Advanced Materials,
Год журнала:
2024,
Номер
36(31)
Опубликована: Апрель 14, 2024
Although
nanozymes
have
drawn
great
attention
over
the
past
decade,
activities
of
peroxidase-like,
oxidase-like,
and
catalase-like
are
often
pH
dependent
with
elusive
mechanism,
which
largely
restricts
their
application.
Therefore,
a
systematical
discussion
on
pH-related
catalytic
mechanisms
together
methods
to
overcome
this
limitation
is
in
need.
In
review,
various
exhibiting
pH-dependent
collected
root
causes
for
dependence
comprehensively
analyzed.
Subsequently,
regulatory
concepts
including
environment
reconstruction
direct
activity
improvement
break
restriction
summarized.
Moreover,
applications
pH-independent
sensing,
disease
therapy,
pollutant
degradation
overviewed.
Finally,
current
challenges
future
opportunities
development
suggested.
It
anticipated
that
review
will
promote
further
design
broaden
application
range
higher
efficiency.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июль 13, 2024
Abstract
Although
Prussian
blue
nanozymes
(PBNZ)
are
widely
applied
in
various
fields,
their
catalytic
mechanisms
remain
elusive.
Here,
we
investigate
the
long-term
performance
of
PBNZ
as
peroxidase
(POD)
and
catalase
(CAT)
mimetics
to
elucidate
lifespan
underlying
mechanisms.
Unlike
our
previously
reported
Fe
3
O
4
nanozymes,
which
exhibit
depletable
POD-like
activity,
POD
CAT-like
activities
not
only
persist
but
slightly
enhance
over
prolonged
catalysis.
We
demonstrate
that
irreversible
oxidation
significantly
promotes
catalysis,
leading
self-increasing
activities.
The
process
pre-oxidized
can
be
initiated
through
either
conduction
band
pathway
or
valence
pathway.
In
summary,
reveal
follows
a
dual-path
electron
transfer
mechanism
during
offering
advantage
long
service
life.
Advanced Sensor Research,
Год журнала:
2023,
Номер
2(9)
Опубликована: Май 20, 2023
Abstract
Mesoporous
carbon
nitrides
(MCNs)
are
versatile
materials
and
find
use
in
applications
such
as
catalysis,
gas
capture,
remediation.
The
development
of
new
forms
MCNs,
C
3
N
5
,
6,
7,
has
expanded
their
scope
further.
One
the
least
reviewed
these
is
field
sensing,
though
it
been
demonstrated
that
sensing
abilities
on
par
with
other
comparable
materials.
Their
excellent
properties
high
surface
area,
tunable
stoichiometry,
adjustable
electronic
structure,
basicity,
make
them
well‐suited
for
adsorption
detection
a
wide
range
analytes.
Herein,
findings
synthesis
MCNs
exciting
prospects
reviewed.
review
divided
into
two
broad
sections:
1)
discussions
using
hard/soft
templating,
sol–gel,
template‐free
methods;
2)
capabilities
photoelectrochemical,
optical,
quartz
microbalance‐based
sensing.
from
recent
literature
showcased
covered
topics
explained
comparative
analyses.
current
timely
presentation
concerned
topic
will
serve
useful
piece
information
developing
advanced
sensors
MCN
based
