Advanced Materials,
Год журнала:
2024,
Номер
36(25)
Опубликована: Март 27, 2024
Cephalopods
evolve
the
acetylcholine-gated
actuation
control
function
of
their
skin
muscles,
which
enables
dynamic/static
multimode
display
capacities
for
achieving
perfectly
spatial
over
colors/patterns
on
every
inch
skin.
Reproduction
artificial
analogs
that
exhibit
similar
multimodal
is
essential
to
reach
advanced
information
three-dimensional
(3D)
encoding
with
higher
security
than
classic
2D-encoding
strategy,
but
remains
underdeveloped.
The
core
difficulty
how
replicate
such
chemical-gated
into
soft
actuating
systems.
Herein,
this
work
proposes
develop
azobenzene-functionalized
poly(acrylamide)
(PAAm)
hydrogel
systems,
whose
upper
critical
solution
temperature
(UCST)
type
responsiveness
can
be
intelligently
programmed
or
even
gated
by
addition
hydrophilic
α-cyclodextrin
(α-CD)
molecules
reversible
association
pendant
azobenzene
moieties
via
supramolecular
host-guest
interactions.
By
employing
α-CD-gated
actuator
as
an
analogue
cephalopods'
muscle,
biomimetic
mechanically
modulated
multicolor
fluorescent
systems
are
designed,
demonstrate
a
conceptually
new
"thermal
stimulation-hydrogel
actuation-fluorescence
output"
mechanism.
Consequently,
high-security
3D-encoding
carriers
unprecedented
combination
single-input
multiple-output,
dual-mode
and
spatially
controlled
achieved.
This
bioinspired
strategy
brings
functional-integrated
features
opens
previously
unidentified
avenues
security.
Advanced Materials,
Год журнала:
2021,
Номер
33(32)
Опубликована: Июнь 17, 2021
Abstract
The
unique
advantages
and
the
exciting
application
prospects
of
AIEgens
have
triggered
booming
developments
in
this
area
recent
years.
Among
them,
stimuli‐responsive
received
particular
attention
impressive
progress,
they
been
demonstrated
to
show
tremendous
potential
many
fields
from
physical
chemistry
materials
science
biology
medicine.
Here,
achievements
terms
seven
most
representative
types
stimuli
including
force,
light,
polarity,
temperature,
electricity,
ion,
pH,
are
summarized.
Based
on
typical
examples,
it
is
illustrated
how
each
type
systems
realize
desired
performance
for
various
applications.
key
work
principles
behind
them
ultimately
deciphered
figured
out
offer
new
insights
guidelines
design
engineering
next‐generation
luminescent
more
broad
Advanced Materials,
Год журнала:
2019,
Номер
31(11)
Опубликована: Янв. 9, 2019
Systems
that
are
intelligent
have
the
ability
to
sense
their
surroundings,
analyze,
and
respond
accordingly.
In
nature,
many
biological
systems
considered
(e.g.,
humans,
animals,
cells).
For
man-made
systems,
artificial
intelligence
is
achieved
by
massively
sophisticated
electronic
machines
computers
robots
operated
advanced
algorithms).
On
other
hand,
freestanding
materials
(i.e.,
not
tethered
a
power
supply)
usually
passive
static.
Hence,
herein,
question
asked:
can
be
fabricated
so
they
intelligent?
One
promising
approach
use
stimuli-responsive
materials;
these
"smart"
energy
supplied
stimulus
available
from
surrounding
for
performing
corresponding
action.
After
decades
of
research,
interesting
perform
smart
functions
been
developed.
Classes
discussed
include
practical
targeting
motion),
regulatory
self-regulation
amplification),
analytical
processing
memory
computing).
The
pathway
toward
creating
truly
involve
incorporating
combination
different
types
into
single
integrated
system
using
as
basic
building
blocks.
Materials Horizons,
Год журнала:
2019,
Номер
7(2), С. 338 - 365
Опубликована: Ноя. 20, 2019
In
this
review,
the
recent
research
progress
in
bio-inspired
PC
patterns
is
presented
including
preparation
strategies,
functionality
evolution
and
various
applications.
Chemical Reviews,
Год журнала:
2019,
Номер
119(24), С. 12279 - 12336
Опубликована: Дек. 3, 2019
The
extraordinary
properties
of
biological
materials
often
result
from
their
sophisticated
hierarchical
structures.
Through
multilevel
and
cross-scale
structural
designs,
offset
the
weakness
individual
building
blocks
enhance
performance
at
multiple
length
scales
to
match
multifunctional
needs
organisms.
One
essential
merit
structure
is
that
it
can
optimize
interfacial
features
"building
blocks"
different
scales,
molecular
level
macroscale.
Understanding
roles
material
interfaces
(BMIs)
on
determination
functions
has
become
a
growing
interdisciplinary
research
area
in
recent
years.
A
pivotal
aim
these
studies
use
BMIs
as
inspiration
for
developing
bioinspired
biomimetic
devices
with
advanced
structures
functions.
Given
considerations,
this
review
aims
comprehensively
discuss
structure-property-function
relationships
nature.
We
particularly
focus
discussion
inspired
mechanical
optical
perspectives
because
two
directions
are
most
well-investigated
closely
related.
challenges
design
fabrication
BMI-inspired
also
discussed.
This
expected
garner
interest
communities
well
environmental,
nanotechnology,
food
processing,
engineering
fields.
Advanced Materials,
Год журнала:
2022,
Номер
34(26)
Опубликована: Март 8, 2022
Advances
in
wearable
epidermal
sensors
have
revolutionized
the
way
that
physiological
signals
are
captured
and
measured
for
health
monitoring.
One
major
challenge
is
to
convert
easily
readable
a
convenient
way.
possibility
based
on
visible
readouts.
There
range
of
materials
whose
optical
properties
can
be
tuned
by
parameters
such
as
temperature,
pH,
light,
electric
fields.
Herein,
this
review
covers
highlights
set
with
tunable
their
integration
into
Specifically,
recent
progress,
fabrication,
applications
these
summarized
discussed.
Finally,
challenges
perspectives
next
generation
devices
proposed.