ACS Omega,
Год журнала:
2023,
Номер
8(7), С. 7063 - 7069
Опубликована: Фев. 13, 2023
A
sensitive
and
robust
trap
method
was
developed
for
the
determination
of
cadmium
(Cd)
by
using
a
slotted
quartz
tube.
Using
this
at
sample
suction
rate
7.4
mL/min
4.0
min
collection,
1467-fold
increase
in
sensitivity
obtained
compared
to
flame
atomic
absorption
spectrometry
method.
Under
optimized
conditions,
limit
detection
0.075
ng
mL-1
The
interference
effects
hydride-forming
elements,
transition
metals,
some
anions
on
Cd
signal
were
investigated.
evaluated
analyzing
"Sewage
Sludge-industrial
origin
(BCR
no:
146R)",
"NIST
SRM
1640a
Trace
elements
natural
water",
"DOLT:
5
Dogfish
Liver".
There
good
agreement
between
certified
found
values
95%
confidence
level.
This
applied
successfully
drinking
water
fish
tissue
samples
(liver,
muscle,
gill)
from
Muğla
province.
Toxicology Reports,
Год журнала:
2021,
Номер
8, С. 1445 - 1460
Опубликована: Янв. 1, 2021
Ogun
and
Eleyele
Rivers
are
in
the
Western
part
of
Nigeria
with
a
potential
risk
heavy
metal
pollution
because
many
industrial
wastes
channeling
through
their
courses.
Therefore,
this
study,
concentration
metals
possible
human
health
consuming
Clarias
gariepinus
Sarotherodon
melanotheron
collected
from
industrially
polluted
were
evaluated.
The
arsenic
(As),
cadmium
(Cd),
cobalt
(Co),
chromium
(Cr),
manganese
(Mn),
nickel
(Ni),
lead
(Pb)
tissues
(gill,
muscle,
liver)
fish
was
measured
using
Atomic
Absorption
Spectroscopy
(AAS)
compared
maximum
permissible.
Estimated
Daily
Intake
(EDI),
Targeted
Hazard
Quotient
(THQ),
Carcinogenic
Risk
(CR)
estimated
for
determination
risk.
Probabilistic
predictions
performed
Oracle
Crystal
Ball
software.
Results
study
showed
that
dry
weight
concentrations
gills,
liver,
muscle
two
species
sites
well
below
permissible
limits
set
by
joint
FAO/WHO
Expert
Committee.
Only
EDI
gills
C.
obtained
River
exceeded
limit.
THQ
>1
As
liver
S.
river
suggesting
non-carcinogenic
to
consumers.
carcinogenic
above
10−6
As,
Cd,
Ni
suggested
cancer
consumers
rivers.
Consequent
our
observation,
consumption
site
presents
some
public
concerns.
advises
routine
monitoring
along
these
rivers
implement
regulatory
standards
government
environmental
management
agencies.
Marine Pollution Bulletin,
Год журнала:
2024,
Номер
200, С. 116145 - 116145
Опубликована: Фев. 13, 2024
This
research
report
provides
a
comprehensive
overview
of
the
historical
trends
in
heavy
metal
concentrations
Pontic
shad
(Alosa
immaculata)
populations
from
both
Danube
River
and
Black
Sea,
while
also
exploring
potential
influence
global
warming
on
accumulation.
Through
bibliometric
modeling
analysis,
it
reveals
significant
limitations
existing
international
research,
particularly
lack
data
impact
hydroclimatic
changes
accumulation
Alosa
immaculata.
Recognizing
critical
importance
studies
bioaccumulation
shad,
this
underscores
their
significance
defining
tolerance
thresholds,
quantifying
toxic
elements
along
aquatic
food
chain,
enhancing
economic
sustainability
ichthyofauna
monitoring
efforts.
Furthermore,
these
contribute
invaluable
insights
into
complex
dynamics
ecosystems,
offering
essential
decision-making
support
for
optimizing
commercial
fishing
management
practices
ensuring
robust
systems
industrial
endeavors.
International Journal of Environmental Research and Public Health,
Год журнала:
2022,
Номер
19(4), С. 2307 - 2307
Опубликована: Фев. 17, 2022
The
aim
of
this
study
was
to
estimate
the
fish
quality
in
terms
Cu,
Fe,
Mn
and
Zn
contents.
research
material
muscle
tissue
crucian
carp
(Carassius
carassius
Linnaeus,
1758),
flounder
(Platichthys
flesus
Gilthead
seabream
(Sparus
aurata
mackerel
(Scomber
scombrus
Blue
grenadier
(Macruronus
novaezelandiae
Hector,
1871),
rainbow
trout
(Oncorhynchus
mykiss
Walbaum,
1792),
tench
(Tinca
tinca
tilapia
(Oreochromis
niloticus
Walleye
pollock
(Gadus
chalcogrammus
Pallas,
1814)
perch
(Perca
fluviatilis
1758.).
Heavy
metals
were
determined
with
atomic
absorption
spectrometry
method
(AAS).
Significantly
high
concentrations
zinc
(19.52
mg/kg
wet
weight),
copper
(0.77
mg/kg)
iron
(6.95
found
muscles
(p
<
0.05)
compared
other
studied,
whereas
had
a
higher
content
manganese
(0.266
0.05).
All
studied
species
do
not
pose
threat
humans
from
these
four
metals.
This
indicated
by
indexes
(THQ
HI)
whose
values
below
one.
also
did
exceed
maximum
allowable
established
FAO
(1983),
but
monitoring
both
aquatic
environment
living
there
is
necessary,
for
example,
time-changing
abiotic
biotic
factors
that
can
cause
an
increase
organs
fish.