Fabrication of multifunctional ZnO@tannic acid nanoparticles embedded in chitosan and polyvinyl alcohol blend packaging film
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Авг. 9, 2024
The
current
study
explores
biodegradable
packaging
materials
that
have
high
food
quality
assurance,
as
deterioration
is
mostly
caused
by
UV
degradation
and
oxidation,
which
can
result
in
bad
flavor
nutrition
shortages.
Thus,
new
multifunctional
zinc
oxide
nanoparticles/tannic
acid
(ZnO@TA)
with
antioxidant
antibacterial
activities
were
incorporated
into
polyvinyl
alcohol/chitosan
(PVA/CH)
composite
films
different
ratios
(1%,
3%,
5%
based
on
the
total
dry
weight
of
film)
via
a
solution
blending
method
neutral
aqueous
solution.
Additionally,
ZnO
nanoparticles
unique
mechanisms
through
generation
excessive
reactive
oxygen
species
(ROS)
may
lead
to
intensify
pathogen
resistance
conventional
agents.
minimizing
negative
effects
levels
ROS
be
possible
developing
unique,
potential
coordination
bond
between
tannic
(ZnO@TA).
ZnO@TA
examined
using
Fourier-transform
infrared
(FTIR),
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM).
effect
incorporation
barrier,
mechanical,
thermal,
antioxidant,
antimicrobial,
blocking
characteristics
chitosan/polyvinyl
alcohol
(ZnO@TA@CH/PVA)
was
investigated.
lowest
water
vapor
permeability
maximum
capacity%
are
31.98
±
1.68
g
mm/m
Язык: Английский
Tailoring the Optical, Electrical, and Dielectric Characteristics of PEG/PVA Blends by Integrating MWCNTs to Enhance the Performance of Advanced Energy Storage Devices
ACS Applied Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 27, 2025
Язык: Английский
Influence of Nanoparticle Content and Cross-Linking Degree on Functional Attributes of Calcium Alginate-ZnO Nanocomposite Wound Dressings
Membranes,
Год журнала:
2025,
Номер
15(4), С. 108 - 108
Опубликована: Апрель 1, 2025
Alginate-ZnO
nanoparticles
(ZnOnano)
composite
wound
dressing
membranes
were
prepared
with
two
different
ZnOnano
concentrations
(0.03
and
0.20
g
ZnO/g
sodium
alginate)
cross-linked
calcium
treatments
(low
high
Ca++concentration)
to
evaluate
the
influence
of
nanoparticle
content
cross-linking
degree
on
membrane
attributes.
addition
did
not
significantly
alter
mechanical
properties,
water
vapor
permeability,
swelling
in
alginate
amorphous
nature
nanocomposite
membranes.
The
increase
degree,
other
hand,
altered
microstructure
membranes,
increased
tensile
strength
reduced
permeability
presence
granted
them
antibacterial
activity
vitro
against
Pseudomonas
aeruginosa
Staphylococcus
aureus
substantially
absorption
capacity
phosphate
buffer
fetal
bovine
serum
solutions,
validating
their
potential
use
as
dressings.
Язык: Английский
Sustainable chitosan-based biomaterials for the future: a review
Amritha Radhakrishnan,
Unnikrishnan Gopalakrishna Panicker
Polymer Bulletin,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 11, 2024
Язык: Английский
Synergistic enhancement of electrical and ionic conductivity in polyvinyl alcohol/polyvinylpyrrolidone‑copper/lithium titanate oxide electrolyte nanocomposite films for Li-ion battery applications
Abdu Saeed,
Amal Mohsen Alghamdi,
Maha A. Alenizi
и другие.
Journal of Energy Storage,
Год журнала:
2024,
Номер
104, С. 114534 - 114534
Опубликована: Ноя. 15, 2024
Язык: Английский
Linear and Nonlinear Optical Characteristics of Basic Fuchsin-Doped Polyvinyl Alcohol Films for Flexible Optoelectronics
ECS Journal of Solid State Science and Technology,
Год журнала:
2024,
Номер
13(12), С. 124001 - 124001
Опубликована: Дек. 2, 2024
Polyvinyl
alcohol
(PVA)
containing
different
levels
of
basic
fuchsine
(BF)
was
prepared
using
the
solution
casting
method.
Characterization
via
Fourier-transform
infrared
spectroscopy
detailed
changes
in
functional
groups
within
PVA/BF
composites,
indicating
hydrogen
bonding
between
OH
group
PVA
and
BF
molecules.
Optical
investigations
spanning
190–2500
nm
range
demonstrated
UV
blocking
properties
composites
(from
2.05
to
2.56
eV
from
4.08
6.32
eV).
Moreover,
studies
on
optical
band
gap
indicated
a
decrease
with
increased
concentrations,
reflecting
altered
electronic
transitions
composites.
The
study
also
employed
single
oscillator
model
provided
by
Wemple-DiDomenico
elucidate
refractive
index
variations.
After
incorporating
dye
into
polymer,
values
dielectric
constant
as
frequency
approaches
infinity
(
ε
∞
),
lattice
L
dispersion
energy
(E
d
o
)
composite
samples
showed
an
increase.
nonlinear
properties,
including
susceptibility
were
investigated
discussed.
These
findings
underscore
versatility
doped
for
various
applications
filters,
solar
cell
devices.
Язык: Английский