The Science of The Total Environment,
Год журнала:
2023,
Номер
908, С. 168462 - 168462
Опубликована: Ноя. 12, 2023
The
occurrence
of
plastic
waste
in
the
environment
is
an
emerging
and
ongoing
concern.
In
addition
to
physical
impacts
macroplastics
microplastics
on
organisms,
chemical
effects
additives
such
as
plasticisers
have
also
received
increasing
attention.
Research
concerning
plasticiser
pollution
estuaries
coastal
environments
has
been
a
particular
focus,
these
are
primary
entry
point
for
anthropogenic
contaminants
into
wider
marine
environment.
Additionally,
conditions
estuarine
favour
sedimentation
suspended
particulate
matter,
with
which
strongly
associated.
Hence,
estuary
systems
may
be
where
some
highest
concentrations
pollutants
seen
freshwater
environments.
Recent
studies
confirmed
phthalates
estuaries,
relative
abundance
compounds
controlled
primarily
by
patterns
use,
source
intensity,
fate.
Plasticiser
profiles
typically
dominated
mid-high
molecular
weight
DnBP,
DiBP,
DEHP.
Plasticisers
taken
up
can
cause
negative
although
further
research
required
assess
plasticisers.
This
review
provides
overview
processes
controlling
release
partitioning
legacy
aqueous
environments,
sources
followed
quantitative
analysis
discussion
literature
(co-)occurrence
We
end
this
fate
(degradation
uptake
biota)
compounds,
identification
knowledge
gaps
recommendations
future
research.
The Science of The Total Environment,
Год журнала:
2023,
Номер
903, С. 166846 - 166846
Опубликована: Сен. 9, 2023
Phthalate
esters
(PAEs)
are
known
as
of
phthalic
acid,
which
commonly
used
plasticizers
in
the
plastic
industry.
Due
to
lack
chemical
bonding
with
polymer
matrix,
these
compounds
easily
separated
from
products
and
enter
environment.
To
investigate
growth
concentration
PAEs
like
DBP
(Dibutyl
phthalate),
DEP
(Diethyl
DMP
(Dimethyl
DIBP
(Diisobutyl
TPMBP
(tris(2-methylbutyl)
phosphate)
different
water
sources,
a
study
January
01,
1976,
April
30,
2021,
was
implemented
via
global
systematic
review
plus
meta-analysis
which,
109
articles
comprising
4061
samples,
4
types,
27
countries
were
included.
Between
various
types
river
lake
most
contaminated
resources
PAEs.
Among
all
studies
PAEs,
values
>15,573
mg
L−1
have
highest
average
value
0.002885
has
lowest
sources.
The
sources
Nigeria
least
China.
Besides,
Monte-Carlo
simulation
indicated
that
for
minimum
lower
than
acceptable
limit
generated.
However,
population
(>75
%)
is
at
risk
both
adults
child
cases.
For
situation
much
worse,
simulations
not
providing
one
case
where
R
index
1E-06.
Environmental Science & Technology,
Год журнала:
2022,
Номер
56(2), С. 1081 - 1090
Опубликована: Янв. 7, 2022
Phthalate
esters
(PAEs)
are
commonly
released
from
plastic
pipes
in
some
water
distribution
systems.
Here,
we
show
that
exposure
to
a
low
concentration
(1-10
μg/L)
of
three
PAEs
(dimethyl
phthalate
(DMP),
di-n-hexyl
(DnHP),
and
di-(2-ethylhexyl)
(DEHP))
promotes
Pseudomonas
biofilm
formation
resistance
free
chlorine.
At
PAE
concentrations
ranging
1
5
μg/L,
genes
coding
for
quorum
sensing,
extracellular
polymeric
substances
excretion,
oxidative
stress
were
upregulated
by
2.7-
16.8-fold,
2.1-
18.9-fold,
1.6-
9.9-fold,
respectively.
Accordingly,
more
matrix
was
produced
the
polysaccharide
eDNA
contents
increased
30.3-82.3
10.3-39.3%,
respectively,
relative
unexposed
controls.
Confocal
laser
scanning
microscopy
showed
stimulated
densification
(volumetric
fraction
27.1
38.0-50.6%),
which
would
hinder
disinfectant
diffusion.
Biofilm
verified
atomic
force
microscopy,
measured
an
increase
elastic
modulus
2.0-
3.2-fold.
also
antioxidative
system,
with
cell-normalized
superoxide
dismutase,
catalase,
glutathione
activities
increasing
1.8-
3.0-fold,
1.0-
2.0-fold,
1.2-
1.6-fold,
This
likely
protected
cells
against
damage
Overall,
demonstrate
environmentally
relevant
levels
can
upregulate
molecular
processes
physiologic
changes
promote
system
expression,
enhance
disinfectants.
TrAC Trends in Analytical Chemistry,
Год журнала:
2022,
Номер
151, С. 116598 - 116598
Опубликована: Март 12, 2022
Phthalate
esters
are
high
production
volume
chemicals
and
widely
used
as
additives
in
the
plastics
industry.
Since
they
not
chemically
bound
to
plastics,
can
easily
leach
into
environment.
They
also
be
transformed
phthalate
monoesters
via
degradation
or
metabolization.
As
numerous
studies
have
reported
negative
effects
of
diesters
on
marine
biota,
these
contaminants
an
emerging
concern.
In
this
article
we
review
most
important
analytical
methods
for
determining
seawater,
sediments
biota.
The
QuEChERS
method
ultrasound-assisted
extraction
common
techniques
extracting
solid
samples,
while
solid-phase
is
technique
seawater
samples.
We
describe
occurrence
distribution
Bis(2-ethylhexyl)
phthalate,
di-n-butyl
diisobutyl
well
their
metabolites,
main
compounds
detected
reviewed
matrices.
