BMC Chemistry,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: Oct. 19, 2024
The
regulatory
role
of
zinc
in
bone
formation
extends
to
the
activation
proteins
associated
with
homeostasis.
Furthermore,
copper
is
well
known
for
its
antibacterial
properties.
This
dual
function
underscores
significance
and
maintaining
a
balance
structure
function.
In
light
aforementioned,
sulphide/copper
oxide
nanocomposites
were
created
this
instance
using
straightforward
coprecipitation
technique.
Copper
was
used
as
nanocomposite
improve
structural,
morphological,
biological
performance
sulphide
nanoparticles.
X-ray
diffraction
pattern
confirmed
transformation
crystal
from
cubic
rhombohedral,
along
increase
intensity.
Fourier
transforms
infrared
analysis
indicated
presence
functional
groups.
Scanning
electron
microscopy
images
demonstrated
morphological
shift
non-uniform
distinct
spherical
nanoparticles,
impacting
enhancement
material
pathogenic
activity
tested
against
nine
bacterial
strains.
antimicrobial
testing,
showed
promising
results,
particularly
Klebsiella
pneumoniae
(zone
inhibition:
14
mm
at
100
µg/mL
compared
7
by
standard)
Escherichia
coli
11
10
after
24
h
zone
inhibition
matching
or
exceeding
that
standard
(chloramphenicol).
Zinc
nanoparticles
evaluated
their
antifungal
fungal
stains
Trichophyton
rubrum,
Aspergillus
niger,
flavus.
After
24-h
period,
it
discovered
effective
flavus
19.4
6.3
all
concentrations
(25–100
mg/mL),
zones
identical
greater
than
those
(fluconazole).
Certainly,
based
on
these
could
be
materials
drug
delivery.
Clinical
trial
registration:
Not
applicable.
International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 22, 2025
Abstract
Unique
magnetically
recoverable
copper/zinc-doped
hematite
nanoparticles,
were
synthesized
by
using
a
co-precipitation
process
with
polymer
polyvenylpyrodine
and
an
aqueous
extract
of
the
Azadirachta
indica
plant
serving
as
capping
stabilizing
agent.
Hematite
nanoparticles
are
most
stable
form
iron
oxide
at
room
temperature,
presented
work
concentrated
on
effects
comparisons
chemically
green
doped
materials
that
serve
dual
role
reducing
agents:
supporting
biomedical
application
catalyzing
environmental
cleanup
through
photocatalysis.
The
prepared
characterized
X-ray
diffraction,
UV–vis
spectroscopy,
Fourier-transform
infrared
Raman
vibrating-sample
magnetometry,
scanning
electron
microscopy,
transmission
microscopy
techniques
to
examine
produced
material.
average
grain
size
for
was
found
be
13.33–19.90
nm
based
diffraction
measurements.
spectroscopy
spectrum
demonstrates
function
biomolecules
in
nanoparticles.
ferrimagnetic
character
demonstrated
Vibrating-sample
magnetometer
investigation
showed
dependence
300
K.
According
phytochemical
study,
A.
has
components
enhance
its
photocatalytic
antioxidant
activity.
In
comparison,
chemical/green
noticeably
higher
activity
oxidative
breakdown
hazardous
organic
dyes
Rhodamine
blue
Congo
red.
Additionally,
photocatalyst
displayed
outstanding
stability
reaction.
Radical
scavenger
assays
2,2-diphenyl-1-picrylhydrazyl
2,2′-Azino-bis
(3-ethylbenzothiazoline-6-sulfonic
acid)
used
measure
capability.
Based
assay,
bran
husk
fractions
levels
This
research
is
regarded
novel
step
production
particular
biological
characteristics
wide
use
environmental,
agricultural
areas.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: April 11, 2025
This
article
presents
a
new
process
for
in
situ
synthesizing
barium
sulfate/tetraethoxysilane
(TEOS)
core-shell
(BaSO4@SiO2)
and
sulfate/zeolitic
imidazolate
framework-8
(ZIF-8)
nanocomposite
(BaSO4@ZIF-8).
The
patterns
obtained
from
the
X-ray
Diffraction
(XRD)
analysis
compounds
BaSO4,
SiO2,
ZIF-8
showed
orthorhombic,
monoclinic,
cubic
phases
space
groups
Pnma,
C12/c1
Pn-3
m.
Furthermore,
confirmation
of
synthesis
these
was
achieved
through
application
Fourier
Transform
Infrared
(FTIR)
spectroscopy.
Field
emission
scanning
electron
microscopy
(FESEM)
images
spherical
morphology
with
uniform
distribution.
photocatalytic
efficacy
BaSO4@SiO2
BaSO4@ZIF-8
assessed
terms
their
capacity
to
degrade
Methylene
blue
(MB)
dye
(10-5
M),
resulting
degradation
percentages
95.9%
98.57%
after
120
min,
respectively.
In
present
study,
cellular
toxicity
investigated
on
B16-F0
cell
line,
IC50
values
were
232.2
537.5
µg/mL
Physica Scripta,
Journal Year:
2024,
Volume and Issue:
99(10), P. 105960 - 105960
Published: Aug. 23, 2024
Abstract
This
research
focuses
on
developing
environmentally
friendly
and
economically
viable
Co/Ni-doped
hematite
nanoparticles
(HNPs)
through
both
chemical
green
synthesis
methods
evaluated
their
potential
for
biomedical
environmental
applications.
The
employs
polyvinylpyrrolidone
(PVP),
while
the
approach
utilizes
Azadirachta
indica
(
A.
)
leaf
extract
as
a
stabilizing
agent.
HNPs
are
crystalline
size
ranging
from
14
to
21
nm,
morphology
analysis
revealed
that
NPs
exhibited
quasi-spherical,
with
an
average
particle
15.98
25.91
dopants
confirmed
contain
by
XPS
spectra.
VSM
study
explains
magnetic
parameters,
coactivity,
residual
magnetism,
magnetization.
plants
quinones,
saponins,
glycosides,
alkaloids,
flavonoids.
Characterization
of
reveals
optimized
enhanced
photocatalytic
activity.
These
exhibit
remarkable
93%–95%
degradation
UV-reactive
dyes
(methyl
orange
methylene
blue)
within
90
min,
attributed
structural
surface
modifications
improve
light
absorption
enhance
charge
separation.
concludes
green-synthesized
outperform
chemically
synthesized
counterparts
superior
photocatalysts.
Additionally,
antioxidant
evaluations
using
2,2-diphenyl-1-picrylhydrazyl
(DPPH)
nitric
oxide
(NO)
assays
suggest
significant
capabilities.
A
high
scavenging
activity
percentage,
83%
88%,
was
observed,
which
increased
higher
concentrations
making
these
suitable
applications
require
system.
In
this
study,
IC
50
values
against
DPPH/NO
assay
were
calculated
be
18.33
μg
ml
−1
16.09
,
respectively.
highlights
multifunctional
properties
HNPs,
addressing
demand
tailored
inorganic
minimal
ecological
impact.
