Capturing temporal variation in aquatic ecotoxicological risks: Chemical- versus effect-based assessment
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
967, P. 178797 - 178797
Published: Feb. 12, 2025
The
integration
of
effect-based
and
chemical
profiling
has
been
advocated
to
assess
the
potential
ecotoxicological
risks
posed
by
mixtures
present
in
aquatic
ecosystems.
However,
concentrations
contaminants
surface
waters
can
vary
greatly
over
time
space,
making
it
challenging
ensure
risk
assessment.
Although
first
results
are
promising,
not
yet
proven
that
these
combined
approaches
also
capable
capturing
temporal
variation
risks.
study
aimed
test
this
combining
passive
time-integrative
sampling
with
chemical-analytical
techniques
agricultural
waterways.
Silicone
rubber
sheets
polar
organic
integrative
samplers
(POCIS)
were
deployed
four
water
bodies
consecutive
six-week
periods.
Passive
sampler
extracts
analysed
using
a
battery
22
vitro
vivo
bioassays
tandem
extensive
target
analysis
225
compounds.
induced
fluctuating
bioassay
responses
for
all
locations
during
periods,
highlighting
presence
spatial
toxic
pressure.
A
range
compounds,
primarily
fungicides
herbicides,
detected
periods
at
variable
concentrations,
persistent
but
pressure
regions.
toxicity
observed
could
solely
be
attributed
chemicals
6
%
cases
those
explaining
only
1-16.9
effects,
indicating
predominantly
caused
undetected
chemicals.
Risk
assessments
based
on
revealed
frequent
exceedances
trigger
values
It
is
concluded
better
capture
variations
than
traditional
analyses,
advanced
needed
explain
bioanalytical
response
profiles.
Language: Английский
Sample Preparation Approaches for Determination of Quinolones in Aqueous Matrixes: Systematic Review
ACS Measurement Science Au,
Journal Year:
2024,
Volume and Issue:
5(1), P. 19 - 30
Published: Nov. 14, 2024
Quinolones
and
fluoroquinolones
are
among
the
most
used
antibiotics
worldwide.
Antibiotic
resistance
genes
can
be
acquired
by
human
pathogens
from
ambient
microorganisms,
which
lead
to
a
treatment
failure
for
bacterial
infections.
Furthermore,
determining
levels
of
quinolones
in
aqueous
matrixes
is
crucial
safeguarding
both
health
environment.
Using
sample
preparation
techniques
essential
since
these
compounds
commonly
present
at
trace
levels.
Therefore,
we
aimed
investigate
main
analytical
methods
determination
samples
based
on
systematic
literature
review.
We
only
considered
studies
that
presented
more
robust
allowed
accurate
precise
measurement
quinolones/fluoroquinolones
matrixes.
In
total,
18
articles
met
inclusion
criteria
were
our
analysis.
A
total
21
quinolone
antibacterial
agents
investigated
water
13
countries,
showing
potential
risk
around
world.
Ciprofloxacin
(72.2%),
enrofloxacin
(61.1%),
norfloxacin
(50%),
marbofloxacin,
levofloxacin
(33.3%)
frequently
evaluated
compounds.
High-Performance
Liquid
Chromatography
stands
out
as
predominant
instrumental
technique
separation
identification
Additionally,
selected
this
review,
44%
employed
liquid-liquid
extraction
its
miniaturized
versions,
while
56%
opted
solid-phase
variations.
Finally,
it
important
note
final
method
efficiency
relies
entire
process,
selecting
with
appropriate
detection
limits,
going
through
preparation,
achieving
good
recovery
adjustments
parameters
archive
Language: Английский
Integrating Green and White Analytical Principles for Endocrine Disruptor Analysis in Aqueous Matrices: From Routine Methods to Emerging Technologies
Michelle Klein,
No information about this author
Martin D. Klassen,
No information about this author
Torsten Schmidt
No information about this author
et al.
Green Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100186 - 100186
Published: Dec. 1, 2024
Language: Английский
Challenges and Current Trends in Preventing Antimicrobial Resistance in EU Water Law Context
Antibiotics,
Journal Year:
2024,
Volume and Issue:
14(1), P. 18 - 18
Published: Dec. 31, 2024
The
increasing
consumption
of
pharmaceuticals,
including
antibiotics,
and
their
improper
disposal
have
resulted
in
both
pharmaceuticals
metabolites
being
released
into
the
environment,
where
they
pose
a
risk
to
ecosystems
human
health.
One
most
serious
threats
public
health
associated
with
presence
antibiotics
environment
is
antimicrobial
resistance
(AMR).
In
order
combat
AMR,
legal
aspect
water
protection
becomes
critical
area
action.
This
article
analyzes
current
challenges
legislative
developments
European
Union
(EU)
aimed
at
mitigating
pharmaceutical
contamination
aquatic
environments,
particularly
regard
AMR.
It
traces
evolution
EU
policies
from
initial
surface
groundwater
directives
recent
updates
Water
Framework
Directive,
Groundwater
Directive
Environmental
Quality
Standards
focusing
on
integration
contaminants
regulatory
framework.
addition,
these
changes
include
update
Watch
List
system
for
monitoring
emerging
contaminants,
adoption
effects-based
methods
(EBMs)
assessment
status
streamlining
process
respond
more
quickly
environment.
EU’s
strategic
approach
emphasized
as
key
framework
harmonizing
environmental
standards
addressing
problem
AMR
through
sustainable
practices.
study
advocates
proactive,
integrated
policy
that
aligns
actions
scientific
advancements
protect
ecosystem
integrity.
Language: Английский