Polymer Composites,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 24, 2025
Abstract
This
study
develops
and
characterizes
epoxy‐based
nanocomposites
reinforced
with
titanium
dioxide
(TiO₂)
carboxyl‐functionalized
multi‐walled
carbon
nanotubes
(MWCNT‐COOH)
to
improve
mechanical
durability
under
accelerated
aging.
Four
configurations:
neat
epoxy
(NE),
E+0.1C
(0.1
phr
MWCNT‐COOH),
E+2
T
(2
TiO₂),
+
2
(binary
nanocomposite)
were
fabricated
using
magnetic
stirring,
ultrasonication,
vacuum
degassing.
Samples
underwent
continuous
ultraviolet
(UV)
exposure
4‐h
moisture
cycles
following
8‐h
intervals.
Mechanical
tests,
including
Vickers
hardness
(H
V
)
micro‐scratch
evaluations,
performed
before
aging
after
132
264
h,
along
absorption
assessments.
Microstructural
chemical
analyses
energy
dispersive
X‐ray
(EDX)
Fourier
transform
infrared
(FTIR)
evaluated
nanofiller
dispersion
filler–matrix
interactions.
After
the
binary
nanocomposite
exhibited
a
0.78%
weight
increase
versus
0.89%
for
NE
maintained
approximately
9%
higher
H
at
differences
becoming
insignificant
by
h.
For
scratch
length
of
5
mm,
coefficient
friction
(CoF)
hours
stabilized
0.29
constant
loading
0.22
progressive
both
samples.
However,
samples
an
initial
spike
in
CoF,
which
was
not
observed
The
morphology
scratched
done
scanning
electron
microscope
(SEM)
supported
numerical
results.
Overall,
it
that
demonstrated
optimum
properties
lowest
prolonged
Highlights
TiO₂
MWCNT‐COOH
effects
on
surface
are
investigated.
Aging
is
UV
radiation
up
analysis
carried
out
this
study.
Binary‐modified
showed
optimal
Findings
support
use
extreme
environments
commercial
applications.
Pharmaceuticals,
Journal Year:
2023,
Volume and Issue:
16(10), P. 1410 - 1410
Published: Oct. 4, 2023
Metal
nanoparticles
(NPs)
have
garnered
considerable
attention,
due
to
their
unique
physicochemical
properties,
that
render
them
promising
candidates
for
various
applications
in
medicine
and
industry.
This
article
offers
a
comprehensive
overview
of
the
most
recent
advancements
manufacturing,
characterization,
biomedical
utilization
metal
NPs,
with
primary
focus
on
silver
gold
NPs.
Their
potential
as
effective
anticancer,
anti-inflammatory,
antimicrobial
agents,
drug
delivery
systems,
imaging
agents
diagnosis
treatment
variety
disorders
is
reviewed.
Moreover,
translation
therapeutic
settings,
issue
inclusion
clinical
trials,
are
assessed
light
over
30
investigations
concentrate
administering
either
or
NPs
conditions
ranging
from
nosocomial
infections
different
types
cancers.
paper
aims
not
only
examine
biocompatibility
nanomaterials
but
also
emphasize
challenges
may
limit
safe
integration
into
healthcare
practices.
More
than
100
nanomedicines
currently
market,
which
justifies
ongoing
study
use
medicine.
Overall,
present
review
highlight
innovative
therapeutics
field
biomedicine,
citing
some
relevant
current
applications.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: April 21, 2024
Abstract
In
this
research,
different
Co
2+
doped
ZnO
nanoparticles
(NPs)
were
hydrothermally
synthesized
by
an
environmentally
friendly,
sustainable
technique
using
the
extract
of
P.
capillacea
for
first
time.
Co-ZnO
was
characterized
and
confirmed
FTIR,
XPS,
XRD,
BET,
EDX,
SEM,
TEM,
DRS
UV–Vis
spectroscopy,
TGA
analyses.
Dislocation
density,
micro
strains,
lattice
parameters
volume
unit
cell
measured
XRD
results.
suggests
that
average
size
these
NPs
between
44.49
65.69
nm
with
a
hexagonal
wurtzite
structure.
Tauc
plot
displayed
optical
energy
bandgap
(3.18)
slowly
declines
doping
(2.96
eV).
Near
complete
removal
ciprofloxacin
(CIPF)
antibiotic
attained
Green
5%
Hy-Co-ZnO
in
existence
visible
LED
light
which
exhibited
maximum
degradation
efficiency
(99%)
within
120
min
30
ppm
CIPF
initial
concentration.
The
photodegradation
mechanism
followed
Pseudo-first-order
kinetics.
improved
photocatalytic
performance
toward
3
cycles.
experiments
designed
RSM
(CCD)
method
selected
such
as
catalyst
dosage,
shaking
speed,
pH.
maximal
(96.4%)
achieved
under
optimum
conditions
39.45
60.56
mg
177.33
rpm
speed
pH
7.57.
