Coatings,
Journal Year:
2024,
Volume and Issue:
14(7), P. 848 - 848
Published: July 6, 2024
Metal
and
metal
oxide
nanoparticles
are
gaining
traction
in
inorganic
catalysis
photocatalysis,
driving
the
development
of
eco-friendly
methods.
This
study
introduces
an
cost-effective
approach
for
synthesizing
Al2O3
(NPs)
using
extracts
derived
from
leaves
Calligonum
comosum
L.
The
primary
objective
this
investigation
is
to
assess
photocatalytic
efficacy
synthesized
catalyst
addressing
organic
pollutants.
NPs
exhibit
a
spherical
morphology
with
crystalline
arrangements,
as
evidenced
by
average
crystallite
size
25.1
nm
XRD
analysis.
band
gap
energy
determined
be
2.86
eV.
In
terms
mechanical
properties,
show
significant
potential
enhancing
both
flexural
compressive
thereby
making
them
viable
choice
improving
performance
composites.
Notably,
Young’s
modulus
hybrid
composite
(comprising
plant
material
NPs)
exhibits
remarkable
increase
34.4%
flexion
78.3%
compression
compared
alone.
catalytic
evaluated
methylene
blue
(MB)
cationic
dye
Rose
Bengal
(RB)
anionic
dye.
Impressively,
demonstrate
degradation
efficiencies
98.2%
MB
90.5%
RB.
processes
occur
under
solar
light
irradiation,
contact
time
120
m,
maintained
pH
7,
temperature
25
°C.
found
that
promising,
cost-effective,
environmentally
friendly
option
water
treatment.
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.
Applied Organometallic Chemistry,
Journal Year:
2025,
Volume and Issue:
39(4)
Published: March 11, 2025
ABSTRACT
This
study
investigates
the
sustainable
synthesis
and
applications
of
α‐Fe₂O₃@ZnO
nanocomposites
derived
using
Laurus
nobilis
leaf
extract
as
a
natural
reducing
agent,
promoting
eco‐friendly
material
development
for
environmental
remediation.
XRD
analysis
confirmed
formation
nanocomposite
with
crystallite
size
21.48
nm,
while
SEM
revealed
porous
structure
uniformly
distributed
particles
ranging
from
20
to
50
nm.
FTIR
spectroscopy
identified
characteristic
Fe‐O
Zn‐O
bonds,
ensuring
nanocomposite's
purity.
Optical
showed
direct
indirect
bandgap
energies
2.80
1.16
eV,
respectively,
highlighting
its
excellent
optical
properties.
The
demonstrated
remarkable
photocatalytic
efficiency,
achieving
96.3%
degradation
Brilliant
Cresyl
Blue
(BCB)
dye
95.88%
Rose
Bengal
(RB)
within
120
min
under
sunlight
irradiation.
followed
first‐order
kinetics,
rate
constants
0.0241
−1
BCB
0.01875
RB.
exhibited
reusability,
maintaining
93.5%
efficiency
after
five
cycles,
structural
stability
throughout
repeated
use.
These
results
underscore
multifunctional
potential
green‐synthesized
dye‐contaminated
wastewater
treatment,
contributing
technologies.
ChemistrySelect,
Journal Year:
2025,
Volume and Issue:
10(3)
Published: Jan. 1, 2025
Abstract
The
pursuit
of
environmentally
sustainable
and
potent
antimicrobial
agents
has
spurred
the
investigation
innovative
nanocomposite
materials,
leading
to
development
cefazolin‐loaded
magnesium
oxide/polyethylene
glycol
(CFZ@MgO/PEG
NC)
nanocomposites.
This
research
encompasses
biosynthesis
using
Laurus
nobilis
L.
extract,
resulting
in
nanocomposites
with
a
size
distribution
approximately
35
nm.
XRD
analysis
revealed
an
average
crystallite
37
±
0.9
nm
for
CFZ@MgO/PEG
NC.
antibacterial
efficacy
demonstrated
dose‐dependent
inhibition
zones,
NC
achieving
zones
19
mm,
14.5
14
mm
against
Pseudomonas
aeruginosa
,
Escherichia
coli
Staphylococcus
aureus
respectively,
at
5
mM
concentration.
In
vivo
toxicity
studies
albino
rats
indicated
changes
biochemical
parameters,
such
as
increase
urea
levels
0.75
0.12
mmol/L
creatinine
5.55
0.3
µmol/L
400
µg/mL
dosage.
MgO/PEG
exhibited
notable
anticoagulant
properties,
comparable
EDTA,
emphasizing
its
potential
blood
coagulation
management.
These
findings
highlight
promising
agent,
therapeutic
applications
requiring
careful
dosage
optimization
mitigate
toxicity.
