Future
structural
materials
is
not
only
be
lightweight,
strong,
and
tough,
but
also
capable
of
integrating
functions
like
sensing,
adaptation,
self-healing,
deformation,
recovery
as
needed.
Although
bio-inspired
are
well
developed,
directly
microelectronic
patterns
into
nacre-mimetic
structures
remains
challenging,
limiting
the
widespread
application
electronic
biomimetic
materials.
Here,
an
in
situ
freeze-drying
method
reported
for
successful
preparation
porous
silk
fibroin
that
can
achieve
dry
bonding.
The
preserves
integrity
lyophilized
membrane
while
reducing
procedural
steps,
achieving
control
over
pore
gradient
feasible
with
traditional
techniques.
By
leveraging
their
smooth
surfaces
capacity
to
support
heat
transfer
patterns,
layer-by-layer
assembly
at
a
macroscopic
scale
achieved.
material's
excellent
mechanical
properties,
controllable
graded
structure,
adjustable
degradation
behavior
enable
construction
electronically
functionalized
hierarchical
structures.
Additionally,
dry-state,
bonding
polymer
films
provides
advantages
precision
control,
stability,
functional
versatility,
structuring,
scalability.
It
represents
innovative
approach,
offering
multi-functional
customizable
bulk
materials,
especially
suited
biomedical
applications.
This
work
offers
effective
pathway
developing
high-performance
multifunctional
devices
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 13, 2025
Abstract
The
phenomena
occurring
in
a
weld
seam
during
advancement
of
laser
beam
over
metallic
component
are
still
under
dispute.
occurrence
and
evolution
porosity
the
occasional
blowout
melt
need
to
be
understood.
Here,
recently
developed
X‐ray
tomoscopy
setup
is
applied,
providing
one
hundred
3D
images
per
second
capture
temporal
pool
an
AlSi9Cu3(Fe)
die‐casting
while
advances.
number
pores,
their
size,
shape
distribution
quantified
with
10
ms
time
resolution
reflect
complex
dynamic
pattern.
Apart
from
conventional
welding,
variant
involving
modulation
superimposed
onto
linear
motion
studied.
Reductions
surface
roughness
observed
explained
by
increased
pore
mobility
stepwise
degassing
as
repeatedly
cuts
through
pores.
keyhole
formed
integrated
represented
3D.
Advanced Materials Technologies,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 29, 2025
Abstract
Thermoresponsive
hydrogels
hold
significant
potential
for
soft
actuators
due
to
their
ability
undergo
reversible
shape
deformation
in
response
temperature
changes.
However,
the
mechanical
brittleness
along
with
slow
actuation
responsiveness
of
such
limit
usage
high‐stress
environments.
Herein,
design
and
fabrication
tough
fast‐responding
thermoresponsive
double‐network
(DN)
hydrogels,
specifically
developed
use
actuators,
are
introduced.
Using
a
one‐pot
free‐radical
polymerization
method,
DN
composed
poly(N‐isopropylacrylamide)
(PNIPAm)
first
network
an
ether‐based
polyurethane
(EPU)
second
network,
providing
both
strength
fast
variation
synthesized.
The
fabricated
exhibit
excellent
properties,
ultimate
compressive
stress
≈8
MPa,
demonstrate
rapid
actuation,
achieving
≈30%
linear
contraction
≈28%
radial
within
2
min
under
hydrothermal
conditions
at
50
°C.
Furthermore,
tubular
from
these
act
as
fluidic
sensors,
automatically
switching
fluid
flow
direction
change.
These
combine
toughness,
sensing,
offering
substantial
advancements
robotics
adaptive
systems.
Advanced Electronic Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 9, 2025
Abstract
Water
and
energy
are
the
cornerstones
of
human
development,
with
more
than
half
world's
population
facing
water
scarcity
issues.
Atmospheric
moisture
is
widely
distributed
around
globe,
rational
utilization
can
create
tremendous
value.
Here,
sources
hygroscopic
materials,
methods
manufacturing
hydrogels,
properties
these
potential
applications
concluded.
To
make
hydrogels
high
hydrophilicity,
ultrasonic
oscillation,
freeze
drying,
spin
coating
be
used
as
synthesis
strategies.
The
main
focus
on
characteristic
parameters
uptake,
dehydration
temperature,
conductivity,
mechanical
stability,
swelling
behaviors,
heat
transfer
coefficient.
These
unique
features
will
affect
performances
assembles,
devices,
instruments.
Subsequently,
summarized,
such
harvesting
splitting
fuel
production,
dehumidification,
thermal
management
in
electronic
solar
evaporation,
electricity
production.
Finally,
future
directions
issues
interest
proposed
to
promote
diverse
development
relational
systems.
Abstract
Hydrogel‐based
solar
interfacial
evaporators,
featuring
various
channels
such
as
random,
unidirectional,
and
radial
array,
are
considered
effective
for
seawater
desalination
owing
to
their
porous
structure,
lower
evaporation
enthalpy,
controllable
water
transport
capacity.
However,
each
individual
array
structure
has
its
own
strengths
limitations,
influencing
transportation,
thermal
management,
salt
rejection.
By
combining
the
benefits
of
configuration
into
a
single
evaporator,
performance
can
be
maximized.
Herein,
study
develops
unique
nanofibrous
hydrogel‐based
evaporator
combined
radical/vertical
structure.
This
integrated
with
external
internal
vertical
endows
this
excellent
capability
reduced
heat
loss,
resulting
in
superior
high
salty
resistance.
The
addition
nanofibers
hydrogels
not
only
enhances
hydrogel's
stability
but
also
facilitates
transport.
Under
1
sun
illumination,
achieve
an
impressive
rate
4.62
kg
m
−2
h
−1
energy
efficiency
149.57%.
After
12
20
wt.%
NaCl
solution,
it
still
maintains
average
3.98
minimal
accumulation,
thereby
exhibiting
exceptional
resistance
durability.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 11, 2024
Abstract
Reprogrammable
shape
morphing
is
ubiquitous
in
living
beings
and
highly
crucial
for
them
to
move
normal
situations,
even
survive
under
dangerous
conditions.
There
increasing
interest
using
asymmetric
hydrogel
structures
understand
mimic
beings’
upon
an
external
trigger
a
controlled
way.
However,
these
or
heterogeneous
configurations
cannot
be
further
modified
once
the
polymer
hydrogels
are
prepared.
Therefore,
it
great
challenge
achieve
reprogrammable
existing
hydrogels.
Inspired
by
marine
amoebae,
which
transform
into
several
different
morphologies
according
various
salt
concentrations,
new
strategy
developed
salting
reconfigure
their
anisotropy
toward
morphing.
Polyampholyte
with
equal
stoichiometric
COO
−
N
+
(CH
3
)
groups
were
first
swollen
HCl/NaCl
solution.
After
being
then
transferred
water,
they
again
water
uptake
driven
osmotic
pressure,
spontaneously
deswollen
due
increase
internal
pH
dialysis
of
ions
leading
deprotonation
COOH
regeneration
/N
electrostatic
attraction.
This
work
provides
novel
soft
actuators
open
up
avenue
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 3, 2025
Abstract
Solid‐state
photosynthetic
cell
factories
(SSPCFs)
are
a
new
production
concept
that
leverages
the
innate
abilities
of
microbes
to
drive
valuable
chemicals.
It
addresses
practical
challenges
such
as
high
energy
and
water
demand
improper
light
distribution
associated
with
suspension‐based
culturing;
however,
these
systems
often
face
significant
related
mass
transfer.
The
approach
focuses
on
overcoming
limitations
by
carefully
engineering
microstructure
immobilization
matrix
through
freeze‐induced
assembly
nanochitin
building
blocks.
use
nanochitins
optimized
size
enabled
formation
macropores
lamellar
spatial
organization,
which
significantly
improves
transmittance
distribution,
crucial
for
maximizing
efficiency
reactions.
biomimetic
crosslinking
strategy,
leveraging
specific
interactions
between
polyphosphate
anions
primary
amine
groups
featured
chitin
fibers,
produced
mechanically
robust
wet‐resilient
cryogels
maintained
their
functionality
under
operational
conditions.
Various
model
biotransformation
reactions
leading
value‐added
chemicals
performed
in
chitin‐based
matrix.
demonstrates
superior
or
comparable
performance
existing
state‐of‐the‐art
matrices
systems.
findings
suggest
cryogel
holds
promise
advancing
development
solid‐state
factories,
offering
scalable
solution
improve
productivity
light‐driven
biotransformation.
Small Structures,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 17, 2025
Oil
spills
and
water
pollution
present
significant
environmental
challenges,
calling
for
the
development
of
sustainable
efficient
material
solutions.
In
this
study,
aerogels
are
prepared
from
chitosan
sodium
alginate,
two
renewable
natural
polysaccharides,
through
ultrasonication‐assisted
nanofiber
assembly
combined
with
freeze
casting.
This
approach
leverages
inherent
electrostatic
interactions
between
polysaccharides
to
assemble
nanofibers,
which
then
aggregated
into
an
anisotropic
honeycomb‐like
cellular
microstructure
during
The
addition
methyltrimethoxysilane
further
consolidates
network,
resulting
in
CSNF‐Si
a
superlow
density
0.0198
g
cm
−3
,
yet
high
mechanical
strength
(105.7
kPa
at
80%
strain)
shape
recovery
(95%
after
deformation).
addition,
exhibit
superhydrophobicity
contact
angle
151°
rolling
4.3°,
enabling
effective
oil
absorption
capacities
reaching
up
90
times
their
own
weight.
They
also
demonstrate
excellent
reusability
over
multiple
absorption‐release
cycles,
thanks
enhanced
ability.
Furthermore,
study
presents
hierarchical
fabrication
strategy
that
synergistically
integrates
molecular,
nano‐,
microscale
designs
reinforce
functionalize
engineering
