Environmental Science Processes & Impacts,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Pharmaceutical
products
(PPs)
and
nanoplastics
(NPs)
are
prominent
emerging
contaminants
that
pose
serious
threats
to
marine
ecosystems.
The
present
study
aimed
investigate
both
pristine
combined
toxicity
of
PPs
(metronidazole,
diclofenac,
ibuprofen)
polystyrene
(PSNPs)
with
amine
(NH2-PSNPs)
carboxyl
(COOH-PSNPs)
surface
functionalization
on
microalgae
Chlorella
variabilis.
Toxicity
assessment
included
the
evaluation
growth
inhibition,
total
reactive
oxygen
species
production,
malondialdehyde
content,
antioxidant
activity,
photosynthetic
activity.
Furthermore,
changes
in
functional
groups
algae
after
exposure
were
examined.
correlation
among
endpoints
was
assessed
using
Pearson
cluster
heatmap
analysis.
Zeta
potential
analysis
hydrodynamic
size
measurements
revealed
PSNPs
became
unstable
presence
PPs.
This
instability
facilitated
aggregation
rapid
settlement
PSNPs,
consequently
impeding
their
direct
interaction
algal
cells.
Growth
inhibition
results
indicated
variabilis
exhibited
minimal
when
exposed
(1
mg
L-1),
whereas
L-1)
caused
substantial
inhibition.
Notably,
lower
compared
PSNPs.
independent
action
model
combination
showed
an
antagonistic
mode
interaction.
reasons
for
decreased
observed
mixture
can
be
attributed
diminished
oxidative
stress
enhanced
These
findings
provide
valuable
insights
into
role
modulating
towards
microalgae.
Annals of Global Health,
Год журнала:
2023,
Номер
89(1)
Опубликована: Янв. 1, 2023
Plastics
have
conveyed
great
benefits
to
humanity
and
made
possible
some
of
the
most
significant
advances
modern
civilization
in
fields
as
diverse
medicine,
electronics,
aerospace,
construction,
food
packaging,
sports.
It
is
now
clear,
however,
that
plastics
are
also
responsible
for
harms
human
health,
economy,
earth's
environment.
These
occur
at
every
stage
plastic
life
cycle,
from
extraction
coal,
oil,
gas
its
main
feedstocks
through
ultimate
disposal
into
The
extent
these
not
been
systematically
assessed,
their
magnitude
fully
quantified,
economic
costs
comprehensively
counted.The
goals
this
Minderoo-Monaco
Commission
on
Human
Health
examine
plastics'
impacts
across
cycle
on:
(1)
health
well-being;
(2)
global
environment,
especially
ocean;
(3)
economy;
(4)
vulnerable
populations-the
poor,
minorities,
world's
children.
On
basis
examination,
offers
science-based
recommendations
designed
support
development
a
Global
Treaty,
protect
save
lives.This
report
contains
seven
Sections.
Following
an
Introduction,
Section
2
presents
narrative
review
processes
involved
production,
use,
notes
hazards
environment
associated
with
each
stages.
3
describes
ocean
potential
enter
marine
web
result
exposure.
4
details
health.
5
first-order
estimate
health-related
costs.
6
examines
intersection
between
plastic,
social
inequity,
environmental
injustice.
7
Commission's
findings
recommendations.Plastics
complex,
highly
heterogeneous,
synthetic
chemical
materials.
Over
98%
produced
fossil
carbon-
oil
gas.
comprised
carbon-based
polymer
backbone
thousands
additional
chemicals
incorporated
polymers
convey
specific
properties
such
color,
flexibility,
stability,
water
repellence,
flame
retardation,
ultraviolet
resistance.
Many
added
toxic.
They
include
carcinogens,
neurotoxicants
endocrine
disruptors
phthalates,
bisphenols,
per-
poly-fluoroalkyl
substances
(PFAS),
brominated
retardants,
organophosphate
retardants.
integral
components
many
environment.Global
production
has
increased
almost
exponentially
since
World
War
II,
time
more
than
8,300
megatons
(Mt)
manufactured.
Annual
volume
grown
under
Mt
1950
460
2019,
230-fold
increase,
track
triple
by
2060.
More
half
all
ever
2002.
Single-use
account
35-40%
current
represent
rapidly
growing
segment
manufacture.Explosive
recent
growth
reflects
deliberate
pivot
integrated
multinational
fossil-carbon
corporations
produce
manufacture
plastics.
reducing
fuels
increasing
manufacture.
two
principal
factors
decreasing
demand
due
increases
'green'
energy,
massive
expansion
fracking.Plastic
energy-intensive
contributes
significantly
climate
change.
At
present,
estimated
3.7%
greenhouse
emissions,
contribution
Brazil.
This
fraction
projected
increase
4.5%
2060
if
trends
continue
unchecked.The
three
phases:
disposal.
In
carbon
feedstocks-coal,
gas,
oil-are
transformed
energy-intensive,
catalytic
vast
array
products.
Plastic
use
occurs
aspect
results
widespread
exposure
contained
plastic.
constitute
largest
portion
followed
fibers
construction.Plastic
inefficient,
recovery
recycling
rates
below
10%
globally.
22
waste
enters
year,
much
it
single-use
gigatons
accumulated
1950.
Strategies
controlled
uncontrolled
landfilling,
open
burning,
thermal
conversion,
export.
Vast
quantities
exported
year
high-income
low-income
countries,
where
accumulates
landfills,
pollutes
air
water,
degrades
vital
ecosystems,
befouls
beaches
estuaries,
health-environmental
injustice
scale.
Plastic-laden
e-waste
particularly
problematic.Plastics
plastic-associated
pollution.
contaminate
aquatic
(marine
freshwater),
terrestrial,
atmospheric
environments
destination
found
throughout
ocean,
including
coastal
regions,
sea
surface,
deep
sea,
polar
ice.
appear
resist
breakdown
could
persist
decades.
Macro-
micro-plastic
particles
identified
hundreds
species
major
taxa,
consumed
humans.
Trophic
transfer
microplastic
within
them
demonstrated.
Although
themselves
(>10
µm)
undergo
biomagnification,
hydrophobic
bioaccumulate
animals
biomagnify
webs.
amounts
fates
smaller
nanoplastic
(MNPs
<10
poorly
understood,
but
harm
worrying
given
mobility
biological
systems.
Adverse
pollution
multiple
levels
molecular
biochemical
population
ecosystem.
MNP
contamination
seafood
direct,
though
well
chemicals.
Marine
endangers
ecosystems
upon
which
depends
food,
oxygen,
livelihood,
well-being.Coal
miners,
workers
field
who
extract
suffer
mortality
traumatic
injury,
coal
workers'
pneumoconiosis,
silicosis,
cardiovascular
disease,
chronic
obstructive
pulmonary
lung
cancer.
risk
leukemia,
lymphoma,
hepatic
angiosarcoma,
brain
cancer,
breast
mesothelioma,
neurotoxic
decreased
fertility.
Workers
producing
textiles
die
bladder
interstitial
disease
rates.
toxic
metal
poisoning,
neuropathy,
Residents
"fenceline"
communities
adjacent
sites
experience
risks
premature
birth,
low
birth
weight,
asthma,
childhood
cancer.During
disposal,
release
additives
residual
monomers
people.
National
biomonitoring
surveys
USA
document
population-wide
exposures
disrupt
function
births,
neurodevelopmental
disorders,
male
reproductive
defects,
infertility,
obesity,
renal
cancers.
Chemical-laden
MNPs
formed
degradation
can
living
organisms,
Emerging,
albeit
still
incomplete
evidence
indicates
may
cause
toxicity
physical
toxicological
effects
acting
vectors
transport
bacterial
pathogens
tissues
cells.Infants
womb
young
children
populations
high
plastic-related
effects.
Because
exquisite
sensitivity
early
hazardous
children's
unique
patterns
exposure,
linked
prematurity,
stillbirth,
defects
organs,
impairment,
impaired
growth,
Early-life
non-communicable
diseases
later
life.Plastic's
We
2015
exceeded
$250
billion
(2015
Int$)
globally,
alone
disability
caused
PBDE,
BPA
DEHP
$920
Int$).
(GHG)
emissions
equivalent
1.96
dioxide
(CO2e)
annually.
Using
US
Environmental
Protection
Agency's
(EPA)
cost
metric,
we
annual
GHG
be
$341
Int$).These
costs,
large
they
are,
certainly
underestimate
full
losses
resulting
negative
All
costs-and
costs-are
externalized
petrochemical
manufacturing
industry
borne
citizens,
taxpayers,
governments
countries
around
world
without
compensation.The
adverse
economy
evenly
distributed.
disproportionately
affect
disempowered,
marginalized
workers,
racial
ethnic
communities,
Indigenous
groups,
women,
children,
whom
had
little
do
creating
crisis
lack
political
influence
or
resources
address
it.
Plastics'
harmful
keenly
felt
South,
small
island
states,
disenfranchised
areas
North.
Social
justice
(SEJ)
principles
require
reversal
inequitable
burdens
ensure
no
group
bears
disproportionate
share
those
benefit
economically
bear
fair
currently
costs.It
clear
sustainable
societal
injustices.The
driver
worsening
exponential
accelerating
production.
further
magnified
long
persistence
environment.The
plastics-monomers,
additives,
processing
agents,
non-intentionally
substances-include
amongst
number
known
disruptors,
neurotoxicants,
persistent
organic
pollutants.
planetary
leach
out
plastics,
pollution,
disease.
efforts
reduce
must
chemicals.To
at-risk
populations,
put
end
2040,
supports
urgent
adoption
nations
strong
comprehensive
Treaty
accord
mandate
set
forth
March
2022
resolution
United
Nations
Environment
Assembly
(UNEA).International
measures
needed
curb
because
transcend
national
boundaries,
scale,
well-being
people
poorest
nations.
Effective
implementation
will
international
action
coordinated
complemented
interventions
national,
regional,
local
levels.This
urges
cap
targets,
timetables,
contributions
central
provision
Treaty.
recommend
inclusion
following
provisions:The
needs
extend
beyond
microplastics
litter
plastics.The
banning
severely
restricting
unnecessary,
avoidable,
problematic
items,
items
manufactured
microbeads.The
requirements
extended
producer
responsibility
(EPR)
make
producers,
manufacturers
products
legally
financially
safety
end-of-life
management
materials
sell.The
reductions
complexity
products;
health-protective
standards
additives;
requirement
non-toxic
materials;
disclosure
components;
traceability
components.
International
cooperation
essential
implementing
enforcing
standards.The
SEJ
remedies
fill
gaps
community
knowledge
advance
both
distributional
procedural
equity.This
encourages
calling
exploration
listing
least
pollutants
(POPs)
Stockholm
Convention.This
interface
Basel
London
Conventions
enhance
slow
exports
least-developed
countries.This
recommends
creation
Permanent
Science
Policy
Advisory
Body
guide
Treaty's
implementation.
priorities
would
Member
States
other
stakeholders
evaluating
solutions
effective
consumption,
enhancing
recycling,
curbing
generation
waste.
assess
trade-offs
among
evaluate
safer
alternatives
monitor
transnational
export
coordinate
robust
oceanic-,
land-,
air-based
monitoring
programs.This
investment
research
crisis.
need
determine
cost-effective
context
particular
proposed
solutions.
Oceanographic
better
measure
concentrations
µm
understand
distribution
fate
Biomedical
elucidate
MNPs.This
finds
boon
stealth
threat
enormous
benefits,
linear
pay
attention
design
safe
near
absence
recovery,
reuse,
grave
damage,
injustices.
worsening.While
there
remain
about
uncertainties
magnitude,
available
today
demonstrates
unequivocally
severity
intervention
Manufacture
continue.
However,
reckless
ever-increasing
unnecessary
products,
curbed.Global
against
failure
act
immense.
Particle and Fibre Toxicology,
Год журнала:
2022,
Номер
19(1)
Опубликована: Авг. 6, 2022
Abstract
As
an
emerging
pollutant
in
the
life
cycle
of
plastic
products,
micro/nanoplastics
(M/NPs)
are
increasingly
being
released
into
natural
environment.
Substantial
concerns
have
been
raised
regarding
environmental
and
health
impacts
M/NPs.
Although
diverse
M/NPs
detected
environment,
most
them
display
two
similar
features,
i.e.,high
surface
area
strong
binding
affinity,
which
enable
extensive
interactions
between
surrounding
substances.
This
results
formation
coronas,
including
eco-coronas
bio-coronas,
on
different
media.
In
real
exposure
scenarios,
corona
is
inevitable
often
displays
variable
complex
structures.
The
coronas
found
to
impact
transportation,
uptake,
distribution,
biotransformation
toxicity
particulates.
Different
from
conventional
toxins,
packages
rather
than
bare
particles
more
dangerous.
We,
therefore,
recommend
seriously
consideration
role
safety
assessments.
review
summarizes
recent
progress
eco–coronas
bio-coronas
M/NPs,
further
discusses
analytical
methods
interpret
structures,
highlights
provides
future
perspectives.
Aquatic Toxicology,
Год журнала:
2023,
Номер
261, С. 106627 - 106627
Опубликована: Июнь 29, 2023
Enrofloxacin
(ENR)
is
a
broad-spectrum
antibiotic
widely
used
due
to
its
efficacy
against
pathogens.
Microplastics
(MPs)
may
bind
ENR
and
reduce
efficiency,
whereas
there
would
be
an
increase
in
toxicity,
bioavailability,
bio-accumulation
rates.
Therefore,
the
hypothesis
that
interaction
between
MPs
can
alter
their
toxicity
bioavailability.
The
subjective
of
this
study
examine
various
concentrations
(0,
1.35,
2.7
ml
Kg-1
diet)
1000,
2000
mg
alone
combination
for
21
days.
rainbow
trout
(Oncorhynchus
mykiss)
economic
aquaculture
species
as
experimental
model
ecotoxicology
studies.
Blood
biochemical
analytes
indicated
led
increasing
enzymatic
activity
each
biomarker,
except
gamma-glutamyl-transferase
(GGT).
Alterations
related
triglycerides,
cholesterol,
glucose,
urea,
creatinine,
total
protein,
albumin
blood
contents
were
observed.
An
elevation
levels
superoxide
dismutase
(SOD),
malondialdehyde
(MDA),
glucose
6-phosphate
dehydrogenase
(G6PDH)
was
found
liver.
In
contrast,
catalase
(CAT)
glutathione
peroxidase
(GPx)
decreased.
Furthermore,
decline
observed
cellular
antioxidant
(ANT)
levels.
These
findings
suggested
could
affect
fish
health
both
independently
together.
Consequently,
determined
when
present
high
concentrations,
amplified,
providing
further
evidence
synergistic
impact
on
toxicity.
Bioresource Technology Reports,
Год журнала:
2023,
Номер
24, С. 101606 - 101606
Опубликована: Авг. 28, 2023
The
significant
impact
of
plastic
waste
on
ecosystems
has
raised
concerns
regarding
its
detrimental
effects.
This
review
examines
the
various
types
synthetic
and
degradable
plastics
explores
physiochemical
properties
polymers
during
degradation.
It
delves
into
management
waste,
considering
both
abiotic
biotic
degradation
mechanisms.
Biotic
degradation,
including
aerobic
anaerobic
pathways,
is
also
examined,
with
a
specific
focus
role
microorganisms
their
enzymes
in
facilitating
biodegradation.
further
biotechnological
implications
management,
gene
manipulation,
genetic
modification,
potential
biotechnology.
emphasizes
importance
transitioning
toward
circular
economy
highlights
alignment
these
efforts
sustainable
development
goals
(SDGs).
Overall,
this
provides
insights
environment,
mechanisms,
discusses
approaches
practices
aimed
at
addressing
challenges
posed
by
waste.
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
278, С. 116426 - 116426
Опубликована: Май 8, 2024
The
increase
of
micro-
and
nano-plastics
(MNPs)
in
aquatic
environments
has
become
a
significant
concern
due
to
their
potential
toxicological
effects
on
ecosystems,
food
web
dynamics,
human
health.
These
plastic
particles
emerge
from
range
sources,
such
as
the
breakdown
larger
waste,
consumer
products,
industrial
outputs.
This
review
provides
detailed
report
transmission
dangers
MNPs
environmental
behavior,
interactions
within
webs,
emphasizing
toxic
impact
marine
life.
It
explores
relationship
between
particle
size
toxicity,
distribution
different
tissues,
process
trophic
transfer
through
web.
MNPs,
once
consumed,
can
be
found
various
organs,
including
digestive
system,
gills,
liver.
Their
consumption
by
lower
level
organisms
facilitates
progression
up
chain,
potentially
leading
bioaccumulation
biomagnification,
thereby
posing
substantial
risks
health,
reproduction,
behavior
species.
work
also
how
persistence
bioaccumulation,
pose
biodiversity
disrupt
relationships.
addresses
implications
for
particularly
contaminated
seafood,
highlighting
direct
indirect
pathways
which
humans
are
exposed
these
pollutants.
Furthermore,
highlights
recommendations
future
research
directions,
integration
ecological,
toxicological,
health
studies
inform
risk
assessments
develop
mitigation
strategies
address
global
challenge
pollution
environments.
Frontiers in Marine Science,
Год журнала:
2022,
Номер
9
Опубликована: Ноя. 2, 2022
The
global
accumulation
of
plastic
waste
has
reached
crisis
levels.
diverse
and
multilayered
impacts
on
biological
health
prompts
an
evaluation
these
effects
from
a
One
Health
perspective,
through
which
the
complexity
processes
can
be
integrated
more
clearly
understood.
Plastic
particles
ranging
nanometers
to
meters
in
size
are
found
throughout
every
ecosystem
Earth,
deepest
marine
trenches
highest
mountains.
affects
all
layers
organization,
molecular
cellular
organismal,
community,
ecosystem-levels.
These
not
only
mediated
by
physical
properties
plastics,
but
also
chemical
polymers,
thousands
additives
combined
with
plastics
during
manufacturing,
sorbed
chemicals
microbes
that
transported
waste.
Using
framework
we
provide
overview
following
themes:
1)
ways
across
levels
2)
how
interact
between
biology,
3)
what
knowledge
gaps
exist
understanding
within
scales.
We
propose
potential
solutions
address
this
growing
crisis,
emphasis
perspectives
consider
oneness
animals,
humans,
environment.