Water,
Год журнала:
2023,
Номер
15(5), С. 921 - 921
Опубликована: Фев. 27, 2023
The
widespread
occurrence
of
microplastics
(MPs)
has
resulted
in
their
interaction
with
biological
processes.
Thus,
there
is
a
great
concern
about
the
potential
toxicity
MPs
on
animal
and
plant
cells
possibility
that
reach
humans
through
food
web.
In
order
to
shed
light
both
issues,
laboratory
assays
were
performed
for
evaluating
effects
polyethylene
(PE)
microparticles
aquatic
Spirodela
polyrhiza
(L.)
Schleid.
gammarid
Echinogammarus
veneris
(Heller,
1865).
Moreover,
stock
MP-treated
plants
was
used
feed
individuals,
presence
MP
particles
digestive
tracts
analyzed.
Results
evidenced
lack
toxic
plants,
evaluated
at
growth
physiological
level
by
biometric
parameters,
pigment
content,
photosynthetic
performance
estimated
chlorophyll
fluorescence
imaging
ETPT
(EcoTox
Photosystem
Tool).
Only
slight
reduction
pigment-related
indices
observed.
A
remarkable
genotoxic
effect
instead
highlighted
Comet
assay
hemocytes
individuals
exposed
MPs,
three
times
more
DNA
damage
(expressed
as
Tail
Moment)
compared
control
ones.
Finally,
gut
content
gammarids
fed
revealed
7.6
particles/individual,
highlighting
trophic
transfer
among
freshwater
ecosystem
organisms.
Novel
indications
impact
PE
compartment
are
provided.
Notably,
between
primary
producer
consumer
organisms
chain
associated
ingestion
such
issues
web
leading
human
diet.
Applied Spectroscopy Reviews,
Год журнала:
2024,
Номер
59(9), С. 1183 - 1277
Опубликована: Фев. 8, 2024
Plastics
are
in
high
demand
for
various
uses
worldwide
because
of
their
low
cost,
versatility,
lightweight,
density,
flexibility,
strength,
and
durability.
An
increase
single-use
plastics
ineffective
solid
waste
disposal
recycling
strategies
have
resulted
a
global
microplastic
(MP)
pollution
epidemic,
with
negative
implications
the
ecosystem
public
health
safety.
Analytical
methods,
including
thermogravimetry
chromatography,
been
developed
to
detect
MPs.
Nevertheless,
molecular
spectroscopy
methods
such
as
Near
Infrared
(NIR),
Fourier
Transform
(FTIR),
Raman,
fluorescence
MP
analysis
gained
attention
recent
years
due
rapidity,
accuracy,
portability
spectrometers.
This
review
article
provides
in-depth
coverage
survey
current
literature
on
challenges,
toxicity,
sample
pretreatment,
spectroscopic
(Fluorescence,
FTIR)
real-time
(satellite
imagery,
unmanned
aerial
vehicles,
aquatic
drone
technology)
detection
methods.
Machine
learning,
micro-hyperspectral
imaging,
chemometrics
approach
detections
discussed.
The
future
directions,
prospects
decreasing
Heliyon,
Год журнала:
2024,
Номер
10(7), С. e29041 - e29041
Опубликована: Апрель 1, 2024
Pollution
of
plastic
waste
in
aquatic
ecosystems
Ghana
is
significant
concern
with
potential
adverse
effects
on
food
safety
and
ecosystem
function.
This
study
examined
the
abundance
distribution
microplastics
(MPs)
freshwater
biota
samples
namely:
African
river
prawn
(Macrobrachium
vollenhovenii),
Volta
clam
(Galatea
paradoxa),
Nile
tilapia
(Oreochromis
niloticus),
sediment
from
Lake.
Both
were
subjected
to
microscopic
identification
FTIR
analysis.
In
samples,
highest
mean
microplastic
4.7
±
2.1
items
per
individual
was
found
prawn,
while
recorded
least
(2.8
0.6
individual).
A
total
398
particles
observed
Microfibers
major
shapes
identified
samples.
We
relationship
between
abundance,
size,
properties.
Despite
lack
statistical
significance,
shape,
polymer
composition
assessed
organisms
mirrored
those
benthic
sediment.
Polyethylene,
polypropylene,
polyester,
polystyrene
four
dominant
types
sediments.
Although
estimated
human
exposure
relatively
low
compared
studies
other
regions
world,
presence
raises
for
fisheries
products
consumed
by
general
populace
country.
research
essential
developing
effective
mitigation
measures
tackling
wider
contamination
Ghana's
ecosystems,
particularly
Water,
Год журнала:
2023,
Номер
15(5), С. 921 - 921
Опубликована: Фев. 27, 2023
The
widespread
occurrence
of
microplastics
(MPs)
has
resulted
in
their
interaction
with
biological
processes.
Thus,
there
is
a
great
concern
about
the
potential
toxicity
MPs
on
animal
and
plant
cells
possibility
that
reach
humans
through
food
web.
In
order
to
shed
light
both
issues,
laboratory
assays
were
performed
for
evaluating
effects
polyethylene
(PE)
microparticles
aquatic
Spirodela
polyrhiza
(L.)
Schleid.
gammarid
Echinogammarus
veneris
(Heller,
1865).
Moreover,
stock
MP-treated
plants
was
used
feed
individuals,
presence
MP
particles
digestive
tracts
analyzed.
Results
evidenced
lack
toxic
plants,
evaluated
at
growth
physiological
level
by
biometric
parameters,
pigment
content,
photosynthetic
performance
estimated
chlorophyll
fluorescence
imaging
ETPT
(EcoTox
Photosystem
Tool).
Only
slight
reduction
pigment-related
indices
observed.
A
remarkable
genotoxic
effect
instead
highlighted
Comet
assay
hemocytes
individuals
exposed
MPs,
three
times
more
DNA
damage
(expressed
as
Tail
Moment)
compared
control
ones.
Finally,
gut
content
gammarids
fed
revealed
7.6
particles/individual,
highlighting
trophic
transfer
among
freshwater
ecosystem
organisms.
Novel
indications
impact
PE
compartment
are
provided.
Notably,
between
primary
producer
consumer
organisms
chain
associated
ingestion
such
issues
web
leading
human
diet.
