Journal of Chemistry,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
The
use
of
biosynthesized
metallic
and
bimetallic
nanoparticles
(NPs)
as
biocides
for
plant
protection
has
gained
significant
attention
in
recent
years
due
to
their
potential
sustainable
ecofriendly
crop
protection.
In
this
review
article,
we
discussed
the
biosynthesis
NPs
using
various
biological
sources
such
plants,
fungi,
bacteria,
algae.
We
explore
plausible
mechanisms
behind
biocidal
activity
these
NPs,
including
ability
disrupt
cellular
structures,
inhibit
enzyme
activity,
induce
oxidative
stress,
modulate
defense
responses.
also
highlight
challenges
limitations
associated
with
toxicity
nontarget
organisms,
impact
on
soil
health,
need
standardized
protocols
synthesis
characterization.
Additionally,
discuss
strategies
overcoming
challenges,
biocompatible
stabilizers,
controlled
release
formulations,
targeted
delivery
systems.
Overall,
hold
promise
effective
protection,
but
further
research
is
needed
fully
understand
action,
optimize
efficacy,
ensure
safe
agriculture.
addition
exploring
delves
into
cost‐benefit
analysis
application
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Апрель 24, 2024
Textile
industry
dye
effluent
contains
a
mixture
of
different
kinds
dyes.
Many
times,
photocatalysis
is
targeted
as
solution
for
the
treatment
from
textile
industry.
researches
have
been
published
related
to
single
dyes
but
in
real-world
scenario,
Magnesium
oxide
(MgO)
used
photocatalyst
treat
(binary
solution)
Methylene
blue
(MB)
and
violet
(MV)
along
with
individual
MB
MV
this
article.
MgO
shows
remarkable
photocatalytic
activity
at
about
93
88%
binary
within
135
min.
Furthermore,
study
influence
process
parameters,
experiments
are
designed
help
central
composite
design
(CCD),
Response
surface
methodology
(RSM)
interactions
between
parameters.
For
study,
five
parameters
selected
i.e.,
Photocatalyst
dosage,
initial
concentration
both
dyes,
time
exposure
light
source,
pH
solution.
The
also
optimized
finally
optimization
validated
an
experiment.
result
validation
experiment
very
close
predicted
activity.
Ceramics International,
Год журнала:
2024,
Номер
50(16), С. 27949 - 27960
Опубликована: Май 8, 2024
Gram-negative
bacteria
Pseudomonas
putida,
Gram-positive
Bacillus
subtilis,
and
Staphylococcus
aureus
were
utilized
as
test
samples
to
evaluate
the
antibacterial
characteristics
of
DD3-clay/MgO
DD3+38
wt.%
ZrO2-clay/MgO
nanoparticles.
The
ceramic
powders
prepared
by
a
thermal
autoclave
method
are
characterized
before
after
Mg
addition
SEM,
EDX,
XRD,
IR,
UV-visible,
TEM
in
order
investigate
microstructure,
phase,
surface
morphology.
results
showed
that
adding
Mg,
it
led
deformation
crystal
lattices
(mullite,
zirconium
silicate,
oxide)
together
with
decrease
particle
size
(75-103
nm)
complete
change
its
shape
from
nanotube
nanospherical,
observed
SEM
analyses.
It
also
confirmed
UV-visible
spectroscopy
increases
absorbance
accompanying
energy
gap
1.91,
1.74,
1.73,
1.43
eV
corresponding
DD3,
DD3Z,
DD3/30
DD3Z/30
respectively.
mechanism
is
related
particles,
solvent
used
for
powder
dissolution,
nanoparticle's
when
they
come
into
touch
bacteria,
generation
reactive
oxygen
species
(ROS:
˙O2−,
˙OH,
H2O2).
was
anti-bacterial
activity
enhanced
10
wt%
30
added
modified
powder.
Also,
more
O2-
formed
on
powder,
which
penetrates
bacterial
cell
destroys
it.
nanocomposite
particles
remarkable
dissolved
DMSO
compared
methanol
chloroform
organic
solvents.
aim
enrich
knowledge
activities
metal
nanoparticles
(ZrSiO4
MgO)
three
strains
different
Grams
due
their
extensive
involvement
phenomena
contamination
infection
encountered
medical
field.
synthesized
have
good
antimicrobial
against
all
tested.
A
maximum
inhibition
zone
35±0.2
mm
obtained
S.
aureus,
23±0.46
P.
putida
27±0.46
nm
B.
subtilis
an
38±0.93
mm,
26±0.24
17±0.33
same
RSC Advances,
Год журнала:
2024,
Номер
14(45), С. 32786 - 32801
Опубликована: Янв. 1, 2024
Nanotechnology
is
the
platform
with
greatest
promise
for
scientific
advancements.
One
of
advancement
improvement
in
photocatalytic
and
antibacterial
performance.
This
work
was
undertaken
to
synthesize
un-doped
silver
(Ag)
doped
zinc
oxide
(ZnO)
nanoparticles
(NPs)
using
an
inexpensive
wet
chemical
method
investigate
structural
optical
properties,
activity.
The
analysis
from
X-ray
diffraction
(XRD)
pattern
Ag-doped
ZnO
NPs
displayed
hexagonal
wurtzite
crystal
structure
shifting
peak
position
confirms
incorporation
Ag
lattice.
Morphological
study
done
by
scanning
electron
microscope
reveals
spherical
shaped
increase
grain
size
doping,
HRTEM
images
showed
nanocrystalline
nature
particle.
Raman
spectra
variation
vibrational
characteristics
doping.
functional
groups
were
analyzed
Fourier
transform-infrared
spectroscopy
(FTIR).
properties
investigated
UV-visible
photoluminescence
(PL)
spectroscopic
techniques.
have
a
notably
lower
band
gap
than
that
NPs,
Desalination and Water Treatment,
Год журнала:
2024,
Номер
320, С. 100687 - 100687
Опубликована: Авг. 8, 2024
Nanotechnology
and
nanoscience
provide
innovative
foundations
for
delivering
a
wide
range
of
new
enhanced
technologies
to
the
modern
world.
To
break
down
Rhodamine
B
(RhB)
dye
solutions,
this
work
describes
creation
silver
nanoparticles
(Ag-NPs)
using
aqueous
leaf
extract
Eucalyptus
globulus
(E.
globulus).
The
biosynthesized
Ag-NPs
were
studied
UV–vis
spectroscopy
SEM
in
conjunction
with
EDX,
TEM,
FTIR,
HPLC
XRD.
Stable
synthesized
E.
globulus,
as
evidenced
by
absorption
peaks
at
431
nm
seen
spectrum
analysis.
Spherical-shaped
particles
visible
images,
metallic
form
synthesised
was
verified
EDX.
initial
concentration
RhB,
reaction
duration,
temperatures,
pH
all
adjusted
optimise
photocatalytic
degradation
RhB
Ag-NPs.
results
indicated
that
effectiveness
increased
rising
pH.
After
80
min
room
temperature,
reached
91.20
%
12.
antioxidant
EC50
demonstrate
exhibited
higher
level
protective
antioxidants
(20.15
±
0.3
µg/mL
DPPH
10.24
0.2
ABTS)
compared
extracts.
