Efficient biodegradation of plastics additive Tris 2,4-di-tert-butylphenyl phosphite by synthetic consortia based on relay biodegradation principal
Malle Adolf -,
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Farees Ud Din Mufti,
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Wei Hong
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et al.
Total environment engineering.,
Journal Year:
2025,
Volume and Issue:
unknown, P. 100010 - 100010
Published: Feb. 1, 2025
Language: Английский
Development of a dispersive liquid–liquid microextraction method for the determination of plastic additives in seawater
Analytical Methods,
Journal Year:
2024,
Volume and Issue:
16(11), P. 1603 - 1610
Published: Jan. 1, 2024
A
method
using
DLLME
prior
to
HPLC-DAD
was
developed
determine
seven
additives
from
the
plastics
industry
(butylated
hydroxytoluene,
diisodecyl
phthalate,
irgafos
168,
lawsone,
quercetin,
triclosan
and
vitamin
E)
in
seawater
samples.
Language: Английский
Quantification of Irgafos P-168 and Degradative Profile in Samples of a Polypropylene/Polyethylene Composite Using Microwave, Ultrasound and Soxhlet Extraction Techniques
Journal of Composites Science,
Journal Year:
2024,
Volume and Issue:
8(4), P. 156 - 156
Published: April 21, 2024
In
polypropylene/polyethylene
composite
(C-PP/PE)
production,
stabilizing
additives
such
as
Irgafos
P-168
are
essential
antioxidant
agents.
this
study,
an
investigation
was
carried
out
that
covers
different
solid–liquid
extraction
methods
(Soxhlet,
ultrasound,
and
microwaves);
various
variables
were
evaluated,
temperature,
time,
the
choice
of
solvents,
type
C-PP/PE
used,
gas
chromatography
coupled
to
mass
spectrometry
(GC-MS)
technique
used
quantify
presence
in
samples.
The
results
revealed
microwave
most
effective
recovering
P-168.
A
recovery
96.7%
achieved
when
using
dichloromethane
a
solvent,
92.83%
limonene
solvent.
ultrasound
recovered
91.74%
89.71%
limonene.
Soxhlet
method
showed
lowest
percentages
57.39%
solvent
55.76%
with
limonene,
especially
form
pellets.
degradation
products
obtained
highest
Bis
(di-test-butyl
phenyl)
phosphate
Mono
PP
film.
Finally,
possible
mechanisms
for
forming
compounds
postulated.
Language: Английский
Use of a nanoplastic carrier for assessing the aquatic toxicity of an organo-phosphite polymer additive
Environmental Pollution,
Journal Year:
2024,
Volume and Issue:
361, P. 124837 - 124837
Published: Aug. 28, 2024
This
work
reports
the
production
of
nanoplastics
(NPs)
from
polypropylene
(PP)
free
antioxidant
Irgafos®
168
(IRG)
and
alkane
oligomers
(ALK).
PP
pellets
were
milled
into
a
powder
with
particle
sizes
in
100-500
μm
range.
Additives
removed
using
dichloromethane,
exposed
to
UV
irradiation,
followed
by
filtration
through
1
filters.
suspensions,
oligomers,
reloaded
IRG
ALK
their
original
commercial
concentrations.
approach
allowed
testing
aquatic
toxicity
at
concentrations
compromised
water
solubility
limits.
Toxicity
assays
cladoceran
Daphnia
magna
24-48
h
immobilization
neonates
as
endpoint
showed
for
NPs
containing
IRG,
EC
Language: Английский
Chemical Exposomics in Human Plasma by Lipid Removal and Large-Volume Injection Gas Chromatography–High-Resolution Mass Spectrometry
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(40), P. 17592 - 17605
Published: Sept. 24, 2024
For
comprehensive
chemical
exposomics
in
blood,
analytical
workflows
are
evolving
through
advances
sample
preparation
and
instrumental
methods.
We
hypothesized
that
gas
chromatography-high-resolution
mass
spectrometry
(GC-HRMS)
could
be
enhanced
by
minimizing
lipid
coextractives,
thereby
enabling
larger
injection
volumes
lower
matrix
interference
for
improved
target
sensitivity
nontarget
molecular
discovery.
A
simple
protocol
was
developed
small
plasma
(100-200
μL)
using
isohexane
(H)
to
extract
supernatants
of
acetonitrile-plasma
(A-P).
The
HA-P
method
quantitative
a
wide
range
hydrophobic
multiclass
analytes
(i.e.,
log
Language: Английский