GIDA / THE JOURNAL OF FOOD,
Год журнала:
2024,
Номер
49(2), С. 205 - 222
Опубликована: Фев. 29, 2024
Plastikler
kolay
işlenebilir,
dayanıklı,
hafif
ve
ucuz
olması
gibi
özellikleri
nedeniyle
günlük
yaşamın
vazgeçilmez
malzemelerinden
biridir.
Gıda
sektöründe
özellikle
ürünlerin
ambalajlanması
taşınması
konulardaki
avantajları
sıklıkla
tercih
edilmektedir.
Kullanılan
plastikler
çeşitli
çevresel
faktörlerle
mikroplastik
olarak
adlandırılan
daha
küçük
parçacıklar
halinde
doğada
serbest
kalmaktadır.
Yapılan
çalışmalar
bu
parçacıkların
havada,
suda
gıdalarda
bulunduğunu
göstermiştir.
İnsanlarda,
kanda
organlarda
da
tespit
edildiği
için
mikroplastiklerin
insan
sağlığı
üzerindeki
olası
etkileri
endişe
uyandırmaktadır.
Mikroplastiklerin
hem
çevre
de
küresel
bir
tehdit
haline
geldiği
göz
önüne
alındığında,
gıdaya
olan
kontaminasyon
kaynaklarının
belirlenmesi,
kontaminasyonu
etkileyen
faktörlerin
irdelenmesi
gıdalardaki
miktarlarının
belirlenmesi
yöntemlerin
geliştirilmesi
gereklidir.
Bu
derlemede
kavramının
açıklanması,
sağlık
üzerine
ile
ilgili
yapılan
çalışmaların
özetlenmesi,
süt
ürünlerindeki
varlığı
kaynakları
bilgilerin
toplanması
tespitinde
ayırma
aşamasında
kullanılan
kapsamlı
şekilde
incelenerek
sunulması
amaçlanmıştır.
Molecules,
Год журнала:
2023,
Номер
28(15), С. 5710 - 5710
Опубликована: Июль 28, 2023
Sustainable
development
is
a
big
global
challenge
for
the
21st
century.
In
recent
years,
class
of
emerging
contaminants
known
as
microplastics
(MPs)
has
been
identified
significant
pollutant
with
potential
to
harm
ecosystems.
These
small
plastic
particles
have
found
in
every
compartment
planet,
aquatic
habitats
serving
ultimate
sink.
The
extract
MPs
from
different
environmental
matrices
tangible
and
imperative
issue.
One
primary
specialties
research
chemistry
simple,
rapid,
low-cost,
sensitive,
selective
analytical
methods
extraction
identification
environment.
present
review
describes
developments
MP
complex
matrices.
All
existing
methodologies
(new,
old,
proof-of-concept)
are
discussed
evaluated
their
usefulness
various
biotic
abiotic
sake
progress
innovation.
This
study
concludes
by
addressing
current
challenges
outlining
future
objectives
aimed
at
combating
pollution.
Additionally,
set
recommendations
provided
assist
researchers
selecting
appropriate
techniques
obtaining
accurate
results.
To
facilitate
this
process,
proposed
roadmap
presented,
considering
specific
compartments
under
investigation.
By
following
roadmap,
can
enhance
understanding
pollution
contribute
effective
mitigation
strategies.
Water Emerging Contaminants & Nanoplastics,
Год журнала:
2025,
Номер
4(1)
Опубликована: Фев. 19, 2025
Microplastics
(MPs)
increase
global
awareness
due
to
their
ubiquity,
high
concentration
levels,
and
devastating
effects
on
the
aquatic
environment.
Wastewater
treatment
plants
(WWTPs)
are
recognized
as
a
significant
source
of
microplastics
in
terrestrial
environments,
particularly
for
plastics
used
personal
care
products
textile
fibers
from
clothing
industry.
The
focus
present
study
was
determination
MP
wastewater
sewage
sludge
samples
WWTP
Ioannina
city,
according
shape,
size,
concentration,
polymer
type.
A
wet
peroxide
oxidation
(WPO)
method
using
30%
H2O2
0.05
M
ferrous
(II)
solution
applied
water
effluent,
while
an
enzymatic
digestion
combined
with
WPO
employed
eliminate
organic
matter
extract
MPs
samples.
Micro-Raman
spectroscopy
coupled
appropriate
software
detect
quantify
microplastic
particles.
outcomes
this
showed
that
most
representative
shape
effluent
fragments
(66.7%
75%,
respectively),
followed
by
fibers,
spheres,
films.
Polyamide
(PA),
p
-acrylic
acid
(PAA),
-acrylamide-co-p
(PAM-co-PAA)
were
abundant
polymers
(100%
frequency
detection),
-vinyl
chloride
(PVC),
-butyl
methacrylate
(PBMA),
-ethylene
(PE),
-styrene
(PS),
-propylene
(PP),
alcohol
(PVA),
butyral
(PVB)
(20%-80%
detection).
mean
five
sampling
campaigns
5.8
±
0.6
particles/L
secondary
effluents
33.3
8
particles/g
sludge.
This
focused
monitoring
campaign,
order
better
understand
occurrence,
impact,
risks
associated
WWTPs.
Environmental Pollution,
Год журнала:
2024,
Номер
346, С. 123673 - 123673
Опубликована: Фев. 27, 2024
Airborne
microplastics
(AMPs)
have
been
identified
in
both
indoor
and
outdoor
environments
account
for
a
large
portion
of
an
individual's
daily
exposure
to
microplastics.
Thus,
it
is
crucial
find
effective
methods
capture
control
the
levels
AMPs
ultimately
reduce
human
exposure.
While
terrestrial
plants
recognized
their
effectiveness
capturing
airborne
particles,
little
known
about
ability
AMPs.
This
study
investigated
8
natural
plant
species
2
artificial
AMPs,
as
well
influence
leaf
morphology
on
this
retention.
Plant
leaves
were
exposed
two
weeks,
deposited
MPs
characterized
using
Micro-Fourier
Transform
Infrared
spectrometer
(μ-FTIR).
Selected
cleaned
further
digested,
presence
subsurface
was
confirmed
μ-Raman.
Results
revealed
that
retained
all
selected
at
concentrations
ranging
from
0.02
0.87
n/cm2.
The
highest
average
concentration
observed
with
fenestrated
leaves,
followed
by
trichomes
leaflets.
lowest
smooth
leaves.
majority
(90%)
fibres,
remaining
fragments.
PET
prominent
polymer
type.
Additionally,
MP
fragments
one
species,
likely
within
cuticles.
results
suggest
can
indiscriminately
retain
surfaces
act
temporary
sinks
may
provide
useful
functional
role
reducing
AMP
concentrations,
although
longer-term
studies
are
needed
ascertain
retention
capacity
more
accurately
over
time
evaluate
capability
suitable,
cost-effective
candidate
Marine Pollution Bulletin,
Год журнала:
2024,
Номер
201, С. 116243 - 116243
Опубликована: Март 20, 2024
Oceanic
islands
are
exposed
to
plastic
debris
that
has
accumulated
in
the
open
ocean,
particularly
subtropical
gyres.
This
study
investigates
abundance
and
typology
of
microplastics
(from
0.1
5
mm)
on
19
sandy
beaches
spread
across
8
oceanic
Azores
archipelago.
Between
January
April
2016,
a
total
341
particles
retrieved
from
all
beaches,
were
identified
as
microplastics.
The
highest
concentration
(50.19
±
21.93
kg−1
dw)
was
found
Terceira
Island.
Beach
morphology
grain
size
important
factors
explaining
microplastic
concentration.
Fibres
most
dominant
recovered
(80.9
%),
followed
by
fragments
(12.3
%).
Fourier
transform
infrared
spectroscopy
(FTIR)
revealed
41
%
fibres
consisted
polyester
60
polyethylene.
research
underlines
widespread
contamination
Atlantic
Ocean.