This
systematic
review
aimed
to
establish
relationships
between
the
sample
matrices
and
main
methods
used
in
different
microplastics
research.
An
extensive
literature
search
was
carried
out
Springer,
MDPI
Scopus
databases
identify
relevant
publications
up
October
2022.
The
screening
resulted
156
studies
selected
for
full-text
reading.
results
demonstrated
that
samples
undergo
two
types
of
preparation:
density
separation
digestion
organic
matter.
In
matter,
technique
oxidation
with
hydrogen
peroxide
(H2O2)
a
concentration
30%.
separation,
zinc
chloride
(ZnCl2)
most
chemical
compound.
For
visual
identification,
employed
concepts
are
those
Hidalgo-Ruz
et
al.
(2012)
Norén
(2007).
Regardless
matrix,
identification
were
Fourier
transform
infrared
spectroscopy
(µFTIR),
µRaman
pyrolysis
mass
spectrometry
(Py-GC–MS).
choice
methodology
is
heavily
influenced
by
however,
other
aspects
relevant,
such
as
type
material
matter
sample.
To
overcome
challenge
standardizing
and,
so,
difficulty
comparing
results,
we
recommend
research
be
separated
based
on
method,
considering
it
influences
size
identified.
method
should
also
considered,
given
certain
solutions
may
underestimate
presence
denser
plastics.
These
steps
can
ensure
greater
accuracy
when
concerning
polymers
present
microplastic
samples.
TrAC Trends in Analytical Chemistry,
Год журнала:
2023,
Номер
166, С. 117190 - 117190
Опубликована: Июль 17, 2023
Microplastics
(MPs)
form
the
most
investigated
plastic
category
since
their
size
(1
μm-
5
mm)
enables
them
to
accumulate
in
various
environmental
compartments
and
be
ingested
by
biota.
Beach
sand
sediment
can
indicators
of
MP
contamination
levels
coastal
marine
ecosystem
and,
thus,
they
are
widely
analyzed.
With
increasing
number
publications
recent
years,
there
is
a
need
for
constant
updates
on
variety
extraction
analysis
procedures
developed.
Thus,
this
review
aims
evaluate
sample
preparation
techniques
MPs
provide
critical
discussion
determination
based
studies
published
last
years.
We
also
report
conditions
imposed
identification
quantification
isolation
as
well
materials
used
procedures.
Finally,
we
address
expectations
new
challenges
related
instrumental
innovations.
Journal of Hazardous Materials Advances,
Год журнала:
2024,
Номер
14, С. 100418 - 100418
Опубликована: Март 3, 2024
Dust
storms,
increasingly
prevalent
due
to
anthropogenic
climate
change,
pose
a
significant
environmental
hazard
by
facilitating
the
long-range
transport
of
contaminants,
including
ubiquitous
microplastics
(MPs).
These
plastic
particles,
originating
from
diverse
sources
such
as
road
dust
and
landfills,
readily
adsorb
other
harmful
substances
during
storm
events,
potentially
amplifying
their
health
impacts.
This
comprehensive
review
critically
examines
multifaceted
exposure
pathways
dust-associated
MPs,
elucidating
crucial
role
vectors
for
pollutant
dispersal.
While
preliminary
studies
on
cell
lines
suggest
potential
carcinogenic
effects,
robust
evidence
linking
MP
cancer
development
in
humans
remains
limited.
Further
research
is
essential
fully
comprehend
long-term
implications
these
contaminants.
Recognizing
analytical
challenges
posed
ubiquity
complex
nature
meticulously
evaluates
current
detection
techniques
various
matrices,
highlighting
both
advancements
limitations.
Fourier-Transform
Infrared
Spectroscopy
(FTIR)
emerges
preeminent
tool
its
broad
applicability
operational
ease,
alternative
approaches
like
Laser
Direct
Imaging
(LDIR),
Raman
micro-spectrometry,
niche
thermogravimetric
analyzers
coupled
with
mass
spectrometers
(TGA-MS)
hot
needle
tests
demonstrate
specific
applications.
By
comprehensively
revealing
alarming
rise
MPs
intricate
complexities
detection,
this
aims
stimulate
effective
mitigation
strategies
inform
further
into
consequences.
