ACS Chemical Health & Safety,
Journal Year:
2021,
Volume and Issue:
29(1), P. 27 - 38
Published: Aug. 25, 2021
The
COVID-19
pandemic
has
called
for
the
increased
use
of
disinfectants
worldwide
in
public
facilities,
transportation,
hospitals,
nursing
homes,
wastewater
treatment
and
even
common
households
to
mitigate
virus
burden.
Active
ingredients
recommended
against
viruses
include
chemicals
such
as
quaternary
ammonium
compounds
(QACs),
hydrogen
peroxide,
bleach
(sodium
hypochlorite),
alcohols.
These
disinfecting
differ
their
structures,
properties,
modes
action,
environmental
behaviors,
effects
on
human
health
upon
exposure.
Humans
can
be
exposed
mainly
through
dermal
absorption,
inhalation,
ingestion.
total
exposure
relative
contribution
each
route
vary
considerably
among
disinfectants.
QACs
have
been
linked
occupational
illnesses
asthma
an
risk
chronic
obstructive
pulmonary
disease
(COPD),
whereas
excess
bleach,
or
alcohol-based
cause
respiratory
damage
developing
controlling
asthma.
Recent
studies
showed
that
presence
blood
associated
with
changes
biomarkers
increase
inflammatory
cytokines,
decreased
mitochondrial
function,
disruption
cholesterol
homeostasis
a
dose-dependent
manner.
Therefore,
repeated
during
raised
questions
exposure-related
long-term
risks
safety.
Furthermore,
lieu
lack
adequate
knowledge
awareness,
these
frequently
used
porous
surfaces,
including
fabrics/textiles
consumer
plastics
cloth
facemasks,
which
disinfectant
chemical
residues
may
persist
longer
duration,
causing
potential
degradation
plastic
materials,
releasing
additives,
shedding
microplastics.
In
addition,
subsequent
discharge
into
adverse
impacts
aquatic
ecosystems,
accumulation
vegetables,
contamination
food
chain
via
irrigation
sludge
application.
This
article
provides
well-rounded
understanding
most
reviews
action
those
disinfectants,
interactions
terrestrial
environments,
humans,
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(5), P. 1907 - 1918
Published: Jan. 25, 2023
Organophosphate
esters
(OPEs)
discharged
from
wastewater
treatment
plants
(WWTPs)
have
attracted
increasing
concerns
because
of
their
potential
risks
to
aquatic
ecosystems.
The
identification
the
structures
OPEs
is
a
prerequisite
for
subsequent
assessment
environmental
impacts,
which
could
hardly
be
accomplished
using
traditional
target
analytical
methods.
In
this
study,
we
describe
use
suspect
and
nontarget
screening
techniques
organophosphate
triesters
diesters
(tri-OPEs
di-OPEs)
in
influent
effluent
samples
acquired
25
municipal
WWTPs
across
China.
There
are
totally
33
different
OPE
molecules
identified,
11
detected
first
time
4
new
public.
all
tested
samples,
di-OPEs
account
significant
portion
(53%
on
average)
total
(ng/L−μg/L).
More
importantly,
most
not
eliminated
after
these
WWTPs,
while
some
even
accumulate.
research
priority
based
ecological
risk
was
also
analyzed,
results
reflected
previously
unrecognized
exposure
emerging
living
organisms.
These
findings
present
holistic
understanding
relevance
country
scale,
will
hopefully
provide
guidance
upgrade
protocols
modification
governmental
regulations
future.
Environmental Science & Technology,
Journal Year:
2021,
Volume and Issue:
55(15), P. 10534 - 10541
Published: June 16, 2021
Intensified
disinfection
of
wastewater
during
the
COVID-19
pandemic
increased
release
toxic
by-products
(DBPs).
However,
studies
relating
to
ecological
impacts
DBPs
on
aquatic
environment
remain
insufficient.
In
this
study,
we
comparatively
investigated
toxicities
and
risks
17
typical,
halogenated
three
trophic
levels
organisms
in
freshwater
ecosystem,
including
phytoplankton
(Scenedesmus
sp.),
zooplankton
(Daphnia
magna),
fish
(Danio
rerio).
Toxicity
was
found
be
species-specific:
Scenedesmus
sp.
most
sensitive
haloacetic
acids,
while
D.
magna
haloacetonitriles
trihalomethanes.
Specific
each
DBP,
were
also
related
their
classes
substituted
halogen
atoms.
Damage
photosystems
oxidative
stress
served
as
potential
mechanisms
for
toxicity
microalgae.
The
different
sensitivities
indicate
that
a
battery
bioassays
with
at
is
necessary
determine
ecotoxicity
DBPs.
Furthermore,
assessed
by
calculating
risk
quotients
(RQs)
based
data
from
multiple
bioassays.
cumulative
RQs
all
greater
than
1.0,
indicating
high
effluents.
Environmental Science & Technology Letters,
Journal Year:
2021,
Volume and Issue:
8(8), P. 651 - 655
Published: June 30, 2021
Single-use
face
masks
are
a
powerful
tool
for
reducing
the
spread
of
COVID-19.
The
usage
single-use
has
increased
enormously
since
start
COVID-19
pandemic,
and
pollution
from
huge
volume
discarded
may
become
an
environmental
issue.
This
study
focuses
on
synthetic
antioxidants
(AOs),
including
phenolic
(SPAs)
organophosphite
(OPAs),
used
in
three-layer
masks.
Both
SPAs
OPAs
were
detected
masks,
with
total
concentrations
ranging
20.0
to
575
μg/g
(median
175
μg/g).
dominant
congeners
tris(2,4-di-tert-butylphenyl)
phosphite
(AO168,
median
83.2
μg/g),
phosphate
(AO168O,
72.9
pentaerythritol
tetrakis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]
(AO1010,
13.7
No
significant
concentration
difference
was
observed
between
medical
nonmedical
Among
three
different
layers
middle
showed
highest
AO
concentrations.
On
basis
detected,
we
estimate
that
1084
tons
AOs
is
annually,
suggesting
be
source
environment.
first
report
occurrence
wide
range
Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(18), P. 13245 - 13253
Published: Aug. 30, 2022
Wastewater-based
surveillance
of
the
COVID-19
pandemic
holds
great
promise;
however,
a
point-of-use
detection
method
for
SARS-CoV-2
in
wastewater
is
lacking.
Here,
portable
paper
device
based
on
CRISPR/Cas12a
and
reverse-transcription
loop-mediated
isothermal
amplification
(RT-LAMP)
with
excellent
sensitivity
specificity
was
developed
wastewater.
Three
primer
sets
RT-LAMP
guide
RNAs
(gRNAs)
that
could
lead
Cas12a
to
recognize
target
genes
via
base
pairing
were
used
perform
high-fidelity
detect
N,
E,
S
SARS-CoV-2.
Due
trans-cleavage
activity
after
amplicon
recognition,
carboxyfluorescein-ssDNA-Black
Hole
Quencher-1
carboxyfluorescein-ssDNA-biotin
probes
adopted
realize
different
visualization
pathways
fluorescence
or
lateral
flow
analysis,
respectively.
The
reactions
integrated
into
simultaneously
detecting
limits
(LODs)
25,
310,
10
copies/mL,
achieved
semiquantitative
analysis
from
0
310
copies/mL
due
LODs
three
genes.
Blind
experiments
demonstrated
suitable
97.7%
82%
accuracy.
This
first
endpoint
LODs,
demonstrating
promising
wastewater-based
surveillance.
Critical Reviews in Environmental Science and Technology,
Journal Year:
2022,
Volume and Issue:
53(1), P. 19 - 46
Published: March 6, 2022
Disinfection
by-products
(DBPs),
a
kind
of
secondary
pollutant
derived
from
water
disinfection
treatment,
are
frequently
detected
in
the
urban
cycle
and
reported
to
show
(eco)toxicological
impacts
on
aquatic
systems
human
health.
Thus,
DBPs
have
become
ubiquitous
environmental
contaminants
emerging
concern.
This
article
reviews
DBP
characteristics
as
well
occurrence
different
aqueous
environments,
namely
reclaimed
wastewater,
surface
drinking
water.
Furthermore,
this
review
discusses
research
related
fate
removal
wastewater-derived
components
cycle,
including
advanced
treatment
facilities,
natural
systems,
plants,
distribution
plumbing
household
processes.
In
general,
under
influence
internal
factors
(i.e.
physicochemical
properties
other
individual
DBP)
external
(e.g.,
composition
conditions
processes,
characteristic
quality).
As
for
future
needs,
identification
monitoring
development
predictive
models
significance
effectively
assess
mitigate
impact
ecological
safety
Besides,
addition
system,
should
also
pay
attention
air
terrestrial
ecosystem.
