Environmental Science & Technology,
Год журнала:
2024,
Номер
58(20), С. 8919 - 8931
Опубликована: Май 6, 2024
For
the
first
time,
we
present
a
much-needed
technology
for
in
situ
and
real-time
detection
of
nanoplastics
aquatic
systems.
We
show
an
artificial
intelligence-assisted
nanodigital
in-line
holographic
microscopy
(AI-assisted
nano-DIHM)
that
automatically
classifies
nano-
microplastics
simultaneously
from
nonplastic
particles
within
milliseconds
stationary
dynamic
natural
waters,
without
sample
preparation.
AI-assisted
nano-DIHM
identifies
2
1%
waterborne
as
nano/microplastics
Lake
Ontario
Saint
Lawrence
River,
respectively.
Nano-DIHM
provides
physicochemical
properties
single
or
clusters
nano/microplastics,
including
size,
shape,
optical
phase,
perimeter,
surface
area,
roughness,
edge
gradient.
It
distinguishes
mixtures
organics,
inorganics,
biological
particles,
coated
heterogeneous
clusters.
This
allows
4D
tracking
3D
structural
spatial
study
nano/microplastics.
Independent
transmission
electron
microscopy,
mass
spectrometry,
nanoparticle
analysis
validates
data.
Complementary
modeling
demonstrates
have
significantly
distinct
distribution
patterns
water,
which
affect
their
transport
fate,
rendering
powerful
tool
accurate
nano/microplastic
life-cycle
hotspot
remediation.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(4), С. 2129 - 2169
Опубликована: Апрель 4, 2023
Abstract
Microplastic
pollution
is
becoming
a
major
issue
for
human
health
due
to
the
recent
discovery
of
microplastics
in
most
ecosystems.
Here,
we
review
sources,
formation,
occurrence,
toxicity
and
remediation
methods
microplastics.
We
distinguish
ocean-based
land-based
sources
Microplastics
have
been
found
biological
samples
such
as
faeces,
sputum,
saliva,
blood
placenta.
Cancer,
intestinal,
pulmonary,
cardiovascular,
infectious
inflammatory
diseases
are
induced
or
mediated
by
exposure
during
pregnancy
maternal
period
also
discussed.
Remediation
include
coagulation,
membrane
bioreactors,
sand
filtration,
adsorption,
photocatalytic
degradation,
electrocoagulation
magnetic
separation.
Control
strategies
comprise
reducing
plastic
usage,
behavioural
change,
using
biodegradable
plastics.
Global
production
has
risen
dramatically
over
past
70
years
reach
359
million
tonnes.
China
world's
top
producer,
contributing
17.5%
global
production,
while
Turkey
generates
waste
Mediterranean
region,
at
144
tonnes
per
day.
75%
marine
waste,
with
responsible
80–90%
pollution,
account
only
10–20%.
induce
toxic
effects
on
humans
animals,
cytotoxicity,
immune
response,
oxidative
stress,
barrier
attributes,
genotoxicity,
even
minimal
dosages
10
μg/mL.
Ingestion
animals
results
alterations
gastrointestinal
tract
physiology,
system
depression,
differential
gene
expression,
growth
inhibition.
Furthermore,
bioaccumulation
tissues
aquatic
organisms
can
adverse
ecosystem,
potential
transmission
birds.
Changing
individual
behaviours
governmental
actions,
implementing
bans,
taxes,
pricing
carrier
bags,
significantly
reduced
consumption
8–85%
various
countries
worldwide.
The
microplastic
minimisation
approach
follows
an
upside-down
pyramid,
starting
prevention,
followed
reducing,
reusing,
recycling,
recovering,
ending
disposal
least
preferable
option.
Marine Pollution Bulletin,
Год журнала:
2023,
Номер
187, С. 114544 - 114544
Опубликована: Янв. 12, 2023
Ocean
plastic
pollution
is
a
problem
of
increasing
magnitude;
yet,
the
amount
at
sea
surface
much
lower
than
expected.
Solar
ultraviolet
(UV)
radiation
can
induce
photodegradation,
but
its
importance
in
determining
longevity
floating
remains
unconstrained.
Here,
we
measured
photodegradation
rates
different
types
slightly
larger
microplastics
(virgin
polymers
and
debris)
under
simulated
marine
conditions.
UV
irradiation
caused
all
to
leach
dissolved
organic
carbon,
lesser
degree
carbon
dioxide,
monoxide,
methane,
other
hydrocarbon
gases.
The
release
products
translates
degradation
1.7-2.3
%
yr-1
tested
particles
normalized
conditions
as
found
subtropical
ocean.
Modelling
accumulation
debris,
our
results
show
that
solar
could
already
have
degraded
7
22
has
ever
been
released
sea.
Soil & Environmental Health,
Год журнала:
2023,
Номер
1(1), С. 100002 - 100002
Опубликована: Фев. 28, 2023
Micro/nanoplastics
(MPs/NPs)
are
a
growing
threat
to
environmental
health
as
these
particles
dispersed
remote
locations.
However,
the
migration
process
of
NPs
differs
from
MPs
due
their
differences
in
sizes
and
physicochemical
properties,
thereby
inducing
different
behaviours
fates.
While
provide
surfaces
host
microorganisms
form
plastisphere,
smaller
than
microorganisms,
which
often
encapsulated
by
protein
or
organic
matter
unique
eco-corona.
Both
plastisphere
eco-corona
alter
physiochemical
property
MPs/NPs,
changing
toxicity.
To
fully
understand
toxicity
MPs/NPs
after
forming
eco-corona,
this
review
aims
evaluate
roles
toxicities
environment.
Specifically,
discusses
formation
on
NPs,
summarizes
biochemical
mechanisms
assesses
potential
threats
humans.
Finally,
perspectives
provided
better
manage
plastic
pollution
protect
environment
human
health.
Particle and Fibre Toxicology,
Год журнала:
2023,
Номер
20(1)
Опубликована: Ноя. 22, 2023
Microplastics
and
nanoplastics
(MNPs)
are
emerging
environmental
contaminants
detected
in
human
samples,
have
raised
concerns
regarding
their
potential
risks
to
health,
particularly
neurotoxicity.
This
study
aimed
investigate
the
deleterious
effects
of
polystyrene
(PS-NPs,
50
nm)
understand
mechanisms
inducing
Parkinson's
disease
(PD)-like
neurodegeneration,
along
with
exploring
preventive
strategies.
Environmental Chemistry Letters,
Год журнала:
2024,
Номер
22(4), С. 1861 - 1888
Опубликована: Апрель 4, 2024
Abstract
Microplastics
are
emerging
contaminants
that
undergo
progressive
aging
under
environmental
conditions
such
as
sunlight
irradiation,
mechanical
forces,
temperature
variations,
and
the
presence
of
biological
organisms.
Since
modifies
microplastic
properties,
their
own
toxicity
trapped
pollutants,
advanced
methods
to
analyze
microplastics
required.
Here
we
review
with
focus
on
process,
qualitative
identification,
quantitative
characterization,
chemometrics.
Qualitative
identification
is
done
by
techniques,
thermal
e.g.,
degradation
gas
chromatography–mass
spectrometry,
spectral
infrared,
Raman,
fluorescent,
laser
techniques.
Quantitative
characterization
microscopy
mass
spectrometry.
Microplastic
results
in
a
series
surface
physical
changes,
biofilm
formation,
chemical
oxidation,
alternation,
deterioration.
Changes
properties
allow
differentiate
aged
microplastics.
Infrared
Raman
spectroscopy
rapid
sensitive
for
complex
samples.
Combining
two
techniques
preferable
accurate
detection
categorization.
Journal of Contaminant Hydrology,
Год журнала:
2024,
Номер
264, С. 104360 - 104360
Опубликована: Май 1, 2024
A
global
study
on
tap
water
samples
has
found
that
up
to
83%
of
these
contained
microplastic
fibres.
These
findings
raise
concerns
about
their
potential
health
risks.
Ingested
particles
have
already
been
associated
with
harmful
effects
in
animals,
which
similar
outcomes
humans.
Microplastics
are
ubiquitous
the
environment,
commonly
disposed
landfills
and
waste
sites.
Within
indoor
environments,
common
sources
synthetic
textiles,
plastic
bottles,
packaging.
From
various
point
sources,
they
globally
distributed
through
air
can
enter
humans
pathways.
The
finding
microplastics
fresh
snow
Antarctic
highlights
just
how
widely
dispersed.
behaviour
risks
from
strongly
influenced
by
physicochemical
properties,
is
why
surfaces
important.
Surface
interactions
also
important
pollutant
transport
via
adsorption
onto
particles.
Our
review
covers
latest
research
including
statistics
abundance,
occurrence
fate
methods
reducing
exposure
removal.
We
conclude
proposing
future
directions
into
more
effective
remediation
new
technologies
sustainable
green
need
be
explored
achieve
success
removal
waters
at
large
scale.
