Sustainability,
Год журнала:
2024,
Номер
16(11), С. 4541 - 4541
Опубликована: Май 27, 2024
The
complex
aquatic
system
of
dam
reservoirs
is
known
to
trap
emerging
pollutants
as
microplastics
(MPs)
in
sediments
and
water
column.
Considering
the
knowledge
gaps
this
type
environment,
we
investigated
amount
distribution
MPs
surface
layer,
well
deep
Siriu
Reservoir
Buzău
River
system,
which
located
southern
area
Eastern
Carpathians,
Romania.
There
was
a
discrepancy
between
MP
abundancy
both
sediment
samples
collected
near
reservoir
(5.3
MPs/m3,
315.5
MPs/kg)
at
several
kilometers
downstream
(1.4
132.5
MPs/kg).
chronological
accumulation
lacustrine
determined
by
analyzing
5
cm
intervals
50
length
core
extracted
from
bed.
By
comparing
concentration
identified
each
interval
with
solid
debit
volumes
registered
last
decade,
found
that
flood
events
could
be
traced
easily
due
abundant
accumulation.
Morphologically,
particles
were
observed
mainly
fibers
fragments.
Fourier
transform
infrared
spectroscopy
(FT-iR)
investigations
most
polypropylene
(28%),
polyethylene
(26%),
terephthalate
(19%).
Journal of Hazardous Materials Advances,
Год журнала:
2024,
Номер
14, С. 100426 - 100426
Опубликована: Апрель 12, 2024
In
recent
years,
the
escalating
concerns
surrounding
pervasive
presence
of
microplastics
in
environment
had
prompted
a
pressing
need
to
evaluate
their
potential
impacts
on
ecosystems
and
human
health.
This
study
investigates
pathways
implications
microplastic
intake
through
poultry
product
consumption
by
focusing
environmental
toxicity
health
risks.
Through
an
integrated
approach
encompassing
available
experimental
data
literature
synthesis,
intricate
mechanisms
transfer
from
feed
animal
tissues
are
elucidated
highlighting
such
contamination.
An
in-depth
toxicological
assessment
evaluated
risks
associated
with
ingestion
food
emphasizing
acute
chronic
effects
well-being.
emphasizes
urgency
implementing
informed
policy
decisions
sustainable
practices
mitigate
posed
contamination
chain.
The
insights
provided
this
serve
as
foundational
basis
for
generating
awareness
effective
measures
aimed
at
safeguarding
both
integrity
well-being
threats
pollution.
ACS Agricultural Science & Technology,
Год журнала:
2024,
Номер
4(5), С. 614 - 625
Опубликована: Апрель 9, 2024
This
study
examines
microplastics
(MPs)
for
the
first
time
in
soil
of
Diamond
City,
Surat
(Gujarat,
India)
terms
their
abundance,
distribution,
chemical
composition,
and
ecological
risk
assessment.
A
stereomicroscope
Fourier
transform
infrared
spectroscopy
were
used
to
measure
physical
properties
MPs.
The
outcome
showed
omnipresence
MPs
city's
soil,
with
an
average
abundance
103.2
±
57.28
particles
100
g–1.
Over
90%
all
made
polyethylene
(70.19%),
polypropylene
(17.53%),
poly(ethylene
terephthalate)
(6.92%)
polymers.
white/transparent-colored
having
a
size
about
2–5
mm
are
predominantly
available.
principal
component
analysis
(PCA)
results
indicate
that
discovered
samples
mostly
represented
by
fragments
fibers,
which
account
52.90%
total
variance
data
set.
Additionally,
current
research,
assessment
pollution
load
index
(PLI),
polymer
hazard
(PHI),
(ERI)
studied.
PLI
values
greater
than
1
observed,
indicating
sampling
sites
polluted
Based
on
type
polymer,
toxicity
found
sample,
evaluation
concluded
there
is
moderate
medium
associated
polluting
city
soil.
greatest
PHI
value
this
239.69
(risk
category:
medium),
while
lowest
8.69
low).
greenness
profile
method
was
assessed
using
software-based
analytical
metric
(AGREE)
tool.
developed
approach
partially
green,
as
shown
AGREE
score
0.53.
present
investigations
emphasize
critical
importance
taking
action
metropolitan
areas
such
mitigate
MP
improve
waste
management
practices
greener
cleaner
ecosystem
future.
These
findings
will
inspire
creation
ecofriendly
alternatives
crucial
reducing
plastic
consumption,
safeguarding
ecosystems,
mitigating
MPs'
impact
quality.
Sustainability,
Год журнала:
2024,
Номер
16(11), С. 4541 - 4541
Опубликована: Май 27, 2024
The
complex
aquatic
system
of
dam
reservoirs
is
known
to
trap
emerging
pollutants
as
microplastics
(MPs)
in
sediments
and
water
column.
Considering
the
knowledge
gaps
this
type
environment,
we
investigated
amount
distribution
MPs
surface
layer,
well
deep
Siriu
Reservoir
Buzău
River
system,
which
located
southern
area
Eastern
Carpathians,
Romania.
There
was
a
discrepancy
between
MP
abundancy
both
sediment
samples
collected
near
reservoir
(5.3
MPs/m3,
315.5
MPs/kg)
at
several
kilometers
downstream
(1.4
132.5
MPs/kg).
chronological
accumulation
lacustrine
determined
by
analyzing
5
cm
intervals
50
length
core
extracted
from
bed.
By
comparing
concentration
identified
each
interval
with
solid
debit
volumes
registered
last
decade,
found
that
flood
events
could
be
traced
easily
due
abundant
accumulation.
Morphologically,
particles
were
observed
mainly
fibers
fragments.
Fourier
transform
infrared
spectroscopy
(FT-iR)
investigations
most
polypropylene
(28%),
polyethylene
(26%),
terephthalate
(19%).