Pollution
from
plastic
debris
and
microplastics
(MPs)
is
a
worldwide
issue.
Classified
as
emerging
contaminants,
MPs
have
become
widespread
been
found
not
only
in
terrestrial
aquatic
ecosystems
but
also
within
the
food
chain,
which
affects
both
environment
human
health.
Since
outbreak
of
COVID-19,
consumption
single-use
plastics
has
drastically
increased,
intensifying
mismanaged
waste
countries
such
Ecuador.
Therefore,
aim
this
review
to
1)
summarize
state
MP-related
knowledge,
focusing
on
studies
conducted
with
environmental
matrices,
animals,
food,
2)
analyze
efforts
by
different
national
authorities
entities
Ecuador
control
MP
contamination.
Results
showed
limited
number
done
Ecuador,
mainly
focused
surface
water
coastal
areas,
followed
sediment
food.
were
identified
all
samples,
indicating
lack
wastewater
management
policies,
deficient
solid
wastes,
contribution
anthropogenic
activities
artisanal
fishing
aquaculture
ecosystem
pollution,
webs.
Moreover,
shown
that
contamination
can
occur
through
atmospheric
deposition
MPs;
however,
ingredients
inputs
production,
processing,
packaging,
well
containers,
contribute
occurrence
Further
research
needed
develop
more
sensitive,
precise,
reliable
detection
methods
assess
MPs’
impact
ecosystems,
biota,
In
specifically,
implementing
treatment
plants
major
cities,
continuously
monitoring
contamination,
establishing
safety
regulations
are
crucial.
Additionally,
need
programs
raise
public
awareness
use
its
effects,
exposure’s
effects
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.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(4), P. 3877 - 3877
Published: Feb. 15, 2023
The
accumulation
of
synthetic
plastic
waste
in
the
environment
has
become
a
global
concern.
Microbial
enzymes
(purified
or
as
whole-cell
biocatalysts)
represent
emerging
biotechnological
tools
for
circularity;
they
can
depolymerize
materials
into
reusable
building
blocks,
but
their
contribution
must
be
considered
within
context
present
management
practices.
This
review
reports
on
prospective
bio-recycling
framework
Europe.
Available
biotechnology
support
polyethylene
terephthalate
(PET)
recycling.
However,
PET
represents
only
≈7%
unrecycled
waste.
Polyurethanes,
principal
fraction,
together
with
other
thermosets
and
more
recalcitrant
thermoplastics
(e.g.,
polyolefins)
are
next
plausible
target
enzyme-based
depolymerization,
even
if
this
process
is
currently
effective
ideal
polyester-based
polymers.
To
extend
to
circularity,
optimization
collection
sorting
systems
should
feed
chemoenzymatic
technologies
treatment
mixed
In
addition,
new
bio-based
lower
environmental
impact
comparison
approaches
developed
(available
new)
materials,
that
designed
required
durability
being
susceptible
action
enzymes.
Current Issues in Molecular Biology,
Journal Year:
2024,
Volume and Issue:
46(3), P. 2658 - 2677
Published: March 21, 2024
Microplastics
and
nanoplastics
(MNPs)
are
becoming
an
increasingly
severe
global
problem
due
to
their
widespread
distribution
complex
impact
on
living
organisms.
Apart
from
environmental
impact,
the
effects
of
MNPs
organisms
have
also
continued
attract
attention.
The
harmful
has
been
extensively
documented
in
marine
invertebrates
larger
vertebrates
like
fish.
However,
research
toxicity
these
particles
mammals
is
still
limited,
possible
humans
poorly
understood.
Considering
that
commonly
found
food
or
packaging,
primarily
exposed
them
through
ingestion.
It
would
be
valuable
investigate
potential
gut
health.
This
review
focuses
recent
exploring
toxicological
impacts
micro-
gut,
as
observed
human
cell
lines
mammalian
models.
Available
data
various
studies
indicate
accumulation
models
cells
may
result
adverse
consequences,
terms
epithelial
toxicity,
immune
disruption
microbiota.
paper
discusses
current
limitations
prospects
this
field,
aiming
provide
a
scientific
basis
reference
for
further
toxic
mechanisms
nanoplastics.
European Heart Journal,
Journal Year:
2024,
Volume and Issue:
45(38), P. 4099 - 4110
Published: Sept. 6, 2024
Abstract
Emerging
evidence
indicates
that
chemical
exposures
in
the
environment
are
overlooked
drivers
of
cardiovascular
diseases
(CVD).
Recent
suggests
micro-
and
nanoplastic
(MNP)
particles
derived
largely
from
or
mechanical
degradation
plastics
might
represent
a
novel
CVD
risk
factor.
Experimental
data
preclinical
models
suggest
MNPs
can
foster
oxidative
stress,
platelet
aggregation,
cell
senescence,
inflammatory
responses
endothelial
immune
cells
while
promoting
range
metabolic
alterations
lead
to
disease
premature
death.
In
humans,
various
plastics,
including
polyethylene
polyvinylchloride,
have
been
detected
atherosclerotic
plaques
other
tissues,
pericardia,
epicardial
adipose
pericardial
myocardia,
left
atrial
appendages.
measurable
levels
within
thrombi
seem
accumulate
preferentially
areas
vascular
lesions.
Their
presence
carotid
is
associated
with
subsequent
increased
incidence
events.
To
further
investigate
possible
causal
role
CVD,
future
studies
should
focus
on
large,
prospective
cohorts
assessing
exposure
individuals
plastic-related
pollution,
routes
absorption,
existence
putative
safety
limit,
correspondence
between
accumulation
timing
development,
pathophysiological
mechanisms
instigated
by
pertinent
concentrations
MNPs.
Data
such
would
allow
design
preventive,
even
therapeutic,
strategies.
Meanwhile,
existing
reducing
plastic
production
use
will
produce
benefits
for
human
health.
This
goal
could
be
achieved
through
UN
Global
Plastics
Treaty
currently
negotiation.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(44), P. 16779 - 16787
Published: Oct. 28, 2023
As
one
of
the
emerging
pollutants,
microplastics
(MPs)
can
be
taken
up
by
aquatic
organisms
through
ingestion.
However,
little
is
known
about
uptake
pattern
in
over
time
and
associated
mechanisms
retention
patterns.
The
present
study
aims
to
elucidate
these
patterns
fish,
their
relationship
with
light/dark
conditions,
examine
kinetic
process
small-sized
plastic
especially
during
long-neglected
dark
period.
Zebrafish
were
sampled
every
2
h
light
periods
after
exposure
an
environmentally
relevant
concentration
(100
items/L)
MPs.
results
demonstrated
that
MP
residues
zebrafish
decreased
period
rather
than
increased
time.
rhythm
swimming
behavior
exposed
displayed
a
statistically
significant
variation.
Moreover,
very
strong
positive
correlation
was
found
between
speed
number
gastrointestinal
tracts
zebrafish.
These
clearly
demonstrate
fibrous
fish
have
discernible
diel
pattern.
This
work
improves
understanding
dynamic
residual
MPs
calls
for
further
in-depth
circadian
toxicokinetic
studies
better
suit
particle
pollutants.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
914, P. 169960 - 169960
Published: Jan. 9, 2024
Microplastics
are
a
global
ecological
concern
due
to
their
potential
risk
wildlife
and
human
health.
Animals
ingest
microplastics,
which
can
enter
the
trophic
chain
ultimately
impact
well-being.
The
ingestion
of
microplastics
cause
physical
chemical
damage
animals'
digestive
systems,
affecting
To
estimate
ecosystems
health,
it
is
crucial
understand
accumulation
localization
ingested
within
cells
tissues
living
organisms.
However,
analyzing
this
issue
challenging
sample
contamination,
given
ubiquity
microplastics.
Here,
an
analytical
approach
employed
confirm
internalization
in
cryogenic
cross-sections
mussel
tissue.
Using
3D
Raman
confocal
microscopy
combination
with
chemometrics,
measuring
1
μm
size
were
detected.
results
further
validated
using
optical
fluorescence
microscopy.
findings
revealed
evidence
being
internalized
epithelial
exposed
mussels
(Mytilus
galloprovincialis),
specifically
forming
alveoli.
This
study
highlights
need
investigate
organisms
like
mussels,
as
helps
us
risks
they
pose
aquatic
biota
By
employing
advanced
imaging
techniques,
challenges
associated
contamination
be
overcome
valuable
insights
into
on
marine
consumers
provided.