International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(24), P. 16830 - 16830
Published: Dec. 15, 2022
Invertebrates
have
long
been
an
important
tool
for
assessing
water
pollution
due
to
their
characteristics
as
intermediate
consumers
in
aquatic
ecosystem
food
chains.
Most
of
the
time,
effects
contaminants
are
measured
by
effect
on
oxidative
status
or
mortality,
although
there
already
exists
easier
tool-hemocytes.
Hemocytes
circulating
cells
with
a
very
role
immune
system
invertebrates,
which
can
be
found
within
hemolymph,
analogous
blood
vertebrates.
The
collection
hemolymph
samples
is
easy,
fast,
minimally
invasive,
and
poses
no
danger
life
invertebrates.
purpose
this
review
was
highlight
advantages
using
toxicity
assays
various
substances,
including
heavy
metals,
micro-
nano-plastics,
pesticides,
hydrocarbons,
oil
spills.
A
literature
search
conducted
most
common
often
used
databases,
focus
recent
relevant
studies.
Bivalve
mollusks,
crustaceans,
gastropods
were
chosen
investigation.
This
growing
number
studies
choosing
use
standard
methodology
toxicology
assays,
confirming
qualities
reliable
tools.
Frontiers in Endocrinology,
Journal Year:
2023,
Volume and Issue:
14
Published: March 30, 2023
Fish
body
growth
is
a
trait
of
major
importance
for
individual
survival
and
reproduction.
It
has
implications
in
population,
ecology,
evolution.
Somatic
controlled
by
the
GH/IGF
endocrine
axis
influenced
nutrition,
feeding,
reproductive-regulating
hormones
as
well
abiotic
factors
such
temperature,
oxygen
levels,
salinity.
Global
climate
change
anthropogenic
pollutants
will
modify
environmental
conditions
affecting
directly
or
indirectly
fish
performance.
In
present
review,
we
offer
an
overview
somatic
its
interplay
with
feeding
regulatory
summarize
effects
global
warming
main
on
these
axes.
The Science of The Total Environment,
Journal Year:
2021,
Volume and Issue:
787, P. 147147 - 147147
Published: April 17, 2021
Pesticides
pose
a
threat
to
the
environment,
but
because
of
substantial
number
compounds,
comprehensive
assessment
pesticides
and
an
evaluation
risk
that
they
human
aquatic
life
is
challenging.
In
this
study,
improved
analytical
methods
were
used
quantify
221
pesticide
concentrations
in
surface
waters
over
time
period
from
2013
2017.
Samples
collected
74
river
sites
conterminous
US
(CONUS).
Potential
toxicity
was
assessed
by
comparing
water
standard
are
considered
have
adverse
effects
on
health
or
organisms.
The
majority
use
related
agriculture,
agricultural
production
varies
across
CONUS.
Therefore,
our
results
summarized
region
(Northeast,
South,
Midwest,
West
Pacific),
with
expectation
crop
differences
would
drive
variability
use,
detection
frequency,
benchmark
exceedance
patterns.
Although
at
least
2.5
times
higher
Midwest
(49
kg
km-2)
than
any
other
four
regions
West,
Pacific,
3
21
average
detected
1.5
(n
=
25)
8
n
16),
potential
more
evenly
distributed.
At
50%
within
each
5
had
1
chronic
exceedance.
Imidacloprid
posed
greatest
total
245
exceedances
60
sites.
These
show
persist
environment
beyond
site
application
expected
use.
Continued
monitoring
research
needed
improve
understanding
life.
Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(2), P. 845 - 861
Published: Jan. 3, 2022
River
waters
contain
complex
chemical
mixtures
derived
from
natural
and
anthropogenic
sources.
Aquatic
organisms
are
exposed
to
the
entire
composition
of
water,
resulting
in
potential
effects
at
organismal
through
ecosystem
level.
This
study
applied
a
holistic
approach
assess
landscape,
hydrological,
chemical,
biological
variables.
On-site
mobile
laboratory
experiments
were
conducted
evaluate
exposure
Shenandoah
Watershed.
A
suite
534
inorganic
organic
constituents
analyzed,
which
273
detected.
watershed-scale
accumulated
wastewater
model
was
developed
predict
environmental
concentrations
chemicals
treatment
plants
(WWTPs)
aquatic
organism
for
all
stream
reaches
watershed.
Measured
modeled
generally
within
factor
2.
Ecotoxicological
individual
components
mixture
evaluated
using
risk
quotients
(RQs)
based
on
measured
or
predicted
no
effect
chronic
toxicity
threshold
values.
Seventy-two
percent
compounds
had
RQ
values
<0.1,
indicating
limited
chemicals.
However,
when
RQs
aggregated
into
index,
most
receiving
WWTP
effluent
posed
mixtures.
ACS ES&T Water,
Journal Year:
2023,
Volume and Issue:
3(8), P. 2407 - 2414
Published: May 24, 2023
Analytical
limitations
make
it
challenging
to
develop
effective
methodologies
for
understanding
glyphosate-based
herbicide
levels
in
drinking
water
and
groundwater.
Due
their
lack
of
chromophores
zwitterionic
nature,
herbicides
are
difficult
detect
using
traditional
methods.
This
paper
offers
a
straightforward
method
quantifying
glyphosate,
glufosinate,
aminomethylphosphonic
acid
(AMPA)
via
9-fluorenylmethylchloroformate
(FMOC-Cl)
pre-column
derivatization
analysis
by
liquid
chromatography
with
tandem
mass
spectrometry
(LC-MS/MS).
Method
development
was
focused
on
optimizing
the
critical
variables
optimal
24-factorial
design.
We
found
that
complete
significantly
depends
inclusion
borate
buffer
create
alkaline
conditions
necessary
aminolysis.
Ethylenediaminetetraacetic
(EDTA)
addition
minimize
metallic
chelation
ensure
reproducible
retention
times
peaks.
However,
EDTA
concentrations
≥5%
decreased
peak
intensity
due
ion
suppression.
The
FMOC-Cl
concentration
time
exhibited
direct
proportional
relationship,
reaction
achieved
2.5
mM
after
4
h.
Concentrations
greater
than
led
formation
oxides,
which
interfere
detection
sensitivity
selectivity.
Desirable
results
were
1%
EDTA,
5%
borate,
FMOC-Cl,
