Angewandte Chemie,
Journal Year:
2023,
Volume and Issue:
135(7)
Published: Jan. 17, 2023
Abstract
Since
the
insight
to
fuse
Fenton
chemistry
and
nanomedicine
into
cancer
therapy,
great
signs
of
progress
have
been
made
in
field
chemodynamic
therapy
(CDT).
However,
exact
mechanism
CDT
is
obscured
by
unique
tumor
chemical
environment
inevitable
nanoparticle‐cell
interactions,
thus
impeding
further
development.
In
this
Scientific
Perspective,
significance
clarified,
complex
deconstructed
primitive
biological
research
directions
based
on
kinetics
signaling
pathways
are
discussed
detail.
Moreover,
beneficial
outlooks
presented
enlighten
evolution
next‐generation
CDT.
Hopefully,
Perspective
can
inspire
new
ideas
advances
for
provide
a
reference
breaking
down
interdisciplinary
barriers
nanomedicine.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Feb. 7, 2024
Single-atom
nanozymes
(SAzymes)
showcase
not
only
uniformly
dispersed
active
sites
but
also
meticulously
engineered
coordination
structures.
These
intricate
architectures
bestow
upon
them
an
exceptional
catalytic
prowess,
thereby
captivating
numerous
minds
and
heralding
a
new
era
of
possibilities
in
the
biomedical
landscape.
Tuning
microstructure
SAzymes
on
atomic
scale
is
key
factor
designing
targeted
with
desirable
functions.
This
review
first
discusses
summarizes
three
strategies
for
their
impact
reactivity
biocatalysis.
The
effects
choices
carrier,
different
synthesis
methods,
modulation
first/second
shell,
type
number
metal
centers
enzyme-like
activity
are
unraveled.
Next,
attempt
made
to
summarize
biological
applications
tumor
therapy,
biosensing,
antimicrobial,
anti-inflammatory,
other
from
mechanisms.
Finally,
how
designed
regulated
further
realization
diverse
reviewed
prospected.
It
envisaged
that
comprehensive
presented
within
this
exegesis
will
furnish
novel
perspectives
profound
revelations
regarding
SAzymes.
ACS Materials Letters,
Journal Year:
2023,
Volume and Issue:
5(2), P. 466 - 472
Published: Jan. 13, 2023
Metal–organic
frameworks
are
smart
carriers
for
controlled
drug
delivery
due
to
large
surface
area
and
adjustable
pore
size.
Current
approaches
can
hardly
utilize
the
space
of
MOFs
thoroughly,
greatly
causing
waste
space.
Here,
Pore
Space
Partition
(PSP)
approach
was
employed
achieve
effective
encapsulation
pH-controlled
codelivery
two
guest
molecules.
The
ZIF-8
partitioned
by
molecule
ursolic
acid
(UA),
remaining
filled
with
small
5-fluorouracil
(5-FU),
obtaining
5-FU&UA@ZIF-8
high
loading
capacity
UA
(12.80
wt
%)
5-FU
(11.20
%).
Accompanied
collapse
in
acidic
surroundings,
exhibited
delivery.
To
our
surprise,
also
showed
pH
responsive
delivery,
which
did
not
exist
before
partition
UA.
Codelivery
enable
have
good
anticancer
performance
against
4T1
cells.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(13), P. 12544 - 12562
Published: June 24, 2023
To
achieve
the
maximum
therapeutic
effects
and
minimize
adverse
of
trimodal
synergistic
tumor
therapies,
a
cost-effective
programmed
photothermal
(PTT)-chemodynamic
(CDT)-coordinated
dual
drug
chemotherapy
(CT)
therapy
strategy
in
chronological
order
is
proposed.
According
to
status
or
volumes
tumors,
intensity
time
each
modality
are
optimized,
three
modalities
combined
programmatically
work
order.
The
optimal
begins
with
high-intensity
PTT
for
10
min
ablate
larger
followed
by
medium-intensity
CDT
several
hours
eliminate
medium-sized
then
low-intensity
coordinated
drugs
CT
lasts
over
48
h
clear
smaller
residual
tumors.
Composite
nanoparticles,
made
Fe-coordinated
polydopamine
mixed
copper
peroxide
as
cores
their
surface
dotted
lots
doxorubicin-Fe(III)-gossypol
infinite
coordination
polymers
(ICPs),
have
been
developed
implement
strategy.
These
composite
nanoparticles
show
excellent
minimum
dose
agents
result
nearly
100%
inhibition
mice
bearing
PC-3
tumors
no
observed
recurrence
within
60
days
treatment.
ratios
different
can
be
adjusted
accommodate
types
this
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
12(16), P. 3881 - 3907
Published: Jan. 1, 2024
Water
splitting
is
promising,
especially
for
energy
and
environmental
applications;
however,
there
are
limited
studies
on
the
link
between
water
cancer
treatment.
Upconversion
nanoparticles
(UCNPs)
can
be
used
to
convert
near-infrared
(NIR)
light
ultraviolet
(UV)
or
visible
(Vis)
have
great
potential
biomedical
applications
because
of
their
profound
penetration
ability,
theranostic
approaches,
low
self-fluorescence
background,
reduced
damage
biological
tissue,
toxicity.
UCNPs
with
photocatalytic
materials
enhance
activities
that
generate
a
shorter
wavelength
increase
tissue
depth
in
microenvironment
under
NIR
irradiation.
Moreover,
photosensitizer
absorb
it
into
UV/vis
emit
upconverted
photons,
which
excite
photoinitiator
create
H
Theranostics,
Journal Year:
2022,
Volume and Issue:
12(11), P. 5155 - 5171
Published: Jan. 1, 2022
Nanozyme-based
tumor
collaborative
catalytic
therapy
has
attracted
a
great
deal
of
attention
in
recent
years.However,
their
cooperative
outcome
remains
challenge
due
to
the
unique
characteristics
microenvironment
(TME),
such
as
insufficient
endogenous
hydrogen
peroxide
(H2O2)
level,
hypoxia,
and
overexpressed
intracellular
glutathione
(GSH).Methods:
Herein,
TME-activated
atomic-level
engineered
PtN4C
single-atom
nanozyme
(PtN4C-SAzyme)
is
fabricated
induce
"butterfly
effect"
reactive
oxygen
species
(ROS)
through
facilitating
H2O2
cycle
accumulation
GSH
deprivation
well
X-ray
deposition
for
ROS-involving
CDT
O2-dependent
chemoradiotherapy.Results:
In
paradigm,
SAzyme
could
boost
substantial
•OH
generation
by
admirable
peroxidase-like
activity
capacity.Simultaneously,
O2
self-sufficiency,
elimination
elevated
Pt
2+
release
can
be
achieved
self-cyclic
valence
alteration
(IV)
(II)
alleviating
overwhelming
anti-oxidation
defense
effect
overcoming
drug-resistance.More
importantly,
PtN4C-SAzyme
also
convert
•-into
superior
superoxide
dismutase-like
achieve
sustainable
replenishment
H2O2,
further
react
with
realizing
cyclic
at
site,
thereby
generating
"key"
unlock
multi
enzymes-like
properties
SAzymes
tumor-specific
self-reinforcing
chemoradiotherapy.Conclusions:
This
work
not
only
provides
promising
SAzyme-based
paradigm
self-supplement
O2-evolving
capacity
intensive
chemoradiotherapy
but
opens
new
horizons
construction
other
SAzymes.