Nanocarriers
that
respond
to
environmental
stimuli
are
highly
desirable
in
optimizing
the
bioavailability
of
pesticides
while
minimizing
side
effects.
Manganese-engineered
nanomaterials
hold
promising
prospects
agriculture
as
versatile
carriers
for
both
intelligent
controlled
pesticide
delivery
and
crop
nutrient
enhancement.
Here,
Mn-engineered
hollow
silicon
nanospheres
(Mn-HSNs)
with
a
bubble-like
structure
were
synthesized
encapsulating
iprodione
(IPR)
obtain
IPR-loaded
Mn-HSNs
(IPR@Mn-HSNs).
Due
its
high
surface
area
261.28
m²/g
surface-enriched
active
sites,
demonstrated
commendable
loading
capacity
63.29%
IPR.
Results
indicated
-Si-O-Mn-
hybrid
framework
IPR@Mn-HSNs
not
only
facilitated
acidity-triggered
IPR
release
capability
but
also
served
plentiful
source
Mn
ion
orthosilicic
acid
(Si(OH)4)
promote
growth.
The
amount
an
acidic
environment
generated
by
Sclerotinia
sclerotiorum
oilseed
rape
was
3.14
times
higher
than
under
neutral
conditions.
In
vitro
experiments
antibacterial
activity
about
1.2
commercial
suspension
concentrate.
Appreciably,
could
be
effectively
transported
different
parts
rapeseed
plants
through
foliar
spray,
thereby
enhancing
effectiveness
utilization.
More
importantly,
had
no
discernible
impact
on
survival
Harmonia
axyridis
relatively
safe
HL-7702
HK-2
cells.
Therefore,
this
work
offers
valuable
insights
into
development
efficient
environmentally
friendly
nanoformulation
sustainable
eco-friendly
plant
protection
agriculture.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(18), С. 8009 - 8019
Опубликована: Апрель 1, 2024
With
the
increasing
use
of
metal–organic
frameworks
(MOFs),
they
will
inevitably
enter
environment
intentionally
or
unintentionally.
However,
effects
MOFs
on
plant
growth
are
poorly
understood.
Here,
we
investigated
exposure
rhizosphere
to
growth.
MIL-101(Cr)
was
selected
as
a
research
model
due
its
commercial
availability
and
wide
use.
Soybean
plants
at
two-leaf
stage
were
subjected
various
durations
(1–7
days)
concentrations
(0–1000
mg/L)
in
hydroculture
with
control
group
treated
ultrapure
water.
We
found
that
had
positive
effect
soybean
lower
dose
(i.e.,
200
mg/L);
however,
higher
doses
500
1000
mg/L),
it
exhibited
significant
toxicity
growth,
which
is
evidenced
by
leaf
damage.
To
investigate
mechanism
this
effect,
used
Cr
an
indicator
quantify,
track,
image
laser
ablation
inductively
coupled
plasma
mass
spectrometry
(LA-ICP-MS).
Results
indicated
primarily
accumulated
cortex
roots
(up
40
times
than
stems),
limited
translocation
stems
negligible
presence
leaves
cotyledons.
In
addition,
metabolomic
analysis
soybeans
low-dose
could
increase
sucrose
content
promote
while
high
induce
lipid
oxidation
roots.
This
study
provides
valuable
insights
into
ecological
toxicology
underscores
importance
assessing
their
environmental
impact
for
sustainable
agricultural
practices.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(22), С. 9875 - 9886
Опубликована: Май 9, 2024
Zinc
oxide
nanoparticles
(ZnO
NPs)
cause
biotoxicity
and
pose
a
potential
ecological
threat;
however,
their
effects
on
plant
metabolism
eco-corona
evolution
between
NPs
organisms
remain
unclear.
This
study
clarified
the
molecular
mechanisms
underlying
physiological
metabolic
responses
induced
by
three
different
ZnO
with
sizes
hydrophobicity
in
sprouts
(
