Cytotoxic Effects of ZnO and Ag Nanoparticles Synthesized in Microalgae Extracts on PC12 Cells
Marine Drugs,
Journal Year:
2024,
Volume and Issue:
22(12), P. 549 - 549
Published: Dec. 4, 2024
The
green
synthesis
of
silver
(Ag)
and
zinc
oxide
(ZnO)
nanoparticles
(NPs),
as
well
Ag/Ag2O/ZnO
nanocomposites
(NCs),
using
polar
apolar
extracts
Chlorella
vulgaris,
offers
a
sustainable
method
for
producing
nanomaterials
with
tunable
properties.
impact
the
environment
nanomaterials’
characteristics
on
cytotoxicity
was
evaluated
by
examining
reactive
species
production
their
effects
mitochondrial
bioenergetic
functions.
Cytotoxicity
assays
PC12
cells,
cell
line
originated
from
rat
pheochromocytoma,
an
adrenal
medulla
tumor,
demonstrated
that
Ag/Ag2O
NPs
synthesized
(Ag/Ag2O
A)
P)
exhibited
significant
cytotoxic
effects,
primarily
driven
Ag+
ion
release
disruption
function.
However,
it
is
more
likely
organic
content,
rather
than
size,
influenced
anticancer
activity,
commercial
Ag
NPs,
despite
smaller
crystallite
sizes,
exhibit
less
effective
activity.
ZnO
P
showed
increased
oxygen
(ROS)
generation,
correlated
higher
cytotoxicity,
while
A
produced
lower
ROS
levels,
resulting
in
diminished
effects.
comparative
analysis
revealed
differences
LD50
values
toxicity
profiles.
Differentiated
cells
resistance
to
ZnO,
AgNPs
Ag/Ag2O-based
materials
had
similar
both
types.
This
study
emphasizes
crucial
role
bioactive
compounds
C.
vulgaris
modulating
nanoparticle
surface
chemistry,
cytotoxicity.
results
provide
valuable
insights
designing
safer
biomedical
applications,
especially
targeting
tumor-like
exploring
relationships
between
polarity,
capping
agents,
nanocomposite
structures.
Language: Английский
How can membrane lipid constituency be manipulated to produce liposomes with desired functions?
Travis Issler,
No information about this author
Sonja Lisowski,
No information about this author
Kianmehr Farzi
No information about this author
et al.
Nanomedicine,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 3
Published: Feb. 24, 2025
Language: Английский
Green biosynthesis of titanium dioxide nanoparticles incorporated gellan gum hydrogel for biomedical application as wound dressing
Ying Su,
No information about this author
Xiaoxue Zhu,
No information about this author
Guangqi Xu
No information about this author
et al.
Frontiers in Chemistry,
Journal Year:
2025,
Volume and Issue:
13
Published: April 17, 2025
Titanium
dioxide
nanoparticles
(TiO
2
NPs)
are
widely
synthesized
chemically
for
industrial
applications.
However,
these
methods
often
have
negative
environmental
impacts,
rendering
them
unsuitable
biomedical
Green
synthesis
approaches
offer
a
promising
alternative
due
to
their
simplicity,
friendliness,
and
cost-effectiveness.
In
this
study,
we
report
the
biosynthesis
of
TiO
NPs
using
Morus
alba
leaf
extract
subsequent
incorporation
into
gellan
gum
(GG)
biopolymer
create
hydrogel.
The
physicochemical
properties
biosynthesized
NP@GG
hydrogel
were
characterized
Fourier-transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy-dispersive
(EDS),
photoelectron
(XPS).
Furthermore,
bioactivity
materials
was
investigated
through
antibacterial
assays
against
Staphylococcus
aureus
Escherichia
coli
,
as
well
in
vitro
wound
healing
studies
3T3
fibroblast
scratch
assay.
XRD
analysis
confirmed
successful
formation
anatase
phase
.
SEM
images
revealed
presence
irregular
rod-shaped
nanoparticles,
with
EDS
confirming
composition
oxygen
titanium.
particle
size
determined
be
80–90
nm,
exhibited
homogeneous
distribution
throughout
network.
displayed
significant
activity
both
S.
E.
assay
on
cells
seeded
onto
demonstrated
high
cell
survival
rate
enhanced
migration,
suggesting
potential
applications
dressing
material.
Language: Английский