Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(64), P. 8419 - 8422
Published: Jan. 1, 2024
Light
and
pH
dual-responsive
ion
transporters
offer
better
applicability
for
cancer
due
to
higher
tunability
low
cytotoxicity.
Herein,
we
demonstrate
the
development
of
pH-responsive
β-carboline-based
ionophores
photocleavable-linker
appended
proionophores
facilitate
controlled
transport
Cl
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(50), P. 27167 - 27184
Published: Dec. 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.
Science,
Journal Year:
2024,
Volume and Issue:
385(6708), P. 544 - 549
Published: Aug. 1, 2024
Pumping
ions
against
a
concentration
gradient
through
protein-based
transporters
is
cornerstone
of
numerous
biological
processes.
Mimicking
this
function
by
using
artificial
receptors
remains
daunting
challenge,
mainly
because
the
difficulties
in
balancing
between
requirement
for
high
binding
affinities
and
precise
on-demand
ion
capture
release
properties.
We
report
trimeric
hydrazone
photoswitch-based
receptor
that
converts
light
energy
into
work
actively
transporting
chloride
anion
dichloromethane
liquid
membrane,
functioning
as
molecular
pump.
The
system
manifests
ease
synthesis,
bistability,
excellent
photoswitching
properties,
superb
ON-OFF
properties
(difference
up
to
six
orders
magnitude).
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(22)
Published: March 22, 2024
Artificial
ion
transport
systems
have
emerged
as
an
important
class
of
compounds
that
promise
applications
in
chemotherapeutics
anticancer
agents
or
to
treat
channelopathies.
Stimulus-responsive
offer
spatiotemporally
controlled
activity
for
targeted
remain
rare.
Here
we
utilize
dynamic
hydrogen
bonding
interactions
a
4,6-dihydroxy-isophthalamide
core
generate
modular
platform
enabling
access
stimuli-responsive
transporters
can
be
activated
response
wide
variety
external
stimuli,
including
light,
redox,
and
enzymes,
with
excellent
OFF-ON
activation
profiles.
Alkylation
the
two
free
hydroxyl
groups
stimulus-responsive
moieties
locks
amide
bonds
through
intramolecular
hence
makes
them
unavailable
anion
binding
transport.
Triggering
using
particular
stimulus
cleave
both
cages
reverses
arrangement,
highly
preorganized
cavity
efficient
transmembrane
Integration
are
responsive
orthogonal
stimuli
enables
multi-stimuli
activation,
where
required
trigger
AND
logic
process.
Importantly,
strategy
provides
facile
method
post-functionalize
active
transporter
multiple
triggers.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(44)
Published: July 21, 2023
Abstract
Synthetic
supramolecular
ion
transporters
find
applications
as
potential
therapeutics
and
tools
for
engineering
functional
membranes.
Stimuli‐responsive
systems
enable
external
control
over
transport,
which
is
necessary
targeted
activation.
The
Minireview
provides
an
overview
of
current
approaches
to
developing
stimuli‐responsive
transport
systems,
including
channels
mobile
carriers,
that
can
be
controlled
using
photo
or
redox
inputs.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(37), P. 15006 - 15022
Published: Jan. 1, 2024
Synthetic
anion
receptors
based
on
sigma-hole
interactions
are
increasingly
used
to
transport
anions
across
membranes.
This
article
discusses
the
progress
in
field
and
prospects
for
biological
applications.
ChemPlusChem,
Journal Year:
2023,
Volume and Issue:
88(12)
Published: Aug. 28, 2023
The
utilisation
of
light
to
achieve
precise
manipulation
and
control
over
the
structure
function
supramolecular
assemblies
has
emerged
as
a
highly
promising
approach
in
development
complex,
configurable,
or
multifunctional
systems
nanoscopic
machine-like
entities.
In
this
minireview,
we
highlight
recent
examples
self-assembled
covalently
bound
cages
macrocycles
with
focus
on
external
internal
functionalisation
photoswitchable
unit
embedment
photoswitch
into
framework
structure.
Functionalising
interior
exterior
cage
macrocycle
photoresponsive
group
enables
different
properties,
such
guest
binding
assembly
solid-state,
while
overall
shape
often
undergoes
no
significant
change.
By
directly
integrating
structure,
isomerisation
can
either
induce
geometry
change,
disassembly,
disassembly
reassembly
Historical
covered
review
are
based
azobenzene,
diarylethene,
stilbene
photoswitches,
alkene
motors
that
were
incorporated
constructed
by
metal-organic,
dynamic
covalent,
covalent
bonds.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
article
presents
the
use
of
dynamic
covalent
chemistry
in
liposomal
membranes
to
activate
and
modulate
transmembrane
transport
chloride
by
addition
different
azine-containing
compounds.
ChemistryEurope,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Abstract
The
transmembrane
transport
of
anions
is
a
promising
application
synthetic
anion
receptors.
Numerous
anionophores
have
been
developed
for
chloride
over
the
past
decades.
Despite
biological
relevance
phosphate
and
esters,
very
few
reports
on
their
by
systems
exist.
Here
we
report
systematic
study
diphenyl
phosphate,
phenyl
inorganic
five
different
anionophores.
these
phosphates
into
liposomes
was
monitored
fluorescence
spectroscopy,
31
P
NMR
an
ion
selective
electrode.
results
experiments
showed
that
readily
transported
most
ionophores.
more
challenging
but
can
be
enhanced
better
shielding
group.
Inorganic
to
this
achieved
using
macrocyclic
anionophore
with
eight
preorganised
H‐bond
donors.
These
pave
way
development
as
well
esters.