Chemosphere,
Journal Year:
2022,
Volume and Issue:
299, P. 134373 - 134373
Published: March 18, 2022
The
ongoing
COVID-19
pandemic
is
leading
to
an
increase
of
the
global
production
plastics
since
use
personal
protective
equipment
(PPEs,
i.e.
gloves,
gowns,
masks,
packaging
items),
has
become
mandatory
prevent
spread
virus.
Plastic
breaks
down
into
micro/nano
particles
due
physical
or
chemical
biological
actions
environment.
Due
small
dimensions,
ubiquitous
and
persistent
nature,
plastic
represent
a
significant
threat
ecosystems
can
entry
food
chains.
Among
polymers
used
for
PPEs,
polystyrene
less
studied
regarding
its
eco-geno-toxicity.
This
study
aims
investigate
acute,
chronic
subchronic
effects
microplastic
beads
(PS-MP,
size
1.0
μm)
on
three
freshwater
species,
alga
Raphidocelis
subcapitata,
rotifer
Brachionus
calyciflorus,
crustacean
Ceriodaphnia
dubia
benthic
ostracod
Heterocypris
incongruens.
Furthermore,
potential
genotoxicity
ROS
PS-MP
were
also
determined
in
C.
dubia.
Results
revealed
that
acute
occurred
at
concentrations
order
dozens
mg/L
B.
calyciflorus
hundreds
H.
Regarding
long-term
toxicity,
increasing
with
EC50s
units
(C.
dubia),
(B.
calyciflorus)
thousands
(R.
subcapitata)
μg/L
observed.
Both
chronic/sub
daphnids
more
sensitive
than
ostracods.
Moreover,
when
neonates
exposed
PS-MP,
alterations
genetic
material
as
well
occurred,
starting
from
μg/L,
probably
inflammatory
responses.
At
last,
risk
quotient
(RQ)
measure
posed
by
PS-MPs
environment,
was
calculated
obtaining
value
7.2,
higher
threshold
1.
Buildings,
Journal Year:
2022,
Volume and Issue:
12(1), P. 74 - 74
Published: Jan. 12, 2022
The
COVID-19
pandemic
forced
the
accessibility,
social
gathering,
lifestyle,
and
working
environment
to
be
changed
reduce
infection.
Coronavirus
spreads
between
people
in
several
different
ways.
Small
liquid
particles
(aerosols,
respiratory
droplets)
from
an
infected
person
are
transmitted
through
air
surfaces
that
contact
with
humans.
Reducing
transmission
modified
heating,
ventilation,
conditioning
(HVAC)
systems
building
design
potential
solutions.
A
comprehensive
review
of
engineering
control
preventive
measures
mitigate
spread,
healthy
design,
material
was
carried
out.
current
state-of-the-art
presented
include
ultraviolet
germicidal
irradiation
(UVGI),
bipolar
ionization,
vertical
gardening,
indoor
plants.
They
have
improve
quality.
In
addition,
this
article
presents
materials
(e.g.,
copper
alloys,
anti-microbial
paintings)
smart
technologies
automation,
voice
control,
artificial
intelligence-based
facial
recognition)
infections
communicable
diseases.
Foundations of Computing and Decision Sciences,
Journal Year:
2023,
Volume and Issue:
48(3), P. 269 - 312
Published: Sept. 1, 2023
Abstract
This
paper
proposes
a
mathematical
model
of
Sustainable
Closed-Loop
Supply
Chain
Networks
(SCLSCNs).
When
an
outbreak
occurs,
environmental,
economic,
and
social
aspects
can
be
traded
off.
A
novelty
aspect
this
is
its
emphasis
on
hygiene
costs.
As
well
as
healthcare
education,
prevention,
control
COVID-19,
offers
job
opportunities
related
to
COVID-19
pandemic.
damages
lead
lost
days
each
year,
which
one
the
negative
model.
was
associated
with
two
environmental
novelties
in
study.
positive
effects
observed
context.
result,
there
has
been
increase
medical
waste
disposal
plastic
disposal.
Multi-objective
modeling
whit
Weighted
Tchebycheff
method
scalarization.
In
process,
software
Lingo
used.
The
pandemic
still
lot
research
gaps
because
it’s
new
disease.
An
SC
that
sustainable
hygienic
will
developed
fill
gap
condition
disaster.
Our
indicator
sustainability
demonstrated
using
mixed-integer
programming
COVID-19-related
issues
(CLSC)
overview.
Journal of environmental chemical engineering,
Journal Year:
2023,
Volume and Issue:
11(2), P. 109308 - 109308
Published: Jan. 11, 2023
During
the
first
year
of
COVID-19
pandemic,
facemasks
became
mandatory,
with
a
great
preference
for
disposable
ones.
However,
benefits
face
masks
health
safety
are
counteracted
by
environmental
burden
related
to
their
improper
disposal.
An
unprecedented
influx
entering
environment
has
been
reported
in
last
two
years
along
implications
natural
environments
terms
biodegradability,
released
contaminants
and
ecotoxicological
effects.
This
critical
review
addresses
several
aspects
current
literature
regarding
(bio)degradation
(eco)toxicity
contaminants,
identifying
uncertainties
research
needs
that
should
be
addressed
future
studies.
While
it
is
indisputable
mask
contamination
contributes
already
alarming
plastic
pollution,
we
still
far
from
determining
its
real
contribution
issue.
The
paucity
studies
on
biodegradation
ecotoxicity
uncontrolled
variables
involved
during
experimental
procedures,
compromising
eventual
comparison
conventional
debris.
Studies
abundance
composition
mask-released
(microplastics/fibres/
chemical
compounds)
under
pre-
post-pandemic
conditions
should,
therefore,
encouraged,
tests
considering
environmentally
relevant
settings.
To
achieve
this,
methodological
strategies
developed
overcome
technical
difficulties
quantify
characterise
smallest
MPs
fibres,
adsorbents,
leachates
increase
relevancy
conditions.
Emerging contaminants,
Journal Year:
2023,
Volume and Issue:
10(2), P. 100298 - 100298
Published: Dec. 8, 2023
The
usage
of
face
masks
in
various
sectors
healthcare
facilities
dates
back
to
years
ago.
However,
the
utilization
facial
coverings
experienced
a
rapid
surge
as
result
escalating
rate
COVID-19
infections
witnessed
across
entire
globe.
This
culminated
an
unparalleled
inundation
disposed
within
surrounding
ecosystem.
transforms
mask
from
potent
protectant
into
massive
emerging
solid
plastic
waste
pollutant
with
long-term
adverse
effects
on
environment
and
human
health.
worldwide
scale
escalated
immensely
significant
129
billion
per
month
at
onset
pandemic.
Nanomaterial-based
technologies
have
been
integrated
manufacturing
chains
increase
performance
provide
antiviral
characteristics.
Nanotechnology
encompasses
multidisciplinary
aspects
including
artificial
intelligence,
chemistry,
biology,
material
science,
physical
medicine.
Abridgment
this
review
aims
make
discarded
sustainable
solution
many
environmental
pollution.
In
addition,
it
culminates
collaborative
well-conducted
trials,
done
for
generating
greener
solutions
intention
that
environment-friendly
manner.
Given
preceding,
purpose
is
discuss
evolution
sentinel
pathogens
pollutants
over
time,
well
comprehend
effect
biosphere,
health,
food
chain,
by
developing
scientifically
validated
strategies
treat
future.
