Visible‐ and Near‐Infrared Light‐Driven Molecular Photoswitches for Biological Applications
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.
Язык: Английский
Photokinetics of Photothermal Reactions
Molecules,
Год журнала:
2025,
Номер
30(2), С. 330 - 330
Опубликована: Янв. 15, 2025
Photothermal
reactions,
involving
both
photochemical
and
thermal
reaction
steps,
are
the
most
abundant
sequences
in
photochemistry.
The
derivation
of
their
rate
laws
is
standardized,
but
integration
these
has
not
yet
been
achieved.
Indeed,
field
still
lacks
integrated
for
description
reactions’
behavior
and/or
identification
order.
This
made
difficult
a
comprehensive
account
photokinetics
photothermal
which
created
gap
knowledge.
addressed
present
paper
by
introducing
an
unprecedented
general
model
equation
capable
mapping
out
kinetic
traces
such
reactions
when
exposed
to
light
or
dark.
law
also
applies
reactive
medium
either
monochromatic
polychromatic
irradiation.
validity
was
established
against
simulated
data
obtained
fourth-order
Runge–Kutta
method.
It
then
used
describe
quantify
several
situations
as
effects
initial
concentration,
spectator
molecules,
incident
radiation
intensity,
impact
latter
on
photonic
yield.
facilitated
elucidation
method
determine
intrinsic
parameters
(quantum
yields
absorptivities
species)
any
mechanism
whose
number
species
known.
contributes
rationalizing
along
same
guidelines
adopted
chemical
kinetics.
Язык: Английский
Probing azobenzene-like boron nitride triazoles for their photoswitching attributes through long range push–pull effects: a DFT study
Chemical Papers,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 19, 2025
Язык: Английский
Second Generation Zwitterionic Aza‐Diarylethene: Photoreversible CN Bond Formation, Three‐State Photoswitching, Thermal Energy Release, and Facile Photoinitiation of Polymerization
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 21, 2024
Abstract
Diarylethenes
are
a
well‐studied
and
optimized
class
of
photoswitches
with
wide
range
applications,
including
data
storage,
smart
materials,
or
photocontrolled
catalysis
biological
processes.
Most
recently,
aza‐diarylethenes
have
been
developed
in
which
carbon‐carbon
bond
connections
replaced
by
carbon‐nitrogen
connections.
This
structural
elaboration
opens
up
an
entire
new
structure
property
space
expanding
the
versatility
applicability
diarylethenes.
In
this
work,
we
present
second
generation
zwitterionic
aza‐diarylethenes,
finally
allows
for
fully
reversible
photoswitching
precise
control
over
all
three
switching
states.
High‐yielding
between
neutral
open
form
Z
isomer
is
achieved
two
different
wavelengths
light.
The
third
E
isomeric
state
can
be
reached
to
87
%
upon
irradiation
wavelength.
Its
high
energy
content
>10
kcal/mol
released
thermally
deliberate
solvent
change
as
trigger
mechanism,
rendering
into
interesting
candidates
molecular
solar
thermal
storage
(MOST)
applications.
also
serves
locking
state,
allowing
toggle
light‐responsiveness
reversibly
labile
stable
switching.
Further,
states
leads
highly
efficient
photopolymerization
methyl
acrylate
(MA),
directly
harnessing
unleashed
chemical
reactivity
our
aza‐diarylethene
materials
application.
Язык: Английский
Combined Photopolymerization and Localized Photochromism by Aza‐Diarylethene and Hemiindigo Synergy
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Abstract
Molecular
photoswitches
produce
light‐controlled
changes
at
the
nanometer
scale
and
can
therefore
be
used
to
alter
states
behavior
of
materials
in
a
truly
bottom‐up
fashion.
Here
an
escalating
photonic
complexity
material
property
control
with
light
is
shown
using
recently
developed
aza‐diarylethene
combination
hemiindigo
(HI)
photoswitches.
First,
as
photoswitch
polystyrene
(PS)
reversibly
inscribe
relief‐type
3D
structures
into
PS.
Second,
further
photoinitiator
for
light‐induced
polymerization
methyl
acrylate
(MA),
demonstrating
first
time
chemical
reactivity
its
zwitterionic
switching
state.
Third,
HIs
are
implemented
polymerized
MA,
generating
photochromic
polymers.
At
fourth
level,
binary
mixture
allows
synergize
aza‐diarylethene‐induced
photopolymerization
localized
photochromism
simultaneously
entrapped
functional
HI.
With
such
multilevel
response,
utility
this
particular
applications
advanced
demonstrated.
Язык: Английский
Second Generation Zwitterionic Aza‐Diarylethene: Photoreversible CN Bond Formation, Three‐State Photoswitching, Thermal Energy Release, and Facile Photoinitiation of Polymerization
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 21, 2024
Abstract
Diarylethenes
are
a
well‐studied
and
optimized
class
of
photoswitches
with
wide
range
applications,
including
data
storage,
smart
materials,
or
photocontrolled
catalysis
biological
processes.
Most
recently,
aza‐diarylethenes
have
been
developed
in
which
carbon‐carbon
bond
connections
replaced
by
carbon‐nitrogen
connections.
This
structural
elaboration
opens
up
an
entire
new
structure
property
space
expanding
the
versatility
applicability
diarylethenes.
In
this
work,
we
present
second
generation
zwitterionic
aza‐diarylethenes,
finally
allows
for
fully
reversible
photoswitching
precise
control
over
all
three
switching
states.
High‐yielding
between
neutral
open
form
Z
isomer
is
achieved
two
different
wavelengths
light.
The
third
E
isomeric
state
can
be
reached
to
87
%
upon
irradiation
wavelength.
Its
high
energy
content
>10
kcal/mol
released
thermally
deliberate
solvent
change
as
trigger
mechanism,
rendering
into
interesting
candidates
molecular
solar
thermal
storage
(MOST)
applications.
also
serves
locking
state,
allowing
toggle
light‐responsiveness
reversibly
labile
stable
switching.
Further,
states
leads
highly
efficient
photopolymerization
methyl
acrylate
(MA),
directly
harnessing
unleashed
chemical
reactivity
our
aza‐diarylethene
materials
application.
Язык: Английский
Rubizhne Institute – a Birthplace of Photochromic Molecules
The Chemical Record,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Abstract
We
introduce
the
community
to
remarkable
fact
that
two
significant
discoveries
in
field
of
organic
photoswitches
are
associated
Rubizhne
(Rubezhnoe)
branch
Research
Institute
Organic
Intermediates
and
Dyes
during
last
century.
The
institute
was
a
place
where
researchers
various
nationalities
carried
out
studies
dyes
for
printing
textiles.
These
efforts
resulted
photoswitchable
hemithioindigos
by
M.
A.
Mostoslavskii
peri
‐aryloxyquinones
Yu.
E.
Gerasimenko.
Herein,
based
on
available
literature,
we
reconstruct
circumstances
surrounding
these
outstanding
findings
highlight
unique
role
as
research
center.
Furthermore,
demonstrate
impact
results
molecules.
Язык: Английский