Abstract
Photoinduced
transitions
between
the
solid,
glass,
and
liquid
states
based
on
molecular
photoswitches
promise
a
wide
variety
of
applications.
Photoswitchable
adhesives
are
representative
examples
expected
to
contribute
material
recycling
for
sustainable
future
in
era
composite
materials
due
strong
bonding
on-demand
photo-induced
debonding
with
minimal
damage
adherends.
Only
few
known
undergo
these
transitions,
but
recent
progress,
mainly
azobenzene,
has
been
remarkable.
Here,
we
review
photoinduced
small
molecules
polymers
over
approximately
decade
systematically
discuss
designs,
mechanisms,
applications,
merits
demerits,
challenges
each
photoswitch
whole
field.
We
hope
this
provides
useful
information,
inspiration,
ideas
development
field
expansion
its
Molecules,
Год журнала:
2023,
Номер
28(9), С. 3712 - 3712
Опубликована: Апрель 25, 2023
Photoresponsive
biomaterials
have
garnered
increasing
attention
recently
due
to
their
ability
dynamically
regulate
biological
interactions
and
cellular
behaviors
in
response
light.
This
review
provides
an
overview
of
recent
advances
the
design,
synthesis,
applications
photoresponsive
biomaterials,
including
photochromic
molecules,
photocleavable
linkers,
photoreactive
polymers.
We
highlight
various
approaches
used
control
behavior
these
materials,
modulation
light
intensity,
wavelength,
duration.
Additionally,
we
discuss
fields,
drug
delivery,
tissue
engineering,
biosensing,
optical
storage.
A
selection
significant
cutting-edge
articles
collected
years
has
been
discussed
based
on
structural
pattern
light-responsive
performance,
focusing
mainly
photoactivity
azobenzene,
hydrazone,
diarylethenes,
spiropyrans,
design
smart
materials
as
most
targeted
desirable
application.
Overall,
this
highlights
potential
enable
spatiotemporal
processes
opens
up
exciting
opportunities
for
developing
advanced
with
enhanced
functionality.
iScience,
Год журнала:
2023,
Номер
26(3), С. 106279 - 106279
Опубликована: Фев. 27, 2023
Stimuli-responsive
nanomaterials
have
attracted
substantial
interest
in
cancer
therapy,
as
they
hold
promise
to
deliver
anticancer
agents
tumor
sites
a
precise
and
on-demand
manner.
Interestingly,
supramolecular
chemistry
is
burgeoning
discipline
that
entails
the
reversible
bonding
between
components
at
molecular
nanoscale
levels,
recent
advances
this
area
offer
possibility
design
nanotherapeutics
with
improved
controllability
functionality
for
therapy.
Herein,
we
provide
comprehensive
summary
of
typical
non-covalent
interaction
modes,
which
primarily
include
hydrophobic
interaction,
hydrogel
bonding,
host-guest
π-π
stacking,
electrostatic
interaction.
Special
emphasis
placed
on
implications
these
modes
novel
stimuli-responsive
drug
delivery
principles
concepts,
aiming
enhance
spatial,
temporal,
dosage
precision
cells.
Finally,
future
perspectives
are
discussed
highlight
current
challenges
opportunities
self-assembly-based
nanotechnologies
Journal of the American Chemical Society,
Год журнала:
2023,
Номер
145(50), С. 27167 - 27184
Опубликована: Дек. 8, 2023
Nature
embeds
some
of
its
molecular
machinery,
including
ion
pumps,
within
lipid
bilayer
membranes.
This
has
inspired
chemists
to
attempt
develop
synthetic
analogues
exploit
membrane
confinement
and
transmembrane
potential
gradients,
much
like
their
biological
cousins.
In
this
perspective,
we
outline
the
various
strategies
by
which
machines─molecular
systems
in
a
nanomechanical
motion
is
exploited
for
function─have
been
designed
be
incorporated
membranes
utilized
mediate
transport.
We
survey
machines
spanning
both
switches
motors,
those
that
act
as
mobile
carriers
or
are
anchored
membrane,
mechanically
interlocked
molecules,
examples
activated
response
external
stimuli.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 26, 2024
Abstract
Photocontrollable
luminescent
molecular
switches
capable
of
changing
emitting
color
have
been
regarded
as
the
ideal
integration
between
intelligent
and
materials.
A
remaining
challenge
is
to
combine
good
luminescence
properties
with
wide
range
wavelength
transformation,
especially
when
confined
in
a
single
system
that
forms
well-defined
nanostructures.
Here,
we
report
π-expanded
photochromic
photoswitch,
which
allows
for
comprehensive
achievements
including
emission
variation
(240
nm
wide,
400–640
nm),
high
photoisomerization
extent
(95%),
pure
(<100
full
width
at
half
maximum).
We
take
advantageous
mechanism
modulating
self-assembly
intramolecular
charge
transfer
synthesis
construction,
further
realize
by
simple
photocontrol.
Based
on
this,
both
photoactivated
anti-counterfeiting
function
self-erasing
photowriting
films
are
achieved
fluorescence.
This
work
will
provide
insight
into
design
optical
Abstract
Photoinduced
transitions
between
the
solid,
glass,
and
liquid
states
based
on
molecular
photoswitches
promise
a
wide
variety
of
applications.
Photoswitchable
adhesives
are
representative
examples
expected
to
contribute
material
recycling
for
sustainable
future
in
era
composite
materials
due
strong
bonding
on-demand
photo-induced
debonding
with
minimal
damage
adherends.
Only
few
known
undergo
these
transitions,
but
recent
progress,
mainly
azobenzene,
has
been
remarkable.
Here,
we
review
photoinduced
small
molecules
polymers
over
approximately
decade
systematically
discuss
designs,
mechanisms,
applications,
merits
demerits,
challenges
each
photoswitch
whole
field.
We
hope
this
provides
useful
information,
inspiration,
ideas
development
field
expansion
its
