Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(39)
Published: March 9, 2023
Abstract
Stimuli‐responsive
hydrogels
have
attracted
much
attention
owing
to
the
versatility
of
their
programmed
response
in
offering
intelligent
solutions
for
biomimicry
applications,
such
as
soft
robotics,
tissue
engineering,
and
drug
delivery.
To
achieve
complexity
biomimetic
structures,
two
photon
polymerization
(2PP)
has
provided
a
means
fabricating
intricate
3D
structures
from
stimuli‐responsive
hydrogels.
Rapid
swelling
hydrogel
microstructures
are
advantageous
osmotically
driven
stimuli‐response,
where
actuation
speed,
that
is
reliant
on
diffusion
analytes
or
bioanalytes,
can
be
optimized.
Herein,
flexibility
2PP
exploited
showcase
novel
sugar‐responsive,
phenylboronic
acid‐based
photoresist.
This
offers
remarkable
solution
achieving
fast
systems
been
often
hindered
by
volume‐dependent
times
receptor
sites.
A
photoresist
compatible
with
presented
fabricate
accelerated
times.
Moreover,
programmable
(i.e.,
bending
opening)
fabricated
using
same
within
one‐step
fabrication
process.
By
combining
an
easily
adaptable
photoresist,
accessible
method
showcased
sophisticated
chemo‐responsive
actuators.
International Journal of Extreme Manufacturing,
Journal Year:
2023,
Volume and Issue:
6(1), P. 012001 - 012001
Published: Sept. 21, 2023
Abstract
Two-photon
polymerization
(TPP)
is
a
cutting-edge
micro/nanoscale
three-dimensional
(3D)
printing
technology
based
on
the
principle
of
two-photon
absorption.
TPP
surpasses
diffraction
limit
in
achieving
feature
sizes
and
excels
fabricating
intricate
3D
micro/nanostructures
with
exceptional
resolution.
The
concept
4D
entails
fabrication
structures
utilizing
smart
materials
capable
undergoing
shape,
property,
or
functional
changes
response
to
external
stimuli
over
time.
integration
introduces
possibility
producing
responsive
accuracy,
thereby
enhancing
capabilities
potential
applications
both
technologies.
This
paper
comprehensively
reviews
TPP-based
its
diverse
applications.
First,
working
principles
recent
advancements
are
introduced.
Second,
optional
suitable
for
discussed.
Finally,
this
review
highlights
several
noteworthy
printing,
including
domains
such
as
biomedical
microrobots,
bioinspired
microactuators,
autonomous
mobile
transformable
devices
robots,
well
anti-counterfeiting
microdevices.
In
conclusion,
provides
valuable
insights
into
current
status
future
prospects
technology,
serving
guide
researchers
practitioners.
Smart Molecules,
Journal Year:
2023,
Volume and Issue:
1(2)
Published: Sept. 1, 2023
Abstract
Dynamic
chemistry
refers
to
a
type
of
fundamental
science
that
involves
precise
construction
or
regulation
reactional,
motional,
constitutional
dynamics
chemical
systems.
Under
the
meticulous
design
chemists,
nanoscopic
dynamics,
either
molecular
supramolecular,
are
managed
scale
up
macroscopic
dynamic
properties.
For
example,
stimuli‐induced
conformational
configurational
changes
polymer
skeletons
result
in
unexpected
functions
polymers,
such
as
self‐healing
and
shape‐shifting
behaviors.
This
review
focuses
on
how
microscopic
these
components
initiate
reversible
deformation
corresponding
materials
upon
external
stimuli.
The
discussed
terms
subtle
design,
mechanisms,
critical
roles
building
materials.
Furthermore,
this
puts
forward
challenges
opportunities
for
field
polymers
both
aspects
material
fabrication.
We
hope
can
provide
new
inspiration
development
particular
research
field.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(39)
Published: March 9, 2023
Abstract
Stimuli‐responsive
hydrogels
have
attracted
much
attention
owing
to
the
versatility
of
their
programmed
response
in
offering
intelligent
solutions
for
biomimicry
applications,
such
as
soft
robotics,
tissue
engineering,
and
drug
delivery.
To
achieve
complexity
biomimetic
structures,
two
photon
polymerization
(2PP)
has
provided
a
means
fabricating
intricate
3D
structures
from
stimuli‐responsive
hydrogels.
Rapid
swelling
hydrogel
microstructures
are
advantageous
osmotically
driven
stimuli‐response,
where
actuation
speed,
that
is
reliant
on
diffusion
analytes
or
bioanalytes,
can
be
optimized.
Herein,
flexibility
2PP
exploited
showcase
novel
sugar‐responsive,
phenylboronic
acid‐based
photoresist.
This
offers
remarkable
solution
achieving
fast
systems
been
often
hindered
by
volume‐dependent
times
receptor
sites.
A
photoresist
compatible
with
presented
fabricate
accelerated
times.
Moreover,
programmable
(i.e.,
bending
opening)
fabricated
using
same
within
one‐step
fabrication
process.
By
combining
an
easily
adaptable
photoresist,
accessible
method
showcased
sophisticated
chemo‐responsive
actuators.
