Assessment of trace elements (Cu, Fe, and Zn) in Limnothrissa miodon from Lake Kariba, Zambia: implications for ecological and human health
Journal of Applied Animal Research,
Год журнала:
2024,
Номер
52(1)
Опубликована: Фев. 6, 2024
This
study
examined
Copper
(Cu),
Iron
(Fe),
and
Zinc
(Zn)
levels
in
Limnothrissa
miodon
fish
from
Lake
Kariba
Zambia
their
potential
impact
on
human
health.
Two-gram
samples
each
stratum
underwent
a
12-hour
digestion,
concentrations
were
determined
using
Microwave
Plasma
Atomic
Emission
Spectrometer.
Results
indicated
that
Cu,
Fe,
Zn
fell
within
Food
Agricultural
Organization
World
Health
safety
limits.
Estimated
Daily
Intake
(EDI)
Hazard
Quotient
(THQ)
values
for
males
females
remained
under
recommended
thresholds,
suggesting
minimal
health
risks
consumption.
Element
followed
the
order
Fe
>
all
below
Recommended
Allowances
(RDAs).
THQ
values,
with
posing
highest
risk
by
one.
Overall,
Index
(HI)
was
0.02,
signifying
low
non-carcinogenic
Despite
safety,
ongoing
monitoring
of
heavy
metal
accumulation
ecosystem
is
advisable
long-term
safety.
In
conclusion,
trace
element
are
safe
consumption
associated
risks.
Nonetheless,
continued
vital.
Язык: Английский
Occupational, environmental, and toxicological health risks of mining metals for lithium-ion batteries: a narrative review of the Pubmed database
Journal of Occupational Medicine and Toxicology,
Год журнала:
2024,
Номер
19(1)
Опубликована: Авг. 27, 2024
The
global
market
for
lithium-ion
batteries
(LIBs)
is
growing
exponentially,
resulting
in
an
increase
mining
activities
the
metals
needed
manufacturing
LIBs.
Cobalt,
lithium,
manganese,
and
nickel
are
four
of
most
used
construction
LIBs,
each
has
known
toxicological
risks
associated
with
exposure.
Mining
these
poses
potential
human
health
via
occupational
environmental
exposures;
however,
there
a
paucity
data
surrounding
increasing
activity.
objective
this
review
was
to
characterize
risks.
We
conducted
literature
systematic
search
PubMed
database
on
effects
cobalt,
nickel.
included
articles
that
(1)
reported
original
research,
(2)
outcomes
directly
related
health,
(3)
assessed
exposure
or
nickel,
(4)
had
available
English
translation.
excluded
all
other
articles.
Our
identified
183
relevant
Toxicological
hazards
were
110
studies.
Exposure
cobalt
respiratory
toxicity,
while
manganese
neurologic
toxicity.
Notably,
no
lithium
toxicity
Traumatic
six
Three
infectious
disease
hazards,
studies
mental
health.
Several
increased
children
compared
adults.
results
suggest
LIBs
presents
significant
result
both
acute
chronic
toxicities.
Further
research
better
risks,
particularly
regarding
mining.
Язык: Английский
Is the concentration of heavy metals in sun-dried Engraulicypris sardella (Günther, 1868) in Malawi, a human health risk?
Environmental Chemistry and Ecotoxicology,
Год журнала:
2024,
Номер
6, С. 354 - 362
Опубликована: Янв. 1, 2024
The
effects
of
trophic
cascades
have
made
small-size
pelagic
fish
species,
such
as
Engraulicypris
sardella,
from
Lake
Malawi
an
important
ecological
and
food
system.
However,
human-induced
activities
can
potentially
pollute
exposing
E.
sardella
to
heavy
metals
contamination.
This
could
pose
a
system
health
risk
the
population
Malawians
neighboring
countries,
which
heavily
rely
on
source
animal
protein.
Therefore,
this
study
investigated
concentration
levels
Lead
(Pb),
Cadmium
(Cd),
Zinc
(Zn),
Copper
(Cu),
Manganese
(Mn),
Iron
(Fe)
in
sun-dried
conducted
assessment
associated
with
its
consumption.
samples
were
collected
Karonga,
Nkhata
Bay,
Nkhotakota,
Salima,
Mangochi
districts
between
December
2023
February
2024.
results
revealed
significant
variations
Cd,
Zn,
Cu,
Mn,
Fe
concentrations
among
sampled
sites
while
Pb
contamination
was
not
detected.
within
acceptable
consumption
limits
set
by
Food
Agriculture
Organization
(FAO)
World
Health
(WHO)
2012.
fish's
average
Cd
(0.17
mg
kg−1
ww)
slightly
above
recommended
threshold
0.1
ww
FAO/WHO
(2012)
but
remained
below
limit
0.5
FAO
1983.
Furthermore,
none
analyzed
posed
effect
people.
there
is
need
for
regular
monitoring
metal
other
mostly
consumed
species
Malawi,
both
fresh
processed,
sustained
guarantee
safety
consumers.
Язык: Английский
Sugarcane bagasse improved growth performance, digestive enzyme activity, microbial dynamics, and mRNA transcripts of immune-, growth, and antioxidant -related genes of Litopenaeus vannamei in a zero-water exchange system
Aquaculture Reports,
Год журнала:
2023,
Номер
33, С. 101788 - 101788
Опубликована: Окт. 21, 2023
Pacific
white
shrimp
(Litopenaeus
vannamei)
were
grown
in
a
biofloc
rearing
systems
with
(control
treatment)
or
without
sugarcane
bagasse
(SB
treatment),
3
replicate
per
treatment.
SB,
is
an
economic
carbohydrate
source.
Parameters
monitored
water-quality,
growth
indices,
digestive
enzymes
activity,
and
microbial
dynamics.
Messenger
RNA
levels
of
immune-related,
growth-related,
antioxidant
genes
hepatopancreas
muscle
gene's
single
nucleotide
polymorphism
(SNP)
also
considered.
The
outdoor
ponds
(44.5
m3),
each
stocked
600
L.
vannamei
larvae
initial
weight
0.024
g)
to
start
three-month
experiment.
development
was
two
aerated
active
suspension
tanks
which
SB
(about
700
g/day,
adjusted
every
weeks)
added
maintain
the
C/N
at
16.
water
quality
parameters,
enzyme
growth,
survival
(P
≤
0.05)
group
improved
compared
control.
increased
total
heterotrophic
microbiota
mRNA
immune-
related
(lipopolysaccharides/b-glucan-
binding
protein,
β-glucan-binding
lysozyme,
prophenoloxidase,
crustin,
transglutaminase,
hemocyanin)
(superoxide
dismutase
glutathione
peroxidase)
significantly
control
highest
all
growth-
such
as
insulin-
like
factors
(I
II),
hormone,
myosin,
paramyosin.
Eight
SNPs
detected
hemocyanin
gene,
adenine
insertion
(ins
A-554)
recorded
high
body
weight.
Our
findings
implied
that
using
carbon
source
system
artificial
feeding,
could
improve
quality,
enzymes,
dynamics
immune-,
vannamei.
Язык: Английский
Analytical Compatibility between Various Techniques for Determining Dissolved Manganese in Produced Water
Gabriela Knippelberg Bifano Manea,
Vanusa Bueno Freire,
Rainério Escalfoni
и другие.
Analytica—A Journal of Analytical Chemistry and Chemical Analysis,
Год журнала:
2024,
Номер
5(1), С. 139 - 152
Опубликована: Март 15, 2024
Petroleum-produced
water
is
the
primary
effluent
generated
during
oil
extraction
process,
presenting
high
flow
rates,
and
containing
a
series
of
chemical
components
that
are
harmful
to
environment,
such
as
dissolved
manganese.
The
proof
metrological
compatibility
between
laboratories
different
test
methods
or
techniques
an
analytical
challenge
when
complying
with
environmental
laws
regulations,
which
aim
this
study.
first
step
study
was
compare
results
manganese
content
in
real
samples
produced
some
used
methods,
is,
flame
atomic
absorption
spectrophotometry,
inductively
coupled
plasma
optical
emission
spectroscopy,
mass
spectrometry.
Based
on
one-way
analysis
variance,
systematic
errors
were
found.
following
visit
specific
lab,
where
one
could
confirm
relevance
wavelength
parameters,
operating
conditions
for
view
configuration,
effects
saline
matrices.
Finally,
assessment
reference
laboratory
new
laboratory,
implemented
validated
its
methodology
based
these
adjustments,
experiences
lessons
learned
previous
step,
undertaken
by
paired
t-test.
Язык: Английский