Environmental Geochemistry and Health,
Journal Year:
2024,
Volume and Issue:
47(1)
Published: Nov. 28, 2024
Abstract
The
outbreak
of
the
coronavirus
disease
2019
(Covid-19)
led
to
high
consumption
antibiotics
such
as
azithromycin
well
corticosteroids
prednisone,
prednisolone,
and
dexamethasone
used
treat
disease.
Seemingly,
concentrations
these
four
Covid-19
drugs
increased
in
wastewater
effluents
surface
water
resources.
This
is
due
failure
traditional
treatment
facilities
(WWTFs)
eliminate
pharmaceuticals
from
wastewater.
Therefore,
objective
current
research
was
review
present
state
literature
on
occurrence
resources,
associated
risks
toxicity,
their
fate,
emergence
combined
pollutants
heavy
metals.
From
late
date,
observed
at
935
ng/L,
prednisone
433
prednisolone
0.66
360
respectively,
These
had
substantially
resources
were
all
attributed
pollution
by
rise
Covid-?19
infections.
phenomenon
also
exacerbated
observation
pseudo-persistence
drugs,
long
half-life
periods,
excretion
human
body
with
about
30?90%
parent
drug.
Nonetheless,
aquatic
health
toxicity
are
unknown
deemed
too
low;
thus,
neglecting
possible
long-term
effects.
Also,
accumulation
presents
development
metals
that
yet
be
investigated.
pollutants,
including
fate
remains
a
gap
undoubtably
needs
Toxics,
Journal Year:
2023,
Volume and Issue:
11(8), P. 654 - 654
Published: July 28, 2023
The
Huangshui
National
Wetland
Park
(HNWP)
is
a
unique
national
wetland
park
in
city
on
the
Qinghai-Tibetan
Plateau,
containing
three
zones:
Haihu,
Beichuan,
and
Ninghu.
In
this
study,
total
of
54
soil
samples
(18
sampling
points
with
depths
0-10
cm,
10-20
20-30
cm)
were
collected
these
zones,
contents
heavy
metals
(Cr,
Cd,
Cu,
Hg,
Ni,
Pb,
Zn,
As)
each
sample
determined.
ecological
risk
eight
kinds
was
evaluated
by
using
geo-accumulation
index
(Igeo),
risk-controlling
effect
Xining
urban
wetlands
explored
comparative
analysis,
possible
sources
analyzed
via
correlation
analysis
principal
component
(PCA).
results
revealed
that
metal
concentration
order
Haihu
>
Beichuan
Ninghu
zone.
As
Cu
presented
vertical
accumulation
characteristics
surface
lower
horizon,
respectively.
Cr,
Zn
accumulated
downwards
along
depth.
On
spatial
scale,
enrichments
Cd
Hg
brought
non-negligible
risks
plateau
wetlands.
PCA
indicated
mainly
came
from
compound
domestic
atmospheric
influences,
traffic
pollution
sources,
industrial
sources.
study
has
human
activities
have
inevitable
negative
impacts
ecosystems,
while
HNWP
provides
significant
weakening
pollution.
Toxics,
Journal Year:
2024,
Volume and Issue:
12(12), P. 923 - 923
Published: Dec. 20, 2024
The
species
sensitivity
distribution
(SSD)
analysis
for
aquatic
ecosystems
has
been
increasingly
used
in
risk
assessment.
However,
existing
analyses
of
the
impact
trace
metals
lake
sediments
on
organisms
often
neglect
spatiotemporal
variability
metal
release.
This
oversight
can
result
ecological
assessments
that
lack
specificity.
To
address
this
gap,
we
collected
32
core
sediment
samples
from
Lake
Chaohu
to
systematically
investigate
toxicological
risks
posed
by
release
eight
indicators
into
overlying
water
column
under
four
hydrological
scenarios
throughout
year.
Results
indicated
only
Cu,
Pb,
and
Zn
exhibit
persistent
risks.
comprehensive
showed
spatial
differences,
increasing
western
region
eastern
region,
i.e.,
<
central
region.
Seasonally,
levels
are
ordered
as
follows:
May
September
November
April
following
year
June
August.
summer
(June
August)
was
identified
high-risk
area
period
pollution
sediments.
Based
these
conclusions,
it
is
recommended
implement
control
environmental
monitoring
measures
during
effectively
metals.
