Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 8, 2024
Microplastics
(MPs)
can
enter
the
body
via
plastic
products.
Given
modern
exposure,
we
seek
to
assess
MP
exposure
in
large
populations
through
epidemiological
tools.
In
this
quasi-experimental
study,
every
participant
filled
out
a
questionnaire,
and
those
who
satisfied
any
of
following
requirements
were
not
allowed
continue
study:
Diabetes,
ulcerative
colitis,
Crohn's
disease,
infectious
diseases.
Participants
control
groups
provided
three
hot
meals
disposable
tableware
(DPT)
(n
=
30)
or
non-DPT
30),
respectively.
After
month
observation,
individuals
group
discontinued
DPT
27)
for
1
as
post-exposure
group.
Each
Participant
received
questionnaire
survey
fecal
sample
collection.
We
compared
differences
levels
between
different
used
Bland-Altman
analysis
method
evaluate
consistency
results
obtained
by
measurement
methods.
Statistically
significant
total
quantity
(P
(0.80
matching
degree)
0.020;
P
(0.65
<
0.001)
types
(Polyethylene
Terephthalate
(EVA)
0.039),
Polyethylene
(PET)
0.022),
Polyvinyl
Butyral
(PVB)
0.013),
Chlorinated
(CPE)
phenolic
epoxy
resin
0.012))
MPs
observed
groups.
The
indicate
that
two
methods
exhibit
good
(control
group:
mean
difference
0.54,
agreement
limits
(95%
CI)
-
0.44
~
1.54;
0.41,
0.19
1.01;
0.19,
0.63
1.02).
based
on
surveys
substitute
detection
particles.
Environmental Monitoring and Assessment,
Год журнала:
2024,
Номер
196(5)
Опубликована: Апрель 25, 2024
Abstract
The
potentially
harmful
effects
of
consuming
toxic
elements
(PTEs)
and
microplastics
(MPs)
regularly
via
drinking
water
are
a
significant
cause
for
worry.
This
study
investigated
PTEs
(Cd,
Cu,
Cr,
Ni,
Pd,
Zn,
Co),
MPs,
turbidity,
pH,
conductivity,
health
risk
assessment
in
the
treatment
plant
Kielce,
Poland.
Zn
had
highest
concentrations
throughout
facility,
whereas
Cd,
Pb,
Co
lower
(<
0.1
µg/L).
order
among
specified
was
like
Zn˃Cu˃Ni˃Cr˃Cd˃Pb
Co.
minimum
turbidity
0.34,
maximum
1.9
NTU.
range
pH
samples
6.51—7.47.
conductivity
1,203—1,445
ms
samples.
These
identified
MPs
were
categorized
into
fiber
fragments.
color
these
blue,
red,
black,
green,
transparent.
size
196
4,018
µm,
while
average
2,751
±
1,905
µm.
concentration
per
liter
108.88
55.61.
listed
C,
O,
Na,
Mg,
Al,
Si,
K,
Ca,
Ti.
Fe
predominant
seen
using
EDX.
HQ
values
less
than
one
adults
children.
human
associated
with
all
detected
revealed
that
exhibit
satisfactory
degree
non-carcinogenic
adverse
risk.
HI
children
age
groups
one.
In
most
samples,
carcinogenic
value
exceeds
threshold
10
−6
.
MP
should
be
periodically
monitored
to
minimize
consumers'
environmental
pollution
risks.
Indoor and Built Environment,
Год журнала:
2024,
Номер
33(8), С. 1519 - 1541
Опубликована: Апрель 17, 2024
Microplastics
(MPs),
measuring
less
than
5
mm,
have
been
causing
environmental
concerns
in
aquatic
ecosystems,
and
work
has
done
indoor
environments,
where
humans
spend
most
of
their
lives.
This
finding
revealed
a
diverse
range
MPs
within
house
dust
samples.
These
encompassed
fibres,
fragments,
foams,
pellets
films.
Due
to
the
ubiquity
textile-based
items,
fibres
are
common
MP.
The
different
colours
like
black,
red,
blue,
yellow,
white
brown.
study
there
were
substantial
differences
MP
sizes
across
households.
average
size
was
178.87–3713.99
µm.
One
hundred
eighteen
particles
identified
as
MPs.
22
types
MPs,
shedding
light
on
these
materials’
extensive
sources
applications
everyday
household
items.
environments
raise
about
potential
human
exposure
underscore
need
for
further
research
into
health
implications.
found
samples
low-density
polyethylene,
polypropylene,
polyamide,
polyvinyl
chloride,
high-density
polyethylene
polystyrene.
Carbon,
nitrogen,
fluorine,
sodium,
sulphur,
potassium,
calcium,
zinc,
oxygen
magnesium
elements
all
Compared
with
active
sampling,
slightly
more
Discover Environment,
Год журнала:
2024,
Номер
2(1)
Опубликована: Авг. 8, 2024
Abstract
This
review
explores
the
hidden
hazards
associated
with
reuse
of
treated
wastewater
and
sewage
sludge
in
agriculture
while
proposing
mitigation
strategies.
It
examines
origins
pathways
microplastics
(MPs)
treatment
plants
how
these
pollutants
infiltrate
agricultural
ecosystems.
The
assesses
effectiveness
MP
removal
from
its
fate
soil
after
reuse,
highlighting
contamination
dynamics
need
for
proactive
measures.
Introducing
remediation
methods
is
crucial
addressing
this
issue.
Alarming
evidence
MPs
human
blood,
testis,
semen,
placenta
underscores
urgency
solutions,
revealing
significant
threats
to
health,
particularly
reproductive
health.
advocates
sustainable
practices
effective
strategies
mitigate
contamination,
promoting
environmental
preservation,
food
safety,
health
protection.
Graphical
Air Quality Atmosphere & Health,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 9, 2024
Abstract
Micro
and
nanoplastics
(MNPs)
may
enter
the
human
body
through
food,
drink,
air.
Scientists
have
mainly
focused
on
first
two
routes,
but
little
is
known
about
third.
A
cascade
impactor
having
a
size
range
of
(>
2.5,
1.0–2.5,
0.50–1.0,
0.25–0.50,
<
0.25
μm)
was
used
to
study
segregation
MNPs
in
different
indoor
commercial
markets.
The
morphological
characterization
showed
presence
fibers,
fragments,
films,
lines,
foam,
pellets
with
colors.
Three
hundred-seven
particles
were
scanned
for
chemical
description
under
Micro-Raman
analysis,
247
identified
categorized
into
52
.
standard
found
samples
PTFE,
PE,
PP,
HDPE,
PA,
LDPE,
PAM.
SEM-EDX
analysis
that
C,
O,
F
had
highest
weight%
among
all
elements
seen,
while
F,
Mg,
Al
common
elements.
These
are
small
enough
get
inhaled
easily.
these
environments
vast
sources
emit
polymeric
harmful
health
impacts,
particularly
employees
working
there.
So,
there
need
take
necessary
measures
minimize
release
their
impacts
health.
The Science of The Total Environment,
Год журнала:
2024,
Номер
951, С. 175813 - 175813
Опубликована: Авг. 25, 2024
Investigating
the
interaction
between
influent
particles
and
biomass
is
basic
important
for
biological
wastewater
treatment.
The
micro-level
methods
allow
this,
such
as
microscope
image
analysis
method
with
conventional
ImageJ
processing
software.
However,
these
are
cost
time-consuming,
require
a
large
amount
of
work
on
manual
parameter
tuning.
To
deal
this
problem,
we
proposed
deep
learning
(DL)
to
automatically
detect
quantify
microparticles
free
from
entrapped
in
images.
Firstly,
introduced
"TU
Delft-Interaction
Particles
Biomass"
dataset
containing
labeled
Then,
built
DL
models
using
seven
state-of-the-art
model
architectures
instance
segmentation
task,
Mask
R-CNN,
Cascade
Yolact
YOLOv8.
results
show
that
R-CNN
ResNet50
backbone
achieves
promising
detection
accuracy,
mAP50
Discover Environment,
Год журнала:
2024,
Номер
2(1)
Опубликована: Сен. 3, 2024
Microplastics
(MPs)
have
been
identified
in
diverse
settings,
including
drinking
water,
freshwater,
food,
air,
and
marine
environments.
This
study
employed
stereomicroscopic
µ-Raman
techniques
to
analyze
water
samples
from
ten
widely
consumed
bottled
brands,
aiming
detect
characterize
MPs.
Additionally,
the
oral
consumption
of
MPs
per
capita
was
estimated.
The
average
abundance
ranged
9
±
1.00
MPs/L
3
1.73
across
all
brands.
Various
shapes
were
observed,
fibers,
fragments,
films,
pellets,
with
fibers
being
predominant
(58.928%).
categorized
by
color
into
five
groups
(red,
blue,
black,
yellow,
transparent),
red
comprising
approximately
35.714%
total
count.
All
less
than
500
µm
size.
analysis
validated
presence
eight
different
polymer
types
samples,
namely
Polypropylene
(PP)
(37.5%),
Polymethyl
methacrylate
(PMMA)
(3.571%),
polystyrene
(PS)
(33.928%),
polycarbonate
(PC)
polybutylene1
(PB1)
(14.2%),
Isotactic
polypropylene
(iPP)
(7.142),
Nylone
6-α
polymorph
(αNY6)
(5.357%),
polyvinyl
alcohol
(PVOH)
(1.785%).
estimated
daily
intake
person
determined
be
0.42
MPs,
translating
an
annual
153.3
person.
origin
likely
attributed
both
raw
sources
packaging
materials,
underscoring
need
for
further
investigation.
Given
potential
health
implications
human
exposure
careful
consideration
should
given
use
plastic
potable
water.
