Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(23), P. 1939 - 1939
Published: Dec. 3, 2024
Metal-based
nanoparticles
(MNPs)
are
increasingly
prevalent
in
the
environment
due
to
both
natural
processes
and
human
activities,
leading
direct
interactions
with
plants
through
soil,
water,
air
exposure
that
can
have
beneficial
detrimental
effects
on
plant
growth
health.
Understanding
uptake,
translocation,
transformation
of
MNPs
is
crucial
for
assessing
environmental
risks
leveraging
nanotechnology
agriculture.
However,
accurate
analysis
tissues
poses
significant
challenges
complex
matrices
dynamic
nature
nanoparticles.
This
short
review
summarizes
recent
advances
analytical
methods
determining
MNP-plant
interactions,
focusing
pre-processing
quantitative
nanoparticle
analysis.
It
highlights
importance
selecting
appropriate
extraction
techniques
preserve
integrity
quantification.
Additionally,
mass
spectrometry,
microscopy,
other
spectroscopic
improve
characterization
within
systems
discussed.
Future
perspectives
highlight
need
develop
real-time
situ
monitoring
sensitive
tools
characterizing
biotransformation.
Plants,
Journal Year:
2025,
Volume and Issue:
14(7), P. 1011 - 1011
Published: March 24, 2025
Nanotechnology
has
been
a
source
of
innovation
in
various
fields
recent
years,
and
its
application
agriculture
attracted
much
attention,
particularly
for
potential
to
enhance
crop
growth
optimize
nutritional
quality.
This
study
systematically
investigated
the
effects
nickel
ferrite
nanoparticles
(NiFe2O4
NPs)
on
peanut
(Arachis
hypogaea
L.)
growth,
nutrient
dynamics,
biochemical
responses,
highlighting
their
as
sustainable
alternatives
conventional
fertilizers.
The
results
showed
that
an
optimum
concentration
50
mg/kg
soil
significantly
improved
photosynthetic
efficiency,
biomass
accumulation,
seed
yield,
quality,
with
1000
weight
total
yield
increasing
by
12.3%
15.6%,
respectively.
In
addition,
we
hypothesized
NiFe2O4
NPs
would
activate
antioxidant
system
increase
plant
resistance.
According
risk
assessment,
target
hazard
quotient
(THQ
=
0.081)
is
well
below
safety
threshold
1.
These
findings
provide
strong
evidence
next-generation
nano-fertilizers,
offering
dual
advantage
agronomic
performance
biosafety.
However,
further
research
needed
strategies
assess
long-term
environmental
impacts.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(44), P. 19725 - 19735
Published: Oct. 24, 2024
Seed
priming
with
nanomaterials
is
an
emerging
approach
for
improving
plant
stress
tolerance.
Here,
we
demonstrated
a
mechanism
enhancing
salt
tolerance
in
rice
under
via
nonstimulatory
nanoparticles
such
as
selenium
(SeNPs),
distinct
from
stimulatory
nanomaterials.
Due
to
the
dynamic
transformation
ability
of
SeNPs,
SeNP
could
enhance
by
mediating
glutathione
cycle
eliminate
excess
reactive
oxygen
species
(ROS).
During
priming,
SeNPs
penetrated
seeds
and
transitioned
into
soluble
form
(99.9%)
within
embryo
endosperm.
Subsequently,
(Se)
was
transported
roots
metabolized
various
Se-related
derivatives,
including
selenomethionine
(SeMet),
Na
Molybdenum
(Mo)
is
essential
for
many
enzymes
but
often
sequestered
within
minerals,
rendering
it
not
readily
bioavailable.
Metallophores,
metabolites
secreted
by
microorganisms
and
plants,
promote
mineral
dissolution
to
increase
the
metal
bioavailability.
However,
interactions
between
metallophores
Mo-bearing
minerals
remain
unclear.
In
this
study,
catecholate
protochelin
hydroxamate
desferrioxamine
B
(DFOB)
were
utilized
examine
their
effects
on
of
common
mineral,
molybdenite
(MoS2),
under
both
oxic
anoxic
conditions.
Protochelin
promoted
conditions,
with
formation
MoO3
surface
Mo-siderophore
complexes
in
solution.
This
was
attributed
air-oxidation
protochelin,
as
evidenced
lack
conditions
enhanced
either
preoxidized
or
molybdenite.
Liquid
chromatography–mass
spectroscopy,
X-ray
photoelectron
time-of-flight
secondary
ion
mass
spectrometry
analyses
revealed
degradation
adsorptions
its
byproducts
dissolution.
Conversely,
DFOB
inhibited
likely
adsorption
weak
complexation
Mo(VI)
at
circumneutral
pH.
work
highlights
need
consider
balance
promoting
inhibitory
different
Mo-mineral
