Advanced Functional Materials,
Год журнала:
2020,
Номер
30(10)
Опубликована: Янв. 7, 2020
Abstract
Nature
provides
much
inspiration
for
developing
soft
millirobots.
However,
compared
with
smart
and
adaptations
of
lives
in
nature,
these
robotic
systems
still
suffer
from
insufficiency
intelligence.
Here,
a
new
untethered
millirobot
magnetic
actuation
the
head
function
tail
is
presented
via
implementing
control,
actuation,
sensing
directly
materials,
thereby
endowing
robots
multimodal
locomotion
environment‐adaptive
functions.
Due
to
asymmetric
structure,
not
only
shows
robust
locomotion,
including
controllable
transformable
crawling,
swinging
rolling,
but
also
achieves
an
excellent
capability
helical
propulsion
water.
Moreover,
robot
possesses
outstanding
obstacle‐crossing
abilities,
helically
propelling
over
obstacles
(>2
body
length),
crawling
within
2
mm
height
tunnel
through
450
µm
width
channel.
Furthermore,
can
even
squeeze
its
crawl
tube
easily
near‐infrared
irradiation,
which
triggers
osmotic
shrinking
body.
Notably,
possess
extraordinary
functions,
example,
leptocephali‐like
optical
camouflage
water,
octopus‐like
delivery
variable
appearance
visible
color–shifting
interaction
changing
environment.
These
would
be
benefit
various
fields
seamless
integration
bioinspired
design
materials.
Chemical Reviews,
Год журнала:
2021,
Номер
121(8), С. 4309 - 4372
Опубликована: Апрель 12, 2021
Hydrogels
are
polymer
networks
infiltrated
with
water.
Many
biological
hydrogels
in
animal
bodies
such
as
muscles,
heart
valves,
cartilages,
and
tendons
possess
extreme
mechanical
properties
including
being
extremely
tough,
strong,
resilient,
adhesive,
fatigue-resistant.
These
also
critical
for
hydrogels'
diverse
applications
ranging
from
drug
delivery,
tissue
engineering,
medical
implants,
wound
dressings,
contact
lenses
to
sensors,
actuators,
electronic
devices,
optical
batteries,
water
harvesters,
soft
robots.
Whereas
numerous
have
been
developed
over
the
last
few
decades,
a
set
of
general
principles
that
can
rationally
guide
design
using
different
materials
fabrication
methods
various
remain
central
need
field
materials.
This
review
is
aimed
at
synergistically
reporting:
(i)
achieve
physical
properties,
(ii)
implementation
strategies
unconventional
networks,
(iii)
future
directions
orthogonal
multiple
combined
mechanical,
physical,
chemical,
properties.
Because
these
based
on
generic
they
applicable
other
elastomers
organogels.
Overall,
will
not
only
provide
comprehensive
systematic
guidelines
rational
materials,
but
provoke
interdisciplinary
discussions
fundamental
question:
why
does
nature
select
constitute
major
parts
bodies?
Advanced Functional Materials,
Год журнала:
2020,
Номер
30(28)
Опубликована: Апрель 29, 2020
Abstract
Soft
polymer
materials,
which
are
similar
to
human
tissues,
have
played
critical
roles
in
modern
interdisciplinary
research.
Compared
with
conventional
methods,
3D
printing
allows
rapid
prototyping
and
mass
customization
is
ideal
for
processing
soft
materials.
However,
of
materials
still
the
early
stages
development
facing
many
challenges
including
limited
printable
low
resolution
speed,
poor
functionalities.
The
present
review
aims
summarize
ideas
address
these
challenges.
It
focuses
on
three
points:
1)
how
develop
make
unprintable
printable,
2)
choose
suitable
methods
improve
resolution,
3)
directly
construct
functional
structures/systems
printing.
After
a
brief
introduction
this
topic,
mainstream
technologies
reviewed,
an
emphasis
improving
choosing
techniques,
developing
multiple
Moreover,
state‐of‐the‐art
advancements
multimaterial
summarized.
Furthermore,
revolutions
brought
about
by
applications
biology
highlighted.
Finally,
viewpoints
future
perspectives
emerging
field
discussed.
Journal of Materials Chemistry B,
Год журнала:
2020,
Номер
8(16), С. 3437 - 3459
Опубликована: Янв. 1, 2020
Flexible
pressure
and
strain
sensors
have
great
potential
for
applications
in
wearable
implantable
devices,
soft
robotics
artificial
skin.
Compared
to
flexible
based
on
filler/elastomer
composites,
conductive
hydrogels
are
advantageous
due
their
biomimetic
structures
properties,
as
well
biocompatibility.
Numerous
chemical
structural
designs
provide
unlimited
opportunities
tune
the
properties
performance
of
match
various
demands
practical
applications.
Many
electronically
ionically
been
developed
fabricate
with
different
configurations,
including
resistance
type
capacitance
type.
The
sensitivity,
reliability
stability
hydrogel
dependent
network
mechanical
properties.
This
review
focuses
tough
sensors.
Representative
strategies
prepare
stretchable,
strong,
self-healing
briefly
reviewed
since
these
illuminating
development
hydrogels.
Then,
a
general
account
is
presented
discussed.
Recent
advances
designed
sensory
discussed
detail.
A
series
application
devices
reviewed.
Some
perspectives
at
end.
Chemical Reviews,
Год журнала:
2022,
Номер
122(5), С. 5317 - 5364
Опубликована: Фев. 1, 2022
In
conventional
classification,
soft
robots
feature
mechanical
compliance
as
the
main
distinguishing
factor
from
traditional
made
of
rigid
materials.
Recent
advances
in
functional
materials
have
facilitated
emergence
a
new
class
capable
tether-free
actuation
response
to
external
stimuli
such
heat,
light,
solvent,
or
electric
magnetic
field.
Among
various
types
stimuli-responsive
materials,
shown
remarkable
progress
their
design
and
fabrication,
leading
development
with
unique
advantages
potential
for
many
important
applications.
However,
field
is
still
its
infancy
requires
further
advancements
terms
principles,
fabrication
methods,
control
mechanisms,
sensing
modalities.
Successful
future
would
require
comprehensive
understanding
fundamental
principle
actuation,
well
physical
properties
behavior
this
review,
we
discuss
recent
modeling
simulation,
robots.
We
then
give
set
guidelines
optimal
performance
Lastly,
summarize
biomedical
applications
provide
our
perspectives
on
next-generation
Advanced Materials,
Год журнала:
2020,
Номер
33(19)
Опубликована: Окт. 6, 2020
Abstract
Soft
robotics
inspired
by
the
movement
of
living
organisms,
with
excellent
adaptability
and
accuracy
for
accomplishing
tasks,
are
highly
desirable
efficient
operations
safe
interactions
human.
With
emerging
wearable
electronics,
higher
tactility
skin
affinity
pursued
user‐friendly
human–robot
interactions.
Fabrics
interlocked
fibers
perform
traditional
static
functions
such
as
warming,
protection,
fashion.
Recently,
dynamic
fabrics
favorable
to
deliver
active
stimulus
responses
sensing
actuating
abilities
soft‐robots
wearables.
First,
responsive
mechanisms
fiber/fabric
actuators
their
performances
under
various
external
stimuli
reviewed.
Fiber/yarn‐based
artificial
muscles
manipulation
assistance
in
human
motion
discussed,
well
smart
clothes
improving
perception.
Second,
geometric
designs,
fabrications,
mechanisms,
fibers/fabrics
energy
harvesting
from
body
environments
summarized.
Effective
integration
between
electronic
components
garments,
skin,
organisms
is
illustrated,
presenting
multifunctional
platforms
self‐powered
potential
biomedicine.
Lastly,
relationships
robotic/wearable
stimuli,
together
challenges
possible
routes
revolutionizing
robotic
wearables
this
new
era
proposed.
Materials Today Physics,
Год журнала:
2020,
Номер
15, С. 100258 - 100258
Опубликована: Авг. 5, 2020
With
the
rapidly
growing
attention
to
human-robot
interfaces,
soft
robotics
has
attracted
a
great
deal
of
interest.
Soft
robots
have
diverse
advantages,
including
compliancy
and
safety,
which
contribute
seamless
interactions
with
humans.
To
boost
progress
in
field,
there
is
need
for
compliant
materials.
Hydrogels
are
promising
as
materials
because
their
outstanding
features,
high
stretchability,
transparency,
ion
conductivity,
biocompatibility.
Furthermore,
hydrogels
provide
innovative
capabilities
based
on
unique
responsiveness
stimuli.
In
this
review,
we
discuss
features
hydrogel-based
robots,
from
fundamental
working
mechanisms
notable
applications.
Finally,
suggest
perspectives
future
directions
that
addressing
potential
challenges
field
hydrogel
robotics.
Advanced Materials,
Год журнала:
2020,
Номер
33(4)
Опубликована: Дек. 4, 2020
Abstract
Micro‐/nanorobots
(m‐bots)
have
attracted
significant
interest
due
to
their
suitability
for
applications
in
biomedical
engineering
and
environmental
remediation.
Particularly,
vivo
diagnosis
intervention
been
the
focus
of
extensive
research
recent
years
with
various
clinical
imaging
techniques
being
applied
localization
tracking.
The
successful
integration
well‐designed
m‐bots
surface
functionalization,
remote
actuation
systems,
becomes
crucial
step
toward
applications,
especially
uses.
This
review
thus
addresses
four
different
aspects
m‐bots:
design/fabrication,
actuation,
localization.
diagnosis,
sensing,
microsurgery,
targeted
drug/cell
delivery,
thrombus
ablation,
wound
healing
are
reviewed
from
these
viewpoints.
developed
m‐bot
systems
comprehensively
compared
evaluated
based
on
characteristics.
current
challenges
directions
future
this
field
summarized.
Advanced Intelligent Systems,
Год журнала:
2020,
Номер
2(10)
Опубликована: Авг. 23, 2020
Soft
robotics
technologies
are
paving
the
way
toward
robotic
abilities
which
vital
for
a
wide
range
of
applications,
including
manufacturing,
manipulation,
gripping,
human–machine
interaction,
locomotion,
and
more.
An
essential
component
in
soft
robot
is
actuator
provides
system
with
deformable
body
allows
it
to
interact
environment
achieve
desired
actuation
pattern,
such
as
locomotion.
This
Review
article
aims
provide
researchers
interested
field
reference
guide
about
various
state‐of‐the‐art
methodologies
that
developed
stimuli
light,
heat,
applied
electric
magnetic
fields
focus
on
their
applications
robotics.
The
underlying
principles
actuators
discussed
resulting
motion
complexities,
deformations,
multi‐functionalities.
Finally,
promising
examples
different
addition
further
development
potential.