Results in Optics,
Journal Year:
2024,
Volume and Issue:
16, P. 100733 - 100733
Published: July 1, 2024
In
this
work,
Li-doped
ZnO
nanocrystals
(LZO)
were
synthesized
via
the
sol–gel
method.
The
concentration
of
zinc
acetate
has
been
set
at
2
M
in
order
to
prepare
highly
concentrated
sol.
generated
LZO
sol's
optical
characteristics
assessed
using
UV–visible
absorption
and
photoluminescence
spectroscopy,
while
nanopowders'
lithium
doping
process
was
XRD
Raman
spectroscopy.
experimental
findings
indicate
that
Li+
ions
oxide
reached
maximum
solid
solubility
limit.
inclusion
results
a
reduction
size
nanocrystals,
accompanied
by
notable
increase
violet-blue
emission,
distinguishing
them
from
other
materials
reported
literature.
As
can
be
found,
cannot
change
type
conductivity
thin
films,
they
have
n-type
conductivity.
RSC Advances,
Journal Year:
2024,
Volume and Issue:
14(29), P. 20992 - 21034
Published: Jan. 1, 2024
This
paper
presents
a
comprehensive
review
of
recent
advancements
in
utilizing
zinc
oxide
nanoparticles
(ZnO
NPs)
to
enhance
antimicrobial
and
UV
protective
properties
healthcare
solutions.
Microorganisms,
Journal Year:
2023,
Volume and Issue:
11(4), P. 945 - 945
Published: April 4, 2023
Nosocomial
bacterial
and
fungal
infections
are
one
of
the
main
causes
high
morbidity
mortality
worldwide,
owing
to
prevalence
multidrug-resistant
microbial
strains.
Hence,
study
aims
synthesize,
characterize,
investigate
antifungal
antibacterial
activity
silver
nanoparticles
(AgNPs)
fabricated
using
Camellia
sinensis
leaves
against
nosocomial
pathogens.
The
biogenic
AgNPs
revealed
a
small
particle
diameter
35.761
±
3.18
nm
based
on
transmission
electron
microscope
(TEM)
graphs
negative
surface
charge
-14.1
mV,
revealing
repulsive
forces
between
nanoparticles,
which
in
turn
indicated
their
colloidal
stability.
disk
diffusion
assay
confirmed
that
Escherichia
coli
was
most
susceptible
strain
(200
g/disk),
while
lowest
sensitive
found
be
Acinetobacter
baumannii
with
relative
inhibition
zones
36.14
0.67
21.04
0.19
mm,
respectively.
On
other
hand,
µg/disk)
exposed
efficacy
Candida
albicans
zone
18.16
0.14
mm
diameter.
synergistic
both
tigecycline
clotrimazole
A.
C.
albicans,
In
conclusion,
demonstrated
distinct
physicochemical
properties
potential
bioactivity
tigecycline,
linezolid,
gram-negative,
gram-positive,
strains,
This
is
paving
way
for
development
effective
antimicrobial
combinations
management
pathogens
intensive
care
units
(ICUs)
health
settings.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 10, 2024
Abstract
In
this
study,
a
ZnO/MnO
nanocomposite
was
myco-fabricated
using
the
isolated
endophytic
Clonostachys
rosea
strain
EG99
as
nano-factory.
The
extract
of
EG99,
reducing/capping
agent,
successfully
titrated
with
equal
quantities
Zn(NO
3
)
2
·6H
O
and
Mn(NO
(precursors)
in
single
step
to
fabricate
rod-shaped
size
6.22
nm.
20
min,
results
were
validated
at
350
400
nm
UV–Vis
spectroscopy.
7-L
bioreactor,
an
industrial
biotechnological
approach
used
scale
up
biomass
strain,
yield
nanocomposite.
A
controlled
fed-batch
fermentation
system
specific
nitrogen/carbon
ratio
identical
feeding
schedule
production
process.
Higher
yields
obtained
by
adopting
bioreactor
regular
1:200.
Overall,
produced
89.2
g/l
its
maximum,
2.44
times
more
than
batch's
36.51
output.
Furthermore,
fed-batch's
maximum
79.81
g/l,
noteworthy
14.5-fold
increase
over
5.52
g/l.
Finally,
we
designed
innovative
manage
growth
mode,
supporting
rapid,
cheap
eco-friendly
myco-fabrication
At
dose
210
µg/ml,
tested
exhibited
antibacterial
activity
against
Staphylococcus
aureus
(98.31
±
0.8%),
Escherichia
coli
(96.70
3.29%),
Candida
albicans
(95.72
0.95%).
same
dose,
biofilm
eradicated
48
h;
however,
biofilms
needed
72
96
h,
respectively.
Our
showed
strong
highly
selective
antagonistic
effects
variety
multidrug-resistant
human
pathogens.
Therefore,
upcoming
generations
antibiotics,
it
might
be
employed
nano-antibiotic.