Heliyon,
Год журнала:
2024,
Номер
10(4), С. e26023 - e26023
Опубликована: Фев. 1, 2024
The
augmented
prevalence
of
Se
(Se)
pollution
can
be
attributed
to
various
human
activities,
such
as
mining,
coal
combustion,
oil
extraction
and
refining,
agricultural
irrigation.
Although
is
vital
for
animals,
humans,
microorganisms,
excessive
concentrations
this
element
give
rise
potential
hazards.
Consequently,
numerous
approaches
have
been
devised
mitigate
pollution,
encompassing
physicochemical
techniques
bioremediation.
recognition
volatilization
a
strategy
mitigating
in
contaminated
environments
underscored
review.
This
study
delves
into
the
mechanisms
organisms,
including
plants,
microalgae,
microorganisms.
By
assessing
efficacy
removal
identifying
rate-limiting
steps
associated
with
volatilization,
paper
provides
insightful
recommendations
mitigation.
Constructed
wetlands
are
cost-effective
environmentally
friendly
alternative
treatment
volatilization.
fate,
behavior,
bioavailability,
toxicity
within
complex
environmental
systems
comprehensively
reviewed.
knowledge
forms
basis
developing
management
plans
that
aimed
at
contamination
protecting
ecosystems.
Chemistry and Ecology,
Год журнала:
2024,
Номер
40(3), С. 322 - 349
Опубликована: Янв. 22, 2024
Heavy
metals,
pervasive
in
the
environment
due
to
natural
processes
and
human
activities,
pose
substantial
threats
ecosystems
health.
This
study
aims
delve
into
sources,
contamination
pathways
waters,
subsequent
bioaccumulation
of
heavy
metals
across
various
organisms.
The
overview
encompasses
an
exploration
environmental
persistence,
dynamics,
ecotoxicological
impacts
these
metals.
Methodologically,
this
research
undertakes
a
comprehensive
review
synthesizing
existing
literature
studies
on
metal
contamination,
mechanisms,
ecotoxicity.
Key
findings
highlight
protracted
persistence
perpetuating
significant
ecological
balance
well-being.
Notably,
transfer
through
food
chains
culminates
their
diverse
organisms,
raising
concerns
about
potential
toxicity,
including
exposure.
discussion
underscores
imperative
nature
assessing
pollution
its
ramifications
Emphasizing
essential
role
bioindicators
biomarkers,
article
elucidates
significance
evaluating
metal-induced
stressors
impact
both
biota
populations.
contributes
nuanced
understanding
advocating
for
proactive
measures
monitoring
mitigating
deleterious
effects
Agriculture,
Год журнала:
2023,
Номер
13(10), С. 1983 - 1983
Опубликована: Окт. 12, 2023
The
impact
of
heavy
metal
presence
in
soil
on
cereal
crops
is
a
growing
concern,
posing
significant
challenges
to
global
food
security
and
environmental
sustainability.
Cereal
crops,
vital
sources
nutrition,
face
the
risk
contamination
with
toxic
metals
released
into
environment
through
human
activities.
This
paper
explores
key
aspects
requiring
thorough
investigation
foster
innovation
understand
intricate
interactions
between
cereals.
Visible
symptoms
physiological
changes
resulting
from
contamination,
such
as
chlorosis
stunted
growth,
demand
further
research
devise
targeted
mitigation
strategies
sustainable
agricultural
practices.
Root
barrier
formation,
mycorrhizal
symbiosis,
metal-binding
proteins
emerge
critical
defence
mechanisms
for
combating
stress,
offering
opportunities
developing
metal-tolerant
varieties.
Research
bioavailability
safety
implications
grains
safeguard
health.
reveals
that
multidisciplinary
collaboration
cutting-edge
technologies
are
essential
promoting
beyond
state
art
elucidating
mitigating
impacts
crops.
Genetic
breeding
approaches
show
promise
varieties,
while
agronomic
practices
amendments
can
reduce
toxicity.
Unravelling
complex
underlying
uptake
tolerance
agriculture
worldwide
Embracing
pollution
proactive
secure
resilient
future
amid
evolving
conditions.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 18, 2024
Elevated
levels
of
metal(loid)s
in
soil
may
pose
potential
threats
to
the
ecosystem
and
can
be
harmful
for
human
health.
The
concentrations
As,
Cd,
Pb,
Cr
Ni
were
determined
agricultural
collected
from
45
pistachio
orchards
around
Feizabad
city,
Khorasan
Razavi
province,
Iran
using
ICP-OES.
Also,
pollution
indices
including
contamination
factor
(CF),
load
index
(PLI)
geo-accumulation
(Igeo)
evaluated.
In
addition,
non-carcinogenic
carcinogenic
risk
estimated.
mean
order
=
466.256
>
120.848
Pb
12.009
As
5.486
Cd
0.394
mg/kg.
Concentrations
samples
within
their
respective
permissible
limits
set
by
World
Health
Organization
(WHO).
But
84.4
100%
samples,
respectively
exceeded
WHO
allowable
limits.
CF,
PLI
Igeo
showed
that
some
was
contaminated
with
metals.
possible
sources
metals
are
application
pesticides,
chemical
fertilizers,
manures
as
well
irrigation
water.
Hazard
quotient
(HQ)
ad
(HI)
values
all
found
below
threshold
limit
(1),
suggesting
there
is
no
immediate
non-cancer
threat
arising
at
children
adults.
highest
cancer
(1.13E-02
1.25E-03
adults)
estimated
soil.
Collectively,
this
study
provides
valuable
information
improve
reduce
minimize
associated
health
risks
population
area.
Environmental Science and Ecotechnology,
Год журнала:
2024,
Номер
21, С. 100427 - 100427
Опубликована: Апрель 25, 2024
Plastic
waste
discarded
into
aquatic
environments
gradually
degrades
smaller
fragments,
known
as
microplastics
(MPs),
which
range
in
size
from
0.05
to
5
mm.
The
ubiquity
of
MPs
poses
a
significant
threat
ecosystems
and,
by
extension,
human
health,
these
particles
are
ingested
various
marine
organisms
including
zooplankton,
crustaceans,
and
fish,
eventually
entering
the
food
chain.
This
contamination
threatens
entire
ecological
balance,
encompassing
safety
health
systems.
Consequently,
developing
effective
MP
removal
technologies
has
emerged
critical
area
research.
Here,
we
summarize
mechanisms
recently
reported
strategies
for
removing
ecosystems.
Strategies
combining
physical
chemical
pretreatments
with
microbial
degradation
have
shown
promise
decomposing
MPs.
Microorganisms
such
bacteria,
fungi,
algae,
specific
enzymes
being
leveraged
remediation
efforts.
Recent
advancements
focused
on
innovative
methods
membrane
bioreactors,
synthetic
biology,
organosilane-based
techniques,
biofilm-mediated
remediation,
nanomaterial-enabled
strategies,
nano-enabled
demonstrating
substantial
potential
enhance
efficiency.
review
aims
stimulate
further
innovation
methods,
promoting
environmental
social
well-being.
