Frontiers in Bioengineering and Biotechnology,
Journal Year:
2020,
Volume and Issue:
8
Published: Dec. 4, 2020
Microplastic
pollution
is
a
global
issue
that
has
detrimental
impact
on
food
safety.
In
marine
environments,
microplastics
are
threat
to
organisms,
as
they
often
the
same
size
range
prey
and
mistaken
food.
Consumption
of
led
damage
digestive
organs
reduction
in
growth
reproductive
output.
this
study,
microplastic
was
assessed
across
three
commercially
available
shrimp
species
were
obtained
from
supermarkets
Singapore.
A
total
93
individuals
studied
Pacific
white
leg
shrimp,
Litopenaeus
vannamei
,
Argentine
red
Pleoticus
muelleri
Indian
Fenneropenaeus
indicus
.
fibers,
fragments,
film
spheres
identified
tract
these
organisms.
abundance
ranged
13.4
7050
items.
F.
exhibited
highest
number
microplastics.
most
abundant
L.
(93–97%)
P.
(70%)
(61%)
individuals.
This
study
demonstrates
contamination
evident
commonly
consumed
highlights
role
trophic
transfer
accumulation
seafood.
The
consumption
microplastic-containing
seafood
route
exposure
humans
implications
human
health
security.
Capsule:
Microplastics
examined
items
shrimp.
Frontiers in Marine Science,
Journal Year:
2022,
Volume and Issue:
9
Published: March 9, 2022
Plastic
pollution
is
a
fast-rising
environmental
catastrophe.
Microplastics
and
nanoplastics
(MNPs)
are
ubiquitous
components
of
most
aquatic
environments,
their
burgeoning
prevalence
endangering
organisms.
Recent
studies
have
documented
the
entanglement
marine
freshwater
biota
by
plastic
litters,
particularly
ghost
fishing
gear,
resulting
in
suffocation,
drowning,
or
starving
to
death.
Numerous
reports
shown
that
organisms
readily
ingest
accumulate
these
emerging
contaminants
digestive
systems.
Given
experimental
evidence
contaminants-laden
MNPs
can
persist
gastrointestinal
tract
for
considerable
durations,
investigations
high
probability
lethal
sublethal
toxicological
effects
associated
with
direct
indirect
ingestions.
These
include
chronic
protein
modulation,
DNA
damage,
embryotoxicity,
toxicity,
genotoxicity,
growth
inhibition
histopathotoxicity,
liver
neurotoxicity,
oxidative
stress,
reproductive
tissue
damage.
Today,
proven
transfer
across
food
web
humans.
However,
mechanisms
multiple
MNPs-induced
toxicities,
size-dependent
comprehensive
mode-of-action
alterations
digestive,
reproductive,
neurological
systems’
functionality
still
unclear.
Thus,
this
review
mainly
addresses
prevalence,
interactions,
toxicity
assessment
micro(nano)
plastics
It
summarizes
based
on
following
broad
objectives:
(1)
occurrence
particles
environments;
(2)
ingestion
exposure
routes
bioaccumulation
contaminated
higher
trophic
entities;
(3)
adsorption
desorption
persistent
organic
pollutants,
metals,
chemical
additives
on/from
micro(nano)plastics;
(4)
probable
ecotoxicological
micro(nano)plastics
biota.
Environmental Technology & Innovation,
Journal Year:
2022,
Volume and Issue:
28, P. 102946 - 102946
Published: Oct. 22, 2022
The
wastewater
treatment
plants
(WWTPs)
have
long
been
recognized
as
a
potentially
significant
source
of
microplastic
(MPs)
pollution
in
aquatic
environments.
It
is
challenging
to
precisely
detect
and
efficiently
remove
MPs
from
due
the
lack
standard
protocol
removal
technologies.
Although
many
advances
made
characterization
quantification
wastewater,
polydisperse
degradation-resistant
properties
WWTPs'
broad
nature
specific
design
allow
pass
through
processes.
This
review
highlights
current
understanding
on
occurrence,
fate
expulsion
MPs,
recent
detection
status,
advanced
sustainable
technologies
for
WWTPs
conversion
into
renewable
energy
sources.
Specifically,
different
techniques
collect
sewage
sludge
pre-treatment,
classification
approaches
retention
are
reviewed
analyzed.
Previous
studies
undoubtedly
improved
our
understanding,
but
unanswered
questions
need
be
answered.
main
challenges
appear
harmonization
methods
levels
sludge.
To
address
this
challenge,
an
alternative
methodological
approach
effluent
sampling
was
developed
that
eliminate
sample
contamination
by
synthetic
fibre
deposition
during
processing.
In
parallel,
methodology
samples
effectively
separates
organic
organometal
compositions
samples,
achieving
average
extraction
efficiency
81.9%.
determined
fibres
were
released
greater
quantities
than
over
short
period
which
collected.
Recommendations
further
refinement
formulated
authoritative
standardization
recognized.
Ocean science,
Journal Year:
2022,
Volume and Issue:
18(1), P. 1 - 28
Published: Jan. 4, 2022
Abstract.
Plastic
debris
is
the
most
common
and
exponentially
increasing
human
pollutant
in
world's
ocean.
The
distribution
impact
of
plastic
Pacific
Atlantic
oceans
have
been
subject
many
publications
but
not
so
Indian
Ocean
(IO).
Some
IO
rim
countries
highest
population
densities
globally
mismanagement
waste
concern
these
states.
plastic-polluted
rivers
empty
into
IO,
with
all
this
suggesting
that
receives
a
tremendous
amount
each
year.
However,
concentration,
distribution,
impacts
plastics
are
poorly
understood
as
region
under-sampled
compared
to
other
oceans.
In
review,
we
discuss
sources
sinks,
which
specific
IO.
We
also
unique
atmospheric,
oceanographic,
topographic
features
control
such
reversing
wind
directions
due
monsoon,
fronts,
upwelling
regions.
identify
hotspots
possible
accumulation
differ
between
two
hemispheres.
southern
accumulate
garbage
patch
subtropical
gyre.
well
defined,
may
leak
or
Ocean.
There
no
gyre
associated
northern
presence
landmasses.
Instead,
majority
buoyant
likely
end
up
on
coastlines.
Finally,
vast
knowledge
gaps
concerning
point
pressing
topics
for
future
investigation.
