Heliyon,
Год журнала:
2024,
Номер
10(7), С. e28252 - e28252
Опубликована: Март 22, 2024
Extreme
summers,
high
poverty
rate
and
continuous
electricity
load
shedding
results
in
commercial
manufacturing
sale
of
ice
many
countries.
The
vendors
prepared
using
untreated
piped
water,
tanker
water
ground
water.
These
waters
may
contain
hazardous
pollutants
made
from
them
can
be
a
potential
risk
for
human
health.
So,
it
is
important
to
regularly
monitor
the
quality
all
populous
cities.
A
contemporary
examination
was
carried
out
evaluate
physico-chemical
properties
heavy
metals
sold
districts
Karachi.
This
study
one
first
efforts
assess
relation
metals'
hazards
Geospatial
distribution
major
constituents
among
measured
parameters
were
determined
GIS
(Geographic
Information
Systems)
PCA
(Principal
Component
Analysis)
techniques.
Results
showed
that
only
marginally
adequate
found
total
mean
metal
contents
sequence
Pb
>
Ni
Zn
Fe
Cr
As.
above
upper
allowed
limit
with
reference
WHO
guidelines.
About
57.14%
35.71%
Ice
samples
had
excellent
good
terms
Quality
Index
(IQI),
respectively.
Similarly,
IQI
unsafe
consumption.
In
health
assessment,
overall
CDI
(Chronic
Daily
intake)
HQ
(Hazard
Quotient)
values
order
Pb(10.371)
(3.156)
Zn(2.286)
(2.101)
Cr(1.558)
As(0.519)
Pb(7.408)
As(1.729)
Cr(0.519)
Ni(0.405
(0.008)
Fe(0.003),
suggests
routine
monitoring
evaluation
supplies
available
making
protect
public
Plant Stress,
Год журнала:
2024,
Номер
11, С. 100399 - 100399
Опубликована: Фев. 12, 2024
In
the
ever-evolving
landscape
of
sustainable
agriculture,
cyanobacterium
has
emerged
as
a
viable
option
to
offer
multifaceted
benefits
both
crops
and
environment.
This
comprehensive
review
navigates
contributions
cyanobacteria
in
agriculture
begins
with
an
insightful
exploration
their
fundamental
role
agricultural
systems.
article
explains
mechanisms
through
which
may
foster
plant
growth
demonstrates
ability
boost
crop
yields
optimize
nutrient
utilization.
Their
capacity
alleviate
stresses
plants
drought
salinity
conditions,
unveils
remarkable
feature.
Beyond
fields,
this
bacterium
plays
crucial
protecting
our
environmental
well
help
phytoremediation
by
addressing
soil
pollution
effectively
removing
heavy
metals
organic
contaminants.
context
it
represents
environmentally
friendly
alternative
chemical
fertilizers
can
be
seamlessly
integrated
into
farming.
Looking
forward,
peers
future
its
applications
pragmatically
hurdles
commercialization,
regulatory
compliance,
public
perception.
conclusion,
consolidates
pivotal
underscoring
imperative
ongoing
research
innovation
harnessing
transformative
potential
for
greener
more
productive
practices
future.
Ecotoxicology and Environmental Safety,
Год журнала:
2022,
Номер
241, С. 113775 - 113775
Опубликована: Июнь 15, 2022
The
Qinghai-Tibet
Plateau
is
a
unique
area
with
water
sources
for
approximately
40
%
of
the
population
in
world.
Water
resources
and
quality
are
closely
associated
ecological
security
human
health.
Fifty-one
trace
elements
surface
samples
(n
=
40)
were
measured,
quality,
health
risks
assessed.
Trace
showed
significant
variations
different
bodies
study
area.
Concentrations
minor
relatively
high
saline
salt
lakes
while
those
REEs
varied
from
0.05
to
33.62
μg/L
an
average
value
3.80
μg/L.
Nemerow
pollution
index
(NP)
values
ranged
0.08
3.48,
0.36
rivers,
fresh
reservoir
samples;
heavy
metal
(HPI)
3.70
21.18,
indicating
that
most
within
critical
limit;
evaluation
(HEI)
degree
contamination
(DC)
indicated
free
status.
(WQI)
96
belonged
excellent
status
samples.
More
attention
should
be
given
Cr,
Zn
Hg
according
potential
risk
assessment.
Hazard
quotients
residential
children
30
sites
exceed
1.0
maximal
10.97,
suggesting
non-carcinogenic
U,
Zr
Cr
ingestion
pathway,
U
dermal
pathway
primary
contributors
total
risk.
Carcinogenic
recreational
receptors
range
3.20
×
10-5-7.38
10-3
8.62
10-6-3.63
10-3,
respectively.
carcinogenic
higher
than
target
1
10-4,
As
below
results
this
provided
information
on
protection
management
northeastern
Plateau.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(28), С. 10415 - 10425
Опубликована: Июль 1, 2023
The
interactions
among
dissolved
organic
matter
(DOM),
microplastics
(MPs)
and
microbes
influence
the
fate
of
aqueous
carbon
greenhouse
gas
emissions.
However,
related
processes
mechanisms
remain
unclear.
Here,
we
found
that
MPs
determined
by
influencing
biodiversity
chemodiversity.
release
chemical
additives
such
as
diethylhexyl
phthalate
(DEHP)
bisphenol
A
(BPA)
into
phase.
microbial
community,
especially
autotrophic
bacteria
Cyanobacteria,
showed
a
negative
correlation
with
released
from
MPs.
inhibition
autotrophs
promoted
CO2
Meanwhile,
stimulated
metabolic
pathways
tricarboxylic
acid
(TCA)
cycle
to
accelerate
DOM
biodegradation
process,
then
transformed
presented
low
bioavailability,
high
stability,
aromaticity.
Our
findings
highlight
an
urgent
need
for
chemodiversity
surveys
assess
ecological
risks
MP
pollution
impact
on
cycle.
Frontiers in Toxicology,
Год журнала:
2023,
Номер
5
Опубликована: Июль 14, 2023
Plastic
is
a
pervasive
material
that
has
become
an
indispensable
part
of
our
daily
lives
and
used
in
various
commercial
products.
However,
plastic
waste
significantly
impacted
the
environment,
accumulating
water
land
ecosystems
harming
all
forms
life.
When
degrades,
it
breaks
down
into
smaller
particles
called
microplastics
(MPs),
which
can
further
breakdown
nanoplastics
(NPs).
Due
to
their
small
size
potential
toxicity
humans,
NPs
are
particular
concern.
During
COVID-19
pandemic,
production
had
reached
unprecedented
levels,
including
essential
medical
kits,
food
bags,
personal
protective
equipment
(PPE),
generate
MPs
when
burned.
have
been
detected
locations,
such
as
air,
food,
soil,
but
understanding
adverse
health
effects
limited.
This
review
aims
provide
comprehensive
overview
sources,
interactions,
ecotoxicity,
routes
exposure,
mechanisms,
detection
methods,
future
directions
for
safety
evaluation
NPs.
would
improve
impact
on
environment
identify
ways
address
this
global
crisis.