Journal of Toxicology and Environmental Health Part B,
Год журнала:
2024,
Номер
28(2), С. 63 - 121
Опубликована: Дек. 13, 2024
Nanoplastics
(NPs),
defined
as
plastic
particles
with
dimensions
less
than
100
nm,
have
emerged
a
persistent
environmental
contaminant
potential
risk
to
both
environment
and
human
health.
might
translocate
across
biological
barriers
accumulate
in
vital
organs,
leading
inflammatory
responses,
oxidative
stress,
genotoxicity,
already
reported
several
organisms.
Disruptions
cellular
functions,
hormonal
balance,
immune
responses
were
also
linked
NPs
exposure
vitro
assays.
Further,
been
found
adsorb
other
pollutants,
such
organic
pollutants
(POPs),
leach
additives
potentially
amplifying
their
advere
impacts,
increasing
the
threat
organisms
greater
alone.
However,
toxic
effects
remain
largely
unexplored,
requiring
further
research
elucidate
risks
health,
especially
accumulation,
degradation,
migration,
interactions
systems
long-term
consequences
of
chronic
these
compounds.
This
review
provides
an
overview
current
state-of-art
regarding
mechanisms
toxicity
within
cells.
Beni-Suef University Journal of Basic and Applied Sciences,
Год журнала:
2025,
Номер
14(1)
Опубликована: Апрель 18, 2025
Abstract
Background
Plastic
pollution,
particularly
microplastics
(MPs)
and
toxic
additives
such
as
bisphenol
A
(BPA),
endangers
human
health.
Therefore,
their
routes
in
the
environment
need
to
be
investigated.
This
study
investigated
microplastic
abundance,
(BPA)
levels,
antioxidant
activity
(AA)
three
commonly
consumed
vegetables—green
amaranth,
jute
mallow,
spinach
sourced
from
two
markets
Osogbo,
southwestern
Nigeria.
Microscopic
technique
was
used
determine
MP
shapes,
colours.
High-performance
Liquid
Chromatography
(HPLC)
analyse
BPA
contents
while
2,2-diphenyl-1-picrylhydrazyl
(DPPH)
assay
measure
AA.
hazard
index
(HI)
estimated
dietary
intakes
(EDIs)
were
estimate
associated
risks
food
safety
concerns
with
vegetables.
Results
In
this
study,
abundance
shoots
ranged
4.00
±
0.50
7.67
1.04
particles/g
roots
5.33
1.53
18.00
6.93
green
respectively,
indicating
subsoil
contamination.
Three
shapes
(fragment,
fibre,
irregular)
five
colours
(transparent,
white,
yellow,
black,
brown)
detected,
fragment
shape
transparent
colour
dominating.
Fourier
Transform
Infrared
spectroscopic
(FTIR)
analysis
revealed
a
predominance
of
polyethylene,
polypropylene,
polyethylene
terephthalate,
polyvinyl
chloride,
polyamide
microplastics.
The
5.55
0.56
6.65
0.00
μg/g
AA
40.67
6.79
72.55
4.03%.
regression
principal
component
(PCA)
identify
relationship
among
factors
(MPs,
BPA,
AA).
It
is
suggested
that
high
levels
MPs
negatively
impacted
vegetable
quality
they
are
environmental
Contrastingly,
had
significant
positive
correlation
quality.
Both
EDIs
HI
<
1,
no
risk
exposure
consumption.
Conclusion
highlights
potential
health
contamination
intake
suggest
immediate
risks,
but
long-term
remains
concern.
vegetables
warrant
stricter
monitoring
agricultural
soil
irrigation
water
sources.
Microplastic
crops
can
reduced
policies
regulate
plastic
waste
disposal
promote
sustainable
farming
practices.
Applied Sciences,
Год журнала:
2024,
Номер
14(16), С. 7280 - 7280
Опубликована: Авг. 19, 2024
Nanoplastics
(NPs)
represent
an
escalating
hazard
to
both
humans
and
the
ecosystem
due
their
pervasive
presence.
This
review
delves
into
(i)
widespread
occurrence
of
NPs
across
different
environmental
matrices,
including
food;
(ii)
routes
estimates
for
human
exposure;
(iii)
mechanisms
blood–brain
barrier
(BBB)
crossing;
(iv)
implications
health,
with
a
specific
focus
on
molecular
features
associated
neurotoxicity
neurodegenerative
processes.
The
impact
central
nervous
system,
ability
cross
BBB
underpinning
mechanisms,
potential
initiate
by
fostering
β-amyloid
aggregation,
interactions
metallo-enzymes
(such
as
superoxide
dismutase)
are
elucidated.
analysis
transcriptomics
epigenomic
results,
microRNA
dysregulation,
unveil
how
could
contribute
neurological
disorders.
need
considering
overlaps
among
diverse
pathogenetic
when
probing
effects
is
discussed.
Additional
urgent
needs
development
reliable
in
vitro
models
studies
able
mimic
complexity
system
exposure
such
more
environmentally
relevant
NPs.
Finally,
extremely
sensitive
detection
methodologies
quantify
biological
matrices
pressing
priority.
Environmental Advances,
Год журнала:
2024,
Номер
17, С. 100558 - 100558
Опубликована: Июнь 15, 2024
The
rise
of
microplastics
(MPs)
is
a
global
concern
jeopardizing
environmental
safety.
Initial
studies
have
extensively
concentrated
on
aquatic
ecosystems,
leaving
their
presence
in
terrestrial
environments
unknown.
Thus,
this
study
was
carried
out
to
investigate
the
vertical
distribution
MPs
farmland
soils
Mabibo
Bonde
la
Mchicha
Farm
(MBMF),
Dar
es
Salaam.
39
soil
samples
collected
from
MBMF
were
investigated
using
Stereomicroscope
and
QATR-S
FTIR.
Results
herein
showed
that
found
all
different
depths
up
15
cm
deep,
ranging
4.8
82.2
items
g-1
dry
weight
(DW).
There
statistically
significant
difference
MP
abundance
between
0–5,
5–10
10–15
layers
(P
=
0.033)
at
ὰ
0.05.
observations
revealed
by
observed
colors,
which
white
(36.5
%)
most
frequently
observed,
followed
blue
(21.4
%),
brown
(20.2
black
(12.8
red
(9
%).
Fibers
(49.7
fragments
(32.9
films
(17.3
dominant
shapes.
Polyethylene
(PE)
polypropylene
(PP)
polymers
constituting
33
%
each,
polyethylene
terephthalate
(PET)
11
%,
high-density
(HDPE)
8
polyester
(PES)
7
polyamide
(PA)
polyvinyl
chloride
(PVC)
1
%.
It
can
be
inferred
PE
PP
exhibited
greater
mobility.
However,
PA
PVC
only
topsoil
layer.
This
reveals
MPs'
occurrence
transfer
urban
Engineering headway,
Год журнала:
2024,
Номер
11, С. 1 - 16
Опубликована: Июль 22, 2024
This
review
research
paper
aims
to
provide
a
comprehensive
overview
of
the
current
state
plastics
used
in
food
packaging
India,
with
focus
on
materials,
technologies,
challenges,
and
potential
advancements.
The
use
has
become
ubiquitous
modern
industry
due
its
versatility,
cost-effectiveness,
convenience.
begins
by
examining
types
commonly
employed
packaging,
including
polyethylene,
polypropylene,
polyethylene
terephthalate,
others.
It
delves
into
their
physical
chemical
properties,
highlighting
suitability
for
various
products.
Special
attention
is
given
advancements
plastic
such
as
barrier
coatings,
antimicrobial
additives,
smart
solutions,
aiming
enhance
shelf
life
safety
packaged
food.
Furthermore,
outlines
future
directions
innovation
field
India.
In
conclusion,
this
serve
valuable
resource
researchers,
policymakers,
professionals
involved
sector
By
presenting
analysis
landscape
prospects,
it
contributes
ongoing
discourse
sustainable
practices
innovations
realm
packaging.
