Materials Science for Energy Technologies,
Journal Year:
2020,
Volume and Issue:
3, P. 853 - 861
Published: Jan. 1, 2020
Mixed
metal
oxide
nanocomposites
(rare
earth-based)
have
become
irreplaceable
and
tend
to
display
great
functioning
in
all
kinds
of
arenas
like
as
photocatalytic,
electrochemical,
biological.
NiO-CGSO
[NiO-Ce0.8Gd0.2O2-δ–Ce0.8Sm0.2O2-δ]
nanomaterial
was
produced
by
the
wet-chemical
route
for
numerous
purposes.
The
development
(FCC)
face-centered
cubic
structure
confirmed
there
no
derivative
phase
observed
XRD.
Metal-Oxygen
bond
revealed
FTIR
analysis.
morphology
elemental
composition
sample
were
carried
out
using
SEM
with
EDAX.
optical
bandgap
prepared
nanocomposite
studied
UV–Vis
spectroscopy.
Electrochemical
behaviour
at
conditions,
voltage
(1.3
V),
frequency
(42
Hz–5
kHz).
Photocatalytic
antibacterial
behavior
also
investigated.
It
found
that
this
novel
composite
catalyst
decomposed
92%
toxic
pollutants
from
wastewater.
Further,
composites
showed
superior
performance
against
aeromonas
hydrophila,
E.
coli,
S.
epidermis
bacterial
pathogens.
Green Processing and Synthesis,
Journal Year:
2020,
Volume and Issue:
9(1), P. 304 - 339
Published: June 18, 2020
Abstract
Metal
nanoparticles
(MNPs)
and
metal
oxide
(MONPs)
are
used
in
numerous
fields.
The
new
nano-based
entities
being
strongly
generated
incorporated
into
everyday
personal
care
products,
cosmetics,
medicines,
drug
delivery,
clothing
to
impact
industrial
manufacturing
sectors,
which
means
that
nanomaterials
commercialization
nano-assisted
device
will
continuously
grow.
They
can
be
prepared
by
many
methods
such
as
green
synthesis
the
conventional
chemical
methods.
Green
includes
infinite
accession
produce
MNPs
MONPs
with
demanding
properties.
structure–function
relationships
between
key
information
for
life
cycle
evaluation
lead
production
of
high
execution
nanoscale
materials
gentle
environmentally
friendly.
Majority
plants
have
features
sustainable
renewable
suppliers
compared
microbes
enzymes,
they
ability
pick
up
almost
75%
light
energy
transform
it
energy,
contain
chemicals
like
antioxidants
sugars,
play
fundamental
roles
manufacture
nanoparticles.
Plants
considered
main
factory
MONPs,
until
now,
different
plant
species
been
study
this,
but
determined
conditions
should
taken
consideration
execute
this
preparation.
In
study,
we
focus
on
biosynthesis
procedures
synthesize
including
comparison
classical
chemistry
well
several
orientation
from
parts,
especially
leaf
extracts.
reducing
compounds
is
preferred
choice
noble
metals
–
ions
reduced
corresponding
absence
any
other
under
microwave
irradiation
using
benign
solvent,
water.
Noble
gold
(Au),
silver
(Ag),
platinum
(Pt),
palladium
(Pd)
copper
(Cu)
nickel
(Ni),
characterized
their
optical,
electronic,
mechanical,
magnetic,
properties,
leading
technological
applications.
agents
suitable
candidates
MNPs.
purpose
research
give
a
background
nanotechnology
prospective
evolution,
pertinent
concerns
appeared
related
extracts,
nanoparticle
formation
mechanism,
importance
flavonoids,
vitamin
B
2
,
ascorbic
acid
(vitamin
C),
phenolic
MNP
MONP
production.
traditional
sorghum
beers
produced
countries
Africa,
diversity
process
may
depend
geographic
localization.
These
very
rich
calories;
B-group
vitamins
thiamine,
folic
acid,
riboflavin,
nicotinic
acid;
essential
amino
acids
lysine.
However,
Western
more
attractive
than
beers.
poor
hygienic
quality,
organoleptic
variations,
shorter
shelf
Many
studies
carried
out
documented
African
countries,
microbiological
biochemical
technologies
processes,
synthetic
characteristics
(ikigage,
merissa,
doro,
dolo,
pito,
amgba,
tchoukoutou).
excellent
resources
greener
biomaterials
considerable
advances
achieved
fields
biotechnology
gene
transfer.
manufactured
biological
great
application
pharmaceutical
industry
novel
pharmaceuticals
preparation,
delivery
personification
procedures,
functional
nanodevices.
Green Chemistry Letters and Reviews,
Journal Year:
2018,
Volume and Issue:
11(2), P. 125 - 134
Published: March 14, 2018
Grass
waste
was
used
for
transform
an
inexpensive
into
health.
Silver
nanoparticles
(AgNPs)
have
been
synthesized
using
material
(dried
grass).
The
average
size
of
silver
observed
in
transmission
electron
images
estimated
to
be
about
15
nm.
anticancer,
antifungal
and
antibacterial
effect
AgNPs
were
studied
vitro.
minimum
inhibitory
concentration
against
Pseudomonas
aeruginosa
Acinetobacter
baumannii
calculated
3
µg/ml.
highest
level
Fusarium
solani
close
90%
at
a
20
μg/ml
AgNPs.
An
on
the
cancer
cell
growth
is
reach,
by
increasing
5
µg/ml;
cells'
survival
decreases
30%.
Western
results
showed
that
expression
Cyclin
D1
protein
MCF-7
line
decreased
after
treatment
with
effective
Applied Organometallic Chemistry,
Journal Year:
2019,
Volume and Issue:
33(8)
Published: May 28, 2019
In
the
present
report,
Nickel
oxide
nanoparticles
(NiONPs)
were
synthesized
using
Rhamnus
virgata
(Roxb.)
(Family:
Rhamnaceae)
as
a
potential
stabilizing,
reducing
and
chelating
agent.
The
formation,
morphology,
structure
other
physicochemical
properties
of
resulting
NiONPs
characterized
by
Ultra
violet
spectroscopy,
X‐ray
diffraction
(XRD),
Fourier
Transform
Infrared
analysis
(FTIR),
Scanning
electron
microscopy
(SEM),
Energy‐dispersive‐spectroscopy
(EDS),
Transmission
(TEM),
Raman
spectroscopy
dynamic
light
scattering
(DLS).
Detailed
in
vitro
biological
activities
revealed
significant
therapeutic
for
NiONPs.
antimicrobial
efficacy
biogenic
was
demonstrated
against
five
different
gram
positive
negative
bacterial
strains.
Klebsiella
pneumoniae
Pseudomonas
aeruginosa
(MIC:
125
μg/mL)
found
to
be
least
susceptible
Bacillus
subtilis
31.25
most
strain
Biogenic
reported
highly
potent
HepG2
cells
(IC
50
:
29.68
μg/ml).
Moderate
antileishmanial
activity
Leishmania
tropica
(KMH
23
)
promastigotes
10.62
μg/ml)
amastigotes
27.58
cultures
are
reported.
cytotoxic
studied
brine
shrimps
their
IC
value
recorded
43.73
μg/ml.
For
toxicological
assessment,
compatible
towards
human
RBCs
>
200
macrophages
μg/ml),
deeming
particles
safe
various
applications
nanomedicines.
antioxidant
activities:
total
capacity
(TAC)
(51.43%),
2,2‐diphenyl‐1‐picrylhydrazyl
(DPPH)
(70.36%)
power
(TRP)
(45%)
addition,
protein
kinase
alpha
amylase
inhibition
assays
also
performed.
Our
results
concluded
that
could
find
important
biomedical
with
low
cytotoxicity
normal
cells.
Nano Express,
Journal Year:
2020,
Volume and Issue:
1(3), P. 030028 - 030028
Published: Nov. 5, 2020
Abstract
Zinc
Oxide
(ZnO)
nanoparticles
were
synthesized
by
hydrothermal
method
under
different
conditions
and
studied
various
properties.
FTIR
studies
proved
the
presence
of
ZnO
bonding
purity
samples.
Grain
size
was
found
to
be
decreased
with
increase
reaction
temperature
increased
time.
TEM
images
show
formation
nanorods
same
temperature,
also
nanoflowers
nanospheres
for
temperatures.
Intensity
luminescence
peaks
is
changed
variation
in
interplanar
spacing.
UV–vis
spectra
helped
identify
photon
absorption
particles
bigger
size.
Change
bandgap
value
observed
due
difference
nanoparticles.