PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(11), P. e0312157 - e0312157
Published: Nov. 6, 2024
Wastewater
treatment
plants
(WWTPs)
receive
wastewater
from
various
sources.
Despite
aiming
to
remove
contaminants,
microplastics
persist.
Plastic
surfaces
are
quickly
colonized
by
microbial
biofilm
(“plastispheres”).
Plastisphere
communities
suggested
promote
the
spread
and
survival
of
potential
human
pathogens,
suggesting
that
transfer
plastispheres
environment
could
pose
a
risk
environmental
health.
The
study
aimed
identify
pathogens
in
plastispheres,
specifically
food-borne
addition
characterizing
taxonomic
diversity
composition
plastispheres.
Plastispheres
accumulated
on
polypropylene
(PP),
polyvinyl
chloride
(PVC),
high-density
polyethylene
propylene
(HDPE)
exposed
raw
treated
were
analyzed
via
cultivation
methods,
quantitative
reverse
transcription
PCR
(RT‒qPCR)
16S
rRNA
amplicon
sequencing.
RT‒qPCR
revealed
presence
foodborne
pathogenic
bacteria
viruses,
such
as
Listeria
monocytogenes
,
Escherichia
coli
norovirus,
adenovirus.
Viable
isolates
emerging
species
Klebsiella
pneumoniae
Acinetobacter
spp.
identified
wastewater,
indicating
might
survive
during
treatment.
These
findings
underscore
harbor
disseminate
species,
posing
challenges
water
reuse
initiatives.
explored
through
sequencing,
significantly
influenced
duration
time
plastic
spent
wastewater.
In
contrast,
specific
material
did
not
influence
bacterial
composition,
while
was
affected.
Without
efficient
proper
waste
management,
act
source
transferring
plastic-associated
into
food
chain
possibly
threat
Continued
research
innovation
essential
improve
removal
associated
microorganisms
Civil Engineering Journal,
Journal Year:
2024,
Volume and Issue:
10(4), P. 1265 - 1291
Published: April 1, 2024
In
an
extensive
exploration
of
microplastics
within
soil
environments,
our
study
aims
to
investigate
the
presence,
spread,
and
ecological
impact
in
soil,
focusing
on
Makassar
City,
Indonesia.
Using
a
Sinher
binocular
digital
microscope,
we
visually
examined
samples
Petri
dishes,
measuring
microplastic
sizes
with
Image-J
software.
Fourier-transform
infrared
(FTIR)
spectroscopy
was
also
employed
for
additional
identification
analysis
polymer
compositions.
Our
research
uncovered
widespread
presence
across
diverse
types
land
uses,
including
residential,
fishpond,
agricultural,
landfill,
coastal,
bareland
areas.
The
concentration
these
found
be
between
16.6
21.9
particles/gram,
showing
consistency
most
some
variations
coastal
We
noted
significant
variety
forms,
predominantly
fragments
films,
different
uses.
A
wide
range
colors
observed,
blue,
green,
red,
transparent.
Polyethylene
(PE)
polypropylene
(PP)
were
identified
as
predominant
polymers.
highlights
non-uniform
distribution
suggesting
potential
impacts
organisms
wider
ecosystem.
These
findings
underscore
critical
need
more
comprehensive
implications
environments.
Doi:
10.28991/CEJ-2024-010-04-017
Full
Text:
PDF
Environmental Quality Management,
Journal Year:
2024,
Volume and Issue:
34(1)
Published: Feb. 22, 2024
Abstract
Ditch
irrigation
is
an
important
route
that
potentially
discharges
microplastics
(MPs)
into
environment.
Samiran
ditch
the
largest
urban
in
Pamekasan
City,
Indonesia.
Water
and
sediment
samples
were
collected
to
identify
MPs
including
their
color,
shape,
size,
number
of
MPs.
From
all
sampling
locations,
found
both
water
sediments
with
sizes
ranging
from
0.1
mm
2.9
mm.
The
abundance
ranged
0.5
0.9
items/L,
while
0.14
0.23
items/g
colors
black,
blue,
yellow.
polymer
types
polyethyleneimine
(PEI)
polypropylene
(PP)
surface
sample.
such
as
fragments,
filament,
fiber,
pellet
fiber
was
dominant
(40%)
fragment
(25%).
International Journal of Environmental & Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 20
Published: Feb. 5, 2024
To
explore
the
existence
of
microplastics
(MPs)
in
agricultural
soils
Coimbatore
region
Tamil
Nadu,
India,
this
study
was
carried
out
six
sites
with
distinct
agronomic
practices
and
inputs.
Using
density-digestion
separation
method,
81%
organic
matter
(OM)
removed
MPs
were
quantified
characterised
using
a
stereo
microscope
ATR-FTIR.
MP
abundance
treated
sewage
irrigated
field
(1,650
items
kg−1)
>
paddy
(1,500
integrated
farming
system
(1,250
inorganic
fertilisers
applied
(1,025
manures
(1,000
plastic
mulched
(800
assessed
more
than
50%
at
<
500
µm
size,
which
exhibited
that
smaller
tend
to
transfer
into
soil
layers
affect
organisms
through
food
chain.
The
most
prevailing
colours
blue
(37.71%),
black
(29.41%),
pink
(23.87%)
polyethylene
as
widely
distributed
polymer
type
among
all
composition.
risk
assessment
revealed
highest
hazard
level
category
V
contamination
irrespective
abundance.
This
emphasises
significant
influence
inputs,
irrigation
practices,
location,
atmospheric
inputs
provides
baseline
for
further
research
understand
trophic
ecosystems
its
effects
on