Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
137(1)
Published: Aug. 27, 2024
Abstract
Stimuli
responsive
optical
materials
are
attractive
for
many
areas,
from
healthcare
to
art
design.
However,
creating
intricate
color‐changing
patterns
visual
information
is
still
a
challenge.
This
work
describes
the
preparation
of
mechanochromic
structural
colored
pictures
imprinted
in
cholesteric
liquid
crystal
elastomers
by
using
chiral
isosorbide
molecular
photoswitch.
The
photoswitch
contains
photoisomerizable
cinnamate
moiety
and
was
incorporated
main
chain
oligomer
with
photopolymerizable
acrylate
end
groups.
After
coating,
film
irradiated
ultraviolet
(UV)
light
air
causing
E/Z
isomerization
units
leading
redshift
color
film.
A
grayscale
photomask
used
spatially
control
photoisomerization
reaction
imprint
colorful
such
as
portraits
landscapes,
films
high
resolution.
Photopolymerization
nitrogen
atmosphere
led
elastomer
striking
colors
that
blueshift
upon
strain.
sharp
details
were
preserved
even
under
deformation
system
returned
initial
state
strain
removal.
Our
offers
simple
approach
prepare
stimuli
polymers
unprecedented
complexity.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Aug. 27, 2024
Stimuli
responsive
optical
materials
are
attractive
for
many
areas,
from
healthcare
to
art
design.
However,
creating
intricate
color-changing
patterns
visual
information
is
still
a
challenge.
This
work
describes
the
preparation
of
mechanochromic
structural
colored
pictures
imprinted
in
cholesteric
liquid
crystal
elastomers
by
using
chiral
isosorbide
molecular
photoswitch.
The
photoswitch
contains
photoisomerizable
cinnamate
moiety
and
was
incorporated
main
chain
oligomer
with
photopolymerizable
acrylate
end
groups.
After
coating,
film
irradiated
ultraviolet
(UV)
light
air
causing
E/Z
isomerization
units
leading
redshift
color
film.
A
grayscale
photomask
used
spatially
control
photoisomerization
reaction
imprint
colorful
such
as
portraits
landscapes,
films
high
resolution.
Photopolymerization
nitrogen
atmosphere
led
elastomer
striking
colors
that
blueshift
upon
strain.
sharp
details
were
preserved
even
under
deformation
system
returned
initial
state
strain
removal.
Our
offers
simple
approach
prepare
stimuli
polymers
unprecedented
complexity.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 8, 2024
Abstract
Soft
actuators
are
one
of
the
most
promising
technological
advancements
with
potential
solutions
to
diverse
fields’
day‐to‐day
challenges.
derived
from
hydrogel
materials
possess
unique
features
such
as
flexibility,
responsiveness
stimuli,
and
intricate
deformations,
making
them
ideal
for
soft
robotics,
artificial
muscles,
biomedical
applications.
This
review
provides
an
overview
material
composition
design
techniques
actuators,
exploring
3D
printing,
photopolymerization,
cross‐linking,
microfabrication
methods
improved
actuation.
It
examines
applications
in
biomedical,
bioinspired
systems,
microfluidics,
lab‐on‐a‐chip
devices,
environmental,
energy
systems.
Finally,
it
discusses
challenges,
opportunities,
advancements,
regulatory
aspects
related
actuators.
Smart Medicine,
Journal Year:
2024,
Volume and Issue:
3(3)
Published: July 25, 2024
Oral
disease
is
a
severe
healthcare
challenge
that
diminishes
people's
quality
of
life.
Functional
hydrogels
with
suitable
biodegradability,
biocompatibility,
and
tunable
mechanical
properties
have
attracted
remarkable
interest
been
developed
for
treating
oral
diseases.
In
this
review,
we
present
up-to-date
research
on
the
management
dental
caries,
endodontics,
periapical
periodontitis,
depending
progression
The
strategies
mucosal
diseases
salivary
gland
are
then
classified.
After
that,
focus
application
related
to
tumor
therapy
tissue
defects.
Finally,
review
prospects
restrictions
perspectives
utilization
in
treatment.
We
believe
will
promote
advancement
more
amicable,
functional
personalized
approaches
Small Structures,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 8, 2025
Photopatterning
offers
a
versatile
and
precise
approach
for
modifying
surface
properties,
making
it
valuable
technique
in
material
design.
Recent
research
demonstrates
that
polymer
swelling
can
significantly
enhance
photodegradation,
facilitating
topographical
patterning.
Herein,
this
concept
stimuli‐responsive
hydrogels
is
explored,
focusing
on
the
thermoresponsive
poly(ethylene
glycol)
methylether
acrylate‐co‐poly(
N
‐isopropylacrylamide)
(PPEGA–PNIPAM)
hydrogel.
Surprisingly,
observed
UV
exposure
not
only
partially
degrades
hydrogel
but
also
diminishes
its
thermal
responsiveness.
This
effect
enables
selective
deactivation
of
responsive
properties
PPEGA–PNIPAM,
allowing
spatially
defined
variations
thermomechanical
behavior
through
photolithography.
By
using
these
spatial
differences,
programmatically
transformed
into
actuator
via
single‐step
photopatterning
process,
demonstrating
potential
application
UV‐induced
change
thermoresponsiveness.
Furthermore,
incorporating
gelatin
methacrylate
enhances
biocompatibility,
suggesting
new
possibilities
developing
bioactuators.
Thus,
results
demonstrate
modulation
present
opportunities
creating
multifunctional
materials
with
tailored
properties.
Gels,
Journal Year:
2025,
Volume and Issue:
11(4), P. 254 - 254
Published: March 27, 2025
This
paper
comprehensively
reviews
the
latest
advances
in
hydrogel-based
continuum
soft
robots.
Hydrogels
exhibit
exceptional
flexibility
and
adaptability
compared
to
traditional
robots
reliant
on
rigid
structures,
making
them
ideal
as
biomimetic
robotic
skins
platforms
for
constructing
highly
accurate,
real-time
responsive
sensory
interfaces.
The
article
systematically
summarizes
recent
research
developments
across
several
key
dimensions,
including
application
domains,
fabrication
methods,
actuator
technologies,
sensing
mechanisms.
From
an
perspective,
span
healthcare,
manufacturing,
agriculture.
Regarding
techniques,
extensively
explores
crosslinking
additive
microfluidics,
other
related
processes.
Additionally,
categorizes
thoroughly
discusses
various
actuators
solute/solvent
variations,
pH,
chemical
reactions,
temperature,
light,
magnetic
fields,
electric
hydraulic/electro-osmotic
stimuli,
humidity.
It
also
details
strategies
designing
implementing
diverse
sensors,
strain,
pressure,
humidity,
conductive,
magnetic,
thermal,
gas,
optical,
multimodal
sensors.
Finally,
offers
in-depth
discussion
of
prospective
applications
robots,
particularly
emphasizing
their
potential
medical
industrial
fields.
Concluding
remarks
include
a
forward-looking
outlook
highlighting
future
challenges
promising
directions.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Abstract
Hydrogels
are
widely
used
in
biological
dressing,
tissue
scaffolding,
drug
delivery,
sensors,
and
other
promising
applications
owing
to
their
water‐rich
soft
structures,
biocompatibility,
adjustable
mechanical
properties.
However,
most
of
the
conventional
hydrogels
isotropic.
The
anisotropic
structures
existed
organizational
structure
plants
animals,
which
played
a
crucial
role
systems.
In
this
work,
method
limited
domain
swelling
prepare
is
proposed.
Through
spatially
controlled
swelling,
extension
direction
can
be
by
tailored
mold,
further
achieving
with
concentration
gradients.
external
solution
serves
as
promote
hydrogel
matrix
mold
control
direction.
Due
diversity
solutions,
applied
variety
stimulus‐responsive
polymers.
for
construction
different
