Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(22), P. 8225 - 8235
Published: May 23, 2023
Plastic
cutting
boards
are
a
potentially
significant
source
of
microplastics
in
human
food.
Thus,
we
investigated
the
impact
chopping
styles
and
board
materials
on
released
during
chopping.
As
progressed,
effects
microplastic
release
became
evident.
The
mass
number
from
polypropylene
were
greater
than
polyethylene
by
5-60%
14-71%,
respectively.
Chopping
was
associated
with
vegetable
(i.e.,
carrots)
without
carrots.
Microplastics
showed
broad,
bottom-skewed
normal
distribution,
dominated
<100
μm
spherical-shaped
microplastics.
Based
our
assumptions,
estimated
per-person
annual
exposure
7.4-50.7
g
49.5
board.
We
further
that
person
could
be
exposed
to
14.5
71.9
million
annually,
compared
79.4
boards.
preliminary
toxicity
study
did
not
show
adverse
viability
mouse
fibroblast
cells
for
72
h.
This
identifies
plastic
as
substantial
food,
which
requires
careful
attention.
Environment International,
Journal Year:
2022,
Volume and Issue:
171, P. 107662 - 107662
Published: Nov. 26, 2022
Exposure
to
micro-
and
nanoplastics
(MNPs)
is
inevitable
due
their
omnipresence
in
the
environment.
A
growing
body
of
studies
has
advanced
our
understanding
potential
toxicity
MNPs
but
knowledge
gaps
still
exist
regarding
adverse
effects
on
cardiovascular
system
underlying
mechanisms,
particularly
humans.
Here,
we
reviewed
up-to-date
data
published
past
10
years
MNP-driven
mechanisms.
Forty-six
articles
concerning
ADME
(absorption,
distribution,
aggregation
behaviors)
circulatory
animals
human
cells
were
analyzed
summarized.
The
results
showed
that
affected
cardiac
functions
caused
(micro)vascular
sites.
Direct
included
abnormal
heart
rate,
function
impairment,
pericardial
edema,
myocardial
fibrosis.
On
sites,
induced
hemolysis,
thrombosis,
blood
coagulation,
vascular
endothelial
damage.
main
mechanisms
oxidative
stress,
inflammation,
apoptosis,
pyroptosis,
interaction
between
multiple
cellular
components.
Cardiovascular
was
determined
by
properties
(type,
size,
surface,
structure)
MNPs,
exposure
dose
duration,
protein
presence,
life
stage,
sex,
species
tested
organisms,
as
well
with
other
environmental
contamination.
limited
quantitative
information
MNPs'
lack
guidelines
for
MNP
cardiotoxicity
testing
makes
risk
assessment
health
impossible.
Furthermore,
future
directions
research
are
recommended
enable
more
realistic
assessment.
EBioMedicine,
Journal Year:
2023,
Volume and Issue:
99, P. 104901 - 104901
Published: Dec. 6, 2023
Humans
are
exposed
to
micro-and-nano
plastics
(MNPs)
through
various
routes,
but
the
adverse
health
effects
of
MNPs
on
different
organ
systems
not
yet
fully
understood.
This
review
aims
provide
an
overview
potential
impacts
and
identify
knowledge
gaps
in
current
research.
The
summarized
results
suggest
that
exposure
can
lead
oxidative
stress,
inflammation,
immune
dysfunction,
altered
biochemical
energy
metabolism,
impaired
cell
proliferation,
disrupted
microbial
metabolic
pathways,
abnormal
development,
carcinogenicity.
There
is
limited
human
data
MNPs,
despite
evidence
from
animal
cellular
studies.
Most
published
research
has
focused
specific
types
assess
their
toxicity,
while
other
plastic
particles
commonly
found
environment
remain
unstudied.
Future
studies
should
investigate
by
considering
realistic
concentrations,
dose-dependent
effects,
individual
susceptibility,
confounding
factors.
Environmental Science and Ecotechnology,
Journal Year:
2023,
Volume and Issue:
16, P. 100256 - 100256
Published: Feb. 16, 2023
Due
to
the
accumulation
of
an
enormous
amount
plastic
waste
from
municipal
and
industrial
sources
in
landfills,
landfill
leachate
is
becoming
a
significant
reservoir
microplastics.
The
release
microplastics
into
environment
can
have
undesirable
effects
on
humans
biota.
This
study
provides
state
science
regarding
source,
detection,
occurrence,
remediation
based
comprehensive
review
scientific
literature,
mostly
recent
decade.
Solid
wastewater
treatment
residue
are
primary
leachate.
Microplastic
concentration
raw
treated
varied
between
0-382
0-2.7
items
L
Environment International,
Journal Year:
2022,
Volume and Issue:
161, P. 107128 - 107128
Published: Feb. 5, 2022
Nanoplastics
in
aquatic
environments
may
induce
adverse
immunotoxicity
effects
fish.
However,
there
is
insufficient
evidence
on
the
visible
endpoints
larval
stages
of
The
liver
plays
an
important
role
systemic
and
local
innate
immunity
In
this
study,
hepatic
inflammatory
polystyrene
(PS)
nanoplastic
particles
(NPs:
100
50
nm)
micron
PS
transgenic
zebrafish
(Danio
rerio)
larvae
were
estimated
using
fluorescent-labeled
neutrophils,
macrophages,
liver-type
binding
protein
(fabp10a).
Particles
with
smaller
size
induced
higher
aggregations
neutrophils
apoptosis
macrophages
abdomen
larvae,
corresponding
to
greater
inflammation
larvae.
NPs
increased
expression
fabp10a
livers
a
dose-
size-dependent
manner.
nm
at
concentration
0.1
mg·L−1
by
21.90%
(P
<
0.05).
plausible
mechanisms
these
depend
their
distribution
generation
reactive
oxygen
species
Metabonomic
analysis
revealed
that
metabolic
pathways
catabolic
processes,
amino
acids,
purines
highly
promoted
NPs,
compared
particles.
also
activate
steroid
hormone
biosynthesis
which
lead
occurrence
immune-related
diseases.
For
first
time,
was
identified
as
target
organ
for
stage
Environmental Pollution,
Journal Year:
2022,
Volume and Issue:
316, P. 120692 - 120692
Published: Nov. 16, 2022
Despite
the
relatively
rich
literature
on
omnipresence
of
microplastics
in
marine
environments,
current
status
and
ecological
impacts
global
Marine
Protected
Areas
(MPAs)
are
still
unknown.
Their
ubiquitous
occurrence,
increasing
volume,
ecotoxicological
effects
have
made
microplastic
an
emerging
pollutant.
Given
critical
conservation
roles
MPAs
that
aim
to
protect
vulnerable
species,
biodiversity,
resources,
it
is
essential
a
comprehensive
overview
abundance,
distribution,
characteristics
including
their
buffer
zones.
Here,
extensive
data
were
collected
screened
based
1565
peer-reviewed
from
2017
2020,
GIS-based
approach
was
applied
improve
outcomes
by
considering
boundary
limits.
Microplastics
seawater
samples
verified
within
boundaries
52
MPAs;
after
zones,
1/3
more
(68
MPAs)
identified
as
contaminated
microplastics.
A
large
range
levels
summarized
water
volume
(0-809,000
items/m3)
or
surface
area
(21.3-1,650,000,000
items/km2),
which
likely
due
discrepancy
sampling
analytical
methods.
Fragment
most
frequently
observed
shape
fiber
abundant
shape.
PE
PP
common
also
polymer
types.
Overall,
2/3
available
reported
higher
than
12,429
items/km2,
indicating
alone
cannot
against
pollution.
The
limitations
future
directions
discussed
toward
post-2020
Global
Biodiversity
Framework
goals.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
874, P. 162406 - 162406
Published: Feb. 23, 2023
Nanoplastics
(NP)
are
present
in
aquatic
and
terrestrial
ecosystems.
Humans
can
be
exposed
to
them
through
contaminated
water,
food,
air,
or
personal
care
products.
Mechanisms
of
NP
toxicity
largely
unknown
the
Zebrafish
embryo
poses
an
ideal
model
investigate
due
its
high
homology
with
humans.
Our
objective
study
was
combine
a
battery
behavioral
assays
endocrine
related
gene
expression,
further
explore
potential
neurotoxic
effects
on
animal
behavior.
Polystyrene
nanoplastics
(PSNP)
were
used
evaluate
toxicity.
neurobehavioral
profiles
include
tail
coiling
assay,
light/dark
activity
two
thigmotaxis
anxiety
(auditory
visual
stimuli),
startle
response
-
habituation
assay
auditory
stimuli.
Results
show
PSNP
accumulated
eyes,
neuromasts,
brain,
digestive
system
organs.
inhibited
acetylcholinesterase
altered
endocrine-related
expression
both
thyroid
glucocorticoid
axes.
At
whole
organism
level,
we
observed
behaviors
such
as
increased
at
lower
doses
lethargy
higher
dose,
which
could
variety
complex
mechanisms
ranging
from
sensory
organ
central
nervous
others
hormonal
imbalances.
In
addition,
hypothetical
adverse
outcome
pathway
these
effects.
conclusion,
this
provides
new
understanding
into
toxic
zebrafish
embryo,
emphasizing
critical
role
disruption
effects,
improving
our
their
health
risks
human
populations.
