Molecules,
Journal Year:
2024,
Volume and Issue:
30(1), P. 134 - 134
Published: Dec. 31, 2024
Malic
acid-derived
polyamides,
polyhydrazides,
and
hydrazides
exhibit
strong
potential
for
a
variety
of
biological
applications.
This
study
demonstrates
the
synthesis
cobalt,
silver,
copper,
zinc,
iron
particles
by
facile
chemical
reduction
approach
utilizing
malic
as
stabilizing
reducing
agents.
Comprehensive
characterization
was
performed
using
UV-Vis
spectroscopy,
FTIR,
XRD,
SEM,
EDX
analysis.
The
synthesized
included
both
zero-valent
metals
oxides
exhibiting
mixed-phase
compositions
that
may
influence
their
functional
properties.
UV-vis
analysis
confirmed
formation
represented
surface
plasmon
resonance
(SPR)
peaks
specific
to
each
metal
particle.
FTIR
spectroscopy
revealed
interaction
with
polymer
matrix
owing
significant
contribution
groups
in
processes
stabilization.
Further
structural
insights
were
obtained
via
X-ray
diffraction
(XRD),
which
identified
crystalline
phases,
scanning
electron
microscopy
(SEM),
demonstrated
uniform
morphologies.
Additionally,
energy-dispersive
(EDX)
provided
compositional
details,
affirming
purity
distribution
metallic
elements.
These
findings
highlight
polymers
versatile
agents
nanoparticle
applications
catalysis,
sensing,
biomedical
technologies.
ACS Omega,
Journal Year:
2025,
Volume and Issue:
10(7), P. 7181 - 7193
Published: Feb. 14, 2025
This
research
examines
the
environmentally
benign
manufacture
of
zinc
oxide
nanoparticles
employing
a
crude
extract
from
Murraya
koenigii
leaves
as
capping
and
reducing
agent.
The
considerable
peak
synthesized
(ZnO
NPs)
was
observed
at
335
nm,
functional
groups
plant
active
metabolites
to
reduce
evaluate
shape
elemental
compositions
were
analyzed
using
UV–vis
spectroscopy,
FT-IR,
SEM,
EDX
analysis,
respectively.
average
size
(27.26
nm)
validated
by
XRD
Debye–Scherrer's
equation.
Zinc
assessed
for
their
efficiency
in
seed
priming,
photocatalytic
degradation,
antibacterial
activity,
antioxidant
abilities.
biosynthesized
utilized
significantly
enhancing
germination
rate
(90%),
shoot
length
(5.46
cm),
root
(15.13
cm)
concentration
150
ppm
comparison
control.
Further,
effect
methyl
orange
(MO)
methylene
blue
(MB)
dyes
on
%
growth
hybrid
pearl
millet
studied
vitro.
MO
MB
had
shown
approximately
15
46%
reduction
Additionally,
remarkable
degradation
94.45%
against
85.99%
orange.
also
effective
Escherichia
coli
Staphylococcus
aureus
bacteria,
with
zones
inhibition
0.45
0.35
cm
100
mg/mL
concentration.
Furthermore,
higher
activity
DPPH
80
μg/mL.
present
finding
highlights
potential
sustainable
approach
agriculture,
environmental
remediation,
biological
sciences.
Open Chemistry,
Journal Year:
2025,
Volume and Issue:
23(1)
Published: Jan. 1, 2025
Abstract
A
high-efficiency
photocathode
for
green
hydrogen
generation
from
sanitation
water
without
the
use
of
a
sacrificial
agent
has
been
fabricated
using
bismuthyl
chloride/poly-
o
-chlorobenzeneamine
(BiOCl/P
O
CBA)
core–shell
nanocomposite
with
inclusion
additional
bismuth
oxide
(Bi
2
3
)
material.
This
combination
results
in
highly
promising
composite
excellent
optical
properties.
The
nanocrystalline
size
is
evaluated
at
15
nm.
exhibits
strong
photon
absorbance
across
most
spectrum
and
features
bandgap
2.1
eV.
application
BiOCl/P
CBA
gas
was
tested
three-electrode
cell
immersed
water,
which
acts
as
self-sacrificing
agent.
study
conducted
under
various
light
conditions,
produced
photocurrent
measured
0.016
mA
cm
−2
.
sensitivity
this
by
testing
current
density
(
J
ph
different
energies
ranging
2.3
to
3.6
varied
significantly
these
energies,
−0.024
−0.019
,
respectively.
When
energy
decreased
1.7
eV,
reduced
−0.018
Given
its
great
stability,
potential
mass
production,
eco-friendly
nature,
candidate
industrial-scale
production
renewable
water.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(7), P. 559 - 559
Published: April 5, 2025
This
study
explores
the
use
of
silver
nanoparticles
(Ag
NPs)
and
zinc
oxide
(ZnO
NPs),
either
singly
or
in
combination,
for
nanoremediation
aquaculture
wastewater.
Aquaculture
wastewater
was
treated
with
varying
doses
Ag
NPs
ZnO
across
following
six
groups:
Group
1
(0.05
mg
NPs/L),
2
(1
3
NPs/L
+
4
(0.025
0.5
5
(0.1
a
control
group.
Water
quality,
microbial
loads
nanomaterial
concentrations
were
assessed
over
ten
days.
Transmission
electron
microscopy
(TEM)
showed
average
particle
sizes
102.5
nm
110.27
NPs.
The
removal
efficiencies
NH4-N
98%
treatment
groups.
In
addition,
COD
33.33%,
68.82%,
49.59%,
61.49%,
37.65%.
log-reductions
aerobic
plate
counts
nanoparticle-treated
1.191,
1.947,
1.133,
1.071,
0.087,
compared
to
reduction
0.911
untreated
Silver
ranged
from
0.0079
0.0192
mg/L,
while
0.3040
0.9740
indicating
that
ZnO-NPs
represent
sustainable
method
Nanoscale Advances,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
ZnO
nanoparticles
were
produced
using
Morinda
citrifolia
fruit
extract
and
evaluated
for
their
performance
in
the
removal
of
Congo
red
(CR)
dye
under
visible
light,
as
well
antibacterial
activity
against
different
pathogenic
strains.
The
photocatalyst
was
characterized
according
to
crystallinity,
surface
elements
morphology.
Various
factors
related
photocatalytic
activity,
namely
contact
time,
dosage,
initial
CR
concentration,
pH,
investigated.
Under
optimal
conditions,
a
moderate
loading
achieved
high
degradation
efficiency
95.23%
within
60
min
light
irradiation,
determined
response
methodology
(RSM)
coupled
with
face-centered
design
(CCF).
Additionally,
scavenger
study
confirmed
that
superoxide
radicals
(˙O2
-)
holes
(h+)
major
reactive
species
photodegradation
CR.
Furthermore,
remarkable,
highest
inhibition
zone
measuring
20.7
mm
Salmonella
typhimurium.
This
provides
promising
approach
developing
highly
efficient
photocatalysts
strong
adsorption
capabilities
whilst
also
broadening
application
agents.
