African Journal of Biomedical Research,
Journal Year:
2024,
Volume and Issue:
unknown, P. 241 - 250
Published: Dec. 31, 2024
This
study
explores
the
biosynthesis
of
zinc
(Zn)
and
titanium
(Ti)
nanoparticles
(NPs)
using
HG
seed
extract
as
a
reducing
stabilizing
agent.
The
synthesis
was
initially
evidenced
by
visible
colour
change,
indicative
metal
ion
reduction
nanoparticle
formation.
UV-Vis
spectroscopy
confirmed
presence
Zn
TiNPs
through
distinct
SPR
peaks
at
270
nm
320
nm,
respectively.
SEM
revealed
spherical
with
sizes
ranging
from
135–225
for
NPs
84.2–138
TiNPs,
while
TEM
provided
high-resolution
insights,
confirming
their
uniform
morphology
crystalline
nature.
FTIR
identified
bioactive
compounds,
including
proteins
phenolics,
involved
in
stabilization,
showcasing
role
natural
capping
agents.
HG-mediated
green
process
produced
desirable
size,
morphology,
stability,
demonstrating
its
efficiency
eco-friendliness.
highlights
potential
sustainable
alternative
synthesis,
broad
applications
biomedicine,
environmental
remediation,
nanotechnology.
Digest Journal of Nanomaterials and Biostructures,
Journal Year:
2025,
Volume and Issue:
20(1), P. 327 - 339
Published: April 14, 2025
The
unique
properties
of
nano-sized
metal
oxide
particles
differ
from
those
their
bulk
counterparts,
and
they
have
numerous
biomedical
applications,
particularly
in
innovative
cancer
treatments
involving
Reactive
Oxygen
Species
(ROS)
production.
This
study
utilized
Ag-doped
TiO2
nanoparticles
(NPs),
with
Ag
concentrations
ranging
5%
to
20%,
assess
cytotoxicity
on
human
liver
cells
(HepG2).
Characterization
results
revealed
that
the
doping
did
not
alter
brookite
rutile
phases
NPs,
although
band
gap
decreased
as
concentration
increased.
In
addition,
cytotoxic
activity
was
improved
high
levels
which
are
owing
enhanced
optical
factor.
findings
recommend
NPs
encourage
effect
HepG2
cells.
Frontiers in Sustainable Food Systems,
Journal Year:
2024,
Volume and Issue:
8
Published: Oct. 31, 2024
Researchers
have
repeatedly
emphasized
how
urgently
we
to
decrease
the
massive
nitrogen
fertilizer
consumption
support
agricultural
productivity
and
maintain
a
sustainable
ecosystem.
Using
chitosan
(CS)
as
carrier
for
slow
release
is
considered
potential
tool
reducing
synthetic
improving
crop
productivity.
Therefore,
two
field
experiments
were
arranged
in
randomized
complete
block
design
investigate
effects
of
seven
treatments
including
exogenous
application
chitosan-based
NPK
nano-structure
(Ch/NPs-NPK)
on
growth,
productivity,
nutrient
uptake
traits
rice
worldwide
strategy
during
2022
2023
growing
seasons.
The
experimental
were:
T1
=
full
recommended
(recommended
urea,
superphosphate,
potassium
sulfate;
control
treatment),
T2
70%
+
Ch/NPs-NPK
100
ppm,
T3
T1+
200
T4
300
T5
30%
T6
T7
ppm.
results
revealed
that
(i.e.,
NPK+
ppm)
(full
NPK)
resulted
highest
most
significant
growth
yield
well
grain
contents
compared
other
treatments.
combining
with
ppm
an
can
be
smart
choice
fertilizers
by
paddy
fields
without
producing
decline
terms
characteristics,
or
when
applying
NPK.
Loquens,
Journal Year:
2024,
Volume and Issue:
11(1-2), P. e107 - e107
Published: Nov. 21, 2024
El
presente
trabajo
tiene
como
objetivo
la
descripción
y
análisis
de
prosodia
las
preguntas
absolutas
reiterativas
del
Páramo
leonés
en
el
contexto
variedades
lingüísticas
románicas
que
presentan
un
contorno
entonativo
descendente
para
este
tipo
oraciones.
Se
ha
elaborado
analizado
corpus
formado
por
74
oraciones
interrogativas
procedentes
11
informantes
naturales
Bajo
mediante
sistema
anotación
prosódica
Sp_ToBI.
En
se
tenido
una
atención
especial
al
comportamiento
movimiento
F0
relación
duraciones
entre
sílabas
posición
final
medial.
estudio
concluye
los
patrones
ascendente-descendentes
(¡H*
L%
L+H*
HL%)
son
mayoritarios
región
estudiada
no
atestiguan
ascendentes
prototípicos
español
estándar.
Además,
hay
tendencia
alargamiento
última
sílaba
interrogativas,
resulta
muy
relevante
configuración
nuclear
H+L*
L%.
