E3S Web of Conferences,
Год журнала:
2024,
Номер
588, С. 01017 - 01017
Опубликована: Янв. 1, 2024
This
study
explores
the
potential
of
Zinc
Oxide
(ZnO)
nanoparticles
as
fillers
in
ramie
fiber
reinforced
epoxy
composites
to
develop
materials
that
align
with
sustainable
development
goals.
We
systematically
varied
ZnO
nanoparticle
content
across
three
distinct
samples
are
5g,
10g,
and
15g
investigate
their
effects
on
mechanical
thermal
properties
composites.
Mechanical
testing
included
tensile,
flexural,
impact
strength
assessments,
while
stability
was
evaluated
through
analysis.
Additionally,
Scanning
Electron
Microscopy
(SEM)
employed
analyze
microstructural
changes
induced
by
varying
concentrations.
Preliminary
results
indicate
increasing
concentration
enhances
both
composites,
suggesting
a
reinforcing
effect
polymer
matrix.
The
sample
displayed
most
significant
improvement
performance,
confirming
create
more
durable
thermally
stable
materials.
Polymers for Advanced Technologies,
Год журнала:
2025,
Номер
36(3)
Опубликована: Март 1, 2025
ABSTRACT
The
development
of
hydrogel
wound
dressings
that
facilitate
rapid
healing
is
a
complex
task,
primarily
due
to
the
necessity
integrating
multiple
functional
attributes,
including
air
permeability,
adhesion,
antibacterial
efficacy,
and
biocompatibility.
In
this
study,
we
employed
fatty
acid‐modified
carboxymethyl
chitosan
(CMCS)
fabricate
multifunctional
dressing.
This
dressing
exhibits
adjustable
hydrophobicity,
robust
mechanical
properties,
potent
activity,
with
polyacrylamide
(PAM)
tannic
acid
(TA)
serving
as
primary
constituents.
study
demonstrated
incorporation
hydrophobic
structures
significantly
enhanced
tensile
strength,
compressive
adhesive
capacity
hydrogels.
addition,
release
curve
TA
showed
acids
played
vital
role
in
enhancing
properties
hydrogels,
which
may
increase
TA.
Furthermore,
length
carbon
chain
has
significant
effect
on
hydrogel.
summary,
TA/(C14‐g‐CMCS)/PAM
excellent
can
effectively
prevent
bleeding,
accelerate
closure,
promote
tissue
regeneration.
Therefore,
TA/(FA‐g‐CMCS)/PAM
hydrophobicity
expected
be
best
candidate
for
accelerating
promoting
regeneration
skin
tissue.
Colorants,
Год журнала:
2024,
Номер
3(4), С. 269 - 281
Опубликована: Окт. 21, 2024
(1)
Background:
This
work
evaluated
the
optical
characterization
of
aqueous
fluorescent
chitosan-based
carbon
dots
(or
nanoparticles
CNPs)
embedded
in
natural
dye
for
potential
functional
packaging
applications.
Chitosan-based
materials
are
nontoxic,
biodegradable,
biocompatible,
bactericidal,
and
produced
from
renewable
polymer
sources.
Anthocyanins
pigments
different
colors
with
a
large
range
applications,
such
as
bioindicators
biomonitoring;
(2)
Methods:
The
CNPs
were
synthetized
solutions
using
chitosan
source.
was
extracted
leaves
Tradescantia
pallida
Purpurea
solutions.
fluorescence
quantum
efficiency
(η)
lifetime
(τ)
determined
mode-mismatched
pump–probe
thermal
lens
(TL)
technique
time-resolved
lifetimes
(TRFL)
measurements,
respectively;
(3)
Results:
η
τ
measured
solution
at
concentrations
(5.2,
12.09,
21.57
mass
percentage
composition).
photophysical
parameters
obtained
compared
those
other
synthesized
sources,
leaves,
seeds,
protein;
(4)
Conclusions:
Fluorescence
spectra
measurements
corroborate
TL
results,
relatively
high
values
CNP
dye.
E3S Web of Conferences,
Год журнала:
2024,
Номер
588, С. 01018 - 01018
Опубликована: Янв. 1, 2024
The
integration
of
nanotechnology
into
natural
maintainability
hones
speaks
to
a
essential
progression
in
our
journey
for
greener
future.
This
survey
article,
“Nano-Innovations
Greener
Future:
Investigating
the
Crossing
point
Nanotechnology
and
Natural
Maintainability,”
investigates
transformative
applications
over
different
spaces,
counting
vitality
generation,
contamination
control,
asset
administration.
We
dig
most
recent
headways
nano-enhanced
sun
powered
cells,
wind
turbines,
capacity
arrangements
that
increment
productivity
diminish
costs.
audit
too
looks
at
nanotechnology’s
part
moderation
through
imaginative
nano-sensors
nano-adsorbents,
which
offer
tall
accuracy
proficiency
evacuating
poisons
from
discuss,
water,
soil.
Besides,
we
talk
about
application
squander
administration
agribusiness,
highlighting
nano-fertilizers
nano-pesticides
optimize
utilize
minimize
impacts.
Looking
ahead,
article
recognizes
key
challenges
future
inquire
bearings,
emphasizing
require
economical
nano-manufacturing
forms
comprehensive
administrative
systems
saddle
complete
potential
progressing
maintainability.
investigation
underscores
critical
benefits
nano-innovations
can
give,
setting
arrange
considerable
environmental
enhancements
interest
supportability.
E3S Web of Conferences,
Год журнала:
2024,
Номер
588, С. 03024 - 03024
Опубликована: Янв. 1, 2024
This
study
investigates
the
effects
of
copper
oxide
(CuO)
particles
on
mechanical
and
thermal
properties
kenaf
fibre
reinforced
epoxy
composites,
suggesting
a
new
material
suitable
for
structural
applications.
Comprehensive
tests,
including
Thermogravimetric
Investigation
(TGA),
weakness
testing,
Checking
Electron
Microscopy
(SEM),
were
conducted
to
evaluate
performance
enhancements
provided
by
incorporation
CuO.
The
TGA
has
revealed
that
CuO
significantly
enhance
stability
composites.
Among
many
sample
C
(6g
CuO)
highest
resistance,
retaining
17%
its
weight
at
500°C,
which
is
higher
than
other
tests.
fatigue
testing
demonstrated
composites
exhibited
remarkable
particularly
Test
C,
maintained
stress
14
MPa
even
after
15,000
cycles,
indicating
superior
durability
under
cyclic
loading
circumstances.
SEM
detailed
microstructural
observations,
showing
consistent
distribution
strong
bonding
between
fibres
matrix,
resistance
failure.
