Minerals,
Journal Year:
2024,
Volume and Issue:
14(10), P. 967 - 967
Published: Sept. 25, 2024
To
explore
the
potential
of
plant
trace
elements
as
indicators
in
search
for
concealed
deposits
within
W–Sn
polymetallic
mining
area
Shizhuyuan,
Hunan
Province,
this
study
focused
on
geochemical
characterization
21
elements,
including
Ag,
As,
B,
Bi,
Cd,
Mo,
Ni,
Pb,
and
U,
stem
leaf
tissues
three
predominant
plants
area.
A
total
126
samples
were
collected,
covering
an
about
10
km2,
analyzed
using
ICP-MS.
The
best
indicator
sampling
sites
selected
multiple
indicators,
biological
absorption
coefficient
(XBAC),
enrichment
(KNJ),
contrast
(KCD).
results
showed
that
represent
most
effective
components
phyto-geochemical
surveys
region.
Dicranopteris
dichotoma
exhibited
markedly
pronounced
anomalies
Ag
(0.137
µg/g),
As
(86.12
Mo
(0.963
Pb
(15.4
Sb
(2.03
Se
(0.547
µg/g)
demonstrated
superior
capabilities
Sn,
Sb,
Bi
soil,
with
XBAC
values
12.0,
54.2,
23.3,
2.9,
83.9,
respectively.
R-type
cluster
analysis
factor
identified
four
distinct
mineralization
element
combinations:
(1)
Sn–As,
(2)
Ag–Cu–Mo,
(3)
(4)
Bi–Sb–Se.
Consequently,
D.
is
a
viable
detection
Se,
Sn
areas.
demonstrate
methods
mineral
prospecting
feasible
has
significant
application
value
Shizhuyuan
area,
which
characterized
by
dense
vegetation
complex
geological
conditions.
Agriculture,
Journal Year:
2025,
Volume and Issue:
15(4), P. 364 - 364
Published: Feb. 8, 2025
Soil
acidification
activates
most
of
the
cationic
heavy
metals
in
soil
and
thus
enhances
their
accumulation
crops,
posing
an
accentuated
threat
to
human
health,
while
there
is
limited
knowledge
regarding
metalloid
arsenic
(As)
which
influenced
by
due
its
opposite
behavior
soil.
In
this
study,
processes
neutral
purple
together
with
accompanied
changes
properties
As
fractionation
were
examined
through
a
column-leaching
experiment.
Subsequently,
growth
pakchoi
(Brassica
campestris
L.)
investigated
under
various
combinations
pH
pollution
levels
pot
This
allowed
us
elucidate
mechanisms
co-stresses
pollution.
The
results
indicated
that
followed
two-phase
process,
initially
rapid
later
slow,
turning
point
at
4.7–4.8.
Below
critical
pH,
leaching
rates
base
ions
accelerated
significantly
decomposition
primary
minerals
began,
primarily
from
chlorite
green/mesospheric
minerals,
resulting
substantial
increase
content
amorphous
iron
oxide.
Meantime,
was
transformed
highly
labile
forms,
such
as
non-specifically
specifically
adsorbed
less
active
ones
like
hydrous
oxide-bound
residual
decreased
availability.
context,
remarkably
delayed
pakchoi,
influence
on
only
occurred
when
acidified
lower
than
6,
demonstrated
biomass
reduction
higher
41.8%
decrease
4.6.
Moreover,
exacerbated
inhibitory
effect
growth.
contents
edible
parts
dramatically
increased
level,
did
not
mitigate
plants
via
suppression
availability
but
rather
greatly
it
bioconcentration
caused
toxicity.
conclusion,
significant
interactions
existed
between
terms
transformation,
leading
comprehensive
effects
crops.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 24, 2025
This
study
aimed
to
identify
suitable
plants
for
remediating
metal
pollution
in
copper
tailing
soil
and
supporting
ecological
reclamation
Dongchuan,
Yunnan,
focusing
on
three
major
mining
regions:
Tangdan,
Yinmin,
Lanniping.
The
Nemerow
comprehensive
index
was
employed
evaluate
the
contamination
levels,
enrichment
transfer
capacities
of
dominant
Cd,
Cu,
Pb,
Zn
were
analyzed
remediation
candidates.
findings
revealed
severe
soil,
with
Cu
as
primary
pollutant,
a
rate
77.778%.
A
total
96
plant
species
from
42
families
87
genera
recorded,
including
29
across
17
26
genera,
herbs
comprising
62.068%
types.
Among
tested
plants,
Leucaena
leucocephala,
Rumex
acetosa,
Festuca
rubra,
Salix
balfouriana
exhibited
significantly
higher
capacities,
rendering
them
restoration.
highest
membership
function
score
5.298
identified
preferred
restoration
Dongchuan
area.
Correlation
analysis
positive
relationship
between
content
underground
parts
both
organic
matter
(OM)
rhizosphere
whereas
negative
correlation
observed
pH.
area
is
severely
contaminated
by
metals,
mainly
Cu.
S.
emerged
most
candidate
accumulation.
establishes
theoretical
framework
application
promotion
phytoremediation
technology
tailings
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(12), P. 5138 - 5138
Published: June 17, 2024
The
high
consumption
and
cost
of
cement
are
the
bottleneck
problems
that
limit
development
cemented
tailings
backfilling
technology.
low-consumption
backfill
is
immersed
in
a
weak
acid/alkaline
groundwater
environment
for
long
time.
Reducing
can
easily
lead
to
such
as
sudden
decrease
strength
leakage
heavy
metals.
Through
monolithic
leaching
test
static
uniaxial
compressive
tests,
metals’
concentration
backfills
different
pH
soaking
solutions
were
measured
at
times.
Results
show
lower
will
result
CTB
higher
rate
metal
leaching.
Long-term
exposure
an
acidic/alkaline
instability
destruction
structure.
A
microscopic
examination
reveals
creation
hydration
products
improve
structure’s
compactness
while
also
lowering
internal
porosity
but
solidify
ions
various
ways.
first-order
reaction/diffusion
model
(FRDM)
better
evaluate
behavior
CTB.
This
study
helps
technology,
thereby
contributing
sustainable
mining
geotechnologies.
Analytical Sciences,
Journal Year:
2024,
Volume and Issue:
40(7), P. 1249 - 1260
Published: April 11, 2024
Natural
enzyme
mimics
have
attracted
attention
as
alternatives
to
natural
peroxidases.
Among
these,
magnetic
nanoparticles,
especially
ferrites,
because
of
their
unique
electronic
and
physical
structures,
which
are
expected
be
applied
in
various
fields,
including
high-frequency
materials,
biomaterials,
gas
sensors,
semiconductor
photocatalysts.
The
structural
properties
the
synthesized
catalysts
were
investigated
using
X-ray
diffraction,
photoelectron
spectroscopy,
scanning
electron
microscopy,
transmission
microscopy.
prepared
CoFe2O4
exhibited
a
spinel
ferrite
structure
formed
wood-flake-like
bulk
structure.
In
this
study,
was
precipitation
method
mimetic.
showed
excellent
peroxidase-like
activity,
demonstrated
by
Michaelis–Menten
constant
(Km)
maximum
velocity
(Vmax).
linear
ranges
calibration
curves
for
H2O2
glucose
range
0–500
µM,
detection
limits
1.83
5.91
respectively.
This
analytical
determination
human
serum,
results
satisfactory
consistent
with
certified
values.
performance
sensor
comparable
or
superior
those
several
other
sensors
commonly
used
analysis,
indicating
that
its
practical
application
is
feasible.
Processes,
Journal Year:
2024,
Volume and Issue:
12(4), P. 833 - 833
Published: April 19, 2024
Phytoremediation,
an
ecological
approach
aimed
at
addressing
polymetal(loid)lic-contaminated
mining
soils,
has
encountered
adaptability
challenges.
Dominant
plant
species,
well-suited
to
the
local
conditions,
have
emerged
as
promising
candidates
for
this
purpose.
This
study
focused
on
assessing
phytoremediation
potential
of
ten
species
that
thrived
in
heavy
metal(loid)-contaminated
soils.
investigation
covered
nine
metal(loid)s
(As,
Cu,
Cd,
Cr,
Hg,
Ni,
Pb,
Sn,
and
Zn)
both
plants
rhizosphere
The
results
revealed
a
significant
impact
activities,
with
metal(loid)
concentrations
surpassing
Yunnan
Province’s
background
levels
by
1.06
362
times,
highlighting
concern
remediation.
average
followed
order
As
(3.98
×
103
mg
kg−1)
>
Cu
(2.83
Zn
(815
Sn
(176
Pb
(169
Cr
(68.1
Ni
(36.2
Cd
(0.120
Hg
(0.0390
kg−1).
bioconcentration
factors
(BCFs),
bioaccumulation
(BAFs),
translocation
(TFs)
varied
among
native
plants,
indicating
diverse
adaptation
strategies.
Low
BCFs
BAFs
(ranging
from
0.0183
0.418
0.0114
0.556,
respectively)
suggested
low
bioavailability
metal(loid)s.
Among
J.
effusus
P.
capitata
showed
remarkable
abilities
accumulation,
while
A.
adenophora
demonstrated
notable
accumulation
ability
various
metal(loid)s,
especially
relatively
high
(1.88)
(3.11),
TF
1.66
further
underscored
crucial
role
preventing
root
toxicity.
These
findings
emphasized
these
mine
restoration
phytoremediation,
guiding
targeted
environmental
rehabilitation
