Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(16), P. 9291 - 9291
Published: Aug. 16, 2023
Detecting
and
quantifying
micro-
nanoplastics
(MNPs)
in
the
environment
is
a
crucial
task
that
needs
to
be
addressed
as
soon
possible
by
scientific
community.
Many
analytical
techniques
have
been
proposed,
but
common
agreement
on
protocols
regulations
still
has
reached.
Nanomaterial-based
shown
promising
results
this
field.
In
review,
we
focus
recent
published
use
of
plasmonic
noble
metal
materials
for
detection
MNPs.
Plasmonic
can
exploited
different
ways
due
their
peculiar
optical
end
electronic
properties.
Surface
plasmon
resonance,
enhanced
fluorescence,
UV–Vis
spectroscopy,
surface
Raman
scattering
(SERS)
will
considered
examining
advantages
drawbacks
each
approach.
Environmental Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
22(4), P. 1861 - 1888
Published: April 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.
Analytical Science Advances,
Journal Year:
2022,
Volume and Issue:
3(3-4), P. 113 - 145
Published: March 23, 2022
As
the
human
population
grows,
anthropogenic
impacts
from
various
agricultural
and
industrial
processes
produce
unwanted
contaminants
in
environment.
The
accurate,
sensitive
rapid
detection
of
such
is
vital
for
health
safety.
Surface-enhanced
Raman
spectroscopy
(SERS)
a
valuable
analytical
tool
with
wide
applications
environmental
contaminant
monitoring.
aim
this
review
to
summarize
recent
advancements
within
SERS
research
as
it
applies
detection,
focus
on
published
or
accessible
January
2021
through
December
including
early-access
publications.
Our
goal
provide
breadth
information
that
can
be
used
background
knowledge
field,
well
inform
encourage
further
development
techniques
protecting
quality
Specifically,
we
highlight
characteristics
effective
nanosubstrates,
explore
methods
inorganic,
organic,
biological
heavy
metals,
pharmaceuticals,
plastic
particles,
synthetic
dyes,
pesticides,
viruses,
bacteria
mycotoxins.
We
also
discuss
current
limitations
technologies
propose
several
avenues
future
investigation.
researchers
fill
identified
gaps
so
implemented
real-world
environment
more
effectively
efficiently,
ultimately
providing
reliable
timely
data
help
make
science-based
strategies
policies
protect
safety
public
health.
