Saudi Journal of Biological Sciences,
Journal Year:
2023,
Volume and Issue:
30(12), P. 103840 - 103840
Published: Oct. 18, 2023
This
study
focusses
on
the
preparation
of
silver
sulphide
(Ag2S)
and
Cu-doped
Ag2S
(Cu/Ag2S)
nanoparticles
(NPs)
by
sol-gel
method
demonstrated
their
photocatalytic
antibacterial
applications.
The
X-ray
diffraction
(XRD)
Fourier-transform
infrared
(FTIR)
analysis
that
prepared
NPs
are
effectively
crystallized
in
polycrystalline
single-phase
monoclinic
geometry
Ag2S.
optical
bandgap
is
significantly
reduced,
for
both
sample
average
grain
size
observed
to
have
narrowed
from
42
nm
23
nm.
Both
were
confirmed
be
spherical
nature
as
scanning
electron
microscopy
(SEM),
energy
dispersive
(EDX)
spectroscopy
validated
presence
all
necessary
components
at
expected
concentrations
obtained
samples.
Under
irradiation
sunshine,
properties
each
investigated
ability
facilitate
photodegradation
a
hazardous
methylene
blue
(MB)
dye
an
aqueous
solution.
Cu/Ag2S
possesses
profound
reaction
destruction
MB
dye.
Furthermore,
suppress
proliferation
Staphylococcus
aureus
Escherichia
coli.
In
comparison
pure
NPs,
showed
enhanced
activity
against
bacteria.
Current
suggests
Cu
doped
could
promising
material
wastewater
treatment
antimicrobial
agents.
Fermentation,
Journal Year:
2023,
Volume and Issue:
9(3), P. 243 - 243
Published: March 2, 2023
Biohydrogen
production
from
microalgae
is
a
potential
alternative
energy
source
that
now
intensively
being
researched.
The
complex
natures
of
the
biological
processes
involved
have
afflicted
accuracy
traditional
modelling
and
optimization,
besides
costly.
Accordingly,
machine
learning
algorithms
been
employed
to
overcome
setbacks,
as
these
approaches
capability
predict
nonlinear
interactions
handle
multivariate
data
microalgal
biohydrogen
studies.
Thus,
review
focuses
on
revealing
recent
applications
techniques
in
production.
working
principles
random
forests,
artificial
neural
networks,
support
vector
machines,
regression
are
covered.
analyzed
compared
for
their
effectiveness,
advantages
disadvantages
relationship
studies,
classification
results,
prediction
hydrogen
These
shown
great
performance
despite
limited
sets
nonlinear.
However,
current
still
susceptible
overfitting,
which
could
potentially
reduce
performance.
be
resolved
or
mitigated
by
comparing
methods,
should
input
limited.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(33), P. 12653 - 12691
Published: Jan. 1, 2024
Iron
based
nanomaterials/complexes/alloys/MOFs
have
been
discussed
for
CO
2
reduction,
N
fixation,
pollutants
degradation
and
OER/HER
via
type
II,
Z-scheme
S-scheme
heterojunctions.
