Scientific Reports,
Journal Year:
2020,
Volume and Issue:
10(1)
Published: Oct. 6, 2020
Abstract
The
current
study
was
carried
out
on
dominant
fish
Oreochromis
niloticus
and
water
collected
from
the
polluted
Yamuna
River,
Agra,
India.
heavy
metals
in
water,
recorded
as
follows:
Fe
>
Mn
Zn
Cu
Ni
Cr
Cd
all
were
found
to
be
above
prescribed
limits.
According
metal
pollution
index,
exposed
muscle
(49.86),
kidney
(47.68)
liver
(45.26)
have
been
higher
bioaccumulation.
blood
biochemical
analysis
of
O.
indicated
significant
increase
activities
aspartate
aminotransferase
(+
343.5%),
alkaline
phosphatase
673.6%),
alanine
309.1%),
creatinine
494.3%)
over
reference.
However,
a
decrease
albumin
(A):
globulins
(G)
ratio
(−
87.86%)
observed.
Similarly,
also
showed
total
leucocyte
count
121%),
differential
count,
respiratory
burst
1175%),
nitric
oxide
synthase
420%).
histological
examination
tissue
injury.
Moreover,
micronuclei
(0.95%),
shaped
nuclei
(1.2%),
lobed
(0.6%)
along
with
DNA
damage
form
mean
tail
length
(20.7
µm)
(16.5
observed
.
Potential
health
risk
assessments
based
estimated
daily
intake,
target
hazard
quotient,
cancer
risks
associated
consumption
these
contaminated
fishes.
In
conclusion,
present
that
exposure
can
alter
immunological
response;
induce
histopathological
alterations
studied
fish.
this
or
could
serious
impact
human
health.
International Journal of Environmental Research and Public Health,
Journal Year:
2020,
Volume and Issue:
17(7), P. 2179 - 2179
Published: March 25, 2020
Lead
(Pb)
toxicity
has
been
a
subject
of
interest
for
environmental
scientists
due
to
its
toxic
effect
on
plants,
animals,
and
humans.
An
increase
in
several
Pb
related
industrial
activities
use
containing
products
such
as
agrochemicals,
oil
paint,
mining,
etc.
can
lead
contamination
the
environment
thereby,
enter
food
chain.
Being
one
most
heavy
metals,
ingestion
via
chain
proven
be
potential
health
hazard
plants
The
current
review
aims
summarize
research
updates
effects
soil,
human
health.
Relevant
literature
from
past
20
years
encompassing
comprehensive
details
considered
with
key
issues
i)
bioavailability
ii)
biomagnification,
iii)
Pb-
remediation,
which
addressed
detail
through
physical,
chemical,
biological
lenses.
In
review,
among
different
Pb-remediation
approaches,
we
have
highlighted
certain
advanced
approaches
microbial
assisted
phytoremediation
could
possibly
minimize
load
resources
sustainable
manner
would
viable
option
ensure
safe
production
system.
Journal of King Saud University - Science,
Journal Year:
2021,
Volume and Issue:
34(1), P. 101653 - 101653
Published: Oct. 22, 2021
Seafood
safety
is
a
critical
requirement
for
sustained
global
quantitative
and
qualitative
development.
In
recent
years,
unintended
poisons
have
damaged
human
health
food
quality.
Heavy
metals
(HMs)
distribution,
speciation,
bioaccumulation,
toxicity
evaluation
in
aquatic
settings
are
at
their
peak.
Safe
ecosystems
significant
influence
the
possible
composition
of
safe
aquaculture
products,
which
serve
as
foundation
every
web.
HMs
eventually
impose
number
stresses
on
living
organisms,
contributing
to
increased
mortality.
Therefore,
this
study
reflects
explains
exposure
heavy
well
resulting
risks
humans.
A
more
in-depth
review
translocation
processes
metal
toxins
into
seafood
provided.
Finally,
achieving
stability
environments,
management
techniques,
genetic
engineering,
remediation
recommended.
Heliyon,
Journal Year:
2021,
Volume and Issue:
7(2), P. e06107 - e06107
Published: Feb. 1, 2021
River
water
is
very
much
important
for
domestic,
agriculture
and
industrial
use
in
Bangladesh
which
critical
condition
from
long
time
based
on
research
data.
During
last
40
years,
extreme
pollution
events
occurred
peripheral
rivers
surrounding
Dhaka
city
Karnaphuli
Chittagong
city.
Present
data
showed
that
other
urban
are
also
especially
Korotoa,
Teesta,
Rupsha,
Pashur
Padma.
The
pollutants
flowing
with
made
a
severe
downstream
areas
of
rivers.
Metals
concentrations
river
was
found
to
be
higher
dry
season.
Dissolve
oxygen
(DO)
nearly
zero
Buriganga
several
points
Turag,
Balu,
Sitalakhya
River.
NO3-,
NO2-
PO43-
different
Zn,
Cu,
Fe,
Pb,
Cd,
Ni,
Mn,
As
Cr
concentration
above
drinking
standard
most
the
some
metals
even
irrigation
Sediment
metal
Karnaphuli,
Rupsha
Meghna
Metal
sediment
US
EPA
threshold
value
fish
agricultural
crops
bioaccumulations
had
occurred.
trend
like:
water
Toxics,
Journal Year:
2021,
Volume and Issue:
9(12), P. 360 - 360
Published: Dec. 20, 2021
Aquatic
ecosystems
are
contaminated
with
heavy
metals
by
natural
and
anthropogenic
sources.
Whilst
some
necessary
for
plants
as
micronutrients,
others
can
be
toxic
to
humans
even
in
trace
concentrations.
Among
metals,
cadmium
(Cd),
arsenic
(As),
chromium
(Cr),
lead
(Pb),
mercury
(Hg)
cause
significant
damage
aquatic
invariably
affect
human
health.
Rice,
a
staple
diet
of
many
nations,
other
used
vegetables
countries,
bioaccumulate
when
they
grow
environments.
These
enter
the
body
through
food
chains,
presence
numerous
health
consequences.
Heavy
plant
physicochemical
functions,
growth,
crop
yield.
Various
mitigation
strategies
being
continuously
explored
avoid
entering
ecosystems.
Understanding
levels
rice
grown
environments
is
important.
Further,
it
imperative
adopt
sustainable
management
approaches
mechanisms.
Although
narrowly
focused
reviews
exist,
this
article
provides
novel
information
improving
our
understanding
about
metal
accumulation
plants,
addressing
gaps
literature.
Environmental Technology & Innovation,
Journal Year:
2021,
Volume and Issue:
24, P. 102032 - 102032
Published: Oct. 20, 2021
Surface
water
is
extremely
susceptible
to
pollution
stemming
from
human
activities,
such
as
the
expansion
of
urban
and
suburban
areas,
industries,
cities,
agriculture.
In
fact,
sources
surface
have
become
most
common
discharge
sites
for
wastewater,
which
may
contain
microorganisms,
pharmaceutical
waste,
heavy
metals,
harmful
pollutants.
As
a
reference
standard
clean
water,
quality
standards
index
Malaysia
were
used.
comparison
with
conventional
wastewater
treatment
methods,
new
nanomaterial-based
methods
filtration
purification
are
drawing
attention
more
efficient
detection
treatment.
This
prompts
use
nanotechnology
applications
control
quality,
main
source
consumption
humans,
animals,
plants.
paper
reviewed
application
ensure
sustainability
green
environment.
also
highlighted
nanotechnology,
namely,
nanofiltration
membranes,
photocatalysis,
plasma
discharge,
nano-adsorbents,
in
treatment,
well
nano-sensors
monitoring
quality.
The
integration
nano-adsorbents
technology
increase
efficiency
because
demonstrated
remarkable
performance
removal
contaminants
wastewater.
hurdles,
challenges,
outlook
addressed
this
review.
insights
presented
provide
opportunities
directions
expand
studies
pertaining
future
Toxics,
Journal Year:
2023,
Volume and Issue:
11(6), P. 510 - 510
Published: June 6, 2023
Heavy
metals,
the
most
potent
contaminants
of
environment,
are
discharged
into
aquatic
ecosystems
through
effluents
several
industries,
resulting
in
serious
pollution.
This
type
severe
heavy
metal
contamination
aquaculture
systems
has
attracted
great
attention
throughout
world.
These
toxic
metals
transmitted
food
chain
their
bioaccumulation
different
tissues
species
and
have
aroused
public
health
concerns.
toxicity
negatively
affects
growth,
reproduction,
physiology
fish,
which
is
threatening
sustainable
development
sector.
Recently,
techniques,
such
as
adsorption,
physio-biochemical,
molecular,
phytoremediation
mechanisms
been
successfully
applied
to
reduce
toxicants
environment.
Microorganisms,
especially
bacterial
species,
play
a
key
role
this
bioremediation
process.
In
context,
present
review
summarizes
fishes,
effects,
possible
techniques
protect
fishes
from
contamination.
Additionally,
paper
discusses
existing
strategies
bioremediate
scope
genetic
molecular
approaches
for
effective
metals.
