TrAC Trends in Analytical Chemistry,
Journal Year:
2023,
Volume and Issue:
167, P. 117262 - 117262
Published: Sept. 2, 2023
Nanoplastics
(<1000
nm),
raise
concerns
regarding
their
potential
effects
and
associated
risks.
These
particles
exhibit
unique
characteristics
including
diverse
buoyancy
colloid
behaviour,
with
additional
challenges
on
processing
detection,
interaction
aquatic
organisms.
Consequently,
laboratory
experiments
nanoplastics
can
at
times
lack
appropriate
experimental
controls
or
quality
criteria
may
not
generate
relevant
data
for
conducting
reliable
risk
assessments
capturing
environmental
realism.
This
study
aimed
to
review
discuss
the
methodological
involved
in
assessing
of
organisms
provides
recommendations
optimising
approaches.
We
major
best
practices
when
experimenting
nanoplastics,
current
methods
detection
internal
tissues
assess
translocation,
pressing
needs
assessment.
recommend
development
a
rigorous
framework
advise
researchers
designing
work,
ensure
suitability
Biodegradable
plastics
(BPs)
are
promoted
as
eco-friendly
alternatives
to
conventional
plastics.
However,
compared
microplastics
(MPs),
they
degrade
rapidly
into
biodegradable
(BMPs),
which
may
lead
a
more
significant
accumulation
of
BMPs
in
the
environment.
This
review
systematically
compares
and
MPs,
summarizes
current
knowledge
on
their
environmental
behaviors
impacts
ecosystems
human
health,
offers
recommendations
for
future
research.
detected
water,
sediments,
indoor
dust,
food,
marine
organisms,
samples.
Compared
prone
transformations,
such
photodegradation
biodegradation,
results
shorter
migration
distance
across
different
matrices.
Like
can
adsorb
pollutants
transport
them
enhancing
toxicity
health
risks
through
Trojan
horse
effect.
Studies
indicate
that
negatively
impact
terrestrial
aquatic
than
MPs
by
disrupting
nutrient
cycling
inhibiting
plant
animal
growth.
In
vivo
vitro
research
also
shows
BMP
degradation
products
increase
bioavailability,
exacerbating
neurotoxicity
overall
toxicity.
findings
BMPs'
effects
remain
inconsistent.
Further
evaluation
trade-offs
between
biodegradability
is
needed
address
these
uncertainties.
ACS Nanoscience Au,
Journal Year:
2024,
Volume and Issue:
4(4), P. 243 - 249
Published: April 9, 2024
Nanoplastics
are
considered
an
emerging
organic
persistent
pollutant
with
possible
severe
long-term
implications
for
the
environment
and
human
health;
therefore,
their
remediation
is
of
paramount
importance.
However,
detecting
determining
concentration
nanoparticles
in
water
challenging
time-consuming
due
to
small
size.
In
this
work,
we
present
a
universal
yet
simple
method
detection
quantification
nanoplastics
monitor
removal
from
using
magnetic
nanorobots.
were
stained
hydrophobic
fluorescent
dye
enable
use
photoluminescence
techniques
quantification.
Magnetic
nanorobotic
tools
employed
capture
subsequently
remove
contaminated
waters.
We
demonstrated
that
nanorobots
can
more
than
90%
aqueous
solution
within
120
min.
This
work
shows
easy-to-use
common
dyes
combined
spectroscopy
methods
be
used
as
alternative
environments
swarming
efficient
removal.
These
hold
great
potential
future
research
improve
water,
it
will
ultimately
reduce
harmful
impact
on
health.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(9), P. 2963 - 2981
Published: April 2, 2024
Abstract
In
recent
decades,
the
ubiquity
of
micro
and
nanoplastics
(MNPs)
pollution
has
emerged
as
a
global
concern
due
to
its
potential
risks
both
ecological
human
health.
The
detrimental
effects
MNPs
have
resulted
in
significant
changes
physicochemical
biological
properties
terrestrial
soil
benthic
sediment.
These
alterations
led
disrupted
nutrient
cycle,
future
climate
hazards,
further
impacts
on
ecosystem
services.
This
review
aims
discuss
possible
origins,
composition,
abundance,
life
transport
processes
aquatic
ecosystems.
It
seeks
understand
health
associated
with
explores
their
implications
for
biodiversity
conservation
Moreover,
this
highlights
advanced
analytical
techniques
used
detect
quantify
MNPs.
suggests
policy
frameworks
combat
natural
environments.
findings
are
intended
assist
environmentalists,
microbiologists,
hydrologists,
policymakers
identifying
scientific
gaps
pragmatic
solutions
reduce
pollution.
Future
research
should
investigate
intake
mechanism
impact
plants
different
ecosystems,
well
food
chains
will
ensure
that
can
be
timely
mitigated.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(23), P. 10240 - 10251
Published: May 28, 2024
Microplastics
(MPs)
in
natural
waters
are
heterogeneously
mixed
with
other
particles
including
algal
cells
and
suspended
sediments.
An
easy-to-use
rapid
method
for
directly
measuring
distinguishing
MPs
from
naturally
present
colloids
the
environment
would
expedite
analytical
workflows.
Here,
we
established
a
database
of
MP
scattering
fluorescence
properties,
either
alone
or
mixtures
particles,
by
stain-free
flow
cytometry.
The
resulting
high-dimensional
data
were
analyzed
using
machine
learning
approaches,
unsupervised
(e.g.,
viSNE)
supervised
random
forest
algorithms).
We
assessed
our
approach
identifying
quantifying
model
diverse
sizes,
morphologies,
polymer
compositions
various
suspensions
phototrophic
microorganisms,
biofilms,
mineral
sediment.
could
precisely
quantify
microbial
phototrophs
sediments
high
organic
carbon
both
models
(identification
accuracies
over
93%),
although
it
was
not
possible
to
distinguish
between
different
sizes
compositions.
By
testing
environmental
samples
through
spiking
into
freshwater
samples,
further
highlight
applicability
be
used
as
screening
tool
MPs.
Collectively,
this
workflow
can
easily
applied
set
assess
presence
time-efficient
manner.
