Environmental Sciences Europe,
Journal Year:
2024,
Volume and Issue:
36(1)
Published: Nov. 7, 2024
Microplastic
pollution
is
a
pressing
issue
with
far-reaching
environmental
and
public
health
consequences.
This
study
delves
into
the
intricacies
of
predicting
microplastic
during
COVID-19
pandemic
in
Tehran,
Iran.
The
research
introduces
rigorous
comparative
analysis
that
evaluates
predictive
prowess
Deep
Random
Forest
algorithm
established
benchmarks,
such
as
Forest,
Decision
Trees,
Gradient
Boosting,
AdaBoost,
Support
Vector
Machine.
evaluation
process
encompasses
meticulous
70–30
training–testing
split
main
data
set.
Performance
assessed
by
metrics,
including
ROC
statistical
errors.
primary
set
distinct
categories,
household
wastes,
hospital
clinics
unknown-originated
susceptible
waste
which
categorized
Infected
items,
PPEs,
SUPs,
Test
kits,
Medical
packages,
Unknown-originated
mircoplastic
waste.
Deliberately,
this
was
partitioned
training
testing
subsets,
ensuring
robustness
reliability
subsequent
analyses.
Approximately
70%
database
allocated
to
set,
remaining
30%
constituting
findings
underscore
proposed
algorithm's
supremacy,
boasting
an
impressive
AUC
=
0.941.
exceptional
score
reflects
model's
precision
categorizing
microplastics.
These
results
have
profound
implications
for
management
pandemics.
positions
model
potent
tool
prediction,
encouraging
further
refine
models
tap
new
sources
more
comprehensive
understanding
dynamics
urban
settings.
Analytical Methods,
Journal Year:
2024,
Volume and Issue:
16(13), P. 1887 - 1893
Published: Jan. 1, 2024
Microplastics
can
enter
the
human
body
through
food
chain
and
cause
cardiovascular
or
cerebrovascular
diseases;
thus,
it
is
essential
to
detect
microplastics
sensitively
accurately.
Traditional
methods
have
some
drawbacks,
such
as
a
low
sensitivity
complicated
experimental
procedures,
so
difficult
less
than
1
μm.
While
surface
enhanced
Raman
scattering
technology
compensate
for
these
shortcomings,
there
are
fewer
reports
on
quantitative
detection
of
using
SERS
technology.
In
this
study,
an
internal
standard
method
were
utilized
qualitatively
quantitatively.
The
electric
field
enhancement
effect
common
gold,
silver,
copper
substrates
simulated
by
finite
element
method,
influence
rule
structural
parameters
factor
was
obtained
optimize
parameters.
Subsequently,
gold
nanopyramid
array
substrate
prepared
colloidal
sphere
template
method.
Finally,
applied
polystyrene
with
diameter
500
nm,
limit
1.8
×
10-4
mg
mL-1
in
range
2-2
mL-1,
correlation
coefficient
linear
regression
equation
0.9918.
results
showed
that
proposal
has
lower
wider
expands
ideas
qualitative
seawater.
Waste Management Bulletin,
Journal Year:
2024,
Volume and Issue:
2(1), P. 162 - 171
Published: Jan. 21, 2024
The
COVID-19/2020
crisis
impacted
several
sectors
of
our
society,
including
solid
waste
management
(SWM).
Changes
in
generation
trends
─
quantity
and
composition
have
been
reported
worldwide.
Assessing
data
creates
the
opportunity
to
provide
decision-makers
with
adequate
knowledge
respond
effectively
future
pandemic-like
situations.
This
work
draws
on
household
waste,
healthcare
(HCW),
recyclables
collected
Rio
de
Janeiro
municipality,
analyzed
from
January
2018
December
2023.
As
expected,
collection
HCW
experienced
a
noticeable
increase
2020
2021,
an
average
46.9
54.3
tonnes
per
month,
respectively.
Notably,
2021
saw
significant
42%
compared
2019
(p-value<0.001),
rise
higher
than
40%
2022
2023
2018-2020
(p-value<0.05).
To
enhance
SWM
Janeiro,
we
suggest
1)
Investing
thermal
thermochemical
treatments
for
hazardous
non-recyclable
residues,
2)
Decentralized
valorization
solutions
like
home-composting
practice
decentralized
anaerobic
digestion
systems,
3)
Implementing
oriented
public
awareness
campaigns,
enforcement
separation
at
source,
creation
recycling
programs
considering
local
circumstances.
study
offers
template
municipalities
facing
similar
challenges
during
health
emergencies
beyond.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(6), P. 3777 - 3785
Published: May 16, 2024
Oral
devices,
such
as
foil-type
show
great
potential
for
the
delivery
of
poorly
permeable
macromolecules
by
enabling
unidirectional
release
loaded
pharmaceutical
composition
in
close
proximity
to
epithelium
small
intestine
or
colon.
However,
one
primary
concerns
associated
with
use
devices
so
far
has
been
utilization
nonbiodegradable
elastomers
fabrication
devices.
Therefore,
research
into
biodegradable
substitute
materials
similar
characteristics
enables
drug
a
sustainable
and
environmentally
friendly
manner.
In
this
study,
elastomer,
polyoctanediol
citrate
(POC),
was
synthesized
via
one-pot
reaction,
subsequent
purification
microscale
pattern
replication
casting.
The
microstructure
geometry
designed
enable
selected
which
high
intrinsic
surface
free
energy.
final
elastomer
demonstrated
have
an
elastic
modulus
ranging
up
2.2
±
0.1
MPa,
strain
at
failure
110.1
1.5%.
Devices
were
acetaminophen
enterically
coated,
demonstrating
100%
2.5
h,
following
dissolution
1
h
M
hydrochloric
acid
1.5
pH
6.8
phosphate-buffered
saline.
promising
properties
based
on
mechanical
testing,
energy
evaluation,
degradation
studies.
Journal of Water Process Engineering,
Journal Year:
2024,
Volume and Issue:
64, P. 105702 - 105702
Published: June 28, 2024
Wastewater
(WW)
systems
have
been
recognized
as
crucial
pathways
for
microplastics
(MPs)
to
enter
different
environmental
compartments.
Beginning
with
the
origins
and
routes
of
microplastic
contamination
in
wastewater
treatment
plants
(WWTPs),
this
review
investigates
distribution
transport
MPs
WW
effluent
sludge
(WWS).
The
intricate
relationships
between
physio-thermal
properties
their
influence
on
pretreatment
techniques
employed
eliminate
organic
matter
interference
received
attention.
MP
such
type,
size,
shape,
density,
softening
point,
melting
point
are
determining
separation
concentration
advanced
analysis.
This
also
addresses
need
standardized
protocols
explore
efficient
methods
that
leverage
these
enhance
from
complex
matrix
accurate
Through
a
critical
assessment
literature,
insights
highlighted
manuscript
navigate
journey
detection
how
it
affects
overall
analyzes.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(14), P. e32095 - e32095
Published: July 1, 2024
Microplastics
(MPs)
are
being
released
into
the
environment
in
large
quantities,
especially
less
developed
parts
of
world.
This
group
pollutants
is
mostly
leached
through
heavy
plastic
dumpsites,
pharmaceutical
and
personal
care
product
containers,
hospital
wastes,
package
accessories,
litter
from
food
packaging.
Consequently,
these
compounds
found
different
compartments
ecosystem,
such
as
soils,
sediments,
biota,
and,
surprisingly,
drinking
water.
The
present
study
systematically
appraised
recent
studies
on
MP
pollution
Asian
African
environments.
It
also
summarized
trends
methods
for
environmental
monitoring
MPs
removal
strategies
that
have
been
employed.
From
data
gathered,
two
key
instrumentations
involved
microscopes
visualization
Fourier
transform-infra-red
(FT-IR)
spectrometer
to
classify
or
characterize
MPs.
Based
surveyed
works
literature,
China
South
Africa
relatively
more
information
contamination
diverse
matrices
within
their
countries.
Meanwhile,
status
should
be
conducted
across
all
Hence,
this
becomes
an
eye-opener
regarding
commencement
research
environment,
other
countries
with
little
no
information.
Furthermore,
literature
ecotoxicity
was
investigated
ascertain
toxic
nature
compounds.
aspect
vital
because
it
serves
a
prerequisite
remediation
declared
lethal
biotic
components,
so
hands
must
deck
continuously
remove
them
environment.
