Advanced Optical Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 4, 2025
Abstract
Circularly
polarized
luminescence
(CPL)
materials
have
attracted
significant
attention
owing
to
their
unique
luminescent
properties
and
broad
range
of
applications.
However,
challenges
remain,
including
controlling
helical
assembly,
mitigating
aggregation‐caused
quenching,
balancing
quantum
yield
(
Φ
PL
)
with
g
values.
Here,
the
study
reports
synthesis
a
novel
asymmetric,
spiranic
O‐organoboranes
bearing
isoindolyl‐indolenine
scaffold
(BBI)
axial
chirality
through
BINOL
substitution,
as
well
its
supramolecular
assembly
surfactant‐regulated
tunable
CPL
behaviors.
The
newly
designed
BBI
dye
shows
relative
weak
10%
in
toluene.
Supramolecular
acetonitrile/water
co‐solvents
exhibit
an
obvious
aggregation‐induced
emission
(AIE)
process,
leading
formation
spherical
nanostructures
red‐shifted
orange‐yellow
(554
nm,
=
0.012,
7%).
Moreover,
surfactant
sodium
dodecyl
sulfonate
(SDS)
can
promote
aggregation
pure
deionized
water,
producing
nanofibers
blue‐shifted
yellow
(536
0.006,
13%).
Crystal
growth
toluene/hexane
SDS
aqueous/acetonitrile
systems
reveals
chiral
crystals
P
212121
space
group,
offering
insights
into
amplification.
This
demonstrates
ability
precisely
control
parameters,
X‐ray
single‐crystal
analysis
providing
additional
understanding
regulation.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 7, 2025
3-Amino
boron
dipyrromethenes
(BODIPYs)
are
a
versatile
class
of
fluorophores
widely
utilized
in
live
cell
imaging,
photodynamic
therapy,
and
fluorescent
materials
science.
Despite
the
growing
demand
for
optically
active
BODIPYs,
synthesis
chiral
3-amino-BODIPYs,
particularly
catalytic
asymmetric
version,
remains
challenge.
Herein,
we
report
boron-stereogenic
3-amino-BODIPYs
via
palladium-catalyzed
desymmetric
C–N
cross-coupling
prochiral
3,5-dihalogen-BODIPYs.
This
approach
features
broad
substrate
scope,
excellent
functional
group
tolerance,
high
efficiency,
remarkable
enantioselectivities,
under
mild
reaction
conditions.
Further
stereospecific
formation
3,5-diamino-BODIPYs,
along
with
an
investigation
into
photophysical
properties
resulting
optical
BODIPYs
also
explored.
protocol
not
only
enriches
chemical
space
chiroptical
BODIPY
dyes
but
contributes
to
realm
chemistry.
(BODIPYs),
which
useful
science,
authors
first
cross-couplings.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 5, 2025
Abstract
Lateral
flow
assays
(LFAs)
are
widely
applicable
in
clinical
point‐of‐care
testing
(POCT)
due
to
their
unique
advantages
such
as
simplicity,
rapidity,
and
cost‐effectiveness.
However,
sensitivity
is
often
constrained
by
the
background
autofluorescence
of
biological
sample,
self‐matrix,
or
readout
technique,
thereby
leading
overlooking
trace
amounts
biomarkers
present
early
disease.
In
recent
years,
various
nanomaterials‐based
methods
have
been
developed
address
this
issue,
including
time‐gated
wavelength‐differentiated
strategy
external
modulated
for
separation
minimize
interference
from
samples.
This
review
provides
a
comprehensive
overview
low‐background
luminescent
nanoparticles
(LBLNPs)‐enhanced
LFA
systems,
focusing
on
analyzing
underlying
mechanism
these
nanomaterials
improving
accuracy
LFAs
platform
diagnosis.
Representative
examples
selected
demonstrate
potential
detecting
disease‐associated
samples
blood,
urine,
saliva
et
al.
Finally,
unresolved
challenges
future
development
prospects
briefly
discussed.
Journal of Materials Chemistry B,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Near-infrared
fluorescence
imaging
is
key
in
biological
exploration.
Short
emission
wavelengths
of
xanthene
dyes
limit
their
use.
Structural
modifications
shift
emissions
to
the
NIR-I/II
range,
enhancing
biomedical
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 6, 2024
Abstract
Phototheranostics
with
second
near‐infrared
(NIR‐II)
emissions
show
great
potential
for
disease
diagnosis
and
imaging‐guided
phototherapy
owing
to
deep
tissue
penetration,
high
imaging
resolution,
excellent
tumor
eradication.
Recently,
molecular
conjugation
engineering
J‐aggregation
have
been
used
construct
organic
NIR‐II
materials.
However,
these
molecules
generally
extensive
large
weight
in
the
range
of
700–1700
g
mol
−1
,
requiring
complicated
design
synthesis.
Herein,
a
emissive
through‐space
charge‐transfer
(TSCT)
nanoparticle
(NP)
using
short‐conjugated
donor‐acceptor
(D‐A)
(TTP)
is
reported
high‐performance
bioimaging
cancer
phototheranostics.
Owing
short
TTP
molecule
small
only
518
monomer
possesses
visible
absorption
first
(NIR‐I)
emission.
Upon
forming
NPs
water,
efficient
TSCT
between
monomers
leads
significantly
red‐shifted
NIR‐I
emission
region
tail
that
extends
1400
nm.
are
employed
vivo
blood‐vessel
phototheranostics
successfully.
This
work
introduces
facile
strategy
based
on
D‐A
biomedical
applications.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Among
various
cancer
treatment
methods,
photodynamic
therapy
has
received
significant
attention
due
to
its
non-invasiveness
and
high
efficiency
in
inhibiting
tumour
growth.
Recently,
specific
organelle
targeting
photosensitizers
have
increasing
interest
their
precise
accumulation
ability
trigger
organelle-mediated
cell
death
signalling
pathways,
which
greatly
reduces
the
drug
dosage,
minimizes
toxicity,
avoids
multidrug
resistance,
prevents
recurrence.
In
this
review,
recent
advances
representative
used
targeted
on
organelles,
specifically
including
endoplasmic
reticulum,
Golgi
apparatus,
mitochondria,
nucleus,
lysosomes,
been
comprehensively
reviewed
with
a
focus
structure
pathways.
Furthermore,
perspective
future
research
potential
challenges
precision
presented
at
end.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(43), P. 29930 - 29941
Published: Oct. 18, 2024
Photodynamic
therapy
(PDT)
has
emerged
as
a
preferred
nonsurgical
treatment
in
clinical
applications
due
to
its
capacity
selectively
eradicate
diseased
tissues
while
minimizing
damage
normal
tissue.
Nevertheless,
efficacy
is
constrained
by
the
limited
penetration
of
visible
light.
Although
near-infrared
(NIR)
lasers
offer
enhanced
tissue
penetration,
dearth
suitable
photosensitizers
and
pronounced
imaging-treatment
disparity
pose
challenges.
Additionally,
implementation
via
optical
fiber
implantation
carries
infection
risks
necessitates
minimally
invasive
surgery,
contradicting
PDT's
noninvasive
advantage.
In
this
study,
we
introduce
brilliant
approach
utilizing
aggregation-induced
emission
luminogens
(AIEgen)
develop
visible-light
penetrator
(VLP),
coupled
with
wireless
light
emitting
diodes
(LEDs),
enabling
deep
photodynamic
therapy.
We
validate
therapeutic
inaccessible
conventional
PDT,
demonstrating
significant
suppression
inflammatory
diffusion
vivo
using
AIEgen
TBPPM
loaded
within
VLP,
which
exhibits
transmittance
86%
thickness
3
mm.
This
innovative
effectively
overcomes
substantial
limitations
PDT
settings
holds
promise
for
advancing
phototherapy.