Crystals,
Год журнала:
2023,
Номер
13(3), С. 450 - 450
Опубликована: Март 4, 2023
Selenium
(Se)
is
a
nutritional
component
necessary
for
animal
and
plant
development
reproduction.
nanoparticles
(SeNPs)
have
high
absorption
rate
during
routine
supplementation.
In
the
current
study,
cell-free
extract
of
Aspergillus
terreus
was
used
as
reducing
stabilizing
agent
in
synthesis
SeNPs
using
green
eco-friendly
method.
The
mycosynthesized
were
characterized
by
UV-visible
spectrophotometry,
Fourier
transform
infrared
spectroscopy,
X-ray
diffraction
dynamic
light
scattering,
transmission
electron
microscopy,
scanning
microscopy.
results
characterization
process
showed
that
had
spherical
shapes
sizes
less
than
100
nm.
Results
exhibited
promising
antibacterial
activity
against
both
Gram-positive
Gram-negative
bacteria
where
inhibition
zones
14,
20,
16,
13
mm
toward
S.
haemolyticus,
aureus,
E.
coli,
K.
pneumoniae,
respectively.
However,
it
weak
antifungal
C.
albicans,
zone
12
mm.
efficacy
decolorization
malachite
dye
investigated.
illustrated
rapid
biodegradation
dye,
reaching
up
to
89%
after
240
min.
conclusion,
successfully
biosynthesized
A.
demonstrated
antimicrobial
photocatalytic
activities.
Nanomaterials,
Год журнала:
2023,
Номер
13(22), С. 2919 - 2919
Опубликована: Ноя. 8, 2023
The
rise
of
antimicrobial
resistance
caused
by
inappropriate
use
these
agents
in
various
settings
has
become
a
global
health
threat.
Nanotechnology
offers
the
potential
for
synthesis
nanoparticles
(NPs)
with
activity,
such
as
iron
oxide
(IONPs).
IONPs
is
promising
way
to
overcome
or
pathogenicity
because
their
ability
interact
several
biological
molecules
and
inhibit
microbial
growth.
In
this
review,
we
outline
pivotal
findings
over
past
decade
concerning
methods
green
using
bacteria,
fungi,
plants,
organic
waste.
Subsequently,
delve
into
primary
challenges
encountered
utilizing
diverse
organisms
materials.
Furthermore,
compile
most
common
employed
characterization
IONPs.
To
conclude,
highlight
applications
antibacterial,
antifungal,
antiparasitic,
antiviral
agents.
Inorganics,
Год журнала:
2023,
Номер
11(8), С. 328 - 328
Опубликована: Авг. 5, 2023
Artemisia
absinthium
(A.
absinthium)
leaf
extract
was
successfully
used
to
create
zinc
oxide
nanoparticles
(ZnO
NPs),
and
their
properties
were
investigated
via
several
techniques,
including
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy-dispersive
(EDX),
Fourier
transform
infrared
(FTIR),
ultraviolet–visible
spectroscopy
(UV–Vis
spectroscopy).
SEM
analysis
confirmed
the
spherical
elliptical
shapes
of
particles.
Three
different
peaks
observed
EDX
at
energies
1,
8.7,
9.8
keV,
together
with
a
single
oxygen
peak
0.5
keV.
The
XRD
identified
ZnO
NPs
as
having
hexagonal
wurtzite
structure,
particle
size
that
decreased
from
24.39
18.77
nm,
an
increasing
surface
area
(BET)
4.003
6.032
m2/g
for
(without
extract)
green
NPs,
respectively.
FTIR
groups
molecules
accountable
stabilization
minimization
which
apparent
3400
cm.
Using
UV–Vis
spectroscopy,
band-gap
(Egs)
estimated,
values
2.65
2.79
eV,
Sustainability,
Год журнала:
2023,
Номер
15(20), С. 14792 - 14792
Опубликована: Окт. 12, 2023
Drought
stress
threatens
global
food
security
and
requires
creative
agricultural
solutions.
Recently,
phyto-synthesized
nanoparticles
NPs
have
garnered
attention
as
a
way
to
reduce
crop
drought.
This
extensive
research
examines
how
improve
growth
biochemistry
in
drought-stressed
situations.
The
review
begins
with
an
introduction
highlighting
the
urgency
of
addressing
challenges
posed
by
It
also
highlights
significance
synthesized
from
photosynthesis
this
context.
Its
purpose
is
underscore
importance
sustainable
farming
practices.
approach
contrasted
conventional
methods,
elucidating
ecological
economic
advantages
NPs.
discusses
nanoparticles,
including
titanium
dioxide,
iron
oxide,
gold,
silver,
copper.
In
addition,
we
their
ability
enhance
resistance.
primary
focus
elucidate
effects
on
plant
development
under
drought
stress.
Noteworthy
outcomes
encompass
improvements
seed
germination,
seedling
growth,
water
absorption,
photosynthesis,
chlorophyll
content,
activation
antioxidant
defense
mechanisms,
modulation
hormonal
responses.
These
results
potential
agents
for
enhancing
mitigating
assesses
risks
using
agriculture.
Considerations
include
non-target
organisms,
soil,
environmental
impacts.
Further
needed
determine
long-term
effects,
dangers,
benefits
Nanoparticles
offer
targeted
improving
tolerance,
outpacing
traditional
methods
ethics
balance.
Their
mechanisms
range
nutrient
delivery
molecular
regulation.
However,
impact
remains
understudied.
critical
identifying
gaps
advancing
practices
amid
scarcity.
Crystals,
Год журнала:
2023,
Номер
13(3), С. 450 - 450
Опубликована: Март 4, 2023
Selenium
(Se)
is
a
nutritional
component
necessary
for
animal
and
plant
development
reproduction.
nanoparticles
(SeNPs)
have
high
absorption
rate
during
routine
supplementation.
In
the
current
study,
cell-free
extract
of
Aspergillus
terreus
was
used
as
reducing
stabilizing
agent
in
synthesis
SeNPs
using
green
eco-friendly
method.
The
mycosynthesized
were
characterized
by
UV-visible
spectrophotometry,
Fourier
transform
infrared
spectroscopy,
X-ray
diffraction
dynamic
light
scattering,
transmission
electron
microscopy,
scanning
microscopy.
results
characterization
process
showed
that
had
spherical
shapes
sizes
less
than
100
nm.
Results
exhibited
promising
antibacterial
activity
against
both
Gram-positive
Gram-negative
bacteria
where
inhibition
zones
14,
20,
16,
13
mm
toward
S.
haemolyticus,
aureus,
E.
coli,
K.
pneumoniae,
respectively.
However,
it
weak
antifungal
C.
albicans,
zone
12
mm.
efficacy
decolorization
malachite
dye
investigated.
illustrated
rapid
biodegradation
dye,
reaching
up
to
89%
after
240
min.
conclusion,
successfully
biosynthesized
A.
demonstrated
antimicrobial
photocatalytic
activities.
