Water Environment Research,
Journal Year:
2025,
Volume and Issue:
97(2)
Published: Feb. 1, 2025
Abstract
Microplastics
(MPs)
are
ubiquitous
in
the
marine
environment
and
harmful
for
biodiversity.
This
review
was
based
on
311
studies
published
various
online
platforms
between
2006
2024
MP
contamination
sediment
water
different
countries
of
Asia.
The
research
highlights
an
increasing
trend
studies,
with
China
India.
Analytical
techniques
sample
collection,
digestion,
flotation,
polymer
identification
discussed.
Fourier
transform
infrared
spectroscopy
(FTIR)
emerged
as
preferred
method
identification.
maximum
sediments
recorded
at
Taiwan
Indonesia,
while
China,
Malaysia,
fiber
most
dominant
shape.
1–2
mm
500
μ—1
mm‐sized
MPs
having
blue
color
were
found
dominantly.
pollution
indices
revealed
a
very
high
risk
all
Asian
countries.
Practitioner
Points
India
leading
publications
studies.
Common
tools
used
steel
scoop/spatula/shovel
sediment,
nets
water.
FTIR
is
Highest
Indonesia
Dominant
shape:
fiber;
size
μ–1
mm,
color.
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.
