Physica Scripta,
Journal Year:
2023,
Volume and Issue:
98(11), P. 115525 - 115525
Published: Oct. 10, 2023
Abstract
Seed-mediated
growth,
a
straightforward
technique
with
low
reaction
temperature
and
cost,
was
used
to
create
multi-functional
core/shell
nanoparticles
(CdTe@FeOOH).
X-Ray
Diffraction
(XRD),
High-resolution
transmission
electron
microscopy
(HTEM),
Energy-dispersive
x-ray
(EDX),
Fourier-transform
infrared
techniques
(FT-IR),
Differential
Thermal
Analysis
(DTA)
were
utilized
study
the
structure
composition
of
as-prepared
CdTe@FeOOH
quantum
dots
(QDs).
Photoluminescence
(PL)
properties
(Core/Shell)
in
an
aqueous
solution
studied
by
steady-state
time-resolved
PL
spectroscopy.
The
lifetime
QDs
reduced
as
consequence
quenching.
This
results
transfer
mechanism
being
efficient,
which
reduces
electron–hole
recombination
core–shell
composite.
utilization
nanospheres
this
nature
presents
numerous
potentialities
for
applications
field
photocatalysis.
Microbial Cell Factories,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Feb. 7, 2025
Abstract
Background
Nowadays,
researchers
are
attracted
to
the
phyco-synthesis
of
selenium
nanoparticles
(SeNPs)
for
biotechnological
and
medical
applications
as
they
possess
many
advantages
such
safety,
nutritional
value,
easy
biodegradation
than
gold,
copper,
silver
nanoparticles.
Spirulina
platensis
is
preferred
microalgae
SeNPs
synthesis
because
it
contains
compounds
that
increase
their
stability
making
them
fit
biomedical
treatments.
Results
The
biosynthesized
(SP-SeNPs)
were
spherical
crystalline,
with
a
diameter
65
nm
net
charge
-16.7
mV.
Furthermore,
surrounded
by
active
groups
responsible
stability.
DPPH
radical
scavenging
test
assessed
antioxidant
efficacy
SP-SeNPs
exposed
inhibition
79.234%
at
100
µM
dosage.
ABTS
H
2
O
assay
dose-dependent
recording
IC50
50.69
116.18
µg/ml,
respectively.
antibacterial
was
investigated
against
13
G-negative
&
G-positive
bacteria.
study
demonstrated
had
antibiofilm
efficiencies
tested
strains
MBC
286–333
µg/ml.
highest
percentages
biofilm
recorded
Bacillus
subtilis
Klebsiella
pneumoniae,
ratios
78.8
69.9%,
prepared
SP-SeNPS
efficiently
suppressed
fungi
growth
MIC
(350
µg/ml)
MFCs
(480–950
µg/ml).
Most
notably,
biogenic
effectively
extended
clot
formation
period
170.4
S
prothrombin
time
(PT)
195.6
activated
partial
thromboplastin
(aPTT).
reduced
cell
viability
breast
adenocarcinoma
(MCF-7)
ovarian
cancer
(SKOV-3)
lines
percentage
17.6009%
14.9484%
concentration
ug/ml,
Moreover,
could
alleviate
inflammation
in
RAW
264.7
macrophages
reduction
8.82%
Nitric
oxide
concentration.
Conclusion
investigation
findings
reveal
hopeful
antimicrobial,
anti-tumor,
anticoagulant,
antioxidant,
anti-inflammatory
factor
can
be
applied
cures.
