Toxics,
Journal Year:
2024,
Volume and Issue:
12(7), P. 448 - 448
Published: June 21, 2024
Bisphenol
S
(BPS),
an
environmental
endocrine
disruptor,
has
been
identified
in
global
matrices.
Nevertheless,
limited
studies
have
investigated
the
presence
of
chlorinated
analogues
BPS
(Clx-BPSs)
with
potential
estrogenic
activities
In
this
study,
occurrence
and
five
types
Clx-BPSs
was
characterized
indoor
dust
(n
=
178)
from
Hangzhou
City.
measurable
94%
samples,
average
level
0.63
μg/g
(<LD–2.4
μg/g).
Among
detected
homologues,
Cl1-BPS
(2-chloro-4-(4-hydroxyphenyl)sulfonylphenol;
detection
frequency
70%),
Cl2-BPS-2
(2-chloro-4-(3-chloro-4-hydroxyphenyl)sulfonylphenol;
65%),
Cl2-BPS-1
(2,6-dichloro-4-(4-hydroxyphenyl)sulfonylphenol;
61%)
were
among
frequently
Clx-BPSs.
most
abundant
analyte,
0.048
(<LD—0.24
μg/g),
followed
by
(0.035
μg/g,
<LD—0.14
(0.031
<LD—0.13
Significant
correlations
concentrations
observed
between
(p
<
0.01),
as
well
0.01).
Moreover,
estimation
made
for
total
daily
intake
via
ingestion
infants,
children,
adults.
This
study
presents
first
evidence
existence
dust,
concurrently
highlighting
necessity
to
address
their
human
exposure
risks.
Environment International,
Journal Year:
2024,
Volume and Issue:
187, P. 108677 - 108677
Published: April 21, 2024
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine
(6PPD)
is
commonly
used
in
rubber
compounds
as
antioxidants
to
protect
against
degradation
from
heat,
oxygen,
and
ozone
exposure.
This
practice
extends
the
lifespan
of
products,
including
tires,
by
preventing
cracking,
aging,
deterioration.
However,
environmental
consequences
waste
generated
during
product
use,
particularly
formation
6PPD-quinone
(6PPD-Q)
through
reaction
6PPD
with
ozone,
have
raised
significant
concerns
due
their
detrimental
effects
on
ecosystems.
Extensive
research
has
revealed
widespread
occurrence
its
derivate
6PPD-Q
various
compartments,
air,
water,
soil.
The
emerging
substance
been
shown
pose
acute
mortality
long-term
hazards
aquatic
terrestrial
organisms
at
concentrations
below
environmentally
relevant
levels.
Studies
demonstrated
toxic
a
range
organisms,
zebrafish,
nematodes,
mammals.
These
include
neurobehavioral
changes,
reproductive
dysfunction,
digestive
damage
exposure
pathways.
Mechanistic
insights
suggest
that
mitochondrial
stress,
DNA
adduct
formation,
disruption
lipid
metabolism
contribute
toxicity
induced
6PPD-Q.
Recent
findings
human
samples,
such
blood,
urine,
cerebrospinal
fluid,
underscore
importance
further
public
health
toxicological
implications
these
compounds.
distribution,
fate,
biological
effects,
underlying
mechanisms
environment
highlight
urgent
need
for
additional
understand
address
impacts
Environmental Science & Technology Letters,
Journal Year:
2024,
Volume and Issue:
11(5), P. 397 - 409
Published: April 10, 2024
This
review
examines
the
environmental
occurrence
and
fate
of
aromatic
amines
(AAs),
a
group
contaminants
with
possible
carcinogenic
mutagenic
effects.
AAs
are
known
to
be
partially
responsible
for
genotoxic
traits
industrial
wastewater
(WW),
AA
antioxidants
acutely
toxic
some
aquatic
organisms.
Still,
there
gaps
in
available
data
on
sources,
occurrence,
transport,
domestic
WW
indoor
environments,
which
complicate
prevention
adverse
effects
ecosystems.
We
key
sources
these
compounds,
including
cigarette
smoke
grilled
protein-rich
foods,
their
presence
indoors
matrices.
provides
basis
evaluate
importance
nonindustrial
overall
burden
AAs.
Appropriate
sampling
techniques
described,
copper-phthalocyanine
trisulfonate
materials,
XAD
resins
solid-phase
extraction,
microextraction
methods,
can
offer
insights
into
fate.
Further
discussion
is
provided
potential
progress
research
behavior
an
aim
support
development
more
comprehensive
understanding
risks.
