Green Synthesis of Silver Nanoparticles Using Paullinia cupana Kunth Leaf Extract Collected in Different Seasons: Biological Studies and Catalytic Properties
Pharmaceutics,
Год журнала:
2025,
Номер
17(3), С. 356 - 356
Опубликована: Март 10, 2025
Background:
Paullinia
cupana
Kunth,
popularly
known
as
guarana,
a
native
Amazonian
shrub
cultivated
by
the
Sateré-Mawé
ethnic
group,
has
been
used
in
traditional
medicine
for
various
purposes,
including
stimulant
and
therapeutic
actions,
due
to
its
chemical
composition,
which
is
rich
bioactive
compounds.
This
study
explored
reductive
potential
of
guarana
with
nanobiotechnology
aimed
synthesize
silver
nanoparticles
(AgNPs)
using
aqueous
extract
leaves
collected
during
dry
rainy
seasons,
assessing
their
biological
catalytic
activities.
Methods:
The
AgNPs
were
synthesized
water
bath
at
70
°C
three
hours
then
characterized
techniques
such
UV-Vis
spectroscopy,
DLS,
zeta
potential,
MET,
NTA,
EDX
had
effects
on
systems
assessed
vitro,
well
tests
indicating
probable
influence
time
when
plant
material
was
properties
nanostructures.
Results:
an
average
diameter
between
39.33
126.2
nm,
spherical
morphology,
absorption
bands
410
450
high
colloidal
stability
over
two
years.
results
showed
antibacterial
activity
against
all
species
tested,
remarkable
antioxidant
action
DPPH
ABTS
free
radicals,
same
way
leaf
extracts
P.
cupana,
addition
cytotoxic
cancerous
(A431
A549)
non-cancerous
(HaCaT
HNTMC)
cells.
active
promastigote
forms
Leishmania
(Leishmania)
amazonensis
while
not
affecting
viability
macrophages,
from
LC50
LC90
values,
more
effective
than
metal
salt
solution
controlling
Aedes
aegypti
larvae
pupae.
We
also
reported
that
degradation
organic
dyes
methylene
blue
(MB)
methyl
orange
(MO)
90%
after
40
or
14
min,
respectively.
Conclusions:
Thus,
our
support
seasonal
produce
diverse
application
possibilities
health,
industrial,
environmental
sectors.
Язык: Английский
Eco-friendly Synthesis of Iron Oxide Nanoparticles Using Parietaria alsinifolia Extracts and Evaluation of Biological Applications
Applied Biochemistry and Biotechnology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 3, 2025
Язык: Английский
Green synthesis of ZnO nanoparticles from the extract of Cymbopogon olivieri and investigation of their antimicrobial and anticancer effects
Deleted Journal,
Год журнала:
2025,
Номер
7(3)
Опубликована: Март 3, 2025
Язык: Английский
Harnessing the power of inorganic nanoparticles for the management of TNBC
International Journal of Pharmaceutics,
Год журнала:
2025,
Номер
unknown, С. 125333 - 125333
Опубликована: Фев. 1, 2025
Язык: Английский
Bioactive Compounds, Antimicrobial Properties of Açaí (Euterpe oleracea Mart.) and its Processing Residues – Insights for Smart Packaging and Green Chemistry
Biocatalysis and Agricultural Biotechnology,
Год журнала:
2025,
Номер
unknown, С. 103540 - 103540
Опубликована: Фев. 1, 2025
Язык: Английский
Microwave-assisted green synthesis of zinc oxide nanoparticles using pistia stratiotes for anticancer and antibacterial applications
Materials Research Express,
Год журнала:
2024,
Номер
11(8), С. 085004 - 085004
Опубликована: Авг. 1, 2024
Abstract
Green
synthesis
techniques
have
recently
become
more
popular
due
to
the
expanding
interest
in
nanotechnology
and
need
for
ecologically
friendly
processes.
This
work
examines
environment
production
of
Zinc
Oxide
Nanoparticles
(ZnO
NPs)
by
a
microwave-assisted
technique,
utilizing
Pistia
Stratiotes
leaf
extract
as
reducing
agent.
The
optical
structural
properties
produced
ZnO
NPs
were
analyzed
using
UV–vis
spectroscopy,
Fourier
Transform
Infrared
Spectroscopy
(FTIR),
Transmission
Electron
Microscopy
(TEM),
Scanning
(SEM),
x-ray
Diffraction
(XRD).
findings
indicated
that
displayed
shapes
consisting
spherical,
flower
sheet,
with
an
average
size
35
nm
which
was
verified
SEM
TEM.
XRD
examination
confirmed
presence
hexagonal
wurtzite
crystalline
structure,
while
FTIR
analysis
identified
distinct
peak
at
578
cm
−1
,
indicates
stretching
mode
Zn-O
bonds.
antibacterial
antifungal
substance
evaluated
against
Staphylococcus
Aureus,
Escherichia
Coli
Candida
Albicans
.
results
demonstrated
notable
effectiveness,
inhibition
zones
measuring
16–20.4
mm,
17–21.3
13–17.2
mm
correspondingly.
In
addition,
exhibited
specific
anti-cancer
effects
on
SK-MEL-28
melanoma
cell
lines,
IC
50
value
51.05
μg
ml
suggesting
potential
uses
therapy.
study
demonstrates
feasibility
green
create
favorable
characteristics
biomedical
purposes,
particular
focus
sustainable
manufacturing
nanomaterials.
indicate
these
show
great
application
antibacterial,
antifungal,
anticancer
therapies,
leading
developments
field
medical
nanotechnology.
Язык: Английский