Soil and Sediment Contamination An International Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 19
Published: Dec. 25, 2024
Phthalic
acid
esters
(PAEs)
are
the
most
widely
used
plasticizers
around
world,
to
which
human
is
increasingly
exposed.
This
study,
for
first
time
in
Iran,
investigated
4
PAEs
(DEHP,
DBP,
DINP
and
DIDP)
surface
soil
of
different
uses
Malayer.
34
samples
were
collected
from
6
3
quality
parameters
measured.
The
results
showed
average
concentration
as
DEHP
>
DBP
DIDP
DINP.
at
concentrations
0.64–1792.81
0.06–1036.41
µg/kg
frequent
PAEs,
their
highest
observed
industrial
area,
vineyards
irrigated
agriculture.
However,
a
significant
correlation
was
between
indicating
existence
common
release
source.
According
PCA
test,
important
PAE
affecting
by
explaining
61.93%
variance.
carcinogenic
non-carcinogenic
risk
assessment
low
no
health
local
residents,
respectively.
Also,
daily
dose
through
ingestion
skin
exposure
higher
children
than
adults,
inhalation
adults
children.
study
aims
generate
baseline
data
on
Malayer
County
Iranian
soil.
information
essential
future
environmental
monitoring
assessment,
providing
reference
point
evaluating
changes
contamination
levels
over
time.
ACS Omega,
Journal Year:
2023,
Volume and Issue:
8(38), P. 34262 - 34280
Published: Sept. 15, 2023
The
degradation
of
organic
pollutants
present
in
domestic
and
industrial
effluents
is
a
matter
concern
because
their
high
persistence
ecotoxicity.
Recently,
advanced
oxidation
processes
(AOPs)
are
being
emphasized
for
pollutant
removal
from
effluents,
as
they
have
shown
higher
efficiencies
when
compared
to
conventional
activated
sludge
processes.
Sulfate
radical-based
methods
some
the
AOPs,
mainly
carried
out
using
persulfate
(PS)
peroxymonosulfate
(PMS),
which
gained
attention
due
ease
sulfate
radical
generation
effective
molecules.
PMS
gaining
more
popularity
its
reactivity
ability
generate
excess
radicals.
has
been
major
focus;
therefore,
mechanism
explained,
limitations
elaborated.
involvement
metal-organic
frameworks
PMS/PS
activation
applied
recent
advances
application
biochar
hydrogel-assisted
discussed.
Environmental Pollutants and Bioavailability,
Journal Year:
2025,
Volume and Issue:
37(1)
Published: Feb. 5, 2025
In
this
study,
peanut
shell-derived
Hydrochar
was
synthesized
via
hydrothermal
carbonization
and
doped
with
MnO₂
nanorods,
which
served
as
a
peroxymonosulfate
activator
for
the
degradation
of
norfloxacin.
The
primary
aim
to
valorize
natural
waste
by
enhancing
its
properties
effective
PMS
activation.
composite
characterized
FTIR,
FESEM-EDX,
XRD,
BET
TGA.
catalytic
performance
MnO₂@HC
showed
an
impressive
98.59%
NOR.
Optimum
batch
study
conditions
were
established
at
pH
3,
dosage
0.07
g
L−
1,
concentration
2
mm
temperature
50°C.
demonstrated
strong
reusability,
75%
NOR
maintained
through
five
cycles.
Radical
scavenger
tests
confirmed
that
SO4●−
•OH
radicals
reactive
species
involved,
while
O2●−
played
minor
role
in
degradation.
A
pathway
proposed
based
on
High
Resolution-Mass
Spectrometer
(HR-MS)
analysis,
identified
intermediate
products
exhibited
reduced
toxicity
towards
aquatic
organisms.
mechanism
involved
cleavage
quinolone
piperazinyl
rings.
These
results
highlight
practical
applicability
catalyst
aqueous
environments.
Environmental Sciences Europe,
Journal Year:
2025,
Volume and Issue:
37(1)
Published: Jan. 16, 2025
Diethyl
phthalate
(DEP),
used
as
a
plasticizer,
is
more
prevalent
in
the
aquatic
environment
due
to
its
widespread
usage
plastics,
cosmetics,
and
numerous
pharmaceutical
industries.
It
potential
endocrine
disruptor,
but
underlying
mechanism
fish
needs
be
investigated.
The
present
study
evaluated
toxic
impacts
of
DEP
exposure
for
30
days
on
commercially
important
Labeo
catla
(Catla).
Alterations
at
multiple
level
endpoints
hypothalamic–pituitary–gonadal
axis
(HPG
axis)
were
assessed.
DEP-induced
changes
oxidative
stress,
histopathological
(liver,
kidney
brain)
bioaccumulation
muscle
also
evaluated.
1/10th
(1.62
mg/L)
1/50th
(0.32
LC50
dose
Catla
revealed
that
it
stimulated
expression
kisspeptin
(Kiss
1
Kiss
2)
genes
hypothalamus,
leading
an
increased
GnRH
concentration
(36.75%)
higher
dose.
brain
FSH
levels
by
11.24
55.42%
times
than
control
both
doses.
This
led
increase
circulating
sex
steroids
E2
(41.62%)
11
KT
(24.59%)
eventually
triggered
hepatic
Vtg
production
(23.90%)
dose-dependent
manner.
lowered
antioxidants
superoxide
dismutase
(SOD)
catalase
(CAT),
effect
being
pronounced
alterations,
such
hepatocyte
vacuolization,
sinusoidal
congestion,
loss
brush
border,
degeneration
lumen,
infiltration
eosinophilic
cells
liver,
brain,
respectively,
noted.
pioneering
could
provide
detailed
insight
into
disruptive
fish,
evidenced
impact
endpoints,
even
low
doses
after
exposure.
output
this
investigation
thus
emphasized
need
regular
monitoring
ecological
risk
assessment.
