Chemical Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 30, 2025
Hydrogel
fibers
(HFs)
are
abundant
in
living
organisms,
including
the
three
major
tissues
of
human
body,
that
is,
muscle,
nerve,
and
connective
tissue,
which
have
ability
to
transport
materials
deliver
energy,
playing
a
crucial
role
carrying
out
essential
life
functions
through
collaborative
bottom-up
construction
function
structure.
Therefore,
development
functional
HFs
closely
mimic
biofunction
is
highly
desirable.
characterized
by
their
high
water
content
fibrous
shape
with
cross-linking
network
condensed
structures.
They
combine
characteristics
hydrogel
(soft,
wet,
environmentally,
responsive,
biocompatible)
structural
advantages
fiber
(high
aspect
ratio,
anisotropy,
flexibility).
systematic
understanding
current
challenges
great
significance
for
functionalization
construction,
potentially
leading
realization
bionic
similar
those
found
body.
This
paper
discussing
HFs,
focusing
on
material
composition,
design,
applications,
while
also
addressing
limitations
associated
detail.
The
goal
this
review
provide
guidelines
or
practical
applications.
Advanced Materials,
Год журнала:
2024,
Номер
36(44)
Опубликована: Сен. 12, 2024
Abstract
Practical
applications
of
existing
self‐healing
ionogels
are
often
hindered
by
the
trade‐off
between
their
mechanical
robustness,
ionic
conductivity,
and
temperature
requirements
for
ability.
Herein,
this
challenge
is
addressed
drawing
inspiration
from
sea
cucumber.
A
polyurethane
containing
multiple
hydrogen‐bond
donors
acceptors
synthesized
used
to
fabricate
room‐temperature
with
excellent
properties,
high
puncture
resistance,
impact
resistance.
The
hard
segments
polyurethane,
driven
hydrogen
bonds,
coalesce
into
phase
regions,
which
can
efficiently
dissipate
energy
through
reversible
disruption
reformation
bonds.
Consequently,
resulting
exhibit
record‐high
tensile
strength
toughness
compared
other
ionogels.
Furthermore,
inherent
reversibility
bonds
within
regions
allows
spontaneously
self‐heal
damaged
properties
conductivity
times
at
room
temperature.
To
underscore
application
potential,
these
employed
as
electrolytes
in
fabrication
electrochromic
devices,
stable
performance,
repeatable
healing
ability,
satisfactory
This
study
presents
a
novel
strategy
exceptional
capability.
Abstract
Mechanically
robust
hydrogel
fibers
have
demonstrated
great
potential
in
energy
dissipation
and
shock‐absorbing
applications.
However,
developing
such
materials
that
are
recyclable,
energy‐efficient,
environmentally
friendly
remains
an
enormous
challenge.
Herein,
inspired
by
spider
silk,
a
continuous
scalable
method
is
introduced
for
spinning
polyacrylamide
microfiber
with
hierarchical
sheath‐core
structure
under
ambient
conditions.
Applying
pre‐stretch
twist
the
as‐spun
microfibers
results
tensile
strength
of
525
MPa,
toughness
385
MJ
m
−3
,
damping
capacity
99%,
which
attributed
to
reinforcement
hydrogen‐bond
nanoclusters
within
matrix.
Moreover,
it
maintains
both
structural
mechanical
stability
several
days,
can
be
directly
dissolved
water,
providing
sustainable
dope
re‐spinning
into
new
microfibers.
This
work
provides
strategy
recyclable
hydrogel‐based
fibrous
materials.
Biomimetics,
Год журнала:
2024,
Номер
9(9), С. 545 - 545
Опубликована: Сен. 9, 2024
Biological
structures
optimized
through
natural
selection
provide
valuable
insights
for
engineering
load-bearing
components.
This
paper
reviews
six
key
strategies
evolved
in
nature
efficient
mechanical
load
handling:
hierarchically
structured
composites,
cellular
structures,
functional
gradients,
hard
shell–soft
core
architectures,
form
follows
function,
and
robust
geometric
shapes.
The
also
discusses
recent
research
that
applies
these
to
design,
demonstrating
their
effectiveness
advancing
technical
solutions.
challenges
of
translating
nature’s
designs
into
applications
are
addressed,
with
a
focus
on
how
advancements
computational
methods,
particularly
artificial
intelligence,
accelerating
this
process.
need
further
development
innovative
material
characterization
techniques,
modeling
approaches
heterogeneous
media,
multi-criteria
structural
optimization
advanced
manufacturing
techniques
capable
achieving
enhanced
control
across
multiple
scales
is
underscored.
By
highlighting
holistic
approach
designing
components,
advocates
adopting
similarly
comprehensive
methodology
practices
shape
the
next
generation
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 11, 2024
Abstract
Structurally
colored
objects
with
3D
geometries
are
intriguing
in
optical
devices
and
visual
sensors,
but
their
preparation
is
bottlenecked
by
complicated
procedures
limited
material
choices.
Herein,
a
facile
supramolecular
printing
strategy
proposed
via
direct
ink
writing
(DIW)
colloidal
inks
(SCIs)
consisting
of
polymers
colloids
based
on
interactions
to
construct
healable
recyclable
structurally
objects.
Optimized
balance
the
rheological
requirements
for
DIW
high
particle
volume
fraction
one‐step
immediate
generation
structural
color.
The
shear‐thinning
thixotropy
features
SCIs,
characterized
two‐order‐of‐magnitude
decrease
viscosity
during
process
50%
storage
modulus
recovery
thereafter,
ensure
reversible
solid–liquid
transition
extrusion
deposition
process.
short‐range
ordered
arrangements
within
matrix
give
rise
angle‐independent
Moreover,
from
SCIs
and,
more
importantly,
can
be
closed‐looped
recycled
thanks
reversibility
interactions.
Leveraging
optimized
interactions,
various
wide
range
choices
meeting
extended
directly.
This
study
paves
way
constructing
advanced
materials
strategy.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 8, 2024
Intrinsically
stretchable
conductive
materials
based
on
elastic
substrates
and
components
play
important
roles
in
biomedical
applications,
such
as
exercise
rehabilitation
monitoring
disease
prediction.
A
persistent
challenge
is
to
combine
high
fatigue
resistance
with
excellent
mechanical
properties
materials.
Herein,
we
present
a
material
both
good
tensile
(∼3170%)
poly(acrylic
acid)-phytic
acid-trehalose-polypyrrole
(denoted
PPTP).
The
as-prepared
PPTP
hydrogel
electrode
showed
no
obvious
cracking
or
delamination
after
400
loading
unloading
cycles
maintained
electrical
signal
transmission
function
1000
cycles.
We
further
collected
stable
signals
for
human
motion
handwriting
using
the
strain
sensor,
demonstrating
potential
application
of
biomedicine.
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 4, 2024
Abstract
Flexible
strain
monitoring
of
hand
and
joint
muscle
movement
is
recognized
as
an
effective
method
for
the
diagnosis
rehabilitation
neurological
diseases
such
stroke
Parkinson's
disease.
However,
balancing
high
sensitivity
large
strain,
improving
wearing
comfort,
solving
separation
treatment
are
important
challenges
further
building
tele‐healthcare
systems.
Herein,
a
hydrogel‐based
optical
waveguide
stretchable
(HOWS)
sensor
proposed
in
this
paper.
A
double
network
structure
adopted
to
allow
HOWS
exhibit
stretchability
tensile
up
600%
0.685
mV
%
−1
.
Additionally,
flexible
smart
bionic
fabric
embedding
sensor,
produced
through
warp
weft
knitting,
significantly
enhances
comfort.
small
circuit
board
prepared
enable
wireless
signal
transmission
designed
thereby
daily
portability.
speech
recognition
human‐machine
interaction
system,
based
on
acquisition,
constructed,
convolutional
neural
algorithm
integrated
disease
assessment.
By
integrating
sensing,
transmission,
artificial
intelligence
(AI),
system
sensors
demonstrated
hold
great
potential
early
warning
diseases.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(39), С. 53022 - 53032
Опубликована: Сен. 22, 2024
Impact-protective
materials
are
gaining
importance
because
of
the
widespread
occurrence
impact
damage.
Hydrogels
have
emerged
as
promising
candidates
owing
to
their
lightweight
and
flexible
nature.
However,
achieving
soft
impact-resistant
hydrogels
with
exceptional
stiffness,
strength,
toughness
remains
a
challenge.
Inspired
by
Bouligand
structure
found
in
smasher
dactyl
club
stomatopods,
we
propose
straightforward
multiscale
hierarchical
structural
design
strategy.
This
strategy
integrates
self-assembly
salting-out
techniques
enhance
resistance
hydrogels.
Rigid
cellulose
nanocrystals
(CNCs)
self-assemble
into
Bouligand-like
structures
within
poly(vinyl
alcohol)
(PVA)
matrix
via
supramolecular
interactions.
rational
combines
CNC
cross-linked
network
PVA
crystalline
domains,
resulting
composite
hydrogel
impressive
mechanical
properties:
high
tensile
fracture
strength
(30.2
MPa),
elastic
modulus
(62.7
energy
(75.6
kJ
m
