Catalysts,
Год журнала:
2022,
Номер
12(6), С. 580 - 580
Опубликована: Май 25, 2022
Due
to
the
release
of
active
pharmaceutical
compounds
in
wastewater
and
their
persistence
environment,
dangerous
consequences
can
develop
aquatic
terrestrial
organisms.
Chitosan/Ag/TiO2
3D
printed
scaffolds,
at
different
Ag
nanoparticle
concentrations
(10,
100,
1000
ppm)
are
investigated
here
as
promising
materials
for
photocatalytic
degradation
under
UV–Vis
irradiation
wastewater.
As
target
drugs,
amoxicillin,
paracetamol
1:1
mix
were
selected.
nanoparticles
increase
efficiency
system
based
on
titanium
dioxide
embedded
chitosan
scaffold:
presence
Chitosan/Ag100/TiO2,
selected
pharmaceuticals
(PhCs),
monitored
by
spectroscopy,
completely
removed
about
2
h.
The
photodegradation
products
PhCs
identified
Liquid
Chromatography–Mass
Spectroscopy
assessed
toxicological
impact
six
bacterial
strains:
no
antibacterial
activity
was
found
towards
tested
strains.
This
new
Ag/TiO2
supported
scaffolds
may
represent
an
effective
strategy
reduce
pollution
emerging
contaminants.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(20), С. 7645 - 7665
Опубликована: Май 9, 2023
Quaternary
ammonium
compounds
(QACs),
a
large
class
of
chemicals
that
includes
high
production
volume
substances,
have
been
used
for
decades
as
antimicrobials,
preservatives,
and
antistatic
agents
other
functions
in
cleaning,
disinfecting,
personal
care
products,
durable
consumer
goods.
QAC
use
has
accelerated
response
to
the
COVID-19
pandemic
banning
19
antimicrobials
from
several
products
by
US
Food
Drug
Administration
2016.
Studies
conducted
before
after
onset
indicate
increased
human
exposure
QACs.
Environmental
releases
these
also
increased.
Emerging
information
on
adverse
environmental
health
impacts
QACs
is
motivating
reconsideration
risks
benefits
across
life
cycle
their
production,
use,
disposal.
This
work
presents
critical
review
literature
scientific
perspective
developed
multidisciplinary,
multi-institutional
team
authors
academia,
governmental,
nonprofit
organizations.
The
evaluates
currently
available
ecological
profile
identifies
multiple
areas
potential
concern.
Adverse
effects
include
acute
chronic
toxicity
susceptible
aquatic
organisms,
with
concentrations
some
approaching
levels
Suspected
or
known
outcomes
dermal
respiratory
effects,
developmental
reproductive
toxicity,
disruption
metabolic
function
such
lipid
homeostasis,
impairment
mitochondrial
function.
QACs'
role
antimicrobial
resistance
demonstrated.
In
regulatory
system,
how
managed
depends
it
used,
example
pesticides
products.
can
result
same
receiving
different
degrees
scrutiny
depending
agency
regulating
it.
Further,
Protection
Agency's
current
method
grouping
based
structure,
first
proposed
1988,
insufficient
address
wide
range
chemistries,
toxicities,
scenarios.
Consequently,
exposures
common
mixtures
sources
remain
largely
unassessed.
Some
restrictions
implemented
elsewhere,
primarily
focused
Assessing
posed
hampered
vast
structural
diversity
lack
quantitative
data
majority
compounds.
important
gaps
provides
research
policy
recommendations
preserving
utility
chemistries
while
seeking
limit
effects.
The Science of The Total Environment,
Год журнала:
2022,
Номер
834, С. 155317 - 155317
Опубликована: Апрель 19, 2022
From
2019,
life
in
the
world
has
mainly
been
determined
by
successive
waves
of
COVID-19
epidemic.
During
this
time,
virus
structure,
action,
short-
and
long-term
effects
infection
were
discovered,
treatments
developed.
This
epidemic
undoubtedly
affected
people's
lives,
but
increasing
attention
is
also
being
paid
to
on
environment.
Following
PRISMA
(Preferred
Reporting
Items
for
Systematic
Reviews
Meta-analyses)
guidelines,
a
global
scoping
review
peer-reviewed
information
conducted
use
over-the-counter
non-steroidal
anti-inflammatory
drugs
treatment
symptoms
SARS-CoV-2
infections
their
positive
negative
human
body,
(NSAIDs)
aquatic
organisms,
adverse
non-target
organisms.
The
literature
from
1998
2021
was
analysed
using
Scopus®,
Web
Science™
(WoS)
Google
Scholar
databases.
As
place
heavy
burden
environment,
all
reports
presence
these
environment
during
pandemic
period
have
thoroughly
analysed.
Of
70
records
within
scope,
only
14%
(n
=
10)
focussed
analysis
concentrations
wastewater
surface
waters
period.
percentage
works
indicates
that
it
still
an
open
topic,
issue
should
be
supplemented
with
further
which
results
obtained
pandemic,
going
several
years,
will
published.
authors
hope
inspire
scientists
investigate
problem
protect
them
next
generation.
Environmental Chemistry and Ecotoxicology,
Год журнала:
2023,
Номер
5, С. 62 - 78
Опубликована: Янв. 1, 2023
In
response
to
the
novel
coronavirus
referred
as
severe
acute
respiratory
syndrome
2
(SARS-CoV-2)
–
a
virus
that
causes
COVID-19
disease
has
led
wide
use
of
sanitizers
and
disinfectants.
This,
in
turn,
triggered
concerns
on
their
potential
deleterious
effects
human
health
environment
due
numerous
chemicals
incorporated
both
product
categories.
Here,
current
state
science
regarding
occurrence
ecological
different
classes
these
products
(e.g.,
ultraviolent
filters,
fragrances,
etc.)
are
summarized
natural
rivers)
engineered
wastewater
treatment
plants)
systems.
Data
collected
literature
suggests
disinfectants
present
environment,
large
portion
toxic
fish,
algae,
daphnia.
Using
risk
quotient
approach
based
data,
we
found
eight
posed
highest
aquatic
organisms
freshwater
systems
were
benzalkonium
chloride,
4-chloro-m-cresol,
sodium
ortho
phenyl
phenate,
hydrogen
peroxide,
1,
2-propanediol,
4-Methyl-benzilidine-camphor,
ethylhexyl
methoxy
cinnamate,
octocrylene.
Considering
limited
information
for
most
chemicals,
further
studies
environmental
monitoring
consequences
long-term
exposure
ecosystems
recommended.
The Science of The Total Environment,
Год журнала:
2023,
Номер
873, С. 162281 - 162281
Опубликована: Фев. 22, 2023
Micropollutants
monitoring
in
wastewater
can
serve
as
a
picture
of
what
is
consuming
society
and
how
it
impact
the
aquatic
environment.
In
this
work,
suspect
screening
approach
was
used
to
detect
known
unknown
contaminants
samples
collected
from
two
treatment
plants
(WWTPs)
located
Basque
Country
(Crispijana
Alava,
Galindo
Vizcaya)
during
weekly
sampling
campaigns,
which
included
months
April
July
2020,
part
confinement
period
caused
by
COVID-19.
To
that
aim,
high-resolution
mass
spectrometry
collect
full-scan
data-dependent
tandem
spectra
water
using
database
containing
>40,000
chemical
substances.
The
presence
>
80
confirmed
(level
1)
quantified
both
WWTP
samples,
while
at
least
47
compounds
were
tentatively
identified
(2a).
Among
concern,
an
increase
occurrence
some
for
COVID-19
disease
treatment,
such
lopinavir
hydroxychloroquine,
observed
lockdown.
A
prioritization
strategy
environmental
risk
assessment
carried
out
considering
only
effluents
Crispijana
WWTPs.
scored
based
on
removal
efficiency,
estimated
persistency,
bioconcentration
factor,
mobility,
toxicity
potential
frequency
detection
samples.
With
approach,
33
(e.g.
amantadine,
clozapine
or
lopinavir)
found
be
considered
key
analyzed
their
concentration,
toxicity.
Additionally,
antimicrobial
(RQ-AR)
antiviral
(EDRP)
certain
evaluated,
where
ciprofloxacin
fluconazole
represented
medium
antibiotic
resistance
(1
RQ-AR
0.1)
ecosystems.
Regarding
mixture
toxicity,
computed
sum
toxic
unit
values
different
(>
suggest
interactions
between
need
future
assessments.
The Science of The Total Environment,
Год журнала:
2024,
Номер
946, С. 174062 - 174062
Опубликована: Июнь 24, 2024
The
concern
on
the
fate
and
distribution
of
contaminants
emerging
(CECs)
is
a
burning
topic
due
to
their
persistence
potential
harmful
effects.
Particularly,
antibiotics
have
received
great
attention
implications
in
antimicrobial
resistance
occurrence.
impact
wastewater
treatment
plants
(WWTP)
remarkable,
being
one
main
pathways
for
introduction
CECs
into
aquatic
systems.
combination
novel
analytical
methodologies
risk
assessment
strategies
promising
tool
find
out
environmentally
relevant
compounds
posing
major
concerns
freshwater
ecosystems
impacted
by
those
effluents.
Within
this
context,
multi-target
approach
was
applied
three
Spanish
river
basins
affected
different
WWTP
treated
effluents
spatio-temporal
monitoring
chemical
status.
Solid
phase
extraction
followed
ultra-high-performance
liquid
chromatography
were
used
quantification
large
panel
(n
=
270),
including
pharmaceuticals
other
consumer
products,
pesticides
industrial
chemicals.
To
end,
water
samples
collected
four
sampling
campaigns
at
locations
each
basin:
(i)
upstream
from
WWTPs;
(ii)
effluent
discharge
points
(effluent
outfall);
(iii)
downstream
WWTPs
(500
m
downriver
outfall).
Likewise,
24-h
composite
provided
all
periods.
First
occurrence
these
assessed.
Diverse
seasonal
trends
observed
depending
group
compounds,
though
COVID-19
outbreak
variations
certain
pharmaceuticals.
Detection
frequencies
concentrations
generally
exceeded
measured
low
or
non-quantifiable.
Finally,
risks
associated
with
maximum
contamination
levels
evaluated
using
two
approaches
account
antibiotic
selection
as
well.
From
studied
89
evidenced
environmental
least
occasion
study.