Despite
widespread
interest
in
nanoscale
pillar
structures
for
various
optical
devices,
including
solar
cells,
photonic
crystal
lasers,
and
sensors,
the
critical
challenges
mass
production
are
high
equipment
costs
limited
scalability
of
traditional
manufacturing
methods.
To
overcome
these
hurdles,
this
study
develops
a
simple
highly
scalable
etch-mask
superposition
technique
based
on
thermally
assisted
nanotransfer
printing
(T-nTP)
Cr
line
patterns.
The
orthogonal
linear
mask
patterns
creates
double-height
cross-point
arrays
that
effectively
selectively
protect
underlying
SiO
Biosystems Diversity,
Journal Year:
2024,
Volume and Issue:
32(3), P. 380 - 388
Published: Aug. 19, 2024
Herein,
we
report
for
the
first
time
biosynthesis
of
silver
nanoparticles
(AgNPs)
using
leaf
extracts
Chaenomeles
Lindl.
(Rosaceae)
plants
and
its
spectral
characteristics,
as
well
antifungal
antibacterial
activity.
Phytosynthesis
on
base
aqueous
plant
nitrate
solution
was
carried
out
by
an
ecofriendly
cost-effective
approach.
UV-Vis
spectroscopy
applied
to
validate
plant-mediated
AgNPs
colloidal
solutions
Surface
Plasmon
Resonance
(SPR)
bands
in
region
450–500
nm,
characteristic
polycrystalline
nanoparticles.
Scanning
microscopy
(SEM)
revealed
a
wide
variation
range
5–58
nm
close
spherical
shape
plant-derived
AgNPs.
Raman
scattering
suitability
biosynthesized
substrates
surface-enhanced
(SERS)
with
highest
efficiency
AgNPs,
from
extract
Ch.
×
superba,
which
enhanced
Rhodamine
6G
dye
at
concentration
10–7
M.
Assay
activity
performed
diffusion
method
dose-dependent
effect
all
against
phytopathogenic
fungus
Fusarium
culmorum.
The
most
effective
(Ch.
speciosa-AgNPs,
cathayensis-AgNPs,
japonica-AgNPs)
achieved
1.42–1.63
times
greater
zone
inhibition
F.
culmorum
colonies’
growth
compared
corresponding
doses
known
chemical
fungicide
"Quadris".
Micro
preparations
zones
incomplete
presented
changes
mycelium
morphology
due
action
nanoparticles,
such
deformation
(curvature,
expansion),
decrease
hyphae
length
density
control
sample.
Disc-diffusion
assay
showed
notable
species-specific
both
Gram-negative
(Klebsiella
pneumoniae)
Gram-positive
(Staphylococcus
aureus)
strains.
Summarizing,
results
indicate
undeniable
genus
species
successful
many
useful
properties,
whose
diverse
applications
require
further
research.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(49), P. 48205 - 48212
Published: Nov. 21, 2024
Controlling
the
overall
geometry
of
plasmonic
materials
allows
for
tailoring
their
optical
response
and
effects
that
can
be
exploited
to
enhance
performance
a
wide
range
devices.
This
study
demonstrates
simple
method
control
size
distribution
gold
(Au)
nanoparticles
grown
on
surface
spaced
titanium
dioxide
(TiO
Despite
widespread
interest
in
nanoscale
pillar
structures
for
various
optical
devices,
including
solar
cells,
photonic
crystal
lasers,
and
sensors,
the
critical
challenges
mass
production
are
high
equipment
costs
limited
scalability
of
traditional
manufacturing
methods.
To
overcome
these
hurdles,
this
study
develops
a
simple
highly
scalable
etch-mask
superposition
technique
based
on
thermally
assisted
nanotransfer
printing
(T-nTP)
Cr
line
patterns.
The
orthogonal
linear
mask
patterns
creates
double-height
cross-point
arrays
that
effectively
selectively
protect
underlying
SiO
