Nano Letters,
Год журнала:
2023,
Номер
24(1), С. 386 - 393
Опубликована: Дек. 22, 2023
Phyllosilicates-based
nanomaterials,
particularly
iron-rich
vermiculite
(VMT),
have
wide
applications
in
biomedicine.
However,
the
lack
of
effective
methods
to
activate
functional
layer
covered
by
external
inert
limits
their
future
applications.
Herein,
we
report
a
mineral
phase
reconfiguration
strategy
prepare
novel
nanozymes
molten
salt
method.
The
peroxidase-like
activity
VMT
nanozyme
is
10
times
that
VMT,
due
electronic
structure
change
iron
VMT.
Density-functional
theory
calculations
confirmed
upward
shifted
d-band
center
promoted
adsorption
H2O2
on
active
sites
and
significantly
elongated
O–O
bond
lengths.
exhibited
nearly
100%
antibacterial
toward
Escherichia
coli
(E.
coli)
Staphylococcus
aureus
(S.
aureus),
much
higher
than
10%,
S.
21%).
This
work
provides
new
insights
for
rational
design
efficient
bioactive
phyllosilicates-based
nanozyme.
