Electrospun Green Fluorescent-Highly Anisotropic Conductive Janus-Type Nanoribbon Hydrogel Array Film for Multiple Stimulus Response Sensors
Haina Qi,
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Xuelian Jing,
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Yaolin Hu
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et al.
Composites Part B Engineering,
Journal Year:
2024,
Volume and Issue:
288, P. 111933 - 111933
Published: Nov. 2, 2024
Language: Английский
Fundamentals and Advances in Stimuli-Responsive Hydrogels and Their Applications: A Review
Gels,
Journal Year:
2025,
Volume and Issue:
11(1), P. 30 - 30
Published: Jan. 2, 2025
This
review
summarizes
the
fundamental
concepts,
recent
advancements,
and
emerging
trends
in
field
of
stimuli-responsive
hydrogels.
While
numerous
reviews
exist
on
this
topic,
continues
to
evolve
dynamically,
certain
research
directions
are
often
overlooked.
To
address
this,
we
classify
hydrogels
based
their
response
mechanisms
provide
an
in-depth
discussion
key
properties
mechanisms,
including
swelling
kinetics,
mechanical
properties,
biocompatibility/biodegradability.
We
then
explore
hydrogel
design,
synthesis,
structural
engineering,
followed
by
overview
applications
that
relatively
well
established
from
a
scientific
perspective,
biomedical
uses
(biosensing,
drug
delivery,
wound
healing,
tissue
engineering),
environmental
(heavy
metal
phosphate
removal
environment
polluted
water),
soft
robotics
actuation.
Additionally,
highlight
unconventional
such
as
local
micro-thermometers
cell
mechanotransduction.
concludes
with
current
challenges
future
prospects
field,
aiming
inspire
further
innovations
advancements
bring
them
closer
societal
needs.
Language: Английский
pH‐Sensitive Janus Hydrogels with Bidirectional Bending Behaviors
Macromolecular Chemistry and Physics,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
Abstract
This
study
introduces
a
novel
design
for
pH‐sensitive
bilayer
Janus
hydrogels
with
bidirectional
bending
capabilities,
achieved
through
the
layer‐by‐layer
polymerization
of
two
distinct
hydrogel
layers.
The
upper
layer,
composed
P(HEMA
‐co‐
4VP),
swells
in
acidic
environments
due
to
protonation
pyridine
groups,
inducing
toward
one
side.
Conversely,
lower
made
AA),
expands
alkaline
conditions
by
deprotonation,
causing
opposite
direction.
demonstrates
significant
shape
deformations,
influenced
variations
layer
thickness
and
pH
conditions.
Detailed
analyses
swelling
behaviors,
compressive
toughness,
rheological
properties
reveal
that
unique
composition
ensures
tunable
mechanical
responses.
Furthermore,
fabricated
into
complex
geometries,
such
as
flower‐
starfish‐shaped
structures,
showcase
practical
applications
soft
robotics
biomimetic
devices.
versatility
is
further
confirmed
substituting
4VP)
DMAEMA),
which
maintained
responses
under
both
research
theoretical
understanding
stimulus‐responsive
offers
an
innovative
platform
designing
intelligent
actuators
adaptable
diverse
dynamic
environments.
Language: Английский
Hydrogel-Based Continuum Soft Robots
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.
Language: Английский
Magnetically actuated soft small-scale robot for undulating swimming
Physics of Fluids,
Journal Year:
2025,
Volume and Issue:
37(4)
Published: April 1, 2025
Small-scale
soft
robots,
capable
of
undulatory
swimming
propelled
by
distributed
magnetic
body
torques,
are
numerically
investigated
under
underwater
conditions.
These
robots
composed
a
stiff
frame
and
sheet.
The
secures
the
ends
sheet,
preventing
curling
or
rolling
during
swimming.
To
evaluate
impact
on
dynamics,
we
systematically
modulate
frequency
driving
field,
magnetization
profiles
robot,
material
mechanical
properties
fluid
environment
properties,
wall
proximity.
Results
indicate
that
all
these
factors
significantly
affect
robot's
velocity
directional
stability.
Higher
frequencies
reduce
velocity,
while
decreasing
Regarding
profiles,
increasing
number
periods
reduces
segmented
stability
maintaining
high
velocity.
Robots
designed
with
stiffer
materials
concentrated
near
two
exhibit
faster
robot
maintains
relatively
stable
motion
achieves
in
very
close
proximity
to
wall,
but
it
struggles
maintain
at
even
slightly
greater
distances.
In
shear-thinning
fluids,
higher
due
low-viscosity
corridors
surrounding
its
experiences
reduced
findings
provide
significant
insights
for
design
optimization
small-scale
controlled
swimming,
potential
applications
fields
such
as
targeted
drug
delivery
minimally
invasive
surgery.
Language: Английский
A Soft Robot Based on Charged Spiropyran Amphiphilic Supramolecular Nanoassembly for Macroscopic Actuation
ACS Applied Nano Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 18, 2025
Language: Английский
Capillary-assisted printing of droplets at a solid-like liquid-liquid interface
Journal of Colloid and Interface Science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 137665 - 137665
Published: April 1, 2025
Language: Английский
Advancement in Soft Hydrogel Grippers: Comprehensive Insights into Materials, Fabrication Strategies, Grasping Mechanism, and Applications
Biomimetics,
Journal Year:
2024,
Volume and Issue:
9(10), P. 585 - 585
Published: Sept. 27, 2024
Soft
hydrogel
grippers
have
attracted
considerable
attention
due
to
their
flexible/elastic
bodies,
stimuli-responsive
grasping
and
releasing
capacity,
novel
applications
in
specific
task
fields.
To
create
soft
with
robust
of
various
types
objects,
high
load
capability,
fast
grab
response,
long-time
service
life,
researchers
delve
deeper
into
materials,
fabrication
strategies,
underlying
actuation
mechanisms.
This
article
provides
a
systematic
overview
materials
used
grippers,
focusing
on
composition,
chemical
functional
groups,
characteristics
the
strategies
for
integrating
these
responsive
including
one-step
polymerization,
additive
manufacturing,
structural
modification
are
reviewed
detail.
Moreover,
ongoing
research
about
actuating
mechanisms
(e.g.,
thermal/electrical/magnetic/chemical)
is
summarized.
Some
remaining
challenges
future
perspectives
also
provided.
work
highlights
recent
advances
which
useful
insights
development
new
generation
grippers.
Language: Английский