BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
145, P. 02006 - 02006
Published: Jan. 1, 2024
Oak
is
an
important
tree
species,
playing
a
fundamental
role
in
many
forest
ecosystems.
Obtaining
high-quality
oak
planting
material
actual
issue
biotechnology.
The
most
promising
method
for
this,
vitro
micropropagation,
faces
number
of
problems
that
can
be
overcome
using
nanobiotechnological
approach.
In
our
work,
we
obtained
flaky
copper
oxide
nanoparticles
with
particle
size
50–200
nm
diameter
and
thickness
10–20
nm,
which
were
used
the
WPN
medium
at
concentration
0.75,
1.5,
3,
6,
15
μg
L
-1
stage
introducing
original
red
into
tissue
culture.
study
demonstrated
dose-dependent
antimicrobial
effect:
seedling
sterility
increased
from
80%
(+10%
to
control)
1.5
CuO
100%
doses
3
higher.
maximum
survival
rate
was
observed
–
43%,
23%
higher
than
control
values.
At
multiplication
stage,
significantly
plant
viability
twice
as
much
variant
1.7
times
when
phytohormones.
combined
use
hormones
height
by
additional
shoots
times.
rooting
did
not
show
any
rhizogenesis-stimulating
effect.
same
time,
phytohormones
stimulated
root
formation.
adaptation
fairly
low
percentage
surviving
adapted
plants
variant,
while
addition
had
positive
effect
on
adaptation.
seedlings
15%,
ones
10.
Thus,
showed
prospects
improve
biotechnology
clonal
micropropagation
oak.
future,
these
results
breeding
obtaining
this
species.
Advances in environmental engineering and green technologies book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 149 - 175
Published: May 1, 2024
The
global
agricultural
landscape
faces
unprecedented
challenges,
including
climate
change,
soil
degradation,
and
water
scarcity,
necessitating
innovative
approaches
to
enhance
crop
resilience.
Nanotechnology
has
emerged
as
a
promising
avenue
for
addressing
these
challenges
by
offering
precise
tools
manipulate
engineer
materials
at
the
nanoscale.
This
chapter
explores
application
of
nanotechnology
resilience
in
challenging
environments.
Nanomaterials,
such
nanoparticles
nanocomposites,
exhibit
unique
physicochemical
properties
that
can
positively
impact
plant
growth,
stress
response,
overall
performance.
Engineered
nanomaterials
have
demonstrated
ability
nutrient
uptake,
mitigate
abiotic
stressors,
bolster
defense
mechanisms.
Additionally,
nanoscale
delivery
systems
enable
targeted
controlled
release
agrochemicals,
optimizing
their
efficacy
while
minimizing
environmental
impact.
highlights
recent
advancements
nanotechnology-driven
strategies
improve
resilience,
encompassing
delivery,
stress-responsive
nanomaterials,
precision
agriculture
technologies.
Furthermore,
potential
risks
ethical
considerations
associated
with
are
discussed.
Overall,
integration
holds
great
promise
sustainable
agriculture,
novel
solutions
ensure
food
security
conditions
on
production.
Advances in environmental engineering and green technologies book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100 - 125
Published: May 1, 2024
The
escalating
challenges
in
global
agriculture
necessitate
the
exploration
of
environmentally
sustainable
alternatives
for
pest
and
disease
management.
Nanomaterials,
characterized
by
their
unique
properties
at
nanoscale,
offer
a
promising
avenue
addressing
these
manner.
This
chapter
reviews
recent
developments
application
nanomaterials
management
agriculture.
authors
examine
diverse
range
nanomaterials,
including
nanoparticles,
nanocomposites,
nanostructured
coatings,
efficacy
against
various
agricultural
pests
pathogens.
Nanomaterials
demonstrate
targeted
delivery
mechanisms,
increased
stability,
prolonged
effectiveness,
minimizing
ecological
impact
associated
with
conventional
agrochemicals.
Consideration
is
given
to
interactions
between
plants,
as
well
effects
on
soil
microbiota,
assess
overall
ecosystem
health.
Journal of Population Therapeutics and Clinical Pharmacology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Green
synthesis
is
an
effective
method
for
the
of
nanoparticles
(NPs),
so
objective
this
project
was
to
FeNPs
using
crude
extract
from
Raza
stricta,
a
green
approach.
After
different
microscopic
as
well
spectroscopic
techniques,
including
XRD,
UV/VIS,
SEM
and
EDX
were
used
confirm
size
shape
synthesized
FeNPs.
The
resulting
product
found
be
48.32
nm
at
2
mM
concentration.
then
tested
their
cytotoxicity
Brine
shrimps
lethality
test
in-vitro
human
hepatocellular
carcinoma
cancer
lines
huH-1
in-vivo.
brine
(BSL)
assays
showed
concentration-dependent
mortality
where
maximum
(43.3%)
observed
100
µg.
mL-1
minimum
(6.7%)
5
after
48
hrs.
IC50
against
137.4
µM
while
standard
Etopside
33.4
During
in-vivo
has
confined
non-toxicity
behavior
FeNPs,
concentration
(500µg
/ml)
revealed
52.5%
cell
viability
with
654.8
values.
It
clear
result
that
biosynthesized
R.
stricta
possess
less
cytotoxic
are
effectively
safe.
in
vivo
hepatoma
line
also
concluded
bio-mediated
lines.
Therefore,
it
suggested
NPs
safe
eco-friendly
no
toxicity
could
have
overwhelming
applications
health
sciences.
El
aumento
de
la
tolerancia
y
el
desarrollo
resistencia
a
los
antibióticos
por
parte
las
bacterias
ha
producido
un
incremento
general
infecciones
intrahospitalarias,
entre
que
se
destacan,
su
frecuencia,
asociadas
materiales
implantables.
Para
combatir
multirresistentes
han
propuesto
alternativas
innovadoras
tratamientos
tradicionales,
como
utilización
productos
nanotecnológicos,
ya
sean
nanopelículas
(NPe)
o
nanoparticulas
(NPa)
metálicas
con
actividad
antimicrobiana.
Sin
embargo,
síntesis
tradicionalmente
empleadas
para
fabricar
estos
nanoproductos
utilizan
producen
reactivos
solventes
tóxicos
salud
contaminantes
del
medio
ambiente.
Surgen
así,
nueva
alternativa,
nanotecnologías
ecocompatibles
(NEC)
“verdes”
agentes
naturales,
ampliamente
disponibles
en
naturaleza
desechos
industria
agrícola,
sintetizar
NPe
NPa
sin
producir
utilizar
ni
contaminantes.
Dentro
NEC,
más
utilizadas
son
aquellas
emplean
fitocompuestos
fenólicos,
mismos
presentan
comprobada
antimicrobiana,
antioxidante,
anticancerígena
antiviral,
otras.
Además,
dichos
compuestos
fenólicos
componentes
principales
muchos
aceites
extractos
ejemplo
obtenidos
tomillo,
romero,
eucalipto,
etc.
La
utilidad
debe
estructura
química
les
confiere
buenas
propiedades
reductoras
permiten
Ag,
Au
Cu
necesidad
fenólica
también
otorga
capacidad
adsorberse
polimerizar
sobre
superficies
(Ti,
Cu,
Mg,
otros)
formando
anclan
superficie
procesos
adsorción/autoensamblado
espontáneo,
coordinación
iones
metálicos
técnicas
electroquímicas.
En
presente
Trabajo
Tesis
plantea
hipótesis
es
posible
desarrollar
nanotecnológicos
antimicrobianos
citocompatibles
ser
utilizados
biomateriales
Ti,
empleando
puros
reduciendo
eliminando
empleo
Con
este
fin,
evaluó
isoméricos
timol
carvacrol
(constituyentes
esenciales
tomillo
orégano)
discos
Ti
uso
quirúrgico
(grado
II)
analizó
tanto
antimicrobiana
citocompatibilidad
osteogénica.
También
emplearon
ácido
gálico
pirogalol
tipo
redes
híbridas
metal-fenólicas
(MPN)
Mg2+
Ti.
Asimismo,
utilizaron
extracto
natural
té
verde
reductores
Ag
(NPaAg)
comprobó
Finalmente,
desarrollaron
multifuncionales
partir
combinación
+
NPaAg
evaluar
efectos
sinérgicos
Los
resultados
concluir
través
diferentes
tecnologías
NEC.
Las
confieren
bactericida
contra
cepas
Staphylococcus
aureus
caso
timol,
aumentan
mejoran
proceso
oseointegración
estudios
in
vitro.
formadas
constituidas
MPN
otorgan
dicho
material
antiadherentes
antibiofilm
impiden
producción
matriz
polimérica
biofilms
S.
aureus.
estas
acción
sinérgica
amikacina
frente
tempranos
desarrollados
Por
otra
parte,
incrementan
considerablemente
osteogénica
biomaterial.
logró
obtener
tamaño
nanométrico
estables
gran
poder
antimicrobiano
aureus,
Pseudomonas
aeruginosa
Klebsiella
pneumoniae
buena
utilizando
reductores.
inhibieron
formación
cuando
fueron
inmovilizadas
previamente
desarrolladas
pudo
todos
trabajo
NEC
(NPe,
MPN,
sistemas
mixtos
MPN+NPaAg)
pueden
procedimientos
sencillos
no
requieren
equipamientos
laboratorio
complejos
síntesis,
además
reproducibles,
económicos
escalables
médico
otras
aplicaciones
industriales,
logrando,
algunos
casos,
erradicación
microorganismos
evaluados.
una
adecuada
células
fibroblásticas
pre-osteoblásticas
y,
casos
osteogénica,
cualidad
muy
apreciada
ortopédicos
dentales.
Gene Cell and Tissue,
Journal Year:
2024,
Volume and Issue:
11(4)
Published: Aug. 12, 2024
Background:
Due
to
the
increasing
resistance
of
pathogenic
bacteria
common
antibiotics,
researchers
are
looking
for
antimicrobial
agents
plant
origin
as
alternative
drugs.
Objectives:
This
study
aimed
investigate
activity
and
pigmentation
extract
Rhazya
stricta
against
human
bacteria.
Methods:
The
minimum
inhibitory
concentration
(MIC)
bactericidal
(MBC)
in
six
concentrations
were
evaluated
by
dilution
method
a
liquid
medium
on
determined
pink
color
was
assessed
using
ELISA.
Results:
results
diameter
inhibition
zone
showed
that
maximum
ethyl
acetate
(2
mm),
aqueous
(7
ethanolic
(8
methanolic
(9
hydroalcoholic
(10
mm)
extracts
Staphylococcus
aureus.
smallest
related
R.stricta
methicillin-resistant
strains
aureus
(MRSA)
while
largest
mm).
Conclusions:
different
medicinal
solvents
inhibit
growth
at
concentrations,
which
can
be
used
treatment
infections
caused
these
Additionally,
this
dyeing
industry
due
its
properties.
IntechOpen eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 30, 2024
In
recent
years,
there
has
been
a
significant
increase
in
the
resistance
of
microorganisms
to
common
treatments,
among
which
Candida
albicans
(C.
albicans)
is
no
exception.
Due
eukaryotic
nature
fungi,
antifungal
drugs
have
less
variety
than
antibiotics.
Additionally,
formation
biofilm
by
fungi
serves
as
physical
barrier,
reducing
effectiveness
drugs.
Consequently,
several
studies
are
currently
underway
explore
new
treatments
prevent
C.
infection.
Nanotechnology
medicine
rapidly
advanced
demonstrating
satisfactory
results
various
fields.
Nanomaterials
can
function
and
act
carriers
protectors
agents.
These
unique
properties
nanomaterials
position
them
promising
for
eliminating
infections
caused
albicans.
following
sections,
we
will
discuss
some
developments
utilizing
treatment
infections.
BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
145, P. 02006 - 02006
Published: Jan. 1, 2024
Oak
is
an
important
tree
species,
playing
a
fundamental
role
in
many
forest
ecosystems.
Obtaining
high-quality
oak
planting
material
actual
issue
biotechnology.
The
most
promising
method
for
this,
vitro
micropropagation,
faces
number
of
problems
that
can
be
overcome
using
nanobiotechnological
approach.
In
our
work,
we
obtained
flaky
copper
oxide
nanoparticles
with
particle
size
50–200
nm
diameter
and
thickness
10–20
nm,
which
were
used
the
WPN
medium
at
concentration
0.75,
1.5,
3,
6,
15
μg
L
-1
stage
introducing
original
red
into
tissue
culture.
study
demonstrated
dose-dependent
antimicrobial
effect:
seedling
sterility
increased
from
80%
(+10%
to
control)
1.5
CuO
100%
doses
3
higher.
maximum
survival
rate
was
observed
–
43%,
23%
higher
than
control
values.
At
multiplication
stage,
significantly
plant
viability
twice
as
much
variant
1.7
times
when
phytohormones.
combined
use
hormones
height
by
additional
shoots
times.
rooting
did
not
show
any
rhizogenesis-stimulating
effect.
same
time,
phytohormones
stimulated
root
formation.
adaptation
fairly
low
percentage
surviving
adapted
plants
variant,
while
addition
had
positive
effect
on
adaptation.
seedlings
15%,
ones
10.
Thus,
showed
prospects
improve
biotechnology
clonal
micropropagation
oak.
future,
these
results
breeding
obtaining
this
species.