ACS Macro Letters,
Год журнала:
2024,
Номер
unknown, С. 35 - 42
Опубликована: Дек. 19, 2024
Nanobowls
show
promising
potential
in
biomedical
applications,
such
as
bioimaging,
cargo
delivery,
and
disease
theranostics,
due
to
their
unique
concave
structure
interior
cavities.
However,
the
lack
of
biodegradable
nanobowls
with
manipulable
size
(especially
dent
size)
still
exists
an
obstacle
for
in-depth
exploration
application
fields.
Herein,
polypeptide-based
are
successfully
obtained
by
self-assembly
a
graft
polypeptide
[named
TPE-P(GAAzo
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 3, 2024
Abstract
Stimuli‐responsive
circularly
polarized
luminescent
(CPL)
materials
are
expected
to
find
widespread
application
in
advanced
information
technologies,
such
as
3D
displays,
multilevel
encryption,
and
chiral
optical
devices.
Here,
using
R‐/S‐α‐phenylethylamine
3,4,9,10‐perylenetetracarboxylic
dianhydride
precursors,
carbon
dots
(Ch‐CDs)
exhibiting
bright
concentration‐dependent
luminescence
synthesized,
demonstrating
reversible
responses
both
their
morphologies
emission
spectra.
By
adjusting
Ch‐CD
concentration,
the
switchable
wavelength
is
extended
over
180
nm
(539–720
nm),
with
maximum
quantum
efficiency
reaching
100%.
Meanwhile,
upon
increasing
red‐shifts,
while
chirality
of
assembled
nanoribbons
synchronously
amplified,
ultimately
achieving
CPL
at
709
a
asymmetry
factor
2.18
×
10
−2
.
These
values
represent
longest
largest
g
lum
reported
for
CDs.
Considering
remarkable
properties
synthesized
Ch‐CDs,
logic
gates
designed,
potential
practical
applications
demonstrated
anti‐counterfeiting
flexible
electronic
printing,
solid‐state
CPL.
Furthermore,
deep‐red
electroluminescence
light‐emitting
diodes
(EL‐LEDs)
prepared
these
an
external
1.98%,
which
highest
value
date
CDs
EL‐LEDs,
first
report
devices
based
on
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 17, 2024
Abstract
Herein
we
report
on
circularly
polarized
luminescence
(CPL)
emission
originating
from
supramolecular
chirality
of
organic
microcrystals
with
a
|
g
lum
value
up
to
0.11.
The
were
prepared
highly
emissive
difluoroboron
β‐diketonate
(BF
2
dbk)
dyes
R
‐
1
or
S
chiral
binaphthol
(BINOL)
skeletons.
and
exhibit
undetectable
CPL
signals
in
solution
but
manifest
intense
their
microcrystals.
superstructures
induced
by
BINOL
skeletons
confirmed
single‐crystal
XRD
analysis.
Spectral
analysis
theoretical
calculations
indicate
that
intermolecular
electronic
coupling,
mediated
the
asymmetric
stacking
superstructures,
effectively
alters
excited‐state
structures
facilitates
electron
transitions
perpendicular
BF
bdk
planes.
coupling
increases
cos
θ
μ
,
m
0.05
(monomer)
0.86
(tetramer)
triggers
optical
activity
bdk.
results
demonstrate
chromophores
within
assemblies
can
be
regulated
both
orientation
extent
couplings.
Chemical Communications,
Год журнала:
2024,
Номер
60(65), С. 8484 - 8496
Опубликована: Янв. 1, 2024
Aggregation-induced
emission
(AIE)-based
POC
detection
is
important
for
diagnosis
of
diseases
and
assessment
the
effectiveness
treatment
programs.
This
review
summarized
advancement
design
application
AIE-based
biosensors.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Over
the
past
centuries,
molecular
science
has
played
a
dominant
role
in
advancement
of
physical
by
exploring
structure-property
relationships
at
single
level.
However,
when
molecules
form
aggregates,
dilemma
arises
as
structures
and
properties
often
differ
significantly
from
those
constituents.
To
address
this,
concept
aggregate
emphasizes
holistic
approach
to
understanding
structures-properties
relationship
substances.
Despite
recognition
holism
research,
there
are
still
challenges
investigating
complex
operations
interplays,
particularly
newly
emergent
macroscopic
world.
Therefore,
is
need
further
advance
methodology.
In
this
regard,
perspective
highlights
three
types
influences
that
aggregation
exerts
on
substance
properties:
activation,
transformation,
emergence.
Furthermore,
examples
aggregation-induced
emission
research
related
fields
provided
illustrate
how
can
be
studied.
This
molecule
significance
also
dramatically
influenced
aggregation.
Additionally,
potential
methodologies,
such
focusing
intra-
intermolecular
interactions,
adjusting
aggregates
morphology,
regulating
constituents,
along
with
directions,
implications
offered
for
future
studies.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Abstract
Circularly
polarized
luminescence
(CPL)
materials
are
attractive
due
to
their
unique
applications
in
fields
such
as
3D
displays,
information
encryption,
and
chiroptical
switches.
Natural
biomolecules‐based
CPL
gaining
plenty
of
attention
chiral
diversity
sustainability.
However,
it
is
still
challenging
construct
with
opposite
signs
from
a
single
natural
biomolecule
its
inherent
chirality.
Here,
assemblies
using
chitosan
oligosaccharide
(COS)
achiral
luminescent
dyes
successfully
prepared.
It
found
that
COS
can
serve
template
induce
the
ordered
assembly
along
polymer
chain
through
electrostatic
attraction
interaction.
demonstrated
experimentally
structural
planarity
dye
molecules
crucial
for
formation
co‐assemblies.
Interestingly,
left‐handed
COS‐templated
co‐assemblies
emit
handedness,
which
controlled
by
helicity
degree
This
study
not
only
deepens
understanding
complex
biomacromolecules
but
also
provides
new
insights
into
design
construction
materials.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Self-assembly
plays
a
critical
role
in
nanoparticle-based
applications.
However,
it
remains
challenging
to
monitor
the
self-assembly
of
multi-component
nanomaterials
at
single-particle
level,
real-time,
with
high
throughput,
and
model-independent
manner.
Here,
multi-color
fluorescence
microscopy
is
applied
track
assembly
both
liposomes
mRNA
simultaneously
clinical
mRNA-based
cancer
immunotherapy.
Imaging
reveals
that
occurs
discrete
steps:
initially,
RNA
adsorbs
onto
liposomes;
then,
RNA-coated
cluster
into
heterogeneous
structures
ranging
from
sub-micrometer
tens
micrometers.
The
clustering
process
consistent
Smoluchowski
model
Brownian
diffusion
kernel.
transition
between
two
steps
determined
by
orientation
RNA-mediated
interactions.
Given
facile
application
this
approach
ubiquity
components
studied,
imaging
analysis
work
are
readily
diverse
nanomaterials.
