Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(10), P. 6722 - 6732
Published: April 25, 2022
Pesticide
nanoencapsulation
and
its
foliar
application
are
promising
approaches
for
improving
the
efficiency
of
current
pesticide
practices,
whose
losses
can
reach
99%.
Here,
we
investigated
uptake
translocation
azoxystrobin,
a
systemic
pesticide,
encapsulated
within
porous
hollow
silica
nanoparticles
(PHSNs)
mean
diameter
253
±
73
nm,
following
on
tomato
plants.
The
PHSNs
had
67%
loading
azoxystrobin
enabled
controlled
release
over
several
days.
Thus,
nanoencapsulated
was
taken
up
distributed
more
slowly
than
nonencapsulated
pesticide.
A
total
8.7
1.3
μg
quantified
in
different
plant
parts,
4
days
after
20
single
leaf
each
plant.
In
parallel,
(as
Si
particulate
SiO2)
were
characterized.
translocated
15.5
1.6
μg,
rate
patterns
from
their
load.
Notably,
throughout
plant,
although
they
much
larger
known
size-exclusion
limits
(reportedly
below
50
nm)
tissues,
which
points
to
knowledge
gaps
mechanisms
vary
significantly
nanosilica-encapsulated
formulations.
Plants,
Journal Year:
2022,
Volume and Issue:
11(19), P. 2587 - 2587
Published: Sept. 30, 2022
The
widespread
use
of
fertilizers
is
a
result
the
increased
global
demand
for
food.
commonly
used
chemical
may
increase
plant
growth
and
output,
but
they
have
deleterious
effects
on
soil,
environment,
even
human
health.
Therefore,
nanofertilizers
are
one
most
promising
solutions
or
substitutes
conventional
fertilizers.
These
engineered
materials
composed
nanoparticles
containing
macro-
micronutrients
that
delivered
to
rhizosphere
in
regulated
manner.
In
nanofertilizers,
essential
minerals
nutrients
(such
as
N,
P,
K,
Fe,
Mn)
bonded
alone
combination
with
nano-dimensional
adsorbents.
This
review
discusses
development
nanotechnology-based
smart
efficient
agriculture
using
higher
nutritional
management,
owing
their
ability
nutrient
uptake
efficiency.
Additionally,
synthesis
mechanism
action
discussed,
along
different
types
currently
available.
Furthermore,
sustainable
can
be
realised
by
targeted
delivery
controlled
release
through
application
nanoscale
active
substances.
paper
emphasises
successful
safe
nanotechnology
agriculture;
however,
certain
basic
concerns
existing
gaps
research
need
addressed
resolved.
Plant Communications,
Journal Year:
2022,
Volume and Issue:
3(6), P. 100346 - 100346
Published: June 9, 2022
Nano-enabled
agriculture
is
a
topic
of
intense
research
interest.
However,
our
knowledge
how
nanoparticles
enter
plants,
plant
cells,
and
organelles
still
insufficient.
Here,
we
discuss
the
barriers
that
limit
efficient
delivery
at
whole-plant
single-cell
levels.
Some
commonly
overlooked
factors,
such
as
light
conditions
surface
tension
applied
nano-formulations,
are
discussed.
Knowledge
gaps
regarding
cell
uptake
nanoparticles,
effect
electrochemical
gradients
across
organelle
membranes
on
nanoparticle
delivery,
analyzed
The
importance
controlling
factors
size,
charge,
stability,
dispersibility
when
properly
designing
nanomaterials
for
plants
outlined.
We
mainly
focus
understanding
travel
in
cells
major
promoting
better
nanoparticle–plant
interactions.
also
provide
suggestions
design
nano-enabled
agriculture.
Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(23), P. 16907 - 16918
Published: Nov. 10, 2022
Microplastics
(MPs)
can
enter
plants
through
the
foliar
pathway
and
are
potential
hazards
to
ecosystems
human
health.
However,
studies
related
molecular
mechanisms
underlying
impact
of
exposure
differently
charged
MPs
leafy
vegetables
limited.
Because
surfaces
in
environment
often
charged,
we
explored
uptake
pathways,
accumulation
concentration
MPs,
physiological
responses,
lettuce
foliarly
exposed
carrying
positive
(MP
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
58(2), P. 1010 - 1021
Published: Nov. 7, 2023
Despite
the
increasing
prevalence
of
atmospheric
nanoplastics
(NPs),
there
remains
limited
research
on
their
phytotoxicity,
foliar
absorption,
and
translocation
in
plants.
In
this
study,
we
aimed
to
fill
knowledge
gap
by
investigating
physiological
effects
tomato
leaves
exposed
differently
charged
NPs
absorption
NPs.
We
found
that
positively
caused
more
pronounced
effects,
including
growth
inhibition,
increased
antioxidant
enzyme
activity,
altered
gene
expression
metabolite
composition
even
significantly
changed
structure
phyllosphere
microbial
community.
Also,
exhibited
differential
translocation,
with
penetrating
into
dispersing
uniformly
within
mesophyll
cells.
Additionally,
absorbed
were
able
translocate
roots.
These
findings
provide
important
insights
interactions
between
crop
plants
demonstrate
NPs'
accumulation
crops
could
negatively
impact
agricultural
production
food
safety.
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(2), P. 131 - 131
Published: Jan. 5, 2024
Nanoparticle
transport
into
plants
is
an
evolving
field
of
research
with
diverse
applications
in
agriculture
and
biotechnology.
This
article
provides
overview
the
challenges
prospects
associated
nanoparticles
plants,
focusing
on
delivery
methods
detection
within
plant
tissues.
Passive
assisted
methods,
including
use
roots
leaves
as
introduction
sites,
are
discussed,
along
their
respective
advantages
limitations.
The
barriers
encountered
nanoparticle
to
highlighted,
emphasizing
need
for
innovative
approaches
(e.g.,
stem
a
new
recognition
site)
optimize
efficiency.
In
recent
years,
efforts
have
intensified,
leading
evendeeper
understanding
intricate
mechanisms
governing
interaction
nanomaterials
tissues
cells.
Investigations
uptake
pathways
translocation
revealed
nuanced
responses
different
types
nanoparticles.
Additionally,
this
delves
importance
studying
localization
quantification
Various
techniques
presented
valuable
tools
comprehensively
nanoparticle–plant
interactions.
reliance
multiple
data
validation
emphasized
enhance
reliability
findings.
future
outlooks
explored,
potential
alternative
such
stems,
continued
development
formulations
that
improve
adhesion
penetration.
By
addressing
these
fostering
multidisciplinary
research,
poised
make
significant
contributions
sustainable
environmental
management.
