Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
63(10)
Published: Dec. 18, 2023
Real-time
monitoring
of
hydroxyl
radical
(⋅OH)
generation
is
crucial
for
both
the
efficacy
and
safety
chemodynamic
therapy
(CDT).
Although
⋅OH
probe-integrated
CDT
agents
can
track
production
by
themselves,
they
often
require
complicated
synthetic
procedures
suffer
from
self-consumption
⋅OH.
Here,
we
report
facile
fabrication
a
self-monitored
agent
(denoted
as
Fc-CD-AuNCs)
incorporating
ferrocene
(Fc)
into
β-cyclodextrin
(CD)-functionalized
gold
nanoclusters
(AuNCs)
via
host-guest
molecular
recognition.
The
water-soluble
CD
served
not
only
capping
to
protect
AuNCs
but
also
macrocyclic
host
encapsulate
solubilize
hydrophobic
Fc
guest
with
high
Fenton
reactivity
in
vivo
applications.
Importantly,
encapsulated
inside
possessed
strong
electron-donating
ability
effectively
quench
second
near-infrared
(NIR-II)
fluorescence
through
photoinduced
electron
transfer.
After
internalization
Fc-CD-AuNCs
cancer
cells,
reaction
between
redox-active
quencher
endogenous
hydrogen
peroxide
(H
Chemical Reviews,
Journal Year:
2022,
Volume and Issue:
122(9), P. 9032 - 9077
Published: March 21, 2022
Cucurbit[n]urils
(Q[n]s
or
CB[n]s),
as
a
classical
of
artificial
organic
macrocyclic
hosts,
were
found
to
have
excellent
advantages
in
the
fabricating
tunable
and
smart
luminescent
materials
aqueous
media
solid
state
with
high
emitting
efficiency
under
rigid
pumpkin-shaped
structure-derived
macrocyclic-confinement
effect
recent
years.
This
review
aims
give
systematically
up-to-date
overview
Q[n]-based
supramolecular
emissions
from
confined
spaces
triggered
host–guest
complexes,
including
assembly
fashions
mechanisms
macrocycle-based
well
their
applications.
Finally,
challenges
outlook
are
provided.
Since
this
class
emissions,
which
essentially
derived
cavity-dependent
confinement
resulting
fashions,
emerged
only
few
years
ago,
we
hope
will
provide
valuable
information
for
further
development
light-emitting
other
related
research
fields.
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(7), P. 4081 - 4087
Published: Feb. 13, 2023
The
highly
oxygen-dependent
nature
of
photodynamic
therapy
(PDT)
limits
its
therapeutic
efficacy
against
hypoxic
solid
tumors
in
clinics,
which
is
an
urgent
problem
to
be
solved.
Herein,
we
develop
oxygen-independent
supramolecular
agent
that
produces
hydroxyl
radical
(•OH)
by
oxidizing
water
the
presence
intracellularly
abundant
pyruvic
acid
under
oxygen-free
conditions.
A
fluorene-substituted
BODIPY
was
designed
as
electron
donor
and
coassembled
with
perylene
diimide
acceptor
form
quadruple
hydrogen-bonded
agent.
Detailed
mechanism
studies
reveal
intermolecular
transfer
charge
separation
upon
light
irradiation
result
efficient
generation
ion
pairs.
Under
conditions,
cationic
radicals
directly
oxidize
generate
cytotoxic
•OH,
anionic
electrons
acid,
realizing
catalytic
cycle.
Thus,
this
exhibited
superb
photocytotoxicity
even
severe
environments
excellent
vivo
antitumor
on
HeLa-bearing
mouse
models.
This
work
provides
a
strategy
for
constructing
agents,
opens
up
avenue
effective
PDT
tumors.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(5), P. 2699 - 2804
Published: Feb. 29, 2024
The
ability
to
gain
spatiotemporal
information,
and
in
some
cases
achieve
control,
the
context
of
drug
delivery
makes
theranostic
fluorescent
probes
an
attractive
intensely
investigated
research
topic.
This
interest
is
reflected
steep
rise
publications
on
topic
that
have
appeared
over
past
decade.
Theranostic
probes,
their
various
incarnations,
generally
comprise
a
fluorophore
linked
masked
drug,
which
released
as
result
certain
stimuli,
with
both
intrinsic
extrinsic
stimuli
being
reported.
release
then
signaled
by
emergence
signal.
Importantly,
use
appropriate
fluorophores
has
enabled
not
only
this
emerging
fluorescence
marker
for
but
also
provided
modalities
useful
photodynamic,
photothermal,
sonodynamic
therapeutic
applications.
In
review
we
highlight
recent
work
particular
focus
are
activated
tumor
microenvironments.
We
summarize
efforts
develop
other
applications,
such
neurodegenerative
diseases
antibacterials.
celebrates
diversity
designs
reported
date,
from
discrete
small-molecule
systems
nanomaterials.
Our
aim
provide
insights
into
potential
clinical
impact
still-emerging
direction.
Bioactive Materials,
Journal Year:
2022,
Volume and Issue:
21, P. 358 - 380
Published: Sept. 14, 2022
Nanomedicines
for
drug
delivery
and
imaging-guided
cancer
therapy
is
a
rapidly
growing
research
area.
The
unique
properties
of
nanomedicines
have
massive
potential
in
solving
longstanding
challenges
existing
drugs,
such
as
poor
localization
at
the
tumor
site,
high
doses
toxicity,
recurrence,
immune
response.
However,
inadequate
biocompatibility
restricts
their
clinical
translation.
Therefore,
advanced
nanomaterials
with
enhanced
therapeutic
efficiency
are
highly
desired
to
fast-track
translation
nanomedicines.
Intrinsic
nanoscale
covalent
organic
frameworks
(nCOFs),
suitable
size,
modular
pore
geometry
porosity,
straightforward
post-synthetic
modification
via
simple
transformations,
make
them
incredibly
attractive
future
ability
COFs
disintegrate
slightly
acidic
microenvironment
also
gives
competitive
advantage
targeted
delivery.
This
review
summarizes
recently
published
applications
delivery,
photo-immuno
therapy,
sonodynamic
photothermal
chemotherapy,
pyroptosis,
combination
therapy.
Herein
we
mainly
focused
on
modifications
enhance
biocompatibility,
efficacy
will
provide
fundamental
knowledge
designing
biocompatible
nCOFs-based
help
rapid
development
carriers
theranostics.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(29)
Published: June 9, 2023
Abstract
Growing
concern
about
photothermal
tumor
therapy
(PTT)
as
a
promising
alternative
to
conventional
liver
cancer
treatment,
which
is
treatment
strategy
that
utilizes
near‐infrared
(NIR)
light‐induced
agents
(PTAs)
yield
effects
localize
thermal
damage
for
tumors.
Herein,
given
the
gap
between
experimental
research
and
clinical
application,
this
review
seeks
timely
summarize
highlight
recent
progress
of
PTAs
used
in
vivo
vitro
last
five‐year.
The
implications
various
on
multifunctional
conversion
capability,
structure‐performance
correlations
PTT,
together
with
evaluation
their
potential
application
are
systematically
dissected
further
dig
out
what
buried
mechanism
is.
Besides,
higher
requirements
put
forward
discrepancies
crucial
issues
faced
by
different
PTT
related
medical
technical
obstacles
being
conquered,
lays
solid
theoretical
foundation
field
oncology
whole,
especially
cancer.
Finally,
it
expected
can
present
valuable
guidance
design
efficient,
photostability,
biosafety‐aware
anticancer
while
stepping
into
fast
traffic
lane
from
bench
bedside
foreseeable
future.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(12)
Published: Jan. 23, 2024
We
herein
present
an
approach
of
photo-induced
disproportionation
for
preparation
Type-I
photodynamic
agents.
As
a
proof
concept,
BODIPY-based
photosensitizers
were
rationally
designed
and
prepared.
The
intermolecular
electron
transfer
between
homotypic
chromophores
leads
to
the
reaction,
resulting
in
formation
charged
intermediates,
cationic
anionic
radicals.
radicals
efficiently
oxidize
cellularimportant
coenzyme,
tetrahydrobiopterin
(BH
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(18)
Published: March 2, 2024
Abstract
Photoacoustic
imaging
(PAI)‐guided
photothermal
therapy
(PTT)
in
the
second
near‐infrared
(NIR‐II,
1000–1700
nm)
window
has
been
attracting
attention
as
a
promising
cancer
theranostic
platform.
Here,
it
is
reported
that
π‐extended
porphyrins
fused
with
one
or
two
nanographene
units
(NGP‐1
and
NGP‐2)
can
serve
new
class
of
NIR‐responsive
organic
agents,
displaying
absorption
extending
to
≈1000
≈1400
nm
NIR‐I
NIR‐II
windows,
respectively.
NGP‐1
NGP‐2
are
dispersed
water
through
encapsulation
into
self‐assembled
nanoparticles
(NPs),
achieving
high
conversion
efficiency
60%
69%,
respectively,
under
808
1064
laser
irradiation.
Moreover,
NIR‐II‐active
NGP‐2‐NPs
demonstrated
photoacoustic
responses,
along
photostability
biocompatibility,
enabling
PAI
efficient
PTT
vivo.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(23)
Published: Feb. 15, 2024
Abstract
High‐performance
theranostic
systems
are
of
paramount
importance
for
achieving
precise
image‐guided
cancer
immunotherapy.
Here,
a
novel
nanoplatform
is
presented
that
integrates
aggregation‐induced
emission
luminogen
(AIEgen)
with
prussian
blue
(PB)
nanocatalyzer
robust
The
AIEgen
dimethylamine
substitution
demonstrates
compelling
near‐infrared
(NIR)
light‐induced
photothermal
conversion
and
photodynamic
therapy
(PDT)
capabilities.
By
incorporating
into
porous
PBNPs,
further
enveloped
within
M1
macrophage
membrane,
tumor‐specific
nanoagent
constructed.
This
strategic
integration
effectively
constrains
the
molecular
motion
AIEgen,
leading
to
amplified
NIR‐II
fluorescence
brightness
PDT
attributes.
Moreover,
PBNPs
can
catalyze
tumor‐overexpressed
H
2
O
generate
oxygen
boost
efficacy,
PB's
NIR
absorption
also
intensifies
photoacoustic
imaging
effect.
provides
comprehensive
information
photoimmunotherapy
in
orthotopic
breast
cancer‐bearing
mice.
Leveraging
its
potent
immunogenic
cell
death
effect,
not
only
significantly
inhibits
growth,
but
generates
whole‐cell
therapeutic
vaccine
protect
mice
from
tumor
rechallenge.
In
highly
malignant
post‐surgery
models,
enables
both
accurate
identification
residual
tumors
efficient
inhibition
postoperative
recurrence
pulmonary
metastasis.
study
will
offer
valuable
insights
creating
efficacious
multifaceted
protocols.