Nucleosides Nucleotides & Nucleic Acids,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 23
Published: Jan. 19, 2025
This
article
presents
a
new
and
facile
method
for
the
synthesis
of
Schiff
base
compounds
with
benzimidazole
group
using
low-cost
reusable
calcium
aluminate
nanophosphorus
catalyst
(CaAl2O4).
approach
avoids
harmful
solvents
reactants,
supporting
more
environmentally
friendly
process.
The
maintained
its
activity
heterogeneity
over
four
cycles
minimal
loss
efficiency.
process
was
straightforward
eliminated
need
column
chromatography.
ligand
(HL=(E)-N-((6-(thiophen-2-yl)pyridin-2-yl)methylene)-1H-benzo[d]imidazol-2-amine))
synthesized
by
reaction
6-(thiophen-2-yl)pyridine-2-carbaldehyde
1H-benzimidazole-2-amine.
Subsequently,
metal(II)
complexes
Co(II),
Ni(II),
Cu(II)
were
prepared
this
ligand.
Structural
analysis
both
metal
carried
out
various
physicochemical
spectroscopic
methods.
Ni(II)
Co(II)
found
to
adopt
an
octahedral
geometry,
while
complex
exhibited
square-planar
structure.
Binding
studies
calf
thymus
DNA
(CT-DNA)
at
pH
7.2
performed
UV-visible
spectroscopy,
viscosity
measurements,
thermal
denaturation
showed
that
intercalate
into
produced
distinct
binding
pattern.
Molecular
docking
simulations
AutoDock
Vina
provided
insights
interaction
these
B-DNA
dodecamer.
Furthermore,
photonuclease
against
pUC19
DNA.
Agarose
gel
electrophoresis
exhibit
photoinduced
nuclease
activity,
confirming
their
ability
cleave
upon
exposure
light.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(2), P. 118 - 118
Published: Jan. 26, 2025
Nb-Sn,
V-Sn
mixed-metal
oxides
and
Nb-Si,
V-Si
metal
oxide–silicas
were
successfully
synthesized
through
a
“soft”
templating
method,
in
which
appropriate
amounts
of
salts
(either
niobium(V)
chloride,
or
vanadium(IV)
oxide
sulfate
hydrate
tin(II)
chloride
dihydrate)
tetraethyl
orthosilicate
(TEOS)
mixed
with
hexadecyltrimethylammonium
(HDTA)
sodium
dodecyl
(SDS)
solutions
to
obtain
new
series
mesoporous
oxides,
followed
by
calcination
at
different
temperatures.
As-obtained
samples
characterized
SEM,
TEM,
XRD,
UV-Vis
spectra
techniques.
The
photocatalytic
activities
the
evaluated
degradation
methyl
orange
II
(MO)
under
simulated
sunlight
irradiation.
effects
species
temperature
on
physicochemical
characteristic
activity
investigated
detail.
results
indicated
that,
compared
pure
showed
superior
performance
for
MO.
A
maximum
discoloration
rate
97.3%
(with
MO
initial
concentration
0.6·10−4
mol/dm3)
was
achieved
300
min
NbSiOx
material,
much
higher
than
that
Degussa
P25
same
conditions.
Additionally,
tested
photochemical
oxidation
process,
i.e.,
advanced
processes
(AOPs)
treat
commercial
non-ionic
surfactant:
propylene
ethylene
polymer
mono(nonylphenyl)
ether
(N8P7,
PCC
Rokita).
99.9%
30
material.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
thermodynamics
of
diazaphospholenes
suggest
a
good
balance
between
hydricity
and
regeneration
capacity
(
via
electron
reduction),
inspiring
us
to
identify
privileged
organocatalysts
for
electrochemical
hydrogen
evolution
reactions.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(3), P. 239 - 239
Published: March 1, 2025
The
transition
to
sustainable
energy
has
given
biodiesel
prominence
as
a
renewable
alternative
diesel.
This
review
highlights
the
development
and
optimization
of
solid
transesterification
catalysts,
contributing
greatly
efficiency
synthesis.
These
heterogeneous
catalysts
are
constituted
titanium-,
zinc-,
bio-based
systems
significant
advantages
such
reusability,
thermal
stability,
ability
be
synthesized
from
low-grade
feedstocks.
Recent
advancements
in
structural
optimization,
with
nano-structured
titanium
dioxide
having
potential
yielding
higher
production
up
yield
96–98%
within
5–7
cycles,
render
improved
stability
catalytic
performance.
Several
characterization
techniques,
Brunauer–Emmett–Teller
method,
X-ray
diffraction,
temperature-programmed
desorption,
instrumental
these
their
effective
design.
However,
despite
substantial
promise,
there
still
problems
dealt
large-scale
production,
regeneration,
service
life
catalysts.
account
collates
recent
innovations,
analytical
mechanisms,
prospective
directions
which
elucidate
furthering
technology
chemicals.