Catalysts,
Journal Year:
2024,
Volume and Issue:
14(9), P. 576 - 576
Published: Aug. 29, 2024
An
organic–inorganic
hybrid
polyoxometalate
(POM)
CoPMoV
[PMoVI8VIV4VV2O42][Co(Phen)2(H2O)]2[TEA]2•H3O•3H2O
(Phen
=
1,10-phenanthroline,
TEA
triethylamine)
prepared
by
hydrothermal
synthesis
was
explored
as
a
heterogeneous
catalysts
to
remove
methylene
blue
(MB)
through
Fenton-like
reaction
and
catalytic
reduction.
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
energy
dispersive
(EDX),
Fourier
transform
infrared
spectroscopy
(FT-IR),
photoelectron
(XPS)
were
employed
characterize
CoPMoV.
The
MB
removal
rates
for
the
reduction
91.6%
(120
min)
97.5%
(2
min),
respectively,
under
optimum
conditions.
demonstrated
excellent
stability
recyclability
in
reduction,
which
confirmed
5
cycle
tests.
Plausible
mechanisms
degradation
have
also
been
proposed.
Benefiting
from
redox
properties
of
cobalt
[PMoVI8VIV4VV2O42]5−
anion,
could
act
reductive
catalyst
MB.
This
study
provides
green
facile
strategy
design
POM-based
material
dye
wastewater
treatment
via
oxidation
Coordination Chemistry Reviews,
Journal Year:
2024,
Volume and Issue:
519, P. 216091 - 216091
Published: July 30, 2024
Wells-Dawson
polyoxometalates
(WD
POMs)
are
an
important
subgroup
within
the
diverse
family
of
POMs.
In
last
two
decades,
there
has
been
remarkable
progress
in
structure
modification
and
post-functionalization
WD
POMs,
which
unlocked
their
enormous
potential
across
various
domains,
including
energy
materials,
catalysis
(photocatalysis,
electrocatalysis),
functional
materials
(sensors,
optical
electrochromic
magnetic
materials)
or
biology/medicine
(anticancer
antibacterial
activities).
What
makes
these
systems
particularly
captivating
is
highly
adaptable
topological
structure,
combined
with
versatile
functionalization
methods
consequently
precise
design
control,
transfers
into
a
wide
range
applications.
our
comprehensive
review,
we
focus
on
exploration
intricate
structural
characteristics
play
pivotal
role
properties.
Moreover,
exciting
promising
applications
POMs
areas
science
disciplines
highlighted.
Our
aim
to
shed
light
current
state
art,
identify
emerging
trends,
provide
insights
future
directions
POM
research,
still
being
expanded,
especially
given
rapid
development
continuous
novel
subunit
functionalities.
By
doing
so,
hope
contribute
better
understanding
inspire
further
innovation
utilization.
Dalton Transactions,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Recent
advances
in
polyoxometalate
(POM)-based
materials
with
biomedical
applications
indicate
significant
potential
the
therapeutic
field.
The
scientific
community
aims
to
advance
these
enhance
bioorthogonal
chemistry
of
POMs.
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(5), P. 2569 - 2569
Published: Feb. 22, 2024
Polyoxotungstate
nanoclusters
have
recently
emerged
as
promising
contrast
agents
for
computed
tomography
(CT).
In
order
to
evaluate
their
clinical
potential,
in
this
study,
we
evaluated
the
vitro
CT
imaging
properties,
potential
toxic
effects
vivo,
and
tissue
distribution
of
monolacunary
Wells–Dawson
polyoxometalate,
α2-K10P2W17O61.20H2O
(mono-WD
POM).
Mono-WD
POM
showed
superior
X-ray
attenuation
compared
other
tungsten-containing
(its
parent
WD-POM
Keggin
POM)
standard
iodine-based
agent
(iohexol).
The
calculated
linear
slope
mono-WD
was
significantly
higher
WD-POM,
POM,
iohexol
(5.97
±
0.14
vs.
4.84
0.05,
4.55
0.16,
4.30
0.09,
respectively).
Acute
oral
(maximum-administered
dose
(MAD)
=
960
mg/kg)
intravenous
administration
(1/10,
1/5,
1/3
MAD)
did
not
induce
unexpected
changes
rats’
general
habits
or
mortality.
Results
blood
gas
analysis,
CO-oximetry
status,
levels
electrolytes,
glucose,
lactate,
creatinine,
BUN
demonstrated
a
dose-dependent
tendency
14
days
after
POM.
most
significant
differences
control
were
observed
MAD,
being
approximately
seventy
times
than
typically
used
(0.015
mmol
W/kg)
tungsten-based
agents.
highest
tungsten
deposition
found
kidney
(1/3
MAD—0.67
0.12;
1/5
MAD—0.59
0.07;
1/10
MAD—0.54
0.05),
which
corresponded
detected
morphological
irregularities,
electrolyte
imbalance,
increased
levels.
