Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 23, 2024
Abstract
Cisplatin
is
widely
used
in
clinical
cancer
treatment;
however,
its
application
often
hindered
by
severe
side
effects,
particularly
inherent
or
acquired
resistance
of
target
cells.
To
address
these
challenges,
an
effective
strategy
to
modify
the
metal
core
complex
and
introduce
alternative
coordination
modes
valence
states,
leading
development
a
series
complexes,
such
as
platinum
(IV)
prodrugs
cyclometalated
complexes.
Recent
advances
nanotechnology
have
facilitated
multifunctional
nanomaterials
that
can
selectively
deliver
drugs
tumor
cells,
thereby
overcoming
pharmacological
limitations
metal‐based
drugs.
This
review
first
explores
self‐assembly
complexes
into
spherical,
linear,
irregular
nanoparticles
context
biomedical
applications.
The
mechanisms
underlying
are
subsequently
analyzed,
followed
discussion
their
applications
fields,
including
detection,
imaging,
antitumor
research.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(16)
Опубликована: Фев. 13, 2024
Abstract
Improving
the
photoswitching
rate
and
robustness
of
photochromic
molecules
in
bulk
solids
is
paramount
for
practical
applications
but
remains
an
on‐going
challenge.
Here,
we
introduce
octupolar
design
paradigm
to
develop
a
new
family
visible
light
organic
photoswitches,
namely
multi‐branched
Stenhouse
Adducts
(MOPSAs)
featuring
C
3
‐symmetrical
A
‐(D‐core)
architecture
with
dipolar
donor–acceptor
(D–A)
photochrome
each
branch.
Our
couples
multi‐dimensional
geometric
electronic
effects
MOPSAs
enable
robust
ultrafast
reversible
polymers.
Specifically,
optimal
MOPSA
(4
wt
%)
commercial
polyurethane
films
accomplishes
nearly
100
%
discoloration
6
s
under
∼
thermal‐recovery
17.4
at
60
°C,
while
acquired
kinetics
constants
are
3∼7
times
that
DASA
counterpart
1∼2
orders
magnitude
higher
than
those
reported
DASAs
Importantly,
MOPSA‐doped
polymer
sustain
500
discoloration/recovery
cycles
slow
degradation,
superior
existing
polymers
(≤30
cycles).
We
discover
multi‐dipolar
coupling
enables
enhanced
polarization
electron
delocalization,
promoting
rate‐determining
thermal
cyclization,
branched
non‐planar
geometry
induces
large
free
volume
facilitate
isomerization.
This
can
be
extended
spiropyran
or
azobenzene‐based
films.
The
performance
together
their
high‐yield
scalable
synthesis
facile
film
processing
inspires
us
explore
versatile
uses
as
smart
inks
labels
time‐temperature
indicators,
optical
logic
encryption
multi‐levelled
data
encryption.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(29)
Опубликована: Май 6, 2024
Abstract
Chirality,
a
fundamental
principle
in
chemistry,
biology,
and
medicine,
is
prevalent
nature
organisms.
Chiral
molecules,
such
as
DNA,
RNA,
proteins,
are
crucial
biomolecular
synthesis,
well
the
development
of
functional
materials.
Among
these,
1,1′‐binaphthyl‐2,2′‐diol
(BINOL)
stands
out
for
its
stable
chiral
configuration,
versatile
functionality,
commercial
availability.
BINOL
widely
employed
asymmetric
catalysis
This
review
mainly
focuses
on
recent
research
over
past
five
years
concerning
use
derivatives
constructing
macrocycles
cages.
Their
contributions
to
luminescence,
enantiomeric
separation,
transmembrane
transport,
were
examined.
Visual,
sensitive,
and
selective
detection
of
carcinogenic
substances
is
highly
desired
in
portable
health
protection
practical
medicine
production.
However,
achieving
this
goal
presents
significant
challenges
with
the
traditional
single-mode
sensors
reported
so
far,
as
they
have
limited
sensing
mechanisms
provide
only
a
single
output
signal.
Here,
we
report
an
effective
optical
electrical
dual-mode
sensor
for
visual,
Advanced Optical Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 27, 2025
Abstract
Dynamic
and
reversible
manipulation
of
circularly
polarized
luminescence
(CPL)
in
soft
materials
is
highly
desirable
for
advanced
chiroptical
devices,
information
encryption,
labeling
technology.
However,
this
remains
a
formidable
challenge
organic
ultralong
room‐temperature
phosphorescence
(CP‐OURTP)
materials.
Herein,
bilayered
chiral‐switchable
CP‐OURTP
system
presented,
composed
light‐driven
hydrazone
photoswitch
(M1)‐doped
helical
superstructure
layer
room
temperature
(RTP)
polymer
layer,
enabling
dynamic
chirality
inversion
manner
under
alternating
stimulation
460
340
nm
light
irradiation.
The
obtained
film
exhibits
with
maximum
absolute
dissymmetry
factor
(
g
lum
)
value
0.39
long‐lived
emission
lifetime
823
ms.
Notably,
the
values
can
be
dynamically
reversibly
modulated
between
+0.30
and−0.35
irradiation
different
wavelengths
over
50
cycles
without
fatigue,
owing
to
photoinduced
configuration
changes
M1,
making
first
example
regulating
Abstract
Dissipative
self‐assembly
(DSA)
system
requires
a
continuous
supply
of
fuels
to
maintain
the
far‐from‐equilibrium
assembled
state.
Living
organisms
exist
and
operate
far
from
thermodynamic
equilibrium
by
consumption
energy
taken
surroundings,
so
how
realize
construction
artificial
DSA
has
attracted
much
attention
researchers
all
over
world.
Owing
dynamic
controllable
noncovalent
interactions,
supramolecular
systems
have
achieved
higher
functions
fueled
various
types
energy,
such
as
chemical
fuels,
light,
electric
acoustic
mechanical
energy.
Upon
input
external
nonactive
precursors
can
be
activated
form
building
blocks
at
levels
then
self‐assemble
into
transient
structures.
As
proceeding
deactivation
reaction,
with
level
dissipate
back
initial
precursors,
resulting
in
disassembly
process,
complete
full
cycle.
In
this
review,
we
summarize
recent
advances
on
its
strategies
energy‐fueled
regulation
approaches.
The
applications
luminescence
modulating,
information
encryption,
self‐regulating
gels,
drug
delivery,
catalysis
are
also
discussed.
We
hope
that
review
article
will
facilitate
further
understanding
development
systems.
Chemistry - A European Journal,
Год журнала:
2024,
Номер
30(20)
Опубликована: Фев. 1, 2024
Abstract
Recently,
extensive
works
have
focused
on
increasing
the
dissymmetry
factors
(
g
lum
)
of
various
circularly
polarized
luminescence
(CPL)
materials,
which
is
one
most
important
for
future
applications
CPL.
Herein,
we
designed
a
chiral
co‐assembled
liquid
crystal
polymer
(LCP)
PTZ@
R/S
‐PB2
,
was
prepared
by
binary
co‐polymer
doped
with
achiral
phenothiazine
derivation
dye
PTZ
).
For
comparison,
ternary
co‐polymerized
LCP
‐PT
synthesized
co‐polymerizing
mesogenic
monomer,
monomer
and
emissive
monomer.
Both
showed
aggregation‐induced
emission
(AIE)
properties.
Interestingly,
CPL
signals
both
were
reversed
amplified
after
thermal
annealing
treatment.
The
|
values
up
to
0.13
at
32
nm
thickness,
5.4
times
that
(|
|=0.024).
This
due
could
form
more
orderly
co‐assembly
structures.
Noticeably,
film
thickness
further
improve
value,
maximum
be
enhanced
+0.91/−0.82
220
thickness.
Light Science & Applications,
Год журнала:
2024,
Номер
13(1)
Опубликована: Май 22, 2024
Abstract
Wavelength-tunable
structural
colors
using
stimuli-responsive
materials,
such
as
chiral
liquid
crystals
(CLCs),
have
attracted
increasing
attention
owing
to
their
high
functionality
in
various
tunable
photonic
applications.
Ideally,
on-demand
omnidirectional
wavelength
control
is
highly
desirable
from
the
perspective
of
wavelength-tuning
freedom.
However,
despite
numerous
previous
research
efforts
on
CLC
colors,
only
mono-directional
tuning
toward
shorter
wavelengths
has
been
employed
most
studies
date.
In
this
study,
we
report
ideally
desired
longer
and
with
significantly
improved
tunability
over
a
broadband
range.
By
areal
expanding
contractive
strain
dielectric
elastomer
actuators
(DEAs)
crystal
elastomers
(CLCEs),
simultaneous
color-tuning
was
achieved.
This
breakthrough
enhances
achievable
freedom
versatility,
making
it
applicable
broad
range
high-functional
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(33)
Опубликована: Апрель 18, 2024
Abstract
Intelligent
actuators
have
attracted
intensive
attention
due
to
their
broad
application
scenarios,
ranging
from
precision
manufacturing
and
autonomous
robotics
adaptive
medical
devices.
Therein,
simplifying
structure
design
streamlining
fabrication
processes
for
responsive
materials
is
crucial
achieving
multifunctionality
in
intelligent
actuators.
Drawing
inspiration
nature,
diverse
stimuli‐responsive
been
developed,
enabling
the
creation
of
a
spectrum
Herein,
study
aims
provide
systematic
overview
smart
with
different
based
on
biomimetic
strategies.
The
commences
by
describing
typical
stimulus‐response
organisms
subsequently
categorizing
nascent
materials,
summarizing
respective
mechanisms.
Potential
applications
integrated
into
all‐in‐one
systems
are
presented
grippers,
soft
robots,
sensors.
Finally,
ends
an
advancement
summary
together
personal
insight
current
challenges
future
directions.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 28, 2024
Constructing
circularly
polarized
luminescence
(CPL)
materials
that
exhibit
dynamic
handedness
inversion
and
emissive
color
modulation
for
multimodal
information
encryption
presents
both
a
significant
challenge
compelling
opportunity.
Here,
we
have
developed
pyridinethiazole
acrylonitrile-cholesterol
derivative
(Z-PTC)
exhibits
wavelength-dependent
photoisomerization
photocyclization,
enabling
in
supramolecular
assemblies
with
decent
CPL
activity.
Coordination
Ag
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
Abstract
Molecular
photoswitches
can
undergo
isomerization
under
light
exposure,
making
them
uniquely
attractive
for
high
spatiotemporal
resolution
remote
control
of
biological
functions.
Visible
and
near‐infrared
(NIR)
light,
with
their
low
energy
consumption,
safety,
strong
tissue
penetration,
are
particularly
suitable
applications.
Therefore,
developing
visible‐
NIR
light‐driven
molecular
use
is
great
significance.
This
review
introduces
the
most
common
presents
state‐of‐art
applications
in
bioimaging,
biosensing,
drug
delivery,
photocontrolled
cancer
phototherapy,
photopharmacology.
The
opportunities
challenges
future
development
outlined.
