Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Aug. 10, 2023
Stretchable
ionotronics
have
drawn
increasing
attention
during
the
past
decade,
enabling
myriad
applications
in
engineering
and
biomedicine.
However,
existing
ionotronic
sensors
suffer
from
limited
sensing
capabilities
due
to
simple
device
structures
poor
stability
leakage
of
ingredients.
In
this
study,
we
rationally
design
fabricate
a
plethora
architected
leakage-free
with
multi-mode
capabilities,
using
DLP-based
3D
printing
polyelectrolyte
elastomer.
We
synthesize
photo-polymerizable
ionic
monomer
for
elastomer,
which
is
stretchable,
transparent,
ionically
conductive,
thermally
stable,
leakage-resistant.
The
printed
possess
robust
interfaces
extraordinary
long-term
stability.
multi-material
allows
high
flexibility
structural
design,
tension,
compression,
shear,
torsion,
on-demand
tailorable
sensitivities
through
elaborate
programming
architectures.
Furthermore,
integrated
that
can
perceive
different
mechanical
stimuli
simultaneously
without
mutual
signal
interferences.
demonstrate
kit
consisting
four
shear
one
compressive
sensor,
connect
it
remote-control
system
programmed
wirelessly
control
flight
drone.
Multi-material
elastomers
paves
new
avenues
manufacturing
stretchable
by
resolving
deficiencies
functionalities
simultaneously.
Signal Transduction and Targeted Therapy,
Journal Year:
2021,
Volume and Issue:
6(1)
Published: Dec. 16, 2021
Hydrogel
is
a
type
of
versatile
platform
with
various
biomedical
applications
after
rational
structure
and
functional
design
that
leverages
on
material
engineering
to
modulate
its
physicochemical
properties
(e.g.,
stiffness,
pore
size,
viscoelasticity,
microarchitecture,
degradability,
ligand
presentation,
stimulus-responsive
properties,
etc.)
influence
cell
signaling
cascades
fate.
In
the
past
few
decades,
plethora
pioneering
studies
have
been
implemented
explore
cell-hydrogel
matrix
interactions
figure
out
underlying
mechanisms,
paving
way
lab-to-clinic
translation
hydrogel-based
therapies.
this
review,
we
first
introduced
hydrogels
their
fabrication
approaches
concisely.
Subsequently,
comprehensive
description
deep
discussion
were
elucidated,
wherein
influences
different
behaviors
cellular
events
highlighted.
These
or
included
integrin
clustering,
focal
adhesion
(FA)
complex
accumulation
activation,
cytoskeleton
rearrangement,
protein
cyto-nuclei
shuttling
activation
Yes-associated
(YAP),
catenin,
etc.),
compartment
reorganization,
gene
expression,
further
biology
modulation
spreading,
migration,
proliferation,
lineage
commitment,
etc.).
Based
them,
current
in
vitro
vivo
hydrogel
mainly
covered
diseases
models,
delivery
protocols
for
tissue
regeneration
disease
therapy,
smart
drug
carrier,
bioimaging,
biosensor,
conductive
wearable/implantable
biodevices,
etc.
summarized
discussed.
More
significantly,
clinical
potential
trials
presented,
accompanied
which
remaining
challenges
future
perspectives
field
emphasized.
Collectively,
insights
review
will
shed
light
principles
new
understand
processes,
are
available
providing
significant
indications
serving
broad
range
applications.
Materials & Design,
Journal Year:
2023,
Volume and Issue:
226, P. 111661 - 111661
Published: Jan. 27, 2023
Extensive
research
on
nature-inspired
cellular
metamaterials
has
globally
inspired
innovations
using
single
material
and
limited
multifunctionality.
Additive
manufacturing
(AM)
of
intricate
geometries
multi-materials
provides
additional
functionality,
environmental
adaptation,
improved
mechanical
properties.
Recently,
several
studies
have
been
conducted
multi-material
additive
(MMAM)
technologies,
including
multi-materials,
methodologies,
design,
optimization.
However,
in
the
past
six
years,
very
few
or
no
systematic
complete
reviews
this
domain.
This
review
intends
to
comprehensively
summarize
MMAM
systems
working
principles
its
fundamental
processes.
Herein,
Multi-material
combinations
their
modeling,
analysis
strategies
reviewed
systematically.
In
particular,
focus
is
applications
opportunities
for
industries
postprocessing
fabricated
parts.
Furthermore,
identified
limitations
challenges
existing
software
packages,
processes,
materials,
joining
mechanisms,
especially
at
interfaces.
Finally,
we
discuss
possible
overcome
aforementioned
technological
state
future
directions,
which
will
provide
insights
researchers
engineers
designing
complex
objects.
Nature Communications,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: March 10, 2022
Abstract
Electronic
skins
(e-skins)
are
devices
that
can
respond
to
mechanical
stimuli
and
enable
robots
perceive
their
surroundings.
A
great
challenge
for
existing
e-skins
is
they
may
easily
fail
under
extreme
conditions
due
multilayered
architecture
with
mismatch
weak
adhesion
between
the
interlayers.
Here
we
report
a
flexible
pressure
sensor
tough
interfaces
enabled
by
two
strategies:
quasi-homogeneous
composition
ensures
match
of
interlayers,
interlinked
microconed
interface
results
in
high
interfacial
toughness
390
J·m
−2
.
The
endows
exceptional
signal
stability
determined
performing
100,000
cycles
rubbing,
fixing
on
car
tread
driving
2.6
km
an
asphalt
road.
topological
interlinks
be
further
extended
soft
robot-sensor
integration,
enabling
seamless
robot
highly
stable
sensing
performance
during
manipulation
tasks
complicated
conditions.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(39)
Published: March 22, 2023
Abstract
The
rapid
development
of
additive
manufacturing
has
fueled
a
revolution
in
various
research
fields
and
industrial
applications.
Among
the
myriad
advanced
3D
printing
techniques,
two‐photon
polymerization
lithography
(TPL)
uniquely
offers
significant
advantage
nanoscale
print
resolution,
been
widely
employed
diverse
fields,
for
example,
life
sciences,
materials
mechanics,
microfluidics.
More
recently,
by
virtue
optical
transparency
most
resins
used,
TPL
is
finding
new
applications
optics
photonics,
with
nanometer
to
millimeter
feature
dimensions.
It
enables
minimization
elements
systems,
exploration
light‐matter
interactions
degrees
freedom,
never
possible
before.
To
review
recent
progress
related
research,
it
starts
fundamentals
material
formulation,
then
discusses
novel
fabrication
methods,
wide
range
These
notably
include
diffractive,
topological,
quantum,
color
optics.
With
panoramic
view
development,
concluded
insights
perspectives
future
potential
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(49)
Published: Oct. 1, 2021
Bioprinting,
within
the
emerging
field
of
biofabrication,
aims
at
fabrication
functional
biomimetic
constructs.
Different
3D
bioprinting
techniques
have
been
adapted
to
bioprint
cell-laden
bioinks.
However,
single-material
oftentimes
fail
reproduce
complex
compositions
and
diversity
native
tissues.
Multi-material
as
an
approach
enables
heterogeneous
multi-cellular
constructs
that
replicate
their
host
microenvironments
better
than
approaches.
Here,
modalities
are
reviewed,
being
multi-material
is
discussed,
advantages
challenges,
encompassing
both
custom-designed
commercially
available
technologies
analyzed.
A
perspective
how
opens
up
new
opportunities
for
tissue
engineering,
model
therapeutics
development,
personalized
medicine
offered.
Advanced Science,
Journal Year:
2021,
Volume and Issue:
9(1)
Published: Oct. 29, 2021
Abstract
Active
mechanical
metamaterials
(AMMs)
(or
smart
metamaterials)
that
combine
the
configurations
of
and
active
control
stimuli‐responsive
materials
have
been
widely
investigated
in
recent
decades.
The
elaborate
artificial
microstructures
stimulus
response
characteristics
both
contribute
to
AMMs,
making
them
achieve
excellent
properties
beyond
conventional
metamaterials.
micro
macro
structures
AMMs
are
designed
based
on
structural
construction
principles
such
as,
phase
transition,
strain
mismatch,
instability.
Considering
controllability
efficiency
materials,
physical
fields
temperature,
chemicals,
light,
electric
current,
magnetic
field,
pressure
adopted
as
external
stimuli
practice.
In
this
paper,
frontier
works
latest
progress
from
aspects
mechanics
reviewed.
functions
engineering
applications
also
discussed.
Finally,
existing
issues
future
perspectives
field
briefly
described.
This
review
is
expected
provide
basis
inspiration
for
follow‐up
research
AMMs.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(39)
Published: July 14, 2022
Abstract
Inspired
by
shape‐morphing
organisms
in
nature,
researchers
have
developed
various
hydrogels
with
stimuli‐responsive
swelling,
shrinking,
bending,
folding,
origami,
rolling,
twisting,
or
locomotion.
These
smart
are
usually
created
patterning
4D
printing.
The
shape
morphing
of
allows
the
fabrication
helixing,
and
rolling
microstructures,
all
which
hard
to
reproduce
directly
ordinary
techniques.
More
importantly,
under
external
stimuli
(e.g.,
solvent,
humidity,
temperature,
light,
pH,
electric/magnetic
fields),
many
exhibit
recoverable
thus
find
promising
applications
grippers,
sensors,
valves,
soft
robotics,
etc.
Since
determines
functions
a
great
number
cases,
herein,
recent
advances
summarized,
their
types,
mechanisms,
methods,
modes,
extensive
covered.
conclusion
perspectives
also
presented
guide
design
functional
hydrogels.
