Recent advances in the development of polyoxometalates and their composites for the degradation of toxic chemical dyes
Gajiram Murmu,
Tamanna Harihar Panigrahi,
Sumit Saha
и другие.
Progress in Solid State Chemistry,
Год журнала:
2024,
Номер
unknown, С. 100489 - 100489
Опубликована: Сен. 1, 2024
Язык: Английский
A Nanoenzyme Constructed from Manganese and Strandberg-Type Phosphomolybdate with Versatility in Antioxidant and Modulating Conformation of Aβ Protein Misfolding Aggregates In Vitro
International Journal of Molecular Sciences,
Год журнала:
2023,
Номер
24(5), С. 4317 - 4317
Опубликована: Фев. 21, 2023
Amyloid
β-peptide
(Aβ)
misfolding
aggregates
with
β-sheet
structures
and
surplus
reactive
oxygen
species
(ROS)
are
both
considered
to
be
the
culprit
of
neuronal
toxicity
in
Alzheimer's
disease
(AD).
Therefore,
modulating
mode
Aβ
inhibiting
ROS
simultaneous
has
become
an
important
method
for
anti-AD.
Herein,
a
nanoscale
manganese-substituted
polyphosphomolybdate
(H2en)3[Mn(H2O)4][Mn(H2O)3]2[P2Mo5O23]2·14.5H2O
(abbreviated
as
MnPM)
(en
=
ethanediamine)
was
designed
synthesized
by
single
crystal
transformation
method.
MnPM
can
modulate
rich
conformation
aggregates,
thus
reduce
formation
toxic
species.
Moreover,
also
possesses
ability
eliminate
free
radicals
produced
Cu2+-Aβ
aggregates.
It
inhibit
cytotoxicity
β-sheet-rich
protect
synapses
PC12
cells.
combines
anti-oxidation
ability,
which
makes
promising
multi-funcational
molecular
composite
mechanism
new
conceptual
designing
treatment
such
protein-misfolding
diseases.
Язык: Английский
A Cyclen-Functionalized Cobalt-Substituted Sandwich-Type Tungstoarsenate with Versatility in Removal of Methylene Blue and Anti-ROS-Sensitive Tumor Cells
Molecules,
Год журнала:
2022,
Номер
27(19), С. 6451 - 6451
Опубликована: Сен. 30, 2022
Oxidative
degradation
by
using
reactive
oxygen
species
(ROS)
is
an
effective
method
to
treat
pollutants.
The
synthesis
of
artificial
oxidase
for
the
dyes
a
hot
spot
in
molecular
science.
In
this
study,
nanoscale
sandwich-type
polyoxometalate
(POM)
on
basis
tetra-nuclear
cobalt
cluster
and
trivacant
B-α-Keggin-type
tungstoarsenate
{[Co(C8H20N4)]4}{Co4(H2O)2[HAsW9O34]2}∙4H2O
(abbreviated
as
CAW,
C8H20N4
=
cyclen)
has
been
synthesized
structurally
examined
infrared
(IR)
spectrum,
ultraviolet-visible
(UV-Vis)
X-ray
photoelectron
spectrum
(XPS),
single-crystal
diffraction
(SXRD),
bond
valence
sum
(Σs)
calculation.
According
structural
analysis,
principal
element
CAW
derived
from
modifying
polyanion
{Co4(H2O)2
[HAsW9O34]2}8-
with
four
[Co(Cyclen)]2+,
which
1,4,7,10-tetraazacyclododecane
(cyclen)
firstly
applied
modify
POM.
It
also
demonstrated
that
capable
efficiently
catalyzing
production
ROS
synergistic
effects
POM
fragments
Co-cyclen
complexes.
Moreover,
can
interfere
morphology
proliferation
sensitive
cells
producing
exhibits
ability
specifically
eliminating
methylene
blue
(MB)
solution
system
both
adsorption
catalytic
oxidation.
Язык: Английский
An 1,4,7,10-tetraazacyclododecane-nickel complex functionalized polymolybdate acting as artificial oxidase in removing methylene blue
Journal of Molecular Structure,
Год журнала:
2024,
Номер
1312, С. 138502 - 138502
Опубликована: Май 3, 2024
Язык: Английский
Nano Ag/AgCl wires-photocatalyzed hydrogen production and transfer hydrogenation of Knoevenagel-type products
New Journal of Chemistry,
Год журнала:
2021,
Номер
46(4), С. 1677 - 1686
Опубликована: Дек. 13, 2021
An
investigation
of
the
relationship
between
morphology
Ag/AgCl
nanostructured
composites
with
their
catalytic
performance
has
been
reported.
Язык: Английский
A hexa-Cu cluster sandwiched silicotungstate with reactive oxygen species catalytic ability and anti-tumor activity in PC12 cells
Journal of Molecular Structure,
Год журнала:
2022,
Номер
1267, С. 133616 - 133616
Опубликована: Июнь 30, 2022
Язык: Английский
A Novel Tri-Coordination Zinc Complex Functionalized Silicotungstate with ROS Catalytic Ability and Anti-Tumor Cells Activity
Catalysts,
Год журнала:
2022,
Номер
12(7), С. 695 - 695
Опубликована: Июнь 24, 2022
Reactive
oxygen
species
(ROS)
can
be
used
as
an
effective
method
to
treat
tumors.
Artificial
oxidase
has
received
increasing
attention
a
catalyst
for
ROS
generation
in
fields
ranging
from
bioinorganic
chemistry
pharmaceutical
chemistry.
In
this
study,
artificial
based
on
binuclear
zinc
complex
and
Keggin-type
silicotungstate
[Zn2(4,4′-bpy)(Phen)2][SiW12O40]
(ZSW)
(4,4′-bpy
=
4,4′-bipyridine;
Phen
1,10-phenanthroline)
was
synthesized
structurally
featured
terms
of
its
X-ray
photoelectron
spectrum
(XPS),
bond
valence
sum
(Σs)
calculation,
IR
spectra,
single-crystal
diffraction
(SXRD).
ZSW
is
ionic
compound
which
the
cation
[Zn2(4,4′-bpy)(Phen)2]4+
anion
α-Keggin-type
[SiW12O40]4–
cluster.
Notably,
Zn
ions
[Zn2(4,4′-bpy)(Phen)2]
exist
tri-coordination,
first
obtained
polyoxometalate
(POM)
It
also
demonstrated
that
capable
efficiently
catalyzing
production
ROS,
which,
according
computational
calculations,
may
due
synergistic
action
complexes
POM
building
blocks.
Furthermore,
exhibited
inhibition
ability
toward
ROS-sensitive
tumor
cells,
such
PC12
cells.
Язык: Английский