Soft Robotics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Programmable
deformation
hydrogel
robots
have
garnered
significant
attention
in
biomedical
fields
due
to
their
ability
undergo
large-scale
reversible
deformation.
As
clinical
demand
rises,
there
is
a
need
for
that
are
easy
process
and
operate,
can
programmable
Here,
we
propose
method
fabricate
single-layer
one
step
using
high-precision
digital
light
processing
3D
printing
system.
Two
kinds
of
deformable
elements
with
different
structure
distribution
on
the
top
bottom
sides
produced
by
two
focused
varying
intensities.
By
combining
these
elements,
create
four
basic
modules
fixed
shapes.
The
desired
shape
be
achieved
programming
combination
modules.
exhibit
repeat
under
near-infrared
stimulation.
We
validate
our
approach
fabricating
several
scaffolds
combinations
modules,
demonstrating
feasibility
potential
application
pipeline
movement.
This
research
provides
simple
offers
novel
fields.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 13, 2024
Abstract
Water
constitutes
a
huge
circulation
network
in
solid,
liquid
and
gaseous
forms
that
contains
inestimable
recyclable
energy.
Obtaining
energy
from
moisture
is
challenging
but
of
great
significance
to
promote
the
upgrading.
The
emergence
moisture‐driven
actuator
(MDA)
provides
an
effective
way
converting
mechanical
MDA
can
combine
with
water
molecules
through
hygroscopicity
swell
produce
macroscopic
deformation.
Due
wide
distribution
humidity
wireless
driving
mode,
shows
application
potential
fields
environmental
monitoring,
remote
control
harvesting.
This
paper
comprehensively
reviews
research
progress
aspects
hydrophilic
materials,
structures,
preparing
methods,
multi‐response
integration
applications,
aiming
at
providing
guidance
for
design,
preparation
MDA.
Besides,
challenges
faced
by
are
analyzed
corresponding
solutions
proposed,
which
points
out
next
stage
developing
direction
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 6, 2024
Abstract
Eumelanin,
a
natural,
biocompatible,
and
biodegradable
photothermal
agent
derived
from
biomass,
has
attracted
increasingly
considerable
attention
due
to
its
outstanding
conversion
efficiency.
Unfortunately,
tendency
aggregate
in
flexible
non‐polar
polymers,
owing
abundant
polar
groups
on
the
surface,
severely
restricted
application
of
eumelanin
composite
field.
Herein,
feasible
strategy
is
proposed
disperse
rubber
matrix
via
situ
generation
Zinc
dimethacrylate
(ZDMA).
The
graft‐polymerization
ZDMA
promotes
interfacial
compatibility
between
styrene
butadiene
(SBR)
eumelanin,
achieving
uniform
dispersion
SBR.
exhibits
tensile
strength
11.4
MPa,
acceptable
elongation
at
break
146%,
efficiency
up
75.2%
with
only
1
wt%
eumelanin.
Furthermore,
based
easy‐processing
SBR
matrix,
treated
sandpaper
template
technique
sprayed
trimethoxy(1H,1H,2H,2H‐perfluorodecyl)silane
(PFDTMS)
endow
material
near
superhydrophobicity
(water
contact
angle
147.9°)
capacity.
Hydrophobicity
provides
excellent
icing
resistance,
droplet
surfaces
extending
more
than
twice
as
long
freeze.
Moreover,
this
hydrophobic
remarkable
anti‐frosting,
de‐frosting,
de‐icing
capabilities.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 10, 2025
Abstract
Photothermal
phase
change
materials
(PPCMs)
are
prevalent
in
energy
harvesting
and
thermal
management,
owing
to
their
dual
functionality
of
solar‐to‐heat
conversion
latent
heat
storage
capacity.
However,
conventional
PPCMs
still
face
challenges,
including
reliance
on
non‐renewable
photothermal
agents,
low
efficiency,
leakage
issues,
inflexibility,
which
collectively
hinder
widespread
application.
Here,
a
flexible
with
high
properties
is
prepared
by
modifying
eumelanin
oleoyl
chloride
improved
interfacial
compatibility
Styrene‐butadiene
rubber
(SBR),
followed
uniform
incorporation
paraffin
wax
(PW)
into
the
matrix
via
physical
mixing.
The
composite
exhibits
considerable
elongation
at
break
412.0%,
acceptable
tensile
strength
1
MPa,
outstanding
efficiency
up
81.7%
only
2
wt.%
modified
eumelanin.
Furthermore,
material
maintains
meagre
rate
0.81%
PW
content
70
wt.%,
accompanied
favorable
melting
144.98
J
g
−1
freezing
145.30
.
Thanks
these
excellent
properties,
obtained
has
potential
applications
management.
Moreover,
its
integration
Seebeck
thermoelectric
generator
produces
enough
output
power
range
small
appliances,
miniature
fans,
electronic
clocks
light
bulbs.
This
paper
is
concerned
with
the
design,
manufacture
and
validation
of
‘Poka',
a
novel
millimetre‐scale
necro‐robot
aimed
at
bridging
performance
gap
between
miniature
robots
insects.
To
create
Poka,
exoskeleton
deceased
five‐horned
rhinoceros
beetle
(
Eupatorus
gracilicornis
)
used
as
mechanical
chassis,
which
mechatronically
functionalised
to
enable
ambulation.
When
comparing
payload
ratio,
PR,
Poka
against
reported
values
Xyloryctes
thestalus
,
it
found
that
Poka's
PR
more
than
two‐fold
higher,
reaching
measured
maximum
6847%
(i.e.,
68.47
times
its
own
body
weight).
The
specific
power
payload,
P
s,t
nevertheless
same
order
magnitude
in
both
(0.21
W/kg)
(0.28
W/kg).
highest
average
speed,
(1.55
mm/s),
achieved
=
2739%,
after
progressively
decreases
increasing
minimum
1.3
mm/s
PR.
those
17
other
ambulating
robots,
far
exceeds
any
robot
date,
being
otherwise
from
SuperBot,
who
has
530%.
therefore
recorded
date
this
attributed
(a)
use
natural
composite
chassis
high
properties
(b)
additive
bionic
parts
using
low
density
but
stiff
polylactic
acid,
designed
structurally
stable
geometries.
Nano-Micro Letters,
Journal Year:
2025,
Volume and Issue:
17(1)
Published: April 30, 2025
Abstract
Currently,
numerous
biomimetic
robots
inspired
by
natural
biological
systems
have
been
developed.
However,
creating
soft
with
versatile
locomotion
modes
remains
a
significant
challenge.
Snakes,
as
invertebrate
reptiles,
exhibit
diverse
and
powerful
abilities,
including
prey
constriction,
sidewinding,
accordion
locomotion,
winding
climbing,
making
them
focus
of
robotics
research.
In
this
study,
we
present
snake-inspired
robot
an
initial
coiling
structure,
fabricated
using
MXene-cellulose
nanofiber
ink
printed
on
pre-expanded
polyethylene
film
through
direct
writing
technology.
The
controllable
fabrication
structure
(ICSBot)
has
achieved
theoretical
calculations
finite
element
analysis
to
predict
analyze
the
ICSBot,
programmable
ICSBot
designed
fabricated.
This
functions
gripper
capable
grasping
objects
complex
shapes
under
near
infrared
light
stimulation.
Additionally,
it
demonstrates
multi-modal
crawling
in
various
environments,
confined
spaces,
unstructured
terrains,
both
inside
outside
tubes.
These
results
offer
novel
strategy
for
designing
fabricating
coiling-structured
highlight
their
potential
applications
smart
multifunctional
robotics.
Multifunctional
soft
robots
are
emerging
as
a
new-generation
intelligent
device
for
challenging
environments.
To
meet
the
requirements
of
smart
applications
and
robotics,
developing
actuator
capable
multiple
functions
mechanical
deformation
is
essential.
In
this
study,
we
designed
free-standing
magnetic
constructed
from
iron
oxide
(Fe2O3)
nanoparticles
poly(vinyl
alcohol)
(PVA),
that
responds
to
both
moisture
fields.
We
used
computational
modeling
(density
functional
theory
ab
initio
molecular
dynamics)
explain
experimental
findings
demonstrating
high-bending
angle
(∼150°),
which
about
twice
large
under
combined
field
exposure
compared
their
individual
effect.
Additionally,
flower-shaped
robot
was
by
using
continuous
bending
in
response
changes,
performing
directional
an
ambient
environment.
These
demonstrate
material's
sensitivity
fields,
opening
up
new
possibilities
designing
responsive
structures
industry.
