Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
29(57)
Published: July 24, 2023
Self-assembly
exploits
noncovalent
interaction
to
offer
an
effective
method
for
the
fabrication
of
materials.
For
Na9
[EuW10
O36
]
⋅
32H2
O
(EuW10
),
negative
charges
and
abundant
oxygen
atoms
on
its
surface
provide
a
handle
static
self-assembly.
New
properties
are
envisioned
EuW10
aggregates
which
able
display
such
kinetics
time-programming
characteristics,
in
order
satisfy
more
complex
intelligent
application
scenarios,
as
DNA
binding
information
encryption.
In
this
work,
coupling
with
stimuli-responsive
dodecyl
dimethylamine
oxide
(C12
DMAO)
can
generate
versatile
pH-responsive
properties.
We
demonstrated
temporal
programming
assembly
disassembly
nanospheres
using
pH
clock
reaction
acid/urease
hydrolysis.
The
endows
assemblies
dynamical
properties,
fluorescence
changes
coded
system.
These
fluorescent
new
time-programmed
capture
Journal of Materials Chemistry B,
Journal Year:
2024,
Volume and Issue:
12(19), P. 4666 - 4672
Published: Jan. 1, 2024
The
formation
of
transient
structures
plays
important
roles
in
biological
processes,
capturing
temporary
states
matter
through
influx
energy
or
reaction
networks
catalyzed
by
enzymes.
These
natural
inspire
efforts
to
mimic
this
elegant
mechanism
structural
control
synthetic
analogues.
Specifically,
though
traditional
supramolecular
materials
are
designed
on
the
basis
equilibrium
formation,
recent
have
explored
out-of-equilibrium
these
using
both
direct
and
indirect
mechanisms;
preponderance
such
works
has
been
area
low
molecular
weight
gelators.
Here,
a
hydrogel
is
realized
cucurbit[7]uril
host-guest
physical
crosslinking
under
from
biocatalyzed
network
that
regulates
oscillates
pH.
duration
resulting
mechanical
properties,
tunable
according
dose
enzyme,
substrate,
pH
stimulus.
This
tunability
enables
over
emergent
functions,
as
programmable
burst
release
encapsulated
model
macromolecular
payloads.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(75), P. 10342 - 10345
Published: Jan. 1, 2024
A
non-equilibrium
cucurbit[7]uril-mediated
supramolecular
host-guest
system
is
fabricated
by
using
urea/urease
to
control
aqueous
solution
pH
on
time
dimension,
showing
transient
assembly
behavior
and
time-dependent
fluorescence.
The
dynamic
can
be
also
achieved
in
hydrogel
network,
resulting
a
fluorescent
for
information
encryption.
Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
29(49)
Published: June 16, 2023
The
operation
of
a
dissipative
network
composed
two
or
three
different
crown-ether
receptors
and
an
alkali
metal
cation
can
be
temporally
driven
by
the
use
(combined
not)
orthogonal
stimuli
nature.
More
specifically,
irradiation
with
light
at
proper
wavelength
and/or
addition
activated
carboxylic
acid,
are
used
to
modulate
binding
capability
above
crown-ethers
towards
ion,
allowing
control
over
time
occupancy
in
moiety
given
ligand.
Thus,
application
either
both
initially
equilibrated
system,
where
is
distributed
among
depending
on
affinities,
causes
programmable
change
receptor
occupancies.
Consequently,
system
induced
evolve
one
more
out-of-equilibrium
states
distributions
receptors.
When
fuel
exhausted
or/and
interrupted,
reversibly
autonomously
goes
back
initial
equilibrium
state.
Such
results
may
contribute
achievement
new
systems
that,
taking
advantage
multiple
stimuli,
featured
sophisticated
operating
mechanisms
programmability.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
14(43), P. 12299 - 12307
Published: Jan. 1, 2023
An
ATP-fueled
DNA
based
enzymatic
reaction
network
regulates
transient
co-assemblies
of
micron-scale
colloids.
The
system
produces
minimal
waste,
shows
ATP-dependent
behavior,
and
can
be
reactivated
for
up
to
three
consecutive
cycles.
Chemistry - A European Journal,
Journal Year:
2023,
Volume and Issue:
29(57)
Published: July 24, 2023
Self-assembly
exploits
noncovalent
interaction
to
offer
an
effective
method
for
the
fabrication
of
materials.
For
Na9
[EuW10
O36
]
⋅
32H2
O
(EuW10
),
negative
charges
and
abundant
oxygen
atoms
on
its
surface
provide
a
handle
static
self-assembly.
New
properties
are
envisioned
EuW10
aggregates
which
able
display
such
kinetics
time-programming
characteristics,
in
order
satisfy
more
complex
intelligent
application
scenarios,
as
DNA
binding
information
encryption.
In
this
work,
coupling
with
stimuli-responsive
dodecyl
dimethylamine
oxide
(C12
DMAO)
can
generate
versatile
pH-responsive
properties.
We
demonstrated
temporal
programming
assembly
disassembly
nanospheres
using
pH
clock
reaction
acid/urease
hydrolysis.
The
endows
assemblies
dynamical
properties,
fluorescence
changes
coded
system.
These
fluorescent
new
time-programmed
capture
