pathways
larvae.
Decreased
contents
accompanied
by
enhanced
lipophagy
were
confirmed
measurements
Oil
Red
O
staining
transmission
electron
microscopy
tissues.
Particularly,
regulatory
role
foxo1
factor
was
validated
via
its
transcriptional
inhibitor.
Double
immunofluorescence
with
biochemical
analysis
indicated
that
mitochondrial
fatty
acid
oxidation
induced
reversed
To
summarize,
our
study
reveals,
for
first
time,
essential
foxo1-mediated
TBPH-induced
metabolic
disorders
hepatoxicity,
providing
new
insights
disease
studies
ecological
health
risk
assessment
TBPH.
Язык: Английский
Aggravated visual toxicity in zebrafish larvae upon co-exposure to titanium dioxide nanoparticles and bis(2-ethylhexyl)-2,3,4,5-tetrabromophthalate
The Science of The Total Environment,
Год журнала:
2024,
Номер
921, С. 171133 - 171133
Опубликована: Фев. 22, 2024
Язык: Английский
From e-waste to living space: flame retardants contaminating household items add to concern about plastic recycling
Chemosphere,
Год журнала:
2024,
Номер
unknown, С. 143319 - 143319
Опубликована: Сен. 1, 2024
Язык: Английский
Novel Flame Retardants (NFRs) in E-waste: Environmental burdens, health implications, and recommendations for safety assessment and sustainable management
Toxicology,
Год журнала:
2024,
Номер
unknown, С. 154037 - 154037
Опубликована: Дек. 1, 2024
Язык: Английский
Long-Term Polyethylene (Bio)Degradation in Landfill: Environmental and Human Health Implications from Comprehensive Analysis
Molecules,
Год журнала:
2024,
Номер
29(11), С. 2499 - 2499
Опубликована: Май 25, 2024
This
study
investigates
the
process
of
long-term
(bio)degradation
polyethylene
(PE)
in
an
old
municipal
waste
landfill
(MWL)
and
its
implications
for
environmental
human
health.
Advanced
techniques,
such
as
ICP–ES/MS
IC–LC,
were
used
to
analyze
heavy
metals
anions/cations,
demonstrating
significant
concentration
deviations
from
control
samples.
The
soil’s
chemical
composition
revealed
numerous
hazardous
organic
compounds,
further
indicating
migration
additives
PE
soil.
Toxicological
assessments,
including
Phytotoxkit
FTM,
Microtox®
bioassay,
Ostracodtoxkit®,
demonstrated
phytotoxicity,
acute
toxicity,
high
mortality
living
organisms
(over
85%
Heterocypris
Incongruens).
An
unusual
contaminants
MWL’s
middle
layers,
linked
Poland’s
economic
changes
during
1980s
1990s,
suggests
increased
risks
pollutant
migration,
posing
additional
health
threats.
Moreover,
infiltration
capability
microorganisms,
pathogens,
into
structures
raises
concerns
about
potential
groundwater
contamination
through
bottom.
research
underscores
need
vigilant
management
updated
strategies
protect
environment
public
health,
particularly
older
sites.
Язык: Английский
Aggravated Visual Toxicity in Zebrafish Larvae Upon Co-Exposure to Titanium Dioxide Nanoparticles and Bis(2-Ethylhexyl)-2,3,4,5-Tetrabromophthalate
Опубликована: Янв. 1, 2023
The
bioavailability
and
toxicity
of
organic
pollutants
in
aquatic
organisms
can
be
largely
affected
by
the
co-existed
nanoparticles.
However,
impacts
such
combined
exposure
on
visual
system
remain
unknown.
Here,
we
systematically
investigated
zebrafish
larvae
after
single
or
joint
to
titanium
dioxide
nanoparticles
(n-TiO2)
bis(2-ethylhexyl)-2,3,4,5-tetrabromophthalate
(TBPH)
at
environmentally
relevant
levels.
Molecular
dynamics
simulations
revealed
enhanced
transmembrane
capability
complex
than
individual,
which
accounted
for
increased
both
TBPH
n-TiO2
when
zebrafish.
Transcriptome
analysis
showed
that
co-exposure
interfered
with
molecular
pathways
related
eye
lens
structure
sensory
perception
Particularly,
significantly
suppressed
expression
βB1-crystallin
rhodopsin
retina
lens,
was
further
co-exposure.
Moreover,
detected
disorganized
retinal
histology,
stunted
development
significant
behavioral
changes
under
condition.
overall
results
suggest
water
borne
their
bioavailability,
resulted
severer
damage
optic
nerve
ultimately
abnormal
behavior
patterns,
highlighting
higher
potential
health
risks
vertebrates.
Язык: Английский