ACS ES&T Water,
Год журнала:
2024,
Номер
4(8), С. 3433 - 3442
Опубликована: Июль 18, 2024
In
November
2021,
the
Environment
and
Climate
Change
Canada
United
States
Environmental
Protection
Agency
(US
EPA)
released
a
draft
binational
strategy
for
short-chain
chlorinated
paraffins
(SCCPs)
risk
assessment
to
focus
efforts
on
implementing
mitigation
management
options
reduce
SCCPs
in
Great
Lakes
basin.
accordance
with
this
strategy,
have
been
added
US
EPA's
Fish
Monitoring
Surveillance
Program
(GLFMSP).
To
provide
better
understanding
of
current
state
Lakes,
homologue-based
concentrations
overall
trends
medium-chain
(MCCPs)
top
predator
fish
tissues
were
assessed
over
past
decade,
2010
2020.
Results
show
no
obvious
CP
Ontario,
Michigan,
Huron,
Superior.
Lake
Erie
exhibited
possible
increasing
trend
MCCPs,
but
SCCPs.
The
total
(CPs)
10-year
period
ranged
from
3
19
ng/g
wet
weight
(ww),
Ontario
6
18
ww,
Huron
7
26
Michigan
10
39
Superior
0.6
ww.
Frontiers in Toxicology,
Год журнала:
2025,
Номер
6
Опубликована: Янв. 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.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(32), С. 11687 - 11703
Опубликована: Июль 28, 2023
Chlorinated
paraffins
(CPs)
are
ubiquitous
in
the
environment
due
to
their
large-scale
usage,
persistence,
and
long-range
atmospheric
transport.
The
oceans
a
critical
where
CPs
transformation
occurs.
However,
broad
impacts
of
on
marine
remain
unclear.
This
review
describes
sources,
occurrence
transport
pathways,
environmental
processes,
ecological
effects
environment.
distributed
global
by
riverine
input,
ocean
currents,
from
industrial
areas.
Environmental
such
as
deposition
particle-bound
compounds,
leaching
plastics,
microbial
degradation
CPs,
drivers
for
regulating
CPs'
fate
water
columns
or
sediment.
Bioaccumulation
trophic
transfer
food
webs
may
threaten
ecosystem
functions.
To
elucidate
biogeochemical
processes
environments,
future
work
should
clarify
burden
process
reveal
effects.
results
would
help
readers
current
research
status
directions
provide
scientific
basis
theoretical
foundations
government
assess
risks
make
policies
pollution
prevention
control.
Environment International,
Год журнала:
2023,
Номер
175, С. 107932 - 107932
Опубликована: Апрель 15, 2023
Research
on
the
environmental
occurrence
of
long-chain
chlorinated
paraffins
(LCCPs)
in
ambient
fine
particulate
matter
(PM2.5)
is
still
scarce.
In
present
study,
short-chain
(SCCPs),
medium-chain
(MCCPs)
and
LCCPs
were
simultaneously
quantified
profiled
PM2.5
samples
collected
from
96
primary
or
secondary
schools
Pearl
River
Delta
South
China.
SCCPs,
MCCPs
detected
higher
than
90%
with
concentrations
range
0.832–109,
1.02–110,
0.173–17.4
ng/m3,
respectively.
The
dominant
congener
groups
C13Cl6-8,
C14Cl7-8,
C18Cl7-9,
SCCPs
summer
winter,
while
an
opposite
seasonal
trend
was
observed
for
LCCPs.
Principal
components
analysis
showed
there
variations
group
patterns
C13Cl6-7
C14Cl7
more
abundant
winter.
Concentrations
CPs
also
exhibited
slight
spatial
variations.
Exposure
risk
assessment
based
different
age
suggested
exposure
to
PM2.5-associated
would
not
pose
significant
health
risk.
study
expands
existing
knowledge
contamination
atmospheric
environment.
ACS ES&T Water,
Год журнала:
2024,
Номер
4(5), С. 2101 - 2113
Опубликована: Фев. 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.
