Sustainable Chemistry for the Environment,
Journal Year:
2024,
Volume and Issue:
6, P. 100086 - 100086
Published: March 29, 2024
The
current
study
focuses
on
the
synthesis
of
gold
nanoparticles
(AuNPs)
using
plum
peel
extract
obtained
by
deep
eutectic
solvent
(DES)
(Betaine-Urea
and
Choline
chloride-Urea).
Formation
mechanism
DESs
molecular
interactions
between
components
has
been
studied
quantum
chemical
methods.
have
used
for
obtaining
extracts
from
peel.
It
established
that
reducing
ability
is
higher
(489—580
mg
ASE/g
extract)
than
when
a
traditional
aqueous-alcohol
solution
(336
extract).
Gold
were
characterized
UV-vis
spectroscopy,
FTIR,
SEM-XRD
analysis.
size
AuNPs
was
found
to
be
5–10
nm
as
per
particle
analyzer,
zeta
potential
−46–47
mV.
scavenging
sample
ABTS
radical
determined
test.
synthesized
extracting
Cl-U
exhibited
significant
antioxidant
against
ABTS•+,
with
an
IC50
110
mg/mL.
For
first
time
in
cosmetic
product,
AgNPs
used.
creams
evaluated
their
organoleptic
characteristics,
physicochemical
properties,
vitro
antibacterial
activity
Escherichia
coli
Bacillus
subtilis.
Results
show
cream
0.5%
AuNp
increases
value
moisturizer
skin.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(20), P. 15397 - 15397
Published: Oct. 20, 2023
In
recent
years,
interest
in
nanotechnology
has
increased
exponentially
due
to
enhanced
progress
and
technological
innovation.
tissue
engineering,
the
development
of
metallic
nanoparticles
been
amplified,
especially
their
antibacterial
properties.
Another
important
characteristic
metal
NPs
is
that
they
enable
high
control
over
features
developed
scaffolds
(optimizing
mechanical
strength
offering
controlled
release
bioactive
agents).
Currently,
main
concern
related
method
synthesis
oxide
environmental
impact.
The
physical
chemical
uses
toxic
agents
could
generate
hazards
or
exert
carcinogenicity/environmental
toxicity.
Therefore,
a
greener,
cleaner,
more
reliable
approach
needed.
Green
synthetic
come
as
solution
counter
aforementioned
limitations.
Nowadays,
green
preferred
because
it
leads
prevention/minimization
waste,
reduction
derivatives/pollution,
use
non-toxic
(safer)
solvents.
This
not
only
biomass
sources
reducing
for
salts.
biomolecules
also
cover
synthesized
act
situ
capping
agents.
Further,
involvement
formation
process
reduces
toxicity,
prevents
nanoparticle
agglomeration,
improves
antimicrobial
activity
nanomaterial,
leading
possible
synergistic
effect.
study
aims
provide
comprehensive
review
nanoparticles,
from
routes,
selected
solvents,
parameters
latest
application
biomedical
field.
Journal of Functional Biomaterials,
Journal Year:
2022,
Volume and Issue:
13(4), P. 242 - 242
Published: Nov. 15, 2022
Currently,
nanoparticles
and
nanomaterials
are
widely
used
for
biomedical
applications.
In
the
present
study,
silver
(AgNPs)
were
successfully
biosynthesized
using
a
cell-free
extract
(CFE)
of
Bacillus
thuringiensis
MAE
6
through
green
ecofriendly
method.
The
size
AgNPs
was
32.7
nm,
their
crystalline
nature
confirmed
by
XRD,
according
to
characterization
results.
A
surface
plasmon
resonance
spectrum
obtained
at
420
nm.
Nanoparticles
further
characterized
DLS
FTIR
analyses,
which
provided
information
on
size,
stability,
functional
groups.
revealed
less
cytotoxicity
against
normal
Vero
cell
line
[IC50
=
155
μg/mL].
Moreover,
exhibited
promising
antifungal
activity
four
most
common
Aspergillus,
including
Aspergillus
niger,
A.
terreus,
flavus,
fumigatus
concentrations
500
μg/mL
where
inhibition
zones
16,
20,
26,
19
mm,
respectively.
addition,
MICs
125,
62.5,
15.62,
62.5
μg/mL,
Furthermore,
ultrastructural
study
effect
AgNPs,
wall's
integrity
homogeneity
lost;
membrane
had
separated
from
wall
intruded
into
cytoplasm.
conclusion,
CFE
B.
can
be
as
agent
species
causing
Aspergillosis.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Jan. 24, 2023
Novel
molybdenum
(Mo)-doped
nickel
oxide
(NiO)
Nanoparticles
(NPs)
were
synthesized
by
using
a
simple
sonochemical
methodology
and
the
NPs
investigated
for
antioxidant,
antibacterial
applications.
The
X-ray
diffraction
(XRD)
analysis
revealed
that
crystal
systems
of
rhombohedral
(21.34
nm)
monoclinic
(17.76
observed
pure
NiO
Mo-doped
respectively.
scanning
electron
microscopy
(SEM)
results
show
possess
irregular
spherical
shape
with
an
average
particle
size
93.89
nm
while
exhibit
morphology
85.48
nm.
ultraviolet-visible
(UV-Vis)
spectrum
further
indicated
exhibited
strong
absorption
band
at
wavelengths
365
349
nm,
free
radical
scavenging
activity
was
also
utilizing
several
biochemical
assays.
showed
better
antioxidant
(84.2%)
towards
ABTS.
+
200
µg/mL
in
comparison
to
their
counterpart
which
confirmed
not
only
potency
doped
than
but
this
efficacy
concentration
dependant
as
well.
evaluated
against
gram-positive
(Staphylococcus
aureus
Bacillus
subtilis)
gram-negative
(Pseudomonas
aeruginosa
Escherichia
coli)
bacterial
strains.
displayed
(25
mm)
E.
coli
NPs.
excellent
aptitude
multi-dimensional
Journal of Inorganic and Organometallic Polymers and Materials,
Journal Year:
2023,
Volume and Issue:
33(12), P. 3750 - 3759
Published: June 14, 2023
Abstract
This
work
aimed
at
the
green
synthesis
of
multifunctional
zinc
oxide
nanoparticles
(ZnO
NPs)
using
Solanum
Lycopersicum
(SL)
fruit
juice
to
act
as
antibacterial/cancer/UV
sunscreens.
The
obtained
ZnO
NPs
were
examined
for
optical
properties,
cytotoxicity
human
lung
fibroblast
(WI-38)
and
hepatocellular
carcinoma
(HePG2)
cell
lines,
antibacterial
activity
against
Gram-negative
Escherichia
coli
Gram-positive
Staphylococcus
aureus
.
antioxidant
in
vitro
sun
protection
factor
(SPF)
synthesized
carried
out
by
spectrophotometric
methods.
formation
pure
phase
structure
characteristic
functional
group
confirmed
XRD,
FTIR,
UV–Vis
diffuse
reflectance
analysis.
SEM
image
showed
that
have
a
quasi-spherical
shape
with
size
about
39
±
12
nm.
high
potency
sunscreens
(in
SPF
=
16.8)
mild
agents.
Notably,
enhanced
cytotoxic
cells
their
pathogenic
bacteria.
SL
can
play
triple
role
acting
solvent,
reducing
agent
stabilizer
which
facilitates
sunscreen
has
anti-carcinogenic
properties.
