Nano-Micro Letters,
Journal Year:
2020,
Volume and Issue:
12(1)
Published: Jan. 24, 2020
Abstract
Photothermal
therapy
(PTT)
using
near-infrared
(NIR)
light
for
tumor
treatment
has
triggered
extensive
attentions
because
of
its
advantages
noninvasion
and
convenience.
The
current
research
on
PTT
usually
uses
lasers
in
the
first
NIR
window
(NIR-I;
700–900
nm)
as
irradiation
source.
However,
second
(NIR-II;
1000–1700
especially
NIR-IIa
(1300–1400
is
considered
much
more
promising
diagnosis
superiority
penetration
depth
maximum
permissible
exposure
over
NIR-I
window.
Hereby,
we
propose
use
laser
excitation
at
1275
nm,
which
approved
by
Food
Drug
Administration
physical
therapy,
an
attractive
technique
to
balance
tissue
absorption
scattering
with
water
absorption.
Specifically,
CuS-PEG
nanoparticles
similar
values
808
a
conventional
PTT,
were
synthesized
agents
comparison
platform,
explore
potential
nm
deep-tissue
settings.
results
showed
that
was
practicable
PTT.
It
exhibited
desirable
outcomes
cell
ablation
vitro
antitumor
capabilities
vivo
compared
laser.
illumination
superior
shows
high
improve
outcome.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(37)
Published: June 26, 2021
Abstract
Owing
to
the
unique
advantages
of
photoacoustic
imaging
(PAI)
and
photothermal
therapy
(PTT)
conducted
over
near‐infrared‐II
(NIR‐II)
window,
development
high‐efficiency
optical
agents
with
NIR‐II
light
responsiveness
is
great
significance.
Despite
diversity
developed
for
PAI
PTT,
most
them
are
based
on
inorganic
nanomaterials
small
molecular
dyes,
whose
biosafety
photostability
need
be
further
assessed,
respectively.
Organic
semiconducting
macromolecular
dyes
(OSMDs)
featuring
a
large
backbone
becoming
alternative
candidates
PTT
owing
their
reliable
biocompatibility,
durable
photostability,
ideal
conversion
capability.
This
paper
reviews
current
progress
OSMD‐based
in
window.
The
three
main
types
OSMDs
different
skeleton
architectures
introduced,
applications
(tumor
imaging,
stem
cell
tracking,
vasculature
imaging)
ablation)
described.
Viable
strategies
improving
performance
discussed.
Finally,
some
major
issues
faced
by
raised,
future
directions
analyzed.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(19)
Published: Feb. 13, 2023
Abstract
Compared
to
conventional
photothermal
therapy
(PTT)
which
requires
hyperthermia
higher
than
50
°C,
mild‐temperature
PTT
is
a
more
promising
antitumor
strategy
with
much
lower
phototoxicity
neighboring
normal
tissues.
However,
the
therapeutic
efficacy
of
always
restricted
by
thermoresistance
cancer
cells.
To
address
this
issue,
supramolecular
drug
nanocarrier
fabricated
co‐deliver
nitric
oxide
(NO)
and
agent
DCTBT
NIR‐II
aggregation‐induced
emission
(AIE)
characteristic
for
PTT.
NO
can
be
effectively
released
from
nanocarriers
in
intracellular
reductive
environment
capable
simultaneously
producing
reactive
oxygen
species
(ROS)
upon
808
nm
laser
irradiation.
The
generated
ROS
further
react
produce
peroxynitrite
(ONOOˉ)
bearing
strong
oxidization
nitration
capability.
ONOOˉ
inhibit
expression
heat
shock
proteins
(HSP)
reduce
cells,
necessary
achieve
excellent
DCTBT‐based
at
mild
temperature
(<50
°C).
performance
ONOOˉ‐potentiated
validated
on
subcutaneous
orthotopic
hepatocellular
carcinoma
(HCC)
models.
This
research
puts
forward
an
innovative
overcome
PTT,
provides
new
inspirations
explore
ONOOˉ‐sensitized
tumor
strategies.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(20)
Published: March 17, 2023
Integrating
the
ultralong
excitation
wavelength,
high
extinction
coefficient,
and
prominent
photothermal
conversion
ability
into
a
single
agent
is
an
appealing
yet
significantly
challenging
task.
Herein,
precise
dual-acceptor
engineering
strategy
exploited
for
this
attempt
based
on
donor-acceptor
(D-A)
type
semiconductor
polymers
by
subtly
regulating
molar
proportions
of
two
employed
electron
acceptor
moieties
featuring
different
electronic
affinity
π-conjugation
degrees,
making
full
use
active
intramolecular
motion-induced
effect.
The
optimal
polymer
SP4
synchronously
shows
desirable
second
near-infrared
(NIR-II)
absorption,
extremely
satisfactory
behavior.
Consequently,
unprecedented
performance
NPs
1064
nm
laser-excited
photoacoustic
imaging
(PAI)-guided
therapy
(PTT)
demonstrated
tumor
diagnosis
complete
elimination.
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.
BMEMat,
Journal Year:
2023,
Volume and Issue:
1(1)
Published: Jan. 30, 2023
Abstract
Near‐infrared
(NIR)
absorbing
materials
hold
great
potential
in
biomedical
applications,
such
as
fluorescence
imaging
(FLI),
photoacoustic
(PAI),
photodynamic
therapy
(PDT),
and
photothermal
(PTT).
Generally,
these
can
be
classified
into
two
main
categories
based
on
their
wavelengths:
the
first
NIR
(NIR‐I)
(~650–950
nm)
second
(NIR‐II)
(~1000–1700
materials.
Due
to
reduced
absorption
scattering
of
NIR‐II
light
tissue
compared
NIR‐I
light,
enable
with
improved
contrast
deepened
penetration,
which
is
favor
practical
applications.
Various
inorganic
have
been
developed
for
phototheranostics
recent
years.
However,
non‐biodegradability
toxicity
hinder
further
clinical
translation.
Biocompatible
organic
biodegradability
well
tailored
optical
property
are
thus
more
desired.
In
this
review,
we
summarize
advances
nanoagents
(ONAs)
small
molecules
(SMs)
conjugated
polymers
(CPs)
PAI
PTT
show
our
perspectives
future
challenges
development
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(5), P. 3916 - 3968
Published: Jan. 23, 2024
Dynamic
variations
in
the
concentration
and
abnormal
distribution
of
endogenous
biomarkers
are
strongly
associated
with
multiple
physiological
pathological
states.
Therefore,
it
is
crucial
to
design
imaging
systems
capable
real-time
detection
dynamic
changes
for
accurate
diagnosis
effective
treatment
diseases.
Recently,
ratiometric
has
emerged
as
a
widely
used
technique
sensing
due
its
advantage
circumventing
limitations
inherent
conventional
intensity-dependent
signal
readout
methods
while
also
providing
built-in
self-calibration
correction.
Here,
recent
progress
probes
their
applications
outlined.
Ratiometric
classified
according
mechanisms,
photoacoustic
imaging,
optical
including
photoluminescence
self-luminescence
magnetic
resonance
dual-modal
discussed.
The
such
pH,
reactive
oxygen
species
(ROS),
nitrogen
(RNS),
glutathione
(GSH),
gas
molecules,
enzymes,
metal
ions,
hypoxia
discussed
detail.
Additionally,
this
Review
presents
an
overview
challenges
faced
field
along
future
research
directions.
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(22), P. 15251 - 15263
Published: May 23, 2024
Glioblastoma
(GBM)
poses
a
significant
therapeutic
challenge
due
to
its
invasive
nature
and
limited
drug
penetration
through
the
blood–brain
barrier
(BBB).
In
response,
here
we
present
an
innovative
biomimetic
approach
involving
development
of
genetically
engineered
exosome
nanocatalysts
(Mn@Bi2Se3@RGE-Exos)
for
efficient
GBM
therapy
via
improving
BBB
enzyme-like
catalytic
activities.
Interestingly,
photothermally
activatable
multiple
reactivity
is
observed
in
such
nanosystem.
Upon
NIR-II
light
irradiation,
Mn@Bi2Se3@RGE-Exos
are
capable
converting
hydrogen
peroxide
into
hydroxyl
radicals,
oxygen,
superoxide
providing
peroxidase
(POD),
oxidase
(OXD),
catalase
(CAT)-like
nanocatalytic
cascade.
This
consequently
leads
strong
oxidative
stresses
damage
cells.
vitro,
vivo,
proteomic
analysis
further
reveal
potential
disruption
cellular
homeostasis,
enhancement
immunological
induction
cancer
cell
ferroptosis,
showcasing
great
promise
anticancer
efficacy
against
with
favorable
biosafety
profile.
Overall,
success
this
study
provides
feasible
strategy
future
design
clinical
stimuli-responsive
medicine,
especially
context
challenging
brain
cancers
like
GBM.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(32)
Published: March 22, 2024
Abstract
The
development
of
semiconducting
polymers
(SPs)
with
simultaneous
second
near‐infrared
(NIR‐II)
absorption
and
multimodal
phototheranostic
functions
is
highly
desired
in
the
field
oncotherapy.
Aggregation‐induced
emission
luminogens
(AIEgens)
have
been
acknowledged
to
possess
unique
potential
integrating
multiple
diagnostic
therapeutic
modalities
into
one
organic
molecule.
Nevertheless,
SPs
are
hard
achieve
AIE
activity
due
their
extended
π‐conjugated
skeletons
as
well
large
planar
configuration
commonly‐used
electrophilic
acceptor
moieties.
Herein,
an
ingenious
dimerization‐based
distortion
strategy
proposed
current
work
by
taking
advantage
sterically
encumbered
acceptors
structure
for
successful
construction
AIE‐active
SPs.
Through
further
finely
adjusting
molecular
donor–acceptor
interaction
strength,
obtained
named
SP3
bearing
highest
intramolecular
charge
transfer
effect
presented
NIR‐II
aggregation‐induced
fluorescence
emission,
good
reactive
oxygen
species
production
ability,
superior
photothermal
conversion
performance.
Accordingly,
selected
fabricate
nanoparticles
successfully
applied
laser‐triggered
fluorescence‐photoacoustic
imaging‐guided
photodynamic‐photothermal
therapy
tumors.
This
study
represents
first
excitable
SP,
offers
a
new
perspective
on
designing
advanced
efficient
treatment
malignant
tumor.