ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(45)
Published: Nov. 28, 2024
Abstract
In
the
era
of
increasing
antimicrobial
resistance
towards
conventional
antibiotics,
nanoparticles
appeared
as
one
best
alternatives.
present
study,
zinc
oxide
(ZnO
NPs)
were
prepared
using
ethyl
acetate
extract
Ageratum
houstonianum
Mill.
leaf.
The
ZnO
NPs
analyzed
different
characterization
techniques.
A
characteristic
stretching
frequency
at
498
cm
−1
in
FTIR
spectrum
and
XRD
result
indicated
formation
ZnO.
FESEM
HRTEM
images
revealed
that
spherical‐shaped.
zeta
potential
data
implied
produced
anionic
(−15.5
mV).
Furthermore,
activity
was
performed
against
Pseudomonas
aeruginosa
,
Escherichia
coli
Staphylococcus
aureus
Streptococcus
pyogenes
Klebsiella
pneumoniae
showed
highest
efficiency
toward
S.
with
a
zone
inhibition
14.3
±
0.3
mm.
Synthesized
exhibited
antioxidant
an
IC
50
110.59
µg/mL.
vitro
cell
study
synthesized
ascertained
anticancer
breast
cancer
lines
(MCF‐7)
value
around
65
Overall,
these
findings
A.
leaf
have
antibacterial,
antioxidant,
activities
could
be
used
for
therapeutic
applications.
Results in Chemistry,
Journal Year:
2024,
Volume and Issue:
7, P. 101368 - 101368
Published: Jan. 1, 2024
Zinc
oxide
nanoparticles
(ZnO
NPs)
exhibit
distinctive
characteristics,
making
them
highly
sought-after
in
many
sectors.
Nevertheless,
conventional
techniques
for
producing
ZnO-NPs
are
linked
to
environmental
and
health
hazards
due
toxic
substances.
In
this
review,
we
study
zinc
synthesized
from
plant
extracts
their
subsequent
biomedical
uses
detail.
Research
shows
that
several
different
employed
manufacturing
ZnO
nanoparticles.
Leaves,
fruits,
seeds,
roots,
complete
plants
all
included
these
extracts.
Phytochemicals
such
as
phenolic
compounds,
alkaloids,
flavonoids,
terpenoids
a
part
of
biological
matrices.
compounds
show
bioreduction
mechanism,
act
stabilizing
reducing
agent.
The
attributes
(NPs),
including
size,
shape,
crystallinity,
may
be
altered
by
adjusting
the
extract
variety,
concentration,
synthesis
conditions.
Consequently,
formed
display
notable
diversity
physical
chemical
subsequently
impacting
functionality.
manufactured
using
green
methods
extensive,
beneficial
effects
antibacterial
activity
against
various
pathogens,
anti-inflammatory
possible
anticancer
activities.
Nanoparticles
have
been
integrated
into
wound
dressings,
used
carriers
medication
delivery,
utilized
biosensing
imaging
applications.
enhanced
biocompatibility
reduced
toxicity
green-processed
techniques,
comparison
those
made
approaches,
make
very
appealing
use
contexts.
Moreover,
paper
examines
mechanisms,
explicitly
focusing
on
involvement
phytochemicals
processes
reduction
stabilization.
Additionally,
emphasizes
difficulties
potential
future
directions
optimizing
processes,
increasing
capacity,
facilitating
therapeutic
Journal of Hazardous Materials Advances,
Journal Year:
2024,
Volume and Issue:
13, P. 100401 - 100401
Published: Jan. 13, 2024
Bio-synthesized
metal
oxide
(MeO)
nanoparticles
(NPs)
have
triggered
a
huge
global
research
interest
owing
to
their
advancement
and
various
environmental
remediation,
personal
care
products,
medical,
energy,
sensing,
water
treatment
applications.
They
demonstrate
developing
assets
in
industries,
remarkably
with
heightened
physicochemical,
optical,
mechanical,
electronic
attributes.
The
physical
chemical
routes
been
sticking
point
the
production
of
MeO
NPs,
natural
risks
linked
utilizing
these
approaches.
growth
NPs
via
biologic
method
employing
plants
microorganisms
as
precursor
material
for
metal-ions
(MIs)
reduction
stabilization
has
focus
scientists
recent
years.
Hence,
this
review,
comprehensive
brief
bio-synthesis
approaches
using
plant
extracts
(PEs)
microorganism
components
well
factors
affecting
bio-production
applications
toxicity
were
considered.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(3), P. e25438 - e25438
Published: Jan. 27, 2024
This
study
investigates
the
potential
of
utilizing
Aloe
vera-assisted
green
synthesis
with
transition
metal
dopants
Ag
and
Cu
for
greater
efficiency
sustainability
in
advanced
scientific
applications
ZnO
nanoparticles.
Samples
were
prepared
using
co-precipitation
method,
maintaining
a
basic
pH
media
10.
vera
gel
extract
was
chosen
its
acclaimed
role
as
stabilizing
reducing
agent
proven
antioxidant,
antibacterial,
anticancer
properties.
The
XRD
report
revealed
hexagonal
Wurtzite
crystal
structure
nanoparticles,
exhibiting
crystallite
size
range
17–23
nm
substantial
alterations
lattice
parameters,
dislocation
density,
bond
lengths
when
added.
Additionally,
EDX
analysis
confirmed
perfect
doping
without
any
impurities.
SEM
indicated
reduction
agglomeration,
accompanied
by
particle
morphology
from
columnar
to
globular.
optical
showed
band
gap
3.18–3.27
eV,
confirming
it
be
wide
semiconductor.
effect
resulted
an
increase
transparency
gap,
while
decrease
absorption
coefficient
visible
wavelength
region.
With
increasing
temperature,
decline
electrical
resistivity
noted,
co-doped
nanoparticles
consistently
lowest
resistivity,
affirming
semiconductor
characteristics.
Most
importantly,
A
remarkable
antibacterial
efficacy
noticed
at
low
concentrations
against
gram-positive
(Staphylococcus
aureus)
gram-negative
(Escherichia
coli)
bacteria.
zone
inhibition
produced
exhibited
values
akin
antibiotic
control,
even
substantially
lower
doses.
research
offers
comprehensive
effects
green-synthesized
concurrently
addressing
their
biomedical,
energy
storage,
optoelectronic
devices.
RSC Advances,
Journal Year:
2023,
Volume and Issue:
13(48), P. 34200 - 34209
Published: Jan. 1, 2023
Octahedron
morphology
of
CoFe
2
O
4
is
obtained
with
particle
size
in
the
range
1.0–1.5
μm.
exhibits
a
high
discharge
capacity
839
mA
h
g
−1
first
cycle
at
current
density
0.1
A
and
good
rate
capability.
