Identification and Characterization of Microplastics in Human Cervicovaginal Lavage Fluids Using Raman Spectroscopy: A Preliminary Study
Life,
Год журнала:
2025,
Номер
15(3), С. 357 - 357
Опубликована: Фев. 24, 2025
Microplastics
have
been
detected
in
various
human
organs,
and
studies
on
their
impact
health
are
ongoing.
However,
few
researched
microplastics
the
cervicovaginal
area.
In
this
study,
we
aimed
to
assess
presence
lavage
fluid.
This
prospective
study
was
conducted
at
a
single
tertiary
medical
center,
enrolling
10
participants
aged
27–49
years.
Human
fluid
samples
were
collected
from
patients
by
skilled
obstetrician.
Raman
spectroscopy
used
analyze
characterize
microplastic
particles
samples.
Ninety-one
More
than
50%
of
identified
patient
who
regularly
menstrual
cups.
The
mean
number
9.10
±
14.96
per
g
sample.
Most
<50
μm
size,
polypropylene
polystyrene
most
predominant
types.
analysis
fluids,
suggesting
that
area
is
exposed
microplastics.
varied
significantly
among
individuals.
highlights
need
for
further
research
effects
female
reproductive
system
using
Язык: Английский
Ecotoxicological Effects of Polystyrene Particle Mix (20, 200, and 430 µm) on Cyprinus carpio
Toxics,
Год журнала:
2025,
Номер
13(4), С. 246 - 246
Опубликована: Март 26, 2025
Global
consumption
led
to
increased
and
persistent
plastic
pollution
in
aquatic
environments,
affecting
biota.
Polystyrene
(PS)
is
a
synthetic
polymer
one
of
the
most
widely
used
plastics.
This
study
aims
investigate
acute
chronic
effects
PS
microplastics
on
Cyprinus
carpio
using
an
adapted
OECD
methodology.
For
test,
was
tested
different
particle
sizes
(20,
200,
430
µm),
each
at
concentrations
0,
1,
10,
100
mg
PS/L.
Mortality
clinical
signs
were
monitored
after
96
h
exposure.
No
recorded.
In
mix
particles
µm)
total
concentration
1.2
PS/L
for
75-day
fish
Mortality,
biometric
parameters,
physiological
indices,
antioxidant
enzyme
activities,
including
catalase
(CAT),
glutathione
reductase
(GRed),
S-transferase
(GST),
7-ethoxyresorufin-O-deethylase
(EROD),
lipid
peroxidation
(MDA),
hepatic
enzymes
(alanine
aminotransferase—ALT
aspartate
aminotransferase—AST),
vitellogenin
(VTG),
acetylcholinesterase
(ACh),
assessed.
Fish
exposed
exhibited
40%
change
hepatosomatic
indices
75
days.
Additionally,
induced
oxidative
stress
organs.
CAT
activity
fourfold
intestine,
GRed
thirtyfold
gonads,
GST
doubled
brain.
also
gills
but
not
statistically
significant
compared
control.
Lipid
observed
kidney
(twofold
increase)
detected
intestine;
however,
these
changes
significant.
EROD
by
15%
control
group,
indicating
amplification
expression.
The
ALT
AST
nine
tenfold
VTG
47%,
ACh
showed
more
than
80%
inhibition
brain
muscle.
Furthermore,
overall
protein
expression
intestine
liver
group.
Our
revealed
incidence
severity
microplastic
freshwater
emphasized
urgent
need
prevention,
monitoring,
mitigation
measures
combat
pollution.
Язык: Английский
Microplastic contamination and biological alterations in Atlantic wild fish populations, and human health risks associated to fillet consumption
Marine Environmental Research,
Год журнала:
2025,
Номер
208, С. 107139 - 107139
Опубликована: Апрель 12, 2025
Язык: Английский
Evaluation of the Toxicological Effects of Microparticles from Disposable Polypropylene Face Masks in Oreochromis niloticus
Water Air & Soil Pollution,
Год журнала:
2025,
Номер
236(7)
Опубликована: Май 10, 2025
Язык: Английский
Seasonal distribution of Microplastics and associated Ecological risks in a Semi-Arid Freshwater ecosystem in India
Environmental Pollution,
Год журнала:
2025,
Номер
unknown, С. 126430 - 126430
Опубликована: Май 1, 2025
Язык: Английский
Microplastics in waste management systems: An invisible threat to environmental and public health
Bioresource Technology Reports,
Год журнала:
2025,
Номер
unknown, С. 102141 - 102141
Опубликована: Май 1, 2025
Язык: Английский
Contrasting Microplastic Characteristics in Macroinvertebrates from Two Independent but Adjacent Rivers in Kruger National Park, South Africa
Water,
Год журнала:
2025,
Номер
17(11), С. 1579 - 1579
Опубликована: Май 23, 2025
Freshwater
macroinvertebrates,
often
used
as
indicators
of
environmental
quality
for
freshwater
ecosystems,
may
be
compromised
by
microplastics
(MPs).
We
investigated
MPs
occurring
in
benthic
filter
feeder,
predator,
and
grazer
macroinvertebrates
collected
from
the
catchment-independent
but
adjacent
Olifants
Sabie
rivers
Kruger
National
Park
duplicates.
counted
369
376
organisms
(1.0
n/organism)
with
a
mean
8.8
n/organism,
8.5
0.16
n/organism
feeders,
predators,
grazers,
respectively.
Based
on
MP
colour,
size,
morphotype,
significant
differences
proportional
compositions
between
predatorial
all
other
both
preclude
proxy
indicator
macroinvertebrates.
Proportional
characteristics
differed
respects
two
rivers,
except
one
aspect.
Microplastic
morphotypes
occurred
equal
proportions
suggesting
biological
selection
based
morphotype
not
colour
or
size.
found
little
evidence
trophic
transfer
feeding
guilds.
Of
six
polymer
types
observed
(n
=
50),
butyl
chlorobutyl
dominated.
Waste
mismanagement,
single-use
plastics,
inefficient
wastewater
treatment
plants,
mining,
road
transportation
major
pollution
sources
that
need
mitigation.
Microplastics
ecosystems
nature
conservation
areas
more
attention
due
to
high
biodiversity
exposed.
Язык: Английский