Optimized green synthesis of silver nanoparticles from guarana seed skin extract with antibacterial potential
Green Processing and Synthesis,
Год журнала:
2025,
Номер
14(1)
Опубликована: Янв. 1, 2025
Abstract
This
study
optimizes
the
green
synthesis
of
silver
nanoparticles
(AgNPs)
using
seed
skin
extract
guarana
(
Paullinia
cupana
)
as
a
natural
stabilizing
and
reducing
agent.
Employing
Taguchi
design,
nine
experiments
were
conducted
across
three
levels
for
four
key
factors:
reaction
temperature,
pH,
nitrate
concentration,
concentration
to
minimize
AgNP
size.
Optimal
conditions
–
pH
11,
5
mM
nitrate,
50°C
1%
(m/v)
produced
quasi-spherical
AgNPs
with
an
average
size
∼26
nm.
Chemical
analysis
revealed
caffeine
main
organic
compound
potassium
oxide
primary
inorganic
component.
UV-vis
spectra
showed
absorption
peak
at
438
nm,
X-ray
diffraction
confirmed
typical
peaks.
Further
identified
polyphenols,
alkaloids,
flavonoids
agents.
A
high
(180.0
±
0.2
ppm)
was
through
ICP-OES,
demonstrated
significant
antibacterial
activity
against
Escherichia
coli
Staphylococcus
aureus
,
minimum
inhibitory
50
μg·mL
−1
.
underscores
sustainability
promising
alternative
traditional
nanoparticle
production
methods.
Язык: Английский
Multifaceted Roles of Biogenic Nanoparticles for Conferring Heavy Metal Tolerance in Plants
Deleted Journal,
Год журнала:
2025,
Номер
77(3)
Опубликована: Апрель 17, 2025
Язык: Английский
Green synthesis of Iron Oxide Nanoparticles using Momordica charantia: Kinetics of removal of heavy metal and microplastic pollutants
Regional Studies in Marine Science,
Год журнала:
2025,
Номер
unknown, С. 104189 - 104189
Опубликована: Апрель 1, 2025
Язык: Английский
Advanced Bioinspired Silver Nanoparticles Integrated into Polyherbal Gel for Enhanced Diabetic Foot Ulcer Regeneration
Biological Trace Element Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
Язык: Английский
Ultra-sensitive liquefied petroleum gas (LPG) sensor based on monometallic Ag nanospheres synthesized via microwave-assisted facile approach
Hybrid Advances,
Год журнала:
2024,
Номер
7, С. 100313 - 100313
Опубликована: Окт. 12, 2024
Язык: Английский
Effects of Silver Nanoparticles on Ctenopharyngodon idella: Synthesis, Characterization, Antibacterial Activity, and Toxicological Assessment
Microscopy Research and Technique,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 13, 2024
ABSTRACT
Currently,
nanotechnology
(NT)
and
nanoparticles
(NPs)
have
gained
significant
attention
in
the
scientific
field
due
to
their
diverse
application
history.
Particularly,
environmental
applications,
antibacterial
efficiency
fisheries
resistance.
However,
NPs
been
found
toxic
environment.
Therefore,
current
study
aimed
fabricate
less
using
environmentally
dried
leaves
check
efficacy
possible
toxicity
against
grass
carp.
The
findings
confirmed
good
dispersity
of
obtained
AgNPs,
which
further
showed
promising
activity
several
bacterial
isolates
including
Staphylococcus
with
a
zone
inhibition
(23.73
±
0.57
nm).
Also,
AgNPs
were
exposed
carp
(
Ctenopharyngodon
idella
)
for
effects.
First,
bioaccumulation
was
significantly
observed
gills
followed
by
intestines
muscles
p
<
0.05).
Finally,
mainly
accumulate
liver,
intestine,
gills,
muscles.
Additionally,
deposition
various
organs
resulted
histological
alteration
such
as
necrosis
infiltration
red
blood
cells
intestine
fusion
gill
lamella.
Hence,
synthesized
leaf
extract
could
be
approach
applied
science.
features
present
work
green
synthesis
can
help
synthesizing
materials.
Язык: Английский
Green Synthesis and Characterization of Silver Nanoparticles from Minthostachys acris Schmidt Lebuhn (Muña) and Its Evaluation as a Bactericidal Agent Against Escherichia coli and Staphylococus aureus
Micro,
Год журнала:
2024,
Номер
4(4), С. 706 - 720
Опубликована: Ноя. 20, 2024
The
search
for
new
synthesis
methodologies
based
on
the
principles
of
green
chemistry
has
led
to
various
studies
production
silver
nanoparticles
(AgNPs)
using
extracts
from
different
parts
plants.
Based
this,
present
study
aims
carry
out
(biosynthesis),
characterization,
and
antibacterial
evaluation
reduced
stabilized
with
aqueous
Minthostachys
acris
in
a
simple,
ecological,
environmentally
safe
manner.
extraction
process
organic
components
is
performed
two
methods:
immersion
agitation
leaves
Schmidt
Lebuhn
(Muña)
at
0.1%
times
(0.5,
1,
3,
6,
10
min).
Compounds
such
as
hydroxycinnamic
acid
derivatives,
quinic,
caffeic,
rosmarinic
acids,
flavonols
Muña
extract
facilitate
formation
AgNPs;
this
compounds
act
coating
stabilizing
agent.
bioactive
natural
resources
AgNPs,
partially
or
completely
replacing
contaminating
toxic
elements
chemical
reagents.
biosynthesis
carried
room
temperature
pH
7
8.
synthesized
AgNPs
are
characterized
by
UV-visible
spectroscopy
identify
surface
plasmon
resonance
(SPR)
band,
which
shows
an
absorption
peak
around
419
nm
423
p.H
8,
respectively,
Fourier-transform
infrared
(FTIR)
possible
biomolecules
responsible
bioreduction
stabilization,
1634
cm−1.
Dynamic
light
scattering
(DLS)
hydrodynamic
size
colloidal
between
11
200
nm,
scanning
electron
microscopy
(SEM)
reveals
monodisperse
morphologies,
mostly
nanospheres,
while
Laser-Induced
Breakdown
Spectroscopy
(LIBS)
demonstrates
presence
Ag
solution.
bactericidal
activity
disk
diffusion
method
against
Escherichia
coli
(E.
coli)
Staphylococus
aureus
(S.aureus)
that
have
effective
E.
obtained
6
min
both
methods,
respectively.
significance
work
lies
use
plants
obtain
rapid,
economical
way,
potential
applications
biomedical
fields.
Язык: Английский
Chitosan-Coated Silver Nanoparticles with Various Floral Honey Bioreductors: A Promising Nonalcoholic Hand Gel Sanitizer Formulation
Saidun Fiddaroini,
Kurnia Indu,
Luailik Madaniyah
и другие.
OpenNano,
Год журнала:
2024,
Номер
unknown, С. 100228 - 100228
Опубликована: Дек. 1, 2024
Язык: Английский
Effect of Metallic Nanoparticles on Cancer Cells: A Review on Plant Based Biosynthesis
Frontiers in Life Sciences and Related Technologies,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 29, 2024
:
Metal
nanoparticles
can
be
produced
using
various
methods,
including
the
green
synthesis
method,
which
is
known
for
being
environmentally
friendly,
cost-effective,
and
safe.
This
method
often
involves
use
of
plants,
contain
secondary
metabolites
that
provide
functional
properties
to
synthesized
particles.
It
worth
noting
cytotoxic
metal
this
their
anti-cancer
activity
evaluated
on
cell
lines.
study
examines
effect
by
from
plants
cancer
Specifically,
focus
MNPs
with
plants.
The
research
articles
last
10
years
were
evaluated,
a
total
17
studies
examined
within
scope.
article
provides
summary
plant
species
chemical
compounds
commonly
used
in
field
researchers.
Additionally,
it
compiles
reports
articles,
utilized,
lines,
corresponding
effects.
Язык: Английский