Journal of King Saud University - Science,
Год журнала:
2022,
Номер
35(1), С. 102455 - 102455
Опубликована: Ноя. 17, 2022
Recently,
numerous
plant-based
synthesis
techniques
have
been
used
to
develop
metal
nanoparticles.
The
current
study
uses
the
medicinal
plant
extract
of
couroupita
guianensis
(CG)
petals
create
biogenic
silver
nanoparticles
in
an
environmentally
friendly
manner.
Different
techniques,
including
ultraviolet–visible
spectroscopy
(UV–vis),
Fourier
Transformation
Infrared
(FTIR),
X-ray
diffraction
(XRD),
and
Dynamic
Light
Scattering
(DLS)
analysis,
are
evaluate
synthesized
From
XRD
results
confirm
emergence
nanosilver
crystalline
arrangement
with
characteristic
peaks
at
glancing
angles
38.04°,
44.22°,
64.40°,
77.37°.
UV–vis
displays
spectral
absorption
λmax
=
282
nm
shows
formation
Images
produced
Ag
NPs
taken
a
scanning
electron
microscope
(SEM)
show
creation
flower-shaped
particles.
functional
behavior
flavones,
triterpenoids,
polyphenols
belonging
has
observed
by
ensuring
their
selective
absorptions
FTIR
analysis
had
substantial
antibacterial
effect
on
Gram-positive
(B.
subtilis)
Gram-negative
(Escherichia
coli)
bacteria
general.
It
is
found
become
effective
when
symbiotic
flower
for
enhancing
properties.
This
composite
product
gives
new
cost-effective
formulation
more
therapeutic
possibilities.
wide
open
avenues
research
possibilities
lot
future
scopes.
photocatalytic
degradation
efficiency
CG-Ag
methylene
blue
(MB)
dye
was
evaluated
under
visible
light
irradiation
indications
material
applications.
Journal of King Saud University - Science,
Год журнала:
2022,
Номер
34(3), С. 101831 - 101831
Опубликована: Янв. 15, 2022
An
efficient
synthesis
of
Ni
doped
CuO
nanoparticles
were
carried
out
by
hydrothermal
method.
The
prepared
material
was
subjected
to
X-ray
diffraction
(XRD),
the
morphological
characteristics
system
studied
scanning
electron
microscope
(SEM)
technique.
FTIR
spectra
have
confirmed
establishment
nanoparticles.
Optical
absorption
measured
using
UV–vis
spectroscopy
and
photoluminescence
(PL)
studies.
A
thorough
examination
frequency
dependent
dielectric
constant
reveals
unique
impact
various
polarizations.
According
magnetic
experiments,
produced
had
a
maximal
moment
value
5.0
wt%
for
Nps.
All
above
analysis
grain
size
found
calculated
pure
CuO,
incorporated
respectively.
Journal of King Saud University - Science,
Год журнала:
2022,
Номер
34(4), С. 101939 - 101939
Опубликована: Март 5, 2022
Nanoparticles
produced
from
biological
sources
are
gaining
a
lot
of
attention
these
days,
and
they
have
wide
spectrum
uses.
The
fact
that
it
is
both
environmentally
benign
the
key
reason
for
its
widespread
popularity.
Our
current
study
uses
green
approach
to
describe
production
characterisation
silver
nanoparticles
made
conventional
leaf
extract.
antibacterial
antidiabetic
performance
prepared
with
plant
extracts
such
as
Tabernaemontana
divaricate,
Basella
alba,
Allium
fistulosum
also
assessed
in
this
study.
Scanning
Electron
Microscopy
(SEM),
Transmission
Microscope
(TEM)
was
utilized
characterise
shape
morphology
nanoparticles.
Silver
sizes
40
nm,
50
nm
57
were
observed
solid
block-like,
rod-like
structure.
AgNPs
show
bactericidal
action
towards
gram-positive
-negative
microbes,
according
vitro
investigations.
Both
antioxidant
activity
suggest
nanoparticle
has
good
ability
inhibit
enzymes
so
could
act
alternative
drug.
