Oxidative stress-induced cytotoxicity of HCC2998 colon carcinoma cells by ZnO nanoparticles synthesized from Calophyllum teysmannii
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Дек. 4, 2024
The
field
of
green
synthesis,
namely
using
plant
extracts
for
the
production
metal
nanoparticles,
is
rapidly
gaining
traction.
Therefore,
this
study
investigated
process
producing
zinc
oxide
nanoparticles
(ZnO
NPs)
a
water-based
extract
derived
from
stem
bark
Calophyllum
teysmannii.
Notably,
first
documented
utilization
particular
source.
presence
distinct
Ultraviolet-Visible
(UV-Vis)
absorption
peak
at
372
nm
provided
evidence
creation
ZnO
nanoparticles.
X-ray
Diffractometer
(XRD)
and
Field
Emission
Scanning
Electron
Microscopy
(FESEM)
investigations
indicated
that
exhibited
sizes
ranging
31.5
to
59.9
had
spherical
morphologies.
Energy
Dispersive
(EDX)
analysis
verified
elemental
composition
whereas
Fourier
Transform
Infrared
(FTIR)
spectra
showed
clear
peaks,
demonstrating
their
production.
FTIR
examination
C.
teysmannii
revealed
peaks
around
3370
cm−
1,
indicating
phenolic
compounds.
These
chemicals
are
likely
responsible
reduction
stabilization
NPs.
high-resolution
Photoelectron
Spectroscopy
(XPS)
clearly
separate
corresponding
Zn
2p
O
1s,
providing
confirmation
chemical
states
bonding
contexts.
Raman
425
cm⁻¹,
confirming
wurtzite
structure.
harmful
effects
on
HCC2998
(a
kind
human
colon
cancer)
Vero
type
monkey
kidney
epithelial)
cells
were
evaluated
3-(4,
5-dimethylthiazolyl-2)-2,
5-diphenyltetrazolium
bromide
(MTT),
dichlorodihydrofluorescein
diacetate
(DCFH-DA),
boron-Dipyrromethene
(BODIPY)
assays.
cancer
underwent
cell
death
due
oxidative
stress
in
dose-dependent
manner,
as
confirmed
by
microscopic
flow
cytometry
investigations.
Язык: Английский
Green synthesis of zinc oxide nanoparticles via Zingiber officinale/PEG biopolymer blend matrix: Optimization, physicochemical characterization, antioxidant and photocatalytic activity
Materials Science and Engineering B,
Год журнала:
2025,
Номер
317, С. 118240 - 118240
Опубликована: Март 23, 2025
Язык: Английский
Visible-light-induced dehydrogenation of dihydroquinolinones via the combination of energy transfer and hydrogen atom transfers
Organic Chemistry Frontiers,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
A
visible-light-induced
dehydrogenation
of
dihydroquinolinones
was
developed
using
photocatalyst
thioxanthone
(TX)
and
oxidant
tert
-butyl
benzoperoxoate.
Язык: Английский