Journal of Trace Elements and Minerals,
Journal Year:
2024,
Volume and Issue:
9, P. 100180 - 100180
Published: June 18, 2024
Heavy
metal
(HM)
pollution
in
agricultural
soils
represents
a
hidden
danger
to
food
security
worldwide.
In
this
paper,
the
spatio-temporal
trends
of
heavy
metals
from
eight
countries
and
50
soil
samples
farmland
were
evaluated
through
combination
field
surveys
meta-analysis
provide
comprehensive
report
on
pollution.
The
analysed
using
inductively
coupled
plasma–mass
spectrometry
(ICP-MS)
(Perkin
Elmer
Nixon
300Q).
contamination
factor
(CF)
load
index
(PLI)
calculated.
results
CF
indicate
extreme
for
Cr,
suggesting
ecotoxicological
effects,
while
PLI
values
range
baseline
moderate
Cd,
Hg,
Cu,
Zn,
Ni,
except
which
shows
very
high
pollution,
that
oils
have
undergone
some
form
deterioration.
reviewed
articles
published
between
2010
2023
showed
increasing
all
HMs.
weighted
mean
As,
Ni
0.0-222.7,
0.08-289.2,
0.03-193,
2.94-198.1,
0.0-771.1,
0.0-231,
1.71-99.75.6
mg/kg,
respectively.
Zn
As
exceeded
two
three
times
China
National
Environmental
Monitoring
Centre
(CNEMC)
European
Union's
most
cited
guideline
(MEF),
rock
crust
guideline.
correlation
matrix
heatmap
revealed
highly
positive
Cr
(R2
=
0.66),
these
elements
same
source
are
likely
prevalent
soils.
spatial
origin
publications
reveals
82%
studies
followed
by
South
Africa
Italy
accounting
4%
respectively
Nigeria,
Egypt,
Morocco,
Iran,
Turkey
account
2%
each.
findings
study
important
implications
environmental
regulation
protection
Unlike
previous
often
adopt
"silos"
method,
highlights
nexus
approach
integrates
both
experimental
could
establish
more
understanding
Minerals,
Journal Year:
2023,
Volume and Issue:
13(8), P. 1064 - 1064
Published: Aug. 11, 2023
Coal
remains
a
very
important
source
of
energy
for
the
global
economy.
Surface
and
underground
coal
mining
are
two
major
methods
extraction,
both
have
benefits
drawbacks.
can
variety
environmental
impacts
including
ecosystem
losses,
landscape
alteration,
soil
destruction,
changes
to
surface
groundwater
quality
quantity.
In
addition,
toxic
compounds
such
as
heavy
metals,
radioactive
elements,
polycyclic
aromatic
hydrocarbons
(PAHs),
other
organic
contaminants
released
in
environment,
ultimately
affecting
health
ecosystems
general
population.
Underground
has
large
on
water
supplies
quality,
but
generally
less
visual
leaving
waste
tailings
subsidence
problems.
response
concern
about
these
issues,
many
strategies
been
developed
by
scientists
practitioners
minimize
land
degradation
pollution
due
mining.
Reclamation
laws
passed
numerous
countries
during
past
50
years
instituted
practices
reduce
burying
materials,
saving
replacing
topsoil,
vegetating
surface.
While
modern
decreased
impacts,
sites
inadequately
reclaimed
present
long-lasting
The
current
review
summarizes
progress
comprehending
(1)
pollution,
(2)
potential
risks
associated
with
mining,
(3)
different
types
remediating
contaminated
soils.
Research
prospective
directions
regions
include
refinements
assessing
pollutant
levels,
use
biochars
amendments,
phytoremediation
soils,
release
elements
mercury
thallium.
Separations,
Journal Year:
2023,
Volume and Issue:
10(3), P. 156 - 156
Published: Feb. 24, 2023
The
green
synthesis
of
metal
oxide
nanoparticles
is
an
efficient,
simple,
and
chemical-free
method
producing
nanoparticles.
present
work
reports
the
Murraya
koenigii-mediated
ZrO2
(ZrO2
NPs)
their
applications
as
a
photocatalyst
antibacterial
agent.
Capping
stabilization
were
achieved
by
using
koenigii
leaf
extract.
optical,
structural,
morphological
valance
NPs
characterized
UV-DRS,
FTIR,
XRD,
FESEM
with
EDX,
TEM,
XPS.
An
XRD
analysis
determined
that
have
monoclinic
structure
crystallite
size
24
nm.
TEM
images
confirm
spherical
nature
NPs,
distributions
on
surfaces
show
lower
agglomerations.
showed
high
optical
absorbance
in
UV
region
wide
bandgap
indicating
surface
oxygen
vacancies
charge
carriers.
presence
Zr
O
elements
O=Zr=O
bonds
was
categorized
EDX
FTIR
spectroscopy.
plant
molecules’
interface,
bonding,
binding
energy,
existence
established
from
XPS
analysis.
photocatalytic
degradation
methylene
blue
examined
under
visible
light
irradiation.
94%
toxic
MB
dye
within
20
min.
inhibition
tested
against
S.
aureus
E.
coli
pathogens.
Applications
bio-synthesized
including
organic
substance
removal,
pathogenic
inhibitor
development,
catalysis,
biomedical
development
explored.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
13
Published: Jan. 17, 2023
Heavy
metals
(HMs)
contamination
and
vegetation
destruction
in
the
mining
area
caused
by
activities
are
severely
increasing.
It
is
urgent
to
restore
stabilize
HMs.
In
this
study,
we
compared
ability
of
HMs
phytoextraction/phytostabilization
three
dominant
plants,
including
Artemisia
argyi
(LA),
Miscanthus
floridulus
(LM),
Boehmeria
nivea
(LZ)
a
lead-zinc
Huayuan
County
(China).
We
also
explored
role
rhizosphere
bacterial
community
assisting
phytoremediation
using
16S
rRNA
sequencing
technology.
Bioconcentration
factor
(BCF)
translocation
(TF)
analysis
showed
that
LA
preferred
accumulating
Cd,
LZ
Cr
Sb,
LM
Ni.
Significant
(p
<
0.05)
differences
were
found
among
soil
microbial
communities
these
plants.
The
key
genera
Truepera
Anderseniella,
Paracoccus
Erythrobacter,
was
Novosphingobium.
Correlation
some
taxa
(e.g.,
Actinomarinicola,
Bacillariophyta
Oscillochloris)
affected
physicochemical
parameters
organic
matter
pH)
enhanced
TF
metals.
Functional
prediction
relative
abundances
genes
related
synthesis
proteins
manganese/zinc-transporting
P-type
ATPase
C,
nickel
transport
protein
1-aminocyclopropane-1-carboxylate
deaminase)
positively
correlated
with
capacity
plants
for
heavy
This
study
provided
theoretical
guidance
on
selecting
appropriate
different
metal
remediation
applications.
bacteria
might
enhance
multi-metals,
which
could
provide
reference
subsequent
research.
