Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(24), P. 11942 - 11942
Published: Dec. 20, 2024
Plastics
play
a
crucial
role
in
modern
life,
but
their
accumulation
poses
serious
threat
to
both
the
environment
and
human
health.
Due
effects
on
terrestrial
aquatic
environment,
it
is
essential
develop
sustainable
approaches
dispose
of
waste
plastics.
Traditional
methods
plastic
disposal,
such
as
burning
landfilling,
are
problematic
since
they
produce
hazardous
byproducts.
Biodegradation
potentially
effective,
eco-friendly
approach
which
uses
microbial
consortia
or
isolated
enzymes
break
down
waste.
Enzymes
interact
with
surfaces
hydrolyse
large
polymer
chains
into
smaller
units.
These
byproducts
can
then
be
utilised
carbon
sources
by
microbes,
eventually
converted
CO2
water.
This
review
explores
principal
degradation,
focus
existing
emerging
polymers
made
readily
biodegradable.
In
addition,
valorisation
for
converting
valuable
considered.
The
implementation
circular
economy
expected
lead
further
development,
including
scaling
up
efficient
bio-upcycling
processes,
serve
stimulate
environmental
removal
value-added
use
post-consumer
streams.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
35, P. 103729 - 103729
Published: June 26, 2024
The
interaction
between
microplastics
(MPs)
and
pollutants
is
crucial
for
assessing
the
environmental
risk
of
MPs.
It
necessary
to
pay
attention
adsorption/desorption
behavior
antibiotics
on
MPs
due
their
potential
role
in
antibiotic
resistance.
When
MPs-loaded
are
ingested
by
organisms,
they
enter
gastrointestinal
tract
undergo
desorption,
leading
corresponding
toxic
effects.
Existing
literature
primarily
focuses
adsorption
behavior,
while
there
a
lack
systematic
generalizations
desorption
or
combined
effects
organisms.
Therefore,
this
article
provides
review
mechanisms,
biological
tract.
Desorption
suggests
that
characteristics
(aging
hydrophobicity)
components
fluid
(digestive
enzyme
species
pH)
can
also
have
effect
desorption.
Moreover,
summarizes
induced
MPs-antibiotics,
demonstrating
either
enhance
reduce
plants,
microorganisms,
aquatic
animals.
Since
methodological
uniformity
relevance
natural
environment
main
shortcomings
existing
literature,
future
research
should
focus
actual
water
given
region
studying
at
gene,
protein,
metabolic
levels.
This
direction
expected
provide
valuable
references
insights
evaluating
antibiotics.
Soil Use and Management,
Journal Year:
2025,
Volume and Issue:
41(1)
Published: Jan. 1, 2025
Abstract
Microplastic
(MP)
pollution
is
widespread
and
has
become
a
significant
global
environmental
concern.
This
study
represents
the
first
attempt
to
investigate
abundance
of
MPs
in
open
dumping
scrapyard
sites
Türkiye.
Microplastics
were
identified
soils
surrounding
these
areas,
spanning
eight
provinces.
The
samples
analysed
for
MP
distribution
characteristics,
including
abundance,
shape,
size,
colour
type.
extracted
using
density
separation
with
saturated
K
2
CO
3
,
followed
by
treatment
30%
H
O
.
Chemical
identification
was
conducted
ATR‐FTIR
μ‐FTIR.
Various
types
detected
soil
samples,
averages
311.6
±
113.9
particles
kg
−1
areas
463.3
83.9
areas.
In
predominantly
blue
(35.3%),
fragment‐shaped
(36.6%),
smaller
than
500
μm
(44.7%)
primarily
polyethylene
(81.5%).
Similarly,
(33.1%),
(63.4%),
(55.3%)
mostly
(70.1%).
Principal
Component
Analysis
(PCA)
indicated
that
properties,
such
as
pH,
electrical
conductivity,
organic
matter,
aggregate
stability,
bulk
density,
average
weight
diameter,
sand,
clay
silt,
significantly
influenced
size
soil.
highlights
potential
concerns
regarding
contamination
three
industrially
developed
regions
Türkiye
because
uncontrolled
plastic
waste
The
ubiquitous
distribution
of
microplastics
(MPs)
in
aquatic
environments
is
linked
to
their
transport
rivers
and
streams.
However,
the
specific
mechanism
bedload
microplastic
(MP)
transport,
notably
stochastic
behaviors,
remains
an
underexplored
area.
To
investigate
this,
particle
tracking
velocimetry
was
employed
examine
continuous
near-bed
movements
four
types
MPs
under
nine
setups
with
different
experimental
conditions
a
laboratory
flume,
emphasis
on
streamwise
transport.
It
found
that
velocity
follows
normal
distribution,
which
can
be
characterized
using
proposed
equations
estimate
ensemble
mean
standard
deviation
MP
velocity.
show
low
relative
errors
∼5%
when
compared
data.
This
study
also
revealed
similarities
movement
sediments
diffusion
process.
A
superdiffusive
regime
observed,
inertia
identified
as
primary
source
this
anomalous
diffusion.
These
results
indicate
adopting
probabilistic
framework
may
provide
promising
avenue
for
improving
numerical
models
enhancing
understanding
behavior.
