Pollution characterization and multi-index ecological risk assessment of microplastics in urban rivers from a Chinese megacity
Journal of Hazardous Materials,
Journal Year:
2024,
Volume and Issue:
480, P. 136145 - 136145
Published: Oct. 11, 2024
Language: Английский
Microplastic Contamination in Agricultural Soils Across India: A Systematic Review of Studies and Research Gaps
Viplav Anand,
No information about this author
Paul Sheel
No information about this author
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 4, 2025
Abstract
Microplastic
contamination
in
India
has
been
extensively
studied
aquatic
ecosystems,
yet
its
implications
for
agricultural
soils
remain
insufficiently
addressed.
This
research
paper
bridges
this
gap
by
analyzing
data
from
73
studies
published
between
2020
and
2024,
synthesizing
findings
on
microplastic
across
diverse
ecosystems
assessing
their
potential
impact
land.
While
most
focus
microplastics
beaches,
rivers,
lakes,
ponds,
only
a
limited
number
directly
investigate
soils,
highlighting
significant
gap.
Key
sources
identified
include
irrigation
with
polluted
water,
atmospheric
deposition,
industrial
discharge,
inadequate
waste
management,
practices
such
as
plastic
mulch
use.
In
Northern
India,
extensive
networks
sourcing
water
the
Ganga,
Yamuna,
Sutlej
rivers
pose
risks
of
infiltration
into
farmland.
Western
experiences
high
due
to
effluents,
urban
waste,
practices.
Southern
Eastern
coastal
regions
face
marine
estuarine
pollution,
potentially
affecting
soil
crop
health.
Additionally,
Northeastern
shows
threats
microplastic-laden
bodies
deposition
near
lands.
The
review
underscores
urgent
need
standardized
methodologies,
comprehensive
sampling,
targeted
pathways
ecosystems.
By
identifying
high-risk
zones
knowledge
gaps,
study
provides
foundation
future
aimed
at
mitigating
growing
threat
pollution
India’s
sector.
Addressing
these
challenges
is
crucial
ensuring
health,
food
security,
environmental
sustainability.
Language: Английский
A Method for the Extraction and Analysis of Microplastics from Tropical Agricultural Soils in Southeastern Brazil
Soil Systems,
Journal Year:
2025,
Volume and Issue:
9(2), P. 34 - 34
Published: April 11, 2025
Microplastics
(MP)
are
widespread
pollutants
that
pose
a
risk
to
soil
ecosystems
globally,
especially
in
agricultural
soils.
This
study
introduces
method
extract
and
identify
MP
Brazilian
tropical
soils,
targeting
debris
of
low-density
polyethylene
(LDPE)
polyvinyl
chloride
(PVC)
polymers,
commonly
present
settings.
The
involves
removing
organic
matter
extracting
using
density
separation
with
three
flotation
solutions:
distilled
water,
NaCl,
ZnCl2.
Extracted
then
analyzed
through
optical
microscopy
Fourier
transform
infrared
spectroscopy.
removal
efficiency
ranged
from
46%
89%,
depending
on
the
initial
content
soil.
Recovery
rates
for
LDPE
81.0%
98.8%,
while
PVC
samples
showed
range
59.7%
75.2%.
Finally,
this
methodology
was
tested
four
raw
(i.e.,
without
any
polymer
enrichment)
values
found
were
2517.5,
2245.0,
3867.5,
1725.0
items
kg−1,
ferralsol,
nitisol,
gleysol,
cambisol
samples,
respectively,
having
diverse
shapes
including
fragments,
granules,
films,
fibers.
approach
lays
groundwork
future
studies
behavior
Language: Английский
Microplastics and nanoplastics: fate, transport, and governance from agricultural soil to food webs and humans
Environmental Sciences Europe,
Journal Year:
2025,
Volume and Issue:
37(1)
Published: May 2, 2025
Language: Английский
The Fate of Microplastics from Terrestrial to Coastal Environments Along the Western Continental Margin of India
Niyati Gopinath Kalangutkar,
No information about this author
Shritesh Mhapsekar
No information about this author
Published: Jan. 1, 2025
Language: Английский
Advancing the Understanding of Microplastic Weathering: Insights from a Novel Polarized Light Scattering Approach
Mengyang Liu,
No information about this author
H.M. Liu,
No information about this author
Keran Yang
No information about this author
et al.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(42), P. 19004 - 19015
Published: Oct. 10, 2024
Weathering
is
a
significant
process
that
alters
the
properties
of
microplastics
(MPs)
and
consequently
affects
their
environmental
behaviors.
In
this
study,
we
introduced
novel
approach
based
on
polarized
light
scattering
technique,
which
offers
advantages
in
terms
rapid,
high-throughput,
submicron-sized
detection.
This
technique
was
successfully
applied
to
characterize
weathered
MPs
after
180-day
laboratory
simulation
coastal
environments.
By
employing
polarization
measurements,
obtained
46-dimensional
matrix
data
set
for
MP
fragments
subsequently
processed
them
using
backpropagation
neural
network.
The
successful
extraction
effective
pulses
confirmed
presence
within
size
range
0.2-60
μm,
yielding
total
accuracies
classification
ranging
from
78.9
86.9%.
Furthermore,
achieved
an
overall
accuracy
93.8%
classifying
with
different
weathering
degrees
polymer
types,
revealing
parameters
associated
morphological
changes
play
dominant
role
characterizing
MPs.
Compared
conventional
approaches,
holds
great
promise
accurate
characterization
small
sizes.
findings
study
provided
new
insights
into
how
change
long-term
aquatic
Language: Английский
Microplastics, their effects on ecosystems, and general strategies for mitigation of microplastics: A review of recent developments, challenges, and future prospects
Environmental Pollution and Management,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Language: Английский
Microplastic Pollution in the street dust of Delhi: A study on seasonal variations
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 6, 2025
Abstract
Microplastics
(MPs)
pollution
is
a
serious
environmental
issue,
particularly
in
heavily
polluted
cities
of
India.
Despite
its
relevance,
comprehensive
studies
on
MPs
contamination
street
dust
are
lacking.
This
primary
study
aims
to
address
this
gap
by
investigating
across
various
areas
Delhi
during
two
different
seasons.
Samples
were
collected
from
four
distinct
locations
Delhi:
industrial
(Okhla
Phase
1),
commercial
(Connaught
Place),
institutional
(CSIR-National
Physical
Laboratory),
and
landfill
(Bhalswa)
the
post-monsoon
summer
abundance
ranged
4.44
±
1.11
100
g⁻¹
18.88
4.00
areas.
During
summer,
concentrations
increased,
with
showing
highest
counts
at
116.66
18.95
areas,
lowest
35.55
12.52
dust.
FTIR
analysis
identified
polymers
such
as
high-density
polyethylene
(HDPE),
low-density
(LDPE),
polystyrene
(PS),
terephthalate
(PET)
whereas
scanning
electron
microscopy
(SEM)
revealed
degradation
patterns
surface
MPs.
Fragments
fibres
most
common
shapes
reported
both
Our
results
confirmed
widespread
evidence
Delhi,
posing
significant
health
risks.
Immediate
action
collaboration
needed
develop
effective
mitigation
strategies.
provides
foundation
for
future
research
interventions
urban
environments.
Language: Английский
Is the River Ganga a gigantic contributor to microplastic contamination in the groundwater ecosystem under the aegis of climatic extremes?
Priyansha Gupta,
No information about this author
M. Kumar
No information about this author
Journal of Contaminant Hydrology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 104623 - 104623
Published: May 1, 2025
Language: Английский
Assessment of anthropogenic particles in Holothuria sanctori from Tenerife (Canary Islands, Spain)
Marine Pollution Bulletin,
Journal Year:
2024,
Volume and Issue:
208, P. 117013 - 117013
Published: Sept. 24, 2024
Language: Английский