Chlorinated
paraffins
(CPs)
are
chlorinated
alkane
mixtures
widely
used
as
flame
retardants
and
plasticizer
in
multiple
industrial
products.
Systematic
research
on
how
homolog
specific
properties
affect
their
atmospheric
behaviors
was
limited.
Here,
we
investigated
the
levels
of
short
(SCCPs)
medium
chain
CPs
(MCCPs)
seasonal,
size-fractioned,
years-covered
particles.
The
average
SCCP
MCCP
concentrations
3.36
4.89
ng/m3,
a
general
increase
observed
from
2018
to
2023.
Higher
particles
winter
high
temperature
summer
led
significant
season
variations
concentration
pattern,
especially
for
highly
C10-13Cl5
summer.
SCCPs
MCCPs
both
concentrated
fine
with
diameters
<1
μm,
interestingly,
CP
isomer
low
vapor
pressure
octanol-air
partition
coefficients
had
larger
geometric
mean
diameter
(GMD),
once
inhaled,
they
deposited
into
respiratory
system
deposition
efficiency.
On
average,
53.1%,
8.5%,
38.4%
SCCPs,
60.6%,
7.6%
31.8%
head
airway
(HA),
tracheobronchial
region
(TR),
alveolar
(AR),
caused
total
EDI
0.14
0.22
ng/kg
bw/day.
Frontiers in Toxicology,
Journal Year:
2025,
Volume and Issue:
6
Published: Jan. 22, 2025
Chlorinated
paraffins
(CPs)
are
classified
as
emerging
persistent
organic
pollutants
(POPs).
Due
to
their
associated
environmental
and
health
impacts,
these
groups
of
chemicals
have
been
a
subject
interest
among
researchers
in
the
past
decades.
Here
we
used
scientometric
approach
understand
research
landscape
CPs
using
literature
published
Web
Science
Scopus
database.
RStudio
VOSviewer
programs
were
employed
tools
analyze
publication
trends
global
CP-related
from
1916
2024.
A
total
1,452
articles
over
this
period,
with
publication/author
co-author/publication
ratio
0.43
5.49,
respectively.
China
ranked
first
output
(n
=
556,
43.3%),
highest
citations
12,007),
followed
by
Sweden
90),
Canada
77),
Germany
75).
Publications
developing
countries
limited,
most
contributions
Africa
originating
Egypt
7),
South
5),
Nigeria
3),
primarily
through
international
collaborations.
The
average
annual
growth
rate
4.3%
suggests
significant
future
article
output.
This
analysis
allowed
us
infer
CPs,
identify
tendencies
gaps,
contribute
research.
Despite
having
similar
toxicity
short-chain
chlorinated
paraffin
(SCCP),
long-chain
(LCCP)
has
received
less
attention.
Therefore,
should
prioritize
studying
LCCP
bioaccumulation
diverse
food
webs,
focusing
on
aquatic
species
vulnerable
effective
toxicological
models.
Additionally,
collaborative
be
encouraged
enhance
meeting
Stockholm
Convention's
demand.
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
4(5), P. 2101 - 2113
Published: Feb. 16, 2024
The
bioaccumulation
and
trophic
transfer
of
chlorinated
paraffins
(CPs)
in
deep-sea
environments
are
vital,
but
no
information
is
currently
available.
In
the
present
study,
CPs
were
analyzed
seawater,
sediments,
benthic
biotas
from
Haima
cold
seeps,
South
China
Sea.
Total
CP
concentrations
biota
ranged
264.7
to
12874.4
ng/g
lipid
weight,
their
average
concentrations,
ranked
highest
lowest,
as
follows:
sea
cucumber
≈
slim
tubeworm
>
crab
brittle
star
snail
shrimp
mussel
clam
giant
tubeworm.
Benthic
displayed
high
accumulation
abilities
for
SCCPs,
MCCPs,
LCCPs,
exhibiting
at
least
medium-level
pollution
seeps.
Seawater
was
considered
be
primary
source
biotas.
Higher
potentials
occurred
nonchemosymbiotic
than
chemosymbiotic
Biomagnification
SCCPs
MCCPs
biodilution
LCCPs
observed
between
snails
mussels.
No
patterns
found
whole
This
first
report
environment.
results
will
provide
insights
into
further
studying
biological
trophodynamics
ecological
risks
environments.
Chemosphere,
Journal Year:
2024,
Volume and Issue:
358, P. 142172 - 142172
Published: April 27, 2024
In
excess
of
13,000
chemicals
are
added
to
plastics
('additives')
improve
performance,
durability,
and
production
plastic
products.
They
categorized
into
numerous
chemical
classes
including
flame
retardants,
light
stabilizers,
antioxidants,
plasticizers.
While
research
on
additives
in
the
marine
environment
has
increased
over
past
decade,
there
is
a
lack
methodological
standardization.
To
direct
future
measurement
additives,
we
compiled
first-of-its-kind
dataset
literature
assessing
environments,
delineated
by
sample
type
(plastic
debris,
seawater,
sediment,
biota).
Using
this
dataset,
performed
meta-analysis
summarize
state
science.
Currently,
our
includes
217
publications
published
between
1978
May
2023.
The
majority
analyzed
biota
collected
from
Europe
Asia.
Analyses
concentrated
plasticizers,
brominated
bisphenols.
Common
preparation
techniques
included
Solvent
-
Agitation
extraction
for
plastic,
samples,
Solid
Phase
Extraction
seawater
samples
with
dichloromethane
solvent
mixtures
as
organic
solvent.
Finally,
most
analyses
were
utilizing
gas
chromatography/mass
spectrometry.
There
variety
data
gaps
illuminated
meta-analysis,
notably
small
number
compounds
that
have
been
targeted
detection
compared
large
used
production.
provided
facilitates
investigation
trends
additive
concentration
(allowing
comparison
toxicity
thresholds)
acts
starting
point
optimizing
harmonizing
analytical
methods.
•
First
comprehensive
measured
ocean
utilized.
Samples
mainly
phthalates,
Gas
spectrometry
dominant
method.
HBCD
concentrations
highest
polystyrene
South
Korea.
More
method
studies
needed
standardization
field.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(33), P. 14797 - 14811
Published: Aug. 9, 2024
Short-,
medium-,
and
long-chain
chlorinated
paraffins
(CPs)
(SCCPs,
MCCPs,
LCCPs)
dechloranes
are
chemicals
of
emerging
concern;
however,
little
is
known
their
bioaccumulative
potential
compared
to
legacy
contaminants
in
marine
mammals.
Here,
we
analyzed
SCCPs,
LCCPs,
7
dechloranes,
4
brominated
flame
retardants,
64
contaminants,
including
polychlorinated
biphenyls
(PCBs),
the
blubber
46
individual
mammals,
representing
10
species,
from
Norway.
Dietary
niche
was
modeled
based
on
stable
isotopes
nitrogen
carbon
skin/muscle
assess
contaminant
accumulation
relation
diet.
SCCPs
dechlorane-602
were
strongly
positively
correlated
with
highest
killer
(
