Fibers,
Год журнала:
2024,
Номер
12(10), С. 81 - 81
Опубликована: Сен. 29, 2024
Microfibers
are
small
fiber
particles
that
separate
from
larger
textiles
through
wear
abrasion
or
home
laundering.
Pervasive
accumulation
of
synthetic
microfibers
in
the
environment
is
motivating
efforts
to
quantify
them,
and
gain
a
better
understanding
factors
lead
their
release
garments.
Automated
imaging
systems
have
been
previously
employed
for
quantification
natural
microfibers.
In
current
study,
rayon
standard
sourced
scoured
cotton
HVI
calibration
standards
were
examined
with
Fiber
Quality
Analyzer-360
(FQA)
automated
system.
Mechanically
stirred
suspensions
six
microfiber
showed
significantly
lower
counts
than
those
obtained
standard.
Probe
sonication
sample
increased
observed
samples,
by
105%
on
average.
Mean
length
determinations
decreased
by,
average,
5%
sonicated
an
indication
count
increases
not
due
fragmentation.
No
significant
change
was
measurements
samples.
The
samples
average
95%
detection
FQA.
These
results
highlight
importance
proper
suspension
accurate
using
FQA
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
9, С. 100633 - 100633
Опубликована: Янв. 27, 2024
The
horticulture
sector,
essential
for
global
food
production,
confronts
significant
challenges
with
prevalent
pollutants,
mainly
microplastics.
presence
of
microplastics
in
the
chain
has
induced
physiological
stress
and
a
multifactorial
safety
concern.
complexity
problem,
arising
from
intricate
interactions
among
microplastics,
organisms,
ecosystems,
poses
substantial
challenge
to
safety,
necessitating
an
immediate
strategic
perspective
due
associated
risks
human
health
eco-toxicology.
Significant
knowledge
gaps
persist
regarding
their
impact
on
terrestrial
especially
horticulture.
This
study
addresses
urgent
need
comprehend
implications
soil
health,
eco-toxicological
risks,
nutrient
dynamics
horticultural
environments.
review
covers
potential
sources
crops
including
eco-toxicity,
various
identification
techniques,
proposed
mitigation
measures,
offering
insights
environmentalists,
biotechnologists,
policymakers
proactively
mitigate
risks.
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
272, С. 115850 - 115850
Опубликована: Янв. 30, 2024
Polystyrene
microplastics
(MPs)
are
persistent
environmental
pollutants
commonly
encountered
in
daily
human
life.
Numerous
studies
have
demonstrated
their
ability
to
induce
liver
damage,
including
oxidative
stress,
inflammation,
and
lipid
accumulation.
However,
limited
information
exists
regarding
preventive
measures
against
this
issue.
In
our
study,
we
investigated
the
potential
role
of
selenium
nanoparticles
(YC-3-SeNPs)
derived
from
Yak-derived
Bacillus
cereus,
a
novel
nanobiomaterial
known
for
its
antioxidant
properties
metabolism
regulation.
Using
transcriptomic
metabolomic
analyses,
identified
key
genes
metabolites
associated
with
stress
imbalance
induced
by
MPs.
Upregulated
(Scd1,
Fasn,
Irs2,
Lpin)
elevated
levels
arachidonic
palmitic
acid
accumulation
were
observed
MP-exposed
mice,
but
not
those
exposed
SeNPs.
Further
experiments
confirmed
that
SeNPs
significantly
attenuated
degeneration
caused
Histological
results
pathway
screening
validated
findings,
revealing
MPs
suppressed
Pparα
Nrf2
pathway,
whereas
activated
both
pathways.
These
findings
suggest
may
contribute
development
nonalcoholic
fatty
disease
(NAFLD),
while
hold
promise
as
future
nanobio-product
prevention.
