Sustainability,
Journal Year:
2024,
Volume and Issue:
16(13), P. 5285 - 5285
Published: June 21, 2024
Seaports
affect
the
environment
through
various
functions
related
to
cargo
handling,
connectivity
sea
and
land
transport
networks,
industrial,
logistics,
distribution
activities.
The
purpose
of
this
study
was
perform
a
preliminary
assessment
contents
dioxins
microplastics
in
bottom
sediments
Port
Gdynia.
identification
plastic
particles
carried
out
on
basis
visual
microscopic
observations,
as
well
spectroscopy
analysis.
Fragments
fibres
were
dominant
when
categorised
by
particle
shape,
while
transparent,
white,
black
dominated
colour.
predominant
polymer
types
identified
polyolefins
their
derivatives.
These
findings
suggest
that
low-density
plastics
are
present
seabed
sediments,
probably
result
biofouling.
Samples
also
tested
for
presence
dioxins.
In
sediment
surface
layer,
highest
concentrations
obtained
octachlorodibenzo-p-dioxin
(5.54–962
ng/kg
d.m.),
which
has
low
toxicity.
most
toxic
congener
(2,3,7,8-tetrachlorodibenzo-p-dioxin)
very
(0.19–0.32
s.m.).
values
toxicity
coefficient
ranged
from
0.01
9.77
s.m.
results
showed
studied
zones
Gdynia
Port,
analysed
pollutants
do
not
cause
high
ecological
risk
require
permanent
monitoring.
Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(17), P. 9705 - 9705
Published: Aug. 28, 2023
In
the
last
decade,
plastic
waste
has
become
one
of
main
threats
to
marine
ecosystems
and
their
biodiversity
due
its
abundance
increased
persistence.
Microplastics
can
be
classified
as
either
primary,
i.e.,
fabricated
for
commercial
use,
or
secondary,
resulting
from
fragmentation/weathering
processes
larger
pieces
in
environment.
general,
microplastics
are
detected
a
number
aquatic
organisms
(e.g.,
fish,
bivalves,
mollusks,
etc.)
with
alarming
effects
on
health.
Therefore,
present
work
focuses
detection
identification
fish
species
(Dicentrarchus
labrax,
Sparus
aurata)
mussels
(Mytilus
galloprovincialis)
aquaculture
systems
since
these
largely
commercially
available
consumption.
addition,
seawater
was
also
screened
types
polymers
well
aging.
The
experimental
protocol
biota
samples
contains
digestion
step
using
Fenton’s
reagent
(0.05
M
FeSO4⋅7H2O
30%
H2O2
at
volume
ratio
1:1)
remove
organic
material
followed
by
filtration
density
separation
where
sample
mixed
saturated
ZnCl2
solution
separate
microplastic
particles
heavier
material.
For
(sampled
net
sampler),
only
sieving
stainless
steel
sieves
silica
filters
applied.
Detection
polymeric
composition
achieved
through
combined
use
micro-Raman
analysis,
Attenuated
Total
Reflectance–Fourier
Transform
Infrared
spectroscopy,
Scanning
Electron
Microscopy
tandem
Energy
Dispersive
X-ray
spectroscopy.
Microplastic
16
±
1.7
items/individual
22
2.1
sea
bass,
40
3.9
bream,
polyethylene
(74.4%)
being
most
polymer
type,
while
polyethylene-co-vinyl
acetate
(65%),
polyvinyl-butyral
(36.8%),
polyvinyl
alcohol
(20%),
polybutyl
methacrylate
(15.8%)
were
lesser
extent.
isolated
films
(30%),
fragments
fibers
some
them
derived
foams
(20%).
Also,
seawater-recovered
microplastics,
relatively
high
degree
oxidation
(carbonyl
index
>
0.31)
observed,
which
further
confirmed
results
Finally,
images
showed
various
morphological
characteristics
(cracks,
cavities,
burrs)
surfaces
attributed
environmental
exposure.
Materials,
Journal Year:
2024,
Volume and Issue:
17(8), P. 1759 - 1759
Published: April 11, 2024
Microplastics
(MPs)
and
nanoplastics
(NPs)
both
represent
significant
concerns
in
environmental
sciences.
This
paper
aims
to
develop
a
convenient
efficient
methodology
for
the
detection
measurement
of
MPs
nanoparticles
from
surface
seawater
apply
it
water
samples
collected
UNESCO
site
Venice
its
lagoon,
more
precisely
Venice-Lido
Port
Inlet,
Grand
Canal
under
Rialto
Bridge,
Saint
Marc
basin.
In
this
study,
were
analyzed
through
optical
microscopy
their
relative
abundance
characterized
based
on
color,
shape,
size
classes,
while
concentration
mean
estimated
via
Nanoparticle
Tracking
Analysis
technique.
Bulk
sampling,
combined
with
filtration
cascade
stainless-steel
sieves
subsequent
digestion,
facilitates
relatively
small
sizes
(size
classes
distribution:
>1
mm,
1000–250
μm,
250–125
125–90
90–32
μm),
similar
ingested
by
marine
invertebrates
fishes.
A
protocol
minimizing
interference
non-plastic
evaporation,
processes
was
proposed
enrich
sample
NPs.
The
findings
contribute
understanding
extent
characteristics
nanoparticle
pollution
Lagoon
seawater,
highlighting
potential
risks
associated
these
pollutants
need
coordinated
approaches
mitigate
them.
article
is
scientific
research
carried
out
within
framework
H2020
In-No-Plastic—Innovative
towards
prevention,
removal
reuse
plastic
litter
project
(G.A.
ID
no.
101000612).
Environments,
Journal Year:
2025,
Volume and Issue:
12(3), P. 86 - 86
Published: March 12, 2025
The
pollution
of
the
oceans
by
plastic
waste
is
one
major
environmental
problems
our
time.
It
estimated
that
there
are
millions
tons
polymers
floating
on
surface
oceans,
concentrated
in
several
large
accumulations
so-called
islands.
main
consequence
marine
negative
impact
ecosystems
and
wildlife.
microplastics
can
be
ingested
organisms
transferred
through
food
chain,
potentially
having
harmful
effects
human
health.
Humanity
needs
to
take
immediate
action
reduce
high
number
plastics
end
up
otherwise
consequences
for
humanity
will
irreversible.
In
view
this
scenario,
present
bibliometric
review
reflects
a
growing
global
commitment
sustainability.
Major
areas
research,
including
data-driven
models
management,
technological
innovations
circular
economy
health,
exemplify
diverse
strategies
being
employed
promote
Integrating
advanced
technologies
with
sustainable
practices
crucial
footprint
mitigate
its
adverse
both
Microplastics,
Journal Year:
2025,
Volume and Issue:
4(2), P. 24 - 24
Published: May 7, 2025
Microplastics
(MPs),
defined
as
plastic
particles
smaller
than
5
mm,
are
an
emerging
global
environmental
and
health
concern
due
to
their
pervasive
presence
in
aquatic
ecosystems.
This
systematic
review
synthesizes
data
on
the
distribution,
shapes,
materials,
sizes
of
MPs
various
water
sources,
including
lakes,
rivers,
seas,
tap
water,
bottled
between
2014
2024.
Results
reveal
that
river
constitutes
largest
share
studies
MP
pollution
(30%),
followed
by
lake
(24%),
sea
(19%),
(17%),
(11%),
reflecting
critical
roles
transport
accumulation.
Seasonal
analysis
indicates
concentrations
peak
wet
season
(38%),
dry
(32%)
transitional
(30%)
seasons.
Spatially,
China
leads
research
globally
USA
(7.8%)
India
(5.9%).
predominantly
composed
polyethylene
(PE),
polypropylene
(PP),
terephthalate
(PET),
with
fibers
fragments
being
most
common
shapes.
Sub-millimeter
(<1
mm)
dominate
globally,
significant
variations
driven
anthropogenic
activities,
industrial
discharge,
factors
such
rainfall
temperature.
The
study
highlights
gaps
understanding
long-term
ecological
impacts
MPs,
emphasizing
need
for
standardized
methodologies,
improved
waste
management,
innovative
mitigation
strategies.
underscores
urgency
addressing
microplastic
through
collaboration
stricter
regulatory
measures.
Water,
Journal Year:
2023,
Volume and Issue:
15(16), P. 2958 - 2958
Published: Aug. 16, 2023
This
paper
presents
a
procedure
for
the
determination
of
bisphenol
A
(BPA)
in
seawater.
Gas
chromatography
coupled
with
mass
spectrometry
(GC-MS)
was
used
as
analytical
method,
preceded
by
analyte
isolation
via
solid-phase
extraction
(SPE).
Initially,
best
conditions
extraction,
derivatization,
and
GC-MS
analysis
were
established.
The
need
derivatization
BPA
investigated,
this
reason,
two
methods
sample
preparation
compared:
without
step.
parameters
compared
each
other,
more
efficient
method
chosen
marine
water
samples.
Afterwards,
validation
process
carried
out
following
determined:
limit
detection
(LOD),
quantification
(LOQ),
linearity,
precision,
reproducibility,
repeatability.
Finally,
results
samples
collected
from
five
harbor
basins
Port
Gdynia
using
an
unmanned
mobile
research
unit,
HydroDron-1,
presented.
identified
concentrations
ranged
0.01
µg/L
to
0.03
µg/L,
depending
on
investigated
area.
Critical Reviews in Environmental Science and Technology,
Journal Year:
2024,
Volume and Issue:
54(24), P. 1803 - 1826
Published: July 1, 2024
Plastic
pollution,
a
pervasive
environmental
crisis,
arises
from
the
improper
disposal
of
non-biodegradable
plastics,
endangering
species
and
ecosystems
worldwide.
While
microplastics
(MPs)
have
been
extensively
studied
in
various
ecosystems,
they
received
scant
attention
port
environments,
despite
their
presence.
This
review
selected
published
articles
conducted
ports
worldwide
between
2010
2024
to
determine
concentration,
accumulation
characteristics,
driving
factors.
A
total
57
studies
across
78
met
selection
criteria,
examining
water,
sediment,
biota
49,
51,
23
ports,
respectively.
The
average
concentrations
MPs
water
collected
by
net
grab
sampling,
fish,
invertebrates
were
approximately
39.2
±
68.4
items/m3,
4100.7
5761.8
243.6
240.2
items/kg,
26.1
21.1
items/individual,
9.4
8.1
items/individual
worldwide,
Asia
Americas
exhibited
highest
concentration
all
media.
dominant
MP
morphotypes
included
fibers,
fragments,
films,
foams,
pellets,
spheres,
with
sizes
frequently
1
1000
μm
5
mm
sediments.
Port
structures
presence
rivers
are
key
drivers
accumulation.
pollution
poses
potential
ecological
health
risks.
Among
23%
had
numbers
sediment
greater
than
predicted
no
effect
(PNEC).
capability
adsorb
other
contaminants
pose
threat
human
health.