Ferric
sulfide
(FeS)
has
been
widely
used
as
an
activator
of
persulfate
(PS)
for
the
degradation
Atrazine
(ATZ)
in
water
due
to
its
high
activity
and
non-toxic
nature.
However,
a
major
drawback
FeS
is
tendency
agglomerate
easily,
resulting
poor
reusability
low
efficiency.
To
address
this
issue,
stable
heterogeneous
MMT-nFeS
prepared
from
pyrite
montmorillonite
was
synthesized
by
modifying
with
montmorillonite.
SEM,
TEM,
XRD
analysis
indicated
that
uniform
distribution
modified
material
between
layers
beneficial
improving
stability
activation
efficiency
material.
Under
same
experimental
conditions,
control
experiment
results
pure
activated
PS
ATZ
showed
system
good
removal
rate,
achieving
rate
92%.
Furthermore,
demonstrated
maintained
over
83%
even
after
ten
cycles.
The
quenching
experiments,
EPR
tests
XPS
verified
primary
active
species
reaction
are
•OH
SO4•−,
efficient
result
synergistic
effect
SO4•−
Fe(IV).
sulfur
substances
promoted
cycling
Fe
(IV)
(III)
(II).
materials
provided
promising
solution
remediation
contaminated
triazine
herbicides.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(16), P. 19341 - 19354
Published: Aug. 9, 2024
Cuproptosis
efficiency
is
severely
limited
by
insufficient
Cu+
contents
in
tumors
due
to
the
easy
oxidation
of
into
Cu2+
and
copper
efflux
mechanism.
Herein,
we
develop
a
nanocarrier
(MoSe2/CuO2)
that
can
significantly
enhance
intracellular
for
self-boosting
cuproptosis-based
synergistic
antitumor
therapy.
Upon
endocytosis
cancer
cells,
acidic
tumor
microenvironment
(TME)
triggers
degradation
MoSe2/CuO2
release
Cu2+.
MoSe2
then
acts
as
cocatalyst
promotes
reduction
released
Cu+,
while
oxidizing
active
Mo4+
Mo6+,
thereby
triggering
cuproptosis.
Importantly,
produced
Mo6+
further
returned
endogenous
glutathione
(GSH)
depletion,
enhancing
cocatalytic
effects
resulting
continuous
generation
Meanwhile,
GSH-enhanced
cocatalysis
MoSe2-mediated
photothermal
effect
promote
Cu-Fenton
reactions,
which
not
only
downregulate
Cu-ATPase
reduce
aggravate
cuproptosis
with
higher
efficacy
but
also
activate
caspase-3
cell
apoptosis.
exhibits
excellent
(94.9%
growth
inhibition)
biosafety
vitro
vivo.
This
work
presents
strategy
enables
high
levels
delivery
reducing
cuproptosis–apoptosis
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(36), P. 37910 - 37922
Published: Aug. 26, 2024
Electrocatalytic
degradation
enables
the
efficient
treatment
of
chlorinated
pollutants
(COPs);
however,
its
application
has
been
significantly
hindered
by
large
amounts
unsafe
intermediate
products.
In
this
study,
we
present
a
single-atom
nickel
with
single-walled
carbon
nanotubes
(SWCNTs)
as
an
electrochemical
reactor
for
complete
elimination
chlorophenols.
Distinct
products
and
reductive
mechanisms
were
observed
Ni-N-C
compared
to
Cu-N-C.
incorporation
novel
pathway
chlorophenol
involving
hydrodechlorination
electro-Fenton
process.
Most
importantly,
weak
adsorption
between
chlorophenols
SWCNTs
promoted
their
dechlorination
attached
active
atomic
hydrogen
(H*)
formed
on
Ni-N-C.
Meanwhile,
improved
reduction
O
