Bioinspired Stimuli-Responsive Materials for Soft Actuators
Biomimetics,
Journal Year:
2024,
Volume and Issue:
9(3), P. 128 - 128
Published: Feb. 21, 2024
Biological
species
can
walk,
swim,
fly,
jump,
and
climb
with
fast
response
speeds
motion
complexity.
These
remarkable
functions
are
accomplished
by
means
of
soft
actuation
organisms,
which
commonly
composed
muscle
tissue
systems.
To
achieve
the
creation
their
biomimetic
artificial
counterparts,
various
stimuli-responsive
materials
have
been
synthesized
developed
in
recent
decades.
They
respond
to
external
stimuli
form
structural
or
morphological
transformations
actively
passively
converting
input
energy
into
mechanical
energy.
core
element
actuators
for
typical
smart
devices
like
robots,
muscles,
intelligent
sensors
nanogenerators.
Significant
progress
has
made
development
bioinspired
materials.
However,
these
not
comprehensively
summarized
specific
mechanisms
literature.
In
this
review,
we
will
discuss
advances
that
instrumental
actuators.
Firstly,
different
principles
discussed,
including
fluidic,
electrical,
thermal,
magnetic,
light,
chemical
stimuli.
We
further
summarize
state-of-the-art
explore
advantages
disadvantages
using
electroactive
polymers,
magnetic
composites,
photo-thermal
responsive
shape
memory
alloys
other
Finally,
provide
a
critical
outlook
on
field
emphasize
challenges
process
implementation
industries.
Language: Английский
Nature-inspired miniaturized magnetic soft robotic swimmers
Applied Physics Reviews,
Journal Year:
2024,
Volume and Issue:
11(2)
Published: April 24, 2024
State-of-the-art
biomedical
applications
such
as
targeted
drug
delivery
and
laparoscopic
surgery
are
extremely
challenging
because
of
the
small
length
scales,
requirements
wireless
manipulation,
operational
accuracy,
precise
localization.
In
this
regard,
miniaturized
magnetic
soft
robotic
swimmers
(MSRS)
attractive
candidates
since
they
offer
a
contactless
mode
operation
for
path
maneuvering.
Inspired
by
nature,
researchers
have
designed
these
small-scale
intelligent
machines
to
demonstrate
enhanced
swimming
performance
through
viscous
fluidic
media
using
different
modes
propulsion.
review
paper,
we
identify
classify
nature-inspired
basic
that
been
optimized
over
large
evolutionary
timescales.
For
example,
ciliary
like
Paramecium
Coleps
covered
with
tiny
hairlike
filaments
(cilia)
beat
rhythmically
coordinated
wave
movements
propulsion
gather
food.
Undulatory
spermatozoa
midge
larvae
use
traveling
body
waves
push
surrounding
fluid
effective
highly
environments.
Helical
bacteria
rotate
their
slender
whiskers
(flagella)
locomotion
stagnant
viscid
fluids.
Essentially,
all
three
employ
nonreciprocal
motion
achieve
spatial
asymmetry.
We
provide
mechanistic
understanding
magnetic-field-induced
spatiotemporal
symmetry-breaking
principles
adopted
MSRS
at
scales.
Furthermore,
theoretical
computational
tools
can
precisely
predict
magnetically
driven
deformation
fluid–structure
interaction
discussed.
Here,
present
holistic
descriptive
recent
developments
in
smart
material
systems
covering
wide
spectrum
fabrication
techniques,
design,
applications,
strategies,
actuation,
modeling
approaches.
Finally,
future
prospects
promising
systems.
Specifically,
synchronous
tracking
noninvasive
imaging
external
agents
during
vivo
clinical
still
remains
daunting
task.
experimental
demonstrations
mostly
limited
vitro
ex
phantom
models
where
dynamics
testing
conditions
quite
compared
conditions.
Additionally,
multi-shape
morphing
multi-stimuli-responsive
modalities
active
structures
demand
further
advancements
4D
printing
avenues.
Their
multi-state
configuration
an
solid-fluid
continuum
would
require
development
multi-scale
models.
Eventually,
adding
multiple
levels
intelligence
enhance
adaptivity,
functionalities,
reliability
critical
applications.
Language: Английский
Triggerable Patches for Medical Applications
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(35)
Published: June 11, 2024
Medical
patches
have
garnered
increasing
attention
in
recent
decades
for
several
diagnostic
and
therapeutic
applications.
Advancements
material
science,
manufacturing
technologies,
bioengineering
significantly
widened
their
functionalities,
rendering
them
highly
versatile
platforms
wearable
implantable
Of
particular
interest
are
triggerable
designed
drug
delivery
tissue
regeneration
purposes,
whose
action
can
be
controlled
by
an
external
signal.
Stimuli-responsive
particularly
appealing
as
they
may
enable
a
high
level
of
temporal
spatial
control
over
the
therapy,
allowing
precision
possibility
to
adjust
treatment
according
specific
clinical
personal
needs.
This
review
aims
provide
comprehensive
overview
existing
extensive
literature
on
patches,
emphasizing
potential
diverse
applications
highlighting
strengths
weaknesses
different
triggering
stimuli.
Additionally,
current
open
challenges
related
design
use
efficient
such
tuning
mechanical
adhesive
properties,
ensuring
acceptable
trade-off
between
smartness
biocompatibility,
endowing
with
portability
autonomy,
accurately
controlling
responsiveness
stimulus
maximizing
efficacy,
reviewed.
Language: Английский
Bioinspired Stimuli-Responsive Materials for Soft Actuators
Published: Jan. 29, 2024
Biomimetic
stimuli-responsive
materials
can
respond
to
various
external
stimuli
in
the
form
of
structural
or
morphological
transformations
by
actively
passively
converting
input
energy
into
mechanical
energy.
They
are
core
element
soft
actuators
for
typical
smart
devices
like
robots,
artificial
muscles,
intelligent
sensors
and
nanogenerators.
While
significant
progresses
have
been
made
bioinspired
materials,
they
not
yet
achieved
remarkable
properties
biological
systems.
In
this
review,
we
will
discuss
recent
advances
biomimetic
that
instrumental
actuators.
Different
principles
firstly
discussed,
including
fluidic,
electrical,
thermal,
magnetic,
light
chemical
stimuli.
We
further
summarize
state-of-the-art
explore
advantages
disadvantages
using
electroactive
polymers,
magnetic
composites,
hydrogels,
liquid
crystal
elastomers,
shape
memory
alloys
chemical-responsive
materials.
Finally,
provide
a
critical
outlook
on
field
actuators,
emphasize
challenges
process
their
implementation
industries.
Language: Английский
Bioinspired Metal–Ligand Networks with Enhanced Stability and Performance: Facile Preparation of Hydroxypyridinone (HOPO)-Functionalized Materials
Declan P. Shannon,
No information about this author
Kenneth Cérdan,
No information about this author
Minseong Kim
No information about this author
et al.
Macromolecules,
Journal Year:
2024,
Volume and Issue:
57(24), P. 11339 - 11349
Published: Dec. 6, 2024
Bioinspired
hydroxypyridinone
(HOPO)functionalized
materials
are
shown
to
display
a
remarkable
capacity
for
stability
and
chelating
wide
array
of
metal
ions.
This
allows
the
synthesis
multifunctional
networks
with
diverse
physical
properties
when
compared
traditional
catechol
systems.
In
present
study,
we
report
facile,
one-pot
an
amino
HOPO
ligand
simple,
scalable
incorporation
into
PEG-acrylate
based
via
active
ester
chemistry.
modular
network
approach
fabrication
patterned
containing
which
can
chelate
range
ions,
such
as
transition
metals
(Fe
Language: Английский
Stable Radical Polymers as New Electroactive Materials: Synthesis, Properties, and Emerging Applications
Yufeng Xiong,
No information about this author
Yingjiang Li,
No information about this author
X. Z. Cui
No information about this author
et al.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 15, 2024
Abstract
Extensive
research
over
recent
decades
has
demonstrated
the
feasibility
of
producing
stable
radical
polymers
(SRPs)
by
exploring
structure–stability
relationships.
Owing
to
their
excellent
redox
activities
and
inherent
paramagnetic
characteristics,
SRPs
are
emerging
as
key
functional
materials
with
considerable
potentials
for
various
applications
such
in
organic
electrodes,
semiconductors,
magnetic
materials,
quantum
information
technologies.
Accordingly,
this
review
provides
a
comprehensive
summary
most
widely
investigated
representative
families
SRPs.
Innovative
strategies
design
synthesis
relationship
among
physicochemical
properties,
electronic
structures,
resulting
functionalities
these
discussed.
Moreover,
advancements
highlighted.
Finally,
challenges
chemistry
material
functionalization,
offering
insights
into
transformative
potential
future
applications,
emphasized.
Language: Английский