ACS ES&T Water,
Год журнала:
2023,
Номер
3(2), С. 420 - 428
Опубликована: Янв. 12, 2023
We
report
the
synthesis,
performance,
and
stability
of
photosensitizer-doped
membranes
their
ability
to
generate
singlet
oxygen
degrade
a
model
pharmaceutical.
Specifically,
we
doped
Clear
Flex
50,
polyurethane
rubber,
with
either
terthiophene
(3T)
or
one
two
1,8-naphthalimide-based
(Nap-cbx
its
gadolinium
complex
[Gd(Nap-cbx)3(NO3)3)]
photosensitizers
photodegraded
propranolol.
After
irradiating
for
24
h
visible
light
in
presence
3T-doped
membrane,
decreased
emission
intensity
propranolol
was
consistent
42%
degradation,
while
irradiation
UV
membrane
Nap-cbx
[Gd(Nap-cbx)3](NO3)3
led
36
41%
respectively.
Additionally,
three
successfully
degraded
several
organic
pollutants
present
standard
MegaMix.
Our
findings
show
that
oxygen-generating
experience
minimal
loss
performance
after
24-hour
cycles.
The Science of The Total Environment,
Год журнала:
2022,
Номер
859, С. 160254 - 160254
Опубликована: Ноя. 17, 2022
The
study
evaluated
the
presence
and
fate
of
various
contaminants
emerging
concern
(CECs)
from
a
South
African
wastewater
treatment
works
(WWTW)
surface
waters
located
around
an
urban
setting.
A
total
45
CECs
were
quantified
nine
sampling
locations
over
11-month
period.
Daily
loads
(g/day)
target
analytes
in
WWTW
showed
persistence
some
CECs,
along
with
population-normalised
daily
(mg/day/1000inh)
pharmaceuticals
drugs
abuse
(DOA)
that
estimated
for
first
time
area.
Multiple
chemical
markers
recorded
river
water
upstream
discharge
throughout
period,
suggesting
high
degree
diffuse
pollution
communities
area
are
not
connected
to
sewage
networks
or
where
sanitation
services
limited.
potential
using
defined
perform
community-wide
substance
use
profiling
non-sewered
was
also
explored.
Environmental
risk
characterisation
effluent
period
provided
multiple
quotients
(RQ)
list
spanning
sentinel
trophic
levels.
High
profiles
(RQ
>
1.0)
frequency
exceedance
(FoE)
larger
than
75
%
several
both
suggest
long-term
ecological
health
impacts
hotspot
areas
catchment
situated
We
present
challenges
quality
within
is
relatable,
may
even
more
challenging,
other
low-
middle-income
country
(LMICs)
settings.
highlighted
limitations
associated
much-needed
application
wastewater-based
epidemiology
(WBE)
intervention
can
inform
on
public
communal
entire
Environmental Science and Pollution Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
The
concentrations
of
135
pharmaceuticals
and
personal
care
products
(PPCPs)
were
determined
in
raw
influent,
final
effluent,
treated
biosolids
at
Canadian
wastewater
treatment
plants
(WWTPs)
to
evaluate
the
fate
PPCPs
through
liquid
solids
trains
typical
types
used
Canada
assess
changes
PPCP
matrices
between
2010-2013
2022.
dominant
influent
effluent
included
antidiabetic
metformin,
analgesics/anti-inflammatories
(acetaminophen,
ibuprofen,
2-hydroxy-ibuprofen),
caffeine
its
metabolite
(1,7
-
dimethylxanthine),
theophylline
(a
bronchodilator
caffeine),
an
insect
repellent
(N,N-diethyl-m-toluamide,
DEET),
iopamidol
contrast
media
for
X-rays).
differed
from
those
influent/effluent
antibiotics
(fluoroquinolones
doxycycline),
antidepressants
(sertraline,
citalopram,
amitriptyline),
a
preservative
antimicrobial
agent
(triclosan),
antihistamine
(diphenhydramine),
antifungal
(clotrimazole).
These
elevated
reflected
their
use
communities.
had
relatively
low
hydrophobicity
whereas
tended
be
more
hydrophobic,
or
electrostatic
forces
governed
sorption.
Higher
removal
was
generally
observed
WWTPs
that
biological
compared
primary
physical/chemical
treatment.
concentration
2022
influenced
by
risk
management
measures,
warnings,
development
new
pharmaceuticals,
COVID-19
pandemic,
other
factors.
time
trends
limited
information
available
on
Canada.
Continued
periodic
monitoring
is
recommended
fill
data
gaps
community
release
environment.
Journal of the Brazilian Chemical Society,
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 6, 2023
This
review
presents
data
regarding
the
occurrence
of
antibiotics
in
several
aqueous
matrices
Brazil
reported
last
twelve
years
(from
2010
to
2022).
Despite
limited
research
on
topic,
has
highest
number
published
surface
water
(SW)
among
Latin
American
countries.
However,
these
studies
primarily
focused
southern
and
southeastern
regions,
providing
an
incomplete
picture
antibiotic
aquatic
environment
country.
Data
from
24
papers
show
detection
23
5
matrices,
including
drinking
water,
ranging
0.13
ng
L-1
37.30
μg
L−1.
Occurrence
SW
was
most
reported,
sulfamethoxazole
prevalent
concentrated
this
matrix
(7112.4
L-1).
Besides
fact
that
are
only
partially
removed
sewage
treatment
plants,
Brazil,
55.8%
generated
is
collected,
80.8%
collected
treated,
which
aggravates
release
environment.
poses
a
significant
concern
due
potential
harm
non-target
organisms
antibioticresistant
bacteria
proliferation,
worsening
global
antimicrobial
resistance.
Given
scenario,
regular
monitoring
assess
presence
resistant
crucial,
enabling
timely
interventions
appropriate
mitigation
measures.
Environmental Management,
Год журнала:
2024,
Номер
74(2), С. 380 - 398
Опубликована: Май 30, 2024
Abstract
Water
pollution
policies
have
been
enacted
across
the
globe
to
minimize
environmental
risks
posed
by
micropollutants
(MPs).
For
regulative
institutions
be
able
ensure
realization
of
objectives,
they
need
information
on
fate
MPs.
Furthermore,
there
is
an
urgent
further
improve
decision-making,
which
heavily
relies
scientific
data.
Use
mathematical
and
computational
modeling
in
permit
processes
for
water
construction
activities
has
increased.
Uncertainty
input
data
considers
several
steps
from
sampling
analysis
physico-chemical
characteristics
MP.
Machine
learning
(ML)
methods
are
emerging
technique
this
field.
ML
techniques
might
become
more
crucial
MP
as
amount
constantly
increasing
new
approaches
applications
developed.
It
seems
that
both
strategies,
traditional
ML,
use
quite
similar
obtain
uncertainties.
Process
based
models
cannot
consider
all
known
relevant
processes,
making
comprehensive
estimation
uncertainty
challenging.
Problems
a
within
approach
even
greater.
generic
common
method
useful
practice
than
those
ab
initio.
The
implementation
results,
including
precautionary
principle,
should
researched
deeply
achieve
reliable
effect
action
chemical
ecological
status
environment
without
underestimating
or
overestimating
risk.
prevailing
uncertainties
identified
acknowledged
if
possible,
reduced.
This
paper
provides
overview
different
aspects
concern
topic
modeling.
Journal of Water and Health,
Год журнала:
2023,
Номер
22(1), С. 169 - 182
Опубликована: Дек. 16, 2023
Abstract
An
underemphasized
aspect
of
sampling
strategies
in
effect-based
vitro
testing
is
to
determine
suitable
collection
and
preparation
techniques.
In
the
current
study,
impact
sample
acidification
on
bioactivities
was
assessed
using
bioassays
for
hormone
receptor-mediated
effects
(estrogen
receptor
[ER]
androgen
[AR])
oxidative
stress
response
(Nrf2
activity).
Sampling
conducted
at
a
recently
upgraded
Swedish
wastewater
treatment
plant.
Future
plans
treated
include
reuse
irrigation
or
as
potential
drinking
water
source.
AR
Nrf2
assays,
decreased
influent
extracts,
whereas
increased
following
further
(disc
filtration).
ER
assay,
had
no
observed
extracts.
A
secondary
objective
study
assess
stability
extracts
over
time.
Lower
activities
were
detected
assays
all
after
storage
approximately
1
year.
did
not
decrease
time,
but
rather
some
acidified
Overall,
findings
suggest
that
involving
may
need
be
tailored
depending
selected
bioassay(s)
type
treatments
being
assessed.
