Molecules,
Journal Year:
2025,
Volume and Issue:
30(8), P. 1664 - 1664
Published: April 8, 2025
This
study
focused
on
synthesizing
polyvinyl
alcohol
(PVA)
utilizing
glutaraldehyde
(GA)
as
a
crosslinking
agent
and
silicon
dioxide
(SiO2)
nanopowder
with
titanium
(TiO2)
to
reduce
or
prevent
the
hydrophilic
property
of
PVA.
Integrating
SiO2
TiO2
into
PVA
boosted
hydrophobicity,
thermal
properties,
self-cleaning
film.
The
characteristic
properties
PVA/GA,
PVA/SiO2/GA,
PVA/SiO2/TiO2/GA
nanocomposites
polymer
membranes
were
investigated
by
gel
content,
swelling
capacity,
Fourier
transform
infrared
(FTIR)
spectroscopy,
X-ray
diffraction
patterns
(XRD),
scanning
electron
microscope
(SEM),
gravimetric
analysis
(TGA),
contact
angle.
resulting
PVA/5%SiO2/1%TiO2/GA
nanocomposite
exhibits
much
better
physical
than
PVA/GA
hydrogel
(water
absorbency
from
3.1
g/g
0.07
angel
0°
125°).
In
addition,
retains
very
low
properties.
These
prepared
are
promising
in
variety
applications
such
sand
soil
stabilizers,
construction,
building
works
where
they
exhibit
excellent
water
resistance
performance.
introduces
novel
approach
for
creating
hydrophobic
polymeric
materials
stabilize
sandy
effectively.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 31, 2025
Nanotechnology
has
witnessed
remarkable
advancements
in
recent
years,
capturing
considerable
attention
diverse
biomedical
applications.
Using
the
green
precipitation
method,
this
study
aims
to
synthesize
and
characterize
chitosan/polyvinyl
alcohol-copper
oxide
nanocomposites
(CS/PVA/CuONCs)
using
Anacardium
occidentale
plant
fruit
extract.
The
CS/PVA/CuONCs
were
further
evaluated
antioxidant,
antibacterial
biological
activities.
In
our
results,
UV-Vis
spectrum
analysis
of
revealed
a
peak
at
430
nm.
FTIR
analyses
confirmed
presence
different
functional
groups,
while
XRD
crystalline
structure
synthesized
nanocomposites.
FESEM-EDAX
demonstrated
that
exhibited
spherical
rod-like
shape,
with
an
average
particle
size
48.6
96.2
Notably,
higher
antioxidant
activity,
as
evidenced
by
their
ABTS
activity
(83.79
±
1.57%)
SOD
(86.17
1.28%).
assays,
inhibition
Escherichia
coli
20.52
0.85
mm
Bacillus
subtilis
19.64
0.87
mm,
displaying
zone
inhibition.
excellent
anti-inflammatory
potency
against
COX-1
(67.10
0.58%)
COX-2
(76.39
0.65%).
antidiabetic
assay
α-amylase
(80.25
1.29%)
α-glucosidase
(84.74
1.42%)
Anti-cholinergic
AChE
was
65.35
0.98%
BuChE
82.46
1.15%
are
observed.
shown
have
strong
cytotoxicity
MCF-7
cell
lines.
It
also
had
highest
viability
inhibition,
13.66
0.58%.
hemolysis
found
be
5.38
0.34%.
Overall,
possess
remarkably
