Emerging contaminants,
Год журнала:
2023,
Номер
9(4), С. 100253 - 100253
Опубликована: Июль 25, 2023
Polylactic
acid
(PLA)
and
polybutylene
succinate
(PBS),
are
categorized
as
biodegradable
bioplastics
that
have
progressively
being
utilized
food
packaging
replacing
the
obtrusive
petroleum
plastic.
This
study
aims
to
evaluate
toxicity
of
petroleum-based
plastic
polyethylene
(PE)
on
Artemia
franciscana
animal
cell
lines.
Each
sample
was
assessed
in
its
powdered
form,
size
distribution
PE,
PLA,
PBS
microplastic
particles
observed
by
optical
microscopy.
Additionally,
hatching
percentage
mortality
rate
investigated.
The
results
demonstrated
post
treatment
with
PLA
for
24
48
h
did
not
significantly
alter
comparison
those
treated
PE
particles.
However,
reduced
control,
well
increased
a
high
concentration
morphology
after
ingesting
obtained
using
phase
contrast
inverted
accumulation
gut
succeeding
exposure
In
addition,
cytotoxicity
plastics
human
keratinocyte
(HaCaT),
normal
dermal
fibroblast
(NHDF),
African
green
monkey
kidney
(Vero)
lines
were
determined
MTT
assay.
result
exhibited
increasing
concentrations
had
substantially
less
toxic
practically
nontoxic
effect
cells.
biomolecule
profile
synchrotron-IR
technique
displayed
potentially
more
alteration
epithelial
cells
than
fibroblasts
(NHDF)
keratinocytes
(HaCaT).
Our
demonstrate
following
ingestion,
accordance
duration
tests.
Moreover,
or
harmless
altered
some
intracellular
profiles.
These
discoveries
essential
only
environmental
health
risk
assessment
but
also
order
establish
recommendations
toward
safer
utilization
bioplastics-based
materials
robust
lifestyle.
EBioMedicine,
Год журнала:
2023,
Номер
99, С. 104901 - 104901
Опубликована: Дек. 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.
As
the
production,
usage,
and
disposal
of
plastics
increase,
microplastics
generated—plastic
particles
smaller
than
5
mm—increases,
exacerbating
environmental
pollution.
In
turn,
various
organisms
become
increasingly
exposed
to
contaminated
environments,
potentially
affecting
humans
through
food
chain.
Crucial
findings
from
in
vivo
experiments
indicate
histopathological
changes
caused
by
impact
morphology
physiological
function
organisms.
This
study
describes
induced
across
circulatory,
nervous,
digestive,
respiratory,
reproductive
systems
explains
associated
functional
alterations.
Except
nervous
system,
main
morphological
involve
degenerative
throughout
body,
such
as
apoptosis,
inflammation,
fibrosis.
Most
were
inflammatory
responses
microplastics,
leading
fibrosis
subsequent
impairments.
Various
studies
confirm
that
stimulate
cells,
increased
reactive
oxygen
species
cell
death.
Consequently,
these
impair
related
systemic
functions.
review
highlights
fundamental
organs
cells
due
discusses
limitations
involving
showing
no
changes.
The Science of The Total Environment,
Год журнала:
2024,
Номер
929, С. 172577 - 172577
Опубликована: Апрель 18, 2024
Microplastics
are
a
prolific
environmental
contaminant
that
have
been
evidenced
in
human
tissues.
Human
uptake
of
microplastic
occurs
via
inhalation
airborne
fibres
and
ingestion
microplastic-contaminated
foods
beverages.
Plastic
PTFE-coated
cookware
food
contact
materials
may
release
micro-
nanoplastics
into
during
preparation.
In
this
study,
the
extent
to
which
non-plastic,
new
plastic
old
releases
microplastics
prepared
is
investigated.
Jelly
used
as
simulant,
undergoing
series
processing
steps
including
heating,
cooling,
mixing,
slicing
storage
replicate
preparation
undertaken
home
kitchens.
Using
non-plastic
did
not
introduce
simulant.
Conversely,
using
resulted
significant
increases
contamination.
comprised
PTFE,
polyethylene
polypropylene
particulates
fibrous
particles,
ranging
13-318
μm.
Assuming
meal
was
daily
per
prescribed
methodology,
be
contributing
2409-4964
annum
homecooked
food.
The
health
implications
ingesting
remains
unclear.
Microplastics,
Год журнала:
2024,
Номер
3(1), С. 31 - 45
Опубликована: Янв. 9, 2024
In
recent
years,
microplastic
pollution
has
been
a
hot
topic
as
these
compounds
have
used
in
various
production
contexts
such
health,
food
or
technology
due
to
their
chemical
and
physical
properties
“shelf-life,”
making
them
almost
indispensable
products
daily
life.
On
the
other
hand,
they
negative
impact
on
environment
and,
consequently,
biota
human
health.
It
is
therefore
necessary
assess
actual
presence
of
microplastics
drinking
water
by
analysing
real
samples
order
estimate
possible
exposure
through
consumption.
this
pilot
study,
from
different
aqueous
matrices
was
examined
for
characterized
terms
shape,
size,
abundance
polymer
type
Raman
microspectroscopy
analysis.
Not
all
analysed
were
found
be
contaminated
with
microplastics,
indeed,
some,
case
kiosk
samples,
free
contaminants.
The
results
showed
that
content
ranged
less
than
2
particles/L
maximum
5
+
1.5
particles/L,
sizes
ranging
30
100
μm
consisted
most
common
polymers
polyethylene,
polypropylene
polyethylene
terephthalate.