Science Advances,
Journal Year:
2023,
Volume and Issue:
9(31)
Published: Aug. 2, 2023
Strong
fluorescence
and
high
catalytic
activities
cannot
be
achieved
simultaneously
due
to
conflicts
in
free
electron
utilization,
resulting
a
lack
of
bioactivity
most
near-infrared-II
(NIR-II)
fluorophores.
To
circumvent
this
challenge,
we
developed
atomically
precise
Au22
clusters
with
strong
NIR-II
ranging
from
950
1300
nm
exhibiting
potent
enzyme-mimetic
through
atomic
engineering
create
active
Cu
single-atom
sites.
The
Au21Cu1
show
18-fold
higher
antioxidant,
90-fold
catalase-like,
3-fold
superoxide
dismutase-like
than
clusters,
negligible
loss.
Doping
single
atoms
decreases
the
bandgap
1.33
1.28
eV
by
predominant
contributions
d
states,
lost
states
effectuates
activities.
renal
clearable
can
monitor
cisplatin-induced
injury
20-
120-minute
window
visualize
it
three
dimensions
using
light-sheet
microscopy.
Furthermore,
inhibit
oxidative
stress
inflammation
cisplatin-treated
mouse
model,
particularly
kidneys
brain.
Angewandte Chemie International Edition,
Journal Year:
2020,
Volume and Issue:
60(30), P. 16294 - 16308
Published: Aug. 12, 2020
The
development
of
fluorophores
for
the
second
near-infrared
window
(NIR-II,
1000-1700
nm)
represents
an
emerging,
significant,
and
vibrant
field
in
analytic
chemistry,
chemical
biology,
biomedical
engineering.
wavelength,
brightness,
stability
are
three
crucial
factors
that
determine
performance
NIR-II
fluorophore.
Up
to
now,
significant
progress
has
been
made
fluorescence
molecular
probes,
including
synthesis
D-A-D
D-π-A
with
improved
imaging
construction
off-on
probes
ratiometric
via
energy
transfer
or
structure
modification.
In
this
review,
we
summarize
most
recent
advances
engineering
design
strategies
then
highlight
a
selection
bioimaging
biosensing
applications.
We
also
provide
perspectives
on
potential
challenges
opportunities
emerging
field.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
122(1), P. 209 - 268
Published: Oct. 19, 2021
In
vivo
imaging
in
the
second
near-infrared
window
(NIR-II,
1000-1700
nm),
which
enables
us
to
look
deeply
into
living
subjects,
is
producing
marvelous
opportunities
for
biomedical
research
and
clinical
applications.
Very
recently,
there
has
been
an
upsurge
of
interdisciplinary
studies
focusing
on
developing
versatile
types
inorganic/organic
fluorophores
that
can
be
used
noninvasive
NIR-IIa/IIb
(NIR-IIa,
1300-1400
nm;
NIR-IIb,
1500-1700
nm)
with
near-zero
tissue
autofluorescence
deeper
penetration.
This
review
provides
overview
reports
published
date
design,
properties,
molecular
imaging,
theranostics
fluorophores.
First,
we
summarize
design
concepts
up-to-date
functional
biomaterials,
order
single-walled
carbon
nanotubes
(SWCNTs),
quantum
dots
(QDs),
rare-earth-doped
nanoparticles
(RENPs),
organic
(OFs).
Then,
these
novel
modalities
applications
brought
by
superior
fluorescent
properties
are
reviewed.
Finally,
challenges
perspectives
future
translation,
aiming
at
boosting
application
progress
NIR-IIa
NIR-IIb
technology
highlighted.
Angewandte Chemie International Edition,
Journal Year:
2020,
Volume and Issue:
60(14), P. 7476 - 7487
Published: June 9, 2020
Fluorescence
imaging
in
the
second
near-infrared
(NIR-II)
window
facilitated
by
aggregation-induced
emission
luminogens
(AIEgens)
is
an
emerging
research
field.
NIR-II
AIEgens
overcome
limitations
imposed
penetration
depth
and
fluorescence
efficiency,
offering
high-performance
with
enhanced
precision.
Some
reported
demonstrate
capabilities
for
photoacoustic
bimodal
imaging,
guided
photothermal
therapy,
which
not
only
improves
diagnosis
accuracy
but
provides
efficient
theranostic
platform
to
accelerate
preclinical
translation
as
well.
This
minireview
summarizes
recent
efforts
on
exploiting
regard
molecular
design
strategies
bioapplications,
puts
forward
current
challenges
promising
prospects.
timely
sketch
should
benefit
further
exploitation
of
diverse
multifunctional
a
wide
array
applications.
Chemical Society Reviews,
Journal Year:
2021,
Volume and Issue:
50(4), P. 2839 - 2891
Published: Jan. 1, 2021
Supramolecular
cancer
nanotheranostics
have
shown
promising
potentials
in
early-stage
diagnosis
and
personal
therapy.
Herein,
we
summarize
the
progress
of
supramolecular
provide
guidance
for
designing
new
targeted
theranostic
agents.
Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: Aug. 21, 2020
Abstract
Bioluminescence
imaging
has
been
widely
used
in
life
sciences
and
biomedical
applications.
However,
conventional
bioluminescence
usually
operates
the
visible
region,
which
hampers
high-performance
vivo
optical
due
to
strong
tissue
absorption
scattering.
To
address
this
challenge,
here
we
present
probes
(BPs)
with
emission
second
near
infrared
(NIR-II)
region
at
1029
nm
by
employing
resonance
energy
transfer
(BRET)
two-step
fluorescence
(FRET)
a
specially
designed
cyanine
dye
FD-1029.
The
biocompatible
NIR-II-BPs
are
successfully
applied
vessels
lymphatics
mice,
gives
~5
times
higher
signal-to-noise
ratios
~1.5
spatial
resolution
than
those
obtained
NIR-II
imaging.
Their
capability
of
multiplexed
is
also
well
displayed.
Taking
advantage
ATP-responding
character,
able
recognize
tumor
metastasis
high
tumor-to-normal
ratio
83.4.
ACS Central Science,
Journal Year:
2020,
Volume and Issue:
6(8), P. 1302 - 1316
Published: July 23, 2020
Fluorescence
imaging
has
made
tremendous
inroads
toward
understanding
the
complexity
of
biological
systems,
but
in
vivo
deep-tissue
remains
a
great
challenge
due
to
optical
opacity
tissue.
Recent
improvements
laser
and
detector
manufacturing
have
allowed
expansion
nonlinear
linear
fluorescence
underexplored
"tissue-transparent"
second
near-infrared
(NIR-II;
1000–1700
nm)
window,
opening
up
new
opportunities
for
access
deep
inside
opaque
Molecular
fluorophores
historically
played
major
role
bioimaging.
It
is
increasingly
important
design
molecular
fully
unlock
potential
NIR-II
techniques.
In
this
outlook,
we
give
an
overview
novel
developed
bioimaging
past
five
years
discuss
their
pros
cons
applications.
Guidelines
designing
with
desirable
properties
are
also
provided.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
32(28)
Published: June 3, 2020
Abstract
Deep
tissue
imaging
in
the
second
near‐infrared
(NIR‐II)
window
holds
great
promise
for
widespread
fundamental
research.
However,
inhomogeneous
signal
attenuation
due
to
absorption
and
scattering
hampers
its
application
accurate
vivo
biosensing.
Here,
lifetime‐based
situ
hepatocellular
carcinoma
(HCC)
detection
NIR‐II
region
is
presented
using
a
tumor‐microenvironment
(peroxynitrite,
ONOO
−
)‐responsive
lanthanide–cyanine
Förster
resonance
energy
transfer
(FRET)
nanosensor.
A
specially
designed
‐responsive
dye,
MY‐1057,
synthesized
as
FRET
acceptor.
Robust
lifetime
sensing
demonstrated
be
independent
of
penetration
depth.
Tumor
lesions
are
accurately
distinguished
from
normal
recovery
lifetime.
Magnetic
liver
dissection
results
illustrate
reliability
single
multiple
HCC
models.
Moreover,
amount
can
calculated
according
standard
curve.