Plants,
Год журнала:
2020,
Номер
9(12), С. 1711 - 1711
Опубликована: Дек. 4, 2020
Selenium
(Se)
is
a
widely
distributed
trace
element
with
dual
(beneficial
or
toxic)
effects
for
humans,
animals,
and
plants.
The
availability
of
Se
in
the
soil
reliant
on
structure
parental
material
procedures
succeeding
to
formation.
Anthropogenic
activities
affect
content
environment.
Although
plants
are
core
source
animal
human
diet,
role
still
debatable.
A
low
concentration
can
be
beneficial
plant
growth,
development,
ecophysiology
both
under
optimum
unfavorable
environmental
conditions.
However,
excess
results
toxic
effects,
especially
sensitive
plants,
due
changing
function
proteins
induce
oxidative/nitrosative
stress,
which
disrupts
several
metabolic
processes.
Contrary,
hyperaccumulators
absorb
tolerate
exceedingly
large
amounts
Se,
could
potentially
used
remediate,
i.e.,
remove,
transfer,
stabilize,
and/or
detoxify
Se-contaminants
groundwater.
Thereby,
Se-hyperaccumulators
play
dynamic
overcoming
global
problem
Se-inadequacy
toxicity.
knowledge
uptake
metabolism
essential
effective
phytoremediation
remove
this
element.
Moreover,
selecting
most
efficient
species
accumulating
crucial
successful
particular
Se-contaminated
area.
This
review
emphasizes
toxicity
environment
regards
biogeochemistry
aspects.
follows
critical
approach
stimulates
thought
future
research
avenues.
Green Processing and Synthesis,
Год журнала:
2019,
Номер
8(1), С. 399 - 407
Опубликована: Янв. 28, 2019
Abstract
Selenium
as
an
essential
trace
element
for
the
health
of
humans
was
used
to
hydrothermally
synthesis
selenium
nanoparticle
(Se
NPs)
using
Aloe
vera
leaf
extract
(ALE).
Effects
parameters
namely;
amount
ALE
(1–5
ml)
and
Na
2
SeO
3
solution
(10–30
ml),
on
particle
size
colour
intensity
containing
Se
NPs
were
studied
response
surface
methodology.
FT-IR
spectroscopy,
UV-Vis
spectrophotometry,
DLS
analyzer
TEM
determine
specifications
synthesized
NPs.
Obtained
results
indicated
that
contained
several
bioactive
compounds,
which
they
had
hydroxyl
amide
І
groups
in
their
structures
these
two
functional
key
roles
reduction
ions
form
stabilizing
them.
Furthermore,
spherical
fabricated
obtained
optimum
parameters,
4.92
mL
13.03
solution,
intensity,
mean
size,
zeta
potential
polydispersity
index
values
3.0%
a.u.,
50
nm,
-18
mV
0.344,
respectively
according
analysis.
The
also
high
antibacterial
antifungal
activities
against
4
selected
pathogenic
bacteria
spoilage
fungi
strains.
Environment International,
Год журнала:
2020,
Номер
142, С. 105831 - 105831
Опубликована: Июнь 12, 2020
With
the
rising
global
population
growth
and
limitation
of
traditional
agricultural
technology,
crop
production
could
not
provide
enough
nutrients
to
assure
adequate
intake
for
all
people.
Nano-fertilizers
nano-pesticides
have
20–30%
higher
efficacy
than
conventional
products,
which
offer
an
effective
solution
above-mentioned
problem.
Rhizosphere
is
where
plant
roots,
soil,
soil
biota
interact,
portal
transporting
from
into
plants.
The
rhizosphere
processes
modify
bioavailability
nanomaterials
(NMs)
before
entering
food
However,
date,
overall
regulating
behaviors
NMs
enhance
nutritional
quality
are
still
uncertain.
In
this
review,
a
meta-analysis
conducted
quantitatively
assess
NMs-mediated
changes
in
Furthermore,
current
knowledge
related
mechanisms
behavior
driven
by
processes,
e.g.,
root
secretions,
microbial
earthworm
activities,
summarized.
A
series
can
influence
how
enter
plants
change
biological
responses,
including
signal
transduction
nutrient
absorption
transport.
Moreover,
future
perspectives
presented
maximize
potentials
applications
enhancement
security.
Plants,
Год журнала:
2019,
Номер
8(10), С. 355 - 355
Опубликована: Сен. 20, 2019
The
effects
of
nanoparticles
(NPs)
on
plants
are
contrasting;
these
depend
the
model
plant,
synthesis
(concentration,
size,
shape),
and
forms
application
(foliar,
substrate,
seeds).
For
this
reason,
objective
study
was
to
report
impact
different
concentrations
selenium
(Se)
copper
(Cu)
NPs
yield,
antioxidant
capacity,
quality
tomato
fruit.
Se
Cu
were
applied
substrate
every
15
days
(five
applications).
yield
determined
until
day
102
after
transplant.
Non-enzymatic
enzymatic
compounds
in
leaves
fruits
as
well
fruit
at
harvest.
results
indicate
that
increased
by
up
21%
with
10
mg
L-1
NPs.
In
leaves,
content
chlorophyll,
vitamin
C,
glutathione,
2,2'-azino-bis(3-ethylbenzthiazolin-6-sulfonic
acid
(ABTS),
superoxide
dismutase
(SOD),
glutathione
peroxidase
(GPX)
phenylalanine
ammonia
liasa
(PAL).
fruits,
they
flavonoids,
firmness,
total
soluble
solids,
titratable
acidity.
combination
optimal
could
be
a
good
alternative
improve
quality,
but
more
studies
needed
elucidate
their
clearly.
