Ecologica Montenegrina,
Journal Year:
2024,
Volume and Issue:
80, P. 106 - 127
Published: Dec. 5, 2024
Aquatic
insects
may
be
at
risk
due
to
microplastics,
which
are
new
pollutants
in
the
water
that
known
sink
and
accumulate
sediments.
In
this
study,
concentration,
type,
size,
color
of
MPs
surface
water,
sediments,
aquatic
were
investigated
rice
fields.
The
MP
concentrations
85.8
items/L.
sediment
0.43
items/g.
predatory
insects,
microplastics
discovered
0.59±0.50–17.00±17.00
items/individual,
scrapers
2.45±2.66–9.00±9.00
collector-gathering
2.45±2.66–25.00±25.99
items/individual.
Fibers
predominant
type
sediment,
insects.
most
common
sizes
<100
µm
>500
200-250
water.
dominant
colors
detected
blue
white/transparent
sediment.
Polyethylene
terephthalate
(PET),
polyvinyl
acetate
(PVAc),
polypropylene
glycol
(PPG),
polyethylene
(PEG),
poly
(acrylamide-co-acrylic
acid)
(poly
(AM-co-AA),
(vinyl
methyl
ether)
(PVME),
bis(2-ethylhexyl)
phthalate
(DEHP)
major
polymer
types
selected
particles.
results
study
showed
concentration
fields
is
relatively
high
insect
samples,
although
it
lower
samples.
This
data
assist
extending
our
knowledge
regarding
pollution
freshwater
systems
provides
a
baseline
for
future
monitoring
assessment
IntechOpen eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 10, 2024
This
chapter
focus
on
existing
model
systems
used
to
evaluate
the
toxicity
of
nanoparticles.
We
will
be
discussing
monolayer
and
3D
cell
based
models,
In
vivo
models
like
rodents
zebrafish
systems.
A
also
given
ex
chick
embryos.
Each
system
discussed
with
its
advantages
limitations.
The
provide
critical
information
students
researchers
studying
nanotechnology
about
potential
check
nanoparticles
developed
in
laboratory.
can
as
a
quick
guide
use
different
type
particle
informed
decisions
disadvantages.
Nanotoxicology,
Journal Year:
2024,
Volume and Issue:
18(3), P. 299 - 313
Published: April 2, 2024
The
detrimental
impacts
of
plastic
nanoparticles
(PNPs)
are
a
worldwide
concern,
although
knowledge
is
still
limited,
in
particular
for
soil
mesofauna.
This
study
investigates
the
biochemical
impact
44
nm
polystyrene
PNPs
on
three
models—Enchytraeus
crypticus
(Oligochaeta),
Folsomia
candida
(Collembola)
and
Porcellionides
pruinosus
(Isopoda).
Exposure
durations
3,
7
14
days
(d)
were
implemented
at
two
concentrations
(1.5
300
mg
kg−1
PNPs).
Results
revealed
activities
glutathione-dependent
antioxidative
enzyme,
glutathione
S-transferase
(GST)
neurotransmitter
acetylcholinesterase
(AChE)
all
species.
Catalase
(CAT)
played
minor
role,
primarily
evident
F.
(CAT
GST
response
after
d),
with
no
lipid
peroxidation
(LPO)
increase.
Even
antioxidant
defence,
P.
was
most
sensitive
species
oxidative
damage
(LPO
levels
increased
d
exposure
to
Significant
AChE
inhibitions
measured
already
3
both
PNP
E.
crypticus,
respectively.
also
found
but
later
(7
d).
Overall,
toxicity
mechanisms
involved
imbalance,
being
(mostly)
glutathione-associated
metabolism
part
that
defence
system.
Neurotoxicity,
linked
activities,
across
Sensitivity
varied:
>
≅
crypticus.
pioneering
invertebrates
underscores
its
environmental
relevance,
shedding
light
altered
responses,
may
compromise
ecological
roles
ecosystem
fitness.
Frontiers in Toxicology,
Journal Year:
2024,
Volume and Issue:
6
Published: Aug. 16, 2024
Microplastics
(MPs)
and
nanoplastics
(NPs)
have
increasingly
been
found
in
the
environment.
Until
recently,
most
MPs/NPs
toxicological
research
has
done
aquatic
systems
resulting
a
gap
knowledge
regarding
terrestrial
systems.
Plastics
shown
to
enter
circulatory
system
of
humans,
can
accumulate
within
organs,
little
is
known
about
effect
this
on
health.
Heart
disease
leading
cause
death
globally,
so
it’s
critical
understand
possible
impacts
heart.
The
Drosophila
model
growing
popularity
toxicology
field,
it
allows
for
affordable
rapid
variety
toxins,
including
plastics.
Some
examined
effects
plastics
fly,
evaluating
mortality,
fecundity,
development,
locomotion.
However,
no
one
studied
We
utilize
identify
potential
oral
exposure
polystyrene
MPs
(1
µm
diameter)
NPs
(0.05
particles
heart
function.
Flies
were
exposed
1.4
×
10
11
particles/d/kg
larvae
1.2
18
from
egg
pupal
eclosion.
function
was
then
analyzed
utilizing
semi-intact
dissections
Semi-automatic
Optic
Heartbeat
Analysis
software
(SOHA).
Following
we
see
sexually
dimorphic
changes
size
This
study
highlights
importance
additional
molecular
mechanisms
behind
these
changes.
Ecologica Montenegrina,
Journal Year:
2024,
Volume and Issue:
80, P. 106 - 127
Published: Dec. 5, 2024
Aquatic
insects
may
be
at
risk
due
to
microplastics,
which
are
new
pollutants
in
the
water
that
known
sink
and
accumulate
sediments.
In
this
study,
concentration,
type,
size,
color
of
MPs
surface
water,
sediments,
aquatic
were
investigated
rice
fields.
The
MP
concentrations
85.8
items/L.
sediment
0.43
items/g.
predatory
insects,
microplastics
discovered
0.59±0.50–17.00±17.00
items/individual,
scrapers
2.45±2.66–9.00±9.00
collector-gathering
2.45±2.66–25.00±25.99
items/individual.
Fibers
predominant
type
sediment,
insects.
most
common
sizes
<100
µm
>500
200-250
water.
dominant
colors
detected
blue
white/transparent
sediment.
Polyethylene
terephthalate
(PET),
polyvinyl
acetate
(PVAc),
polypropylene
glycol
(PPG),
polyethylene
(PEG),
poly
(acrylamide-co-acrylic
acid)
(poly
(AM-co-AA),
(vinyl
methyl
ether)
(PVME),
bis(2-ethylhexyl)
phthalate
(DEHP)
major
polymer
types
selected
particles.
results
study
showed
concentration
fields
is
relatively
high
insect
samples,
although
it
lower
samples.
This
data
assist
extending
our
knowledge
regarding
pollution
freshwater
systems
provides
a
baseline
for
future
monitoring
assessment
