Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
26(1), P. 679 - 688
Published: Dec. 16, 2024
The
development
of
engineered
hydrogels
with
high
strength,
self-recovery,
and
adhesion
is
essential
for
applications
requiring
resistance
to
large
deformations
cyclic
loading.
Herein,
a
triple-network
(TN)
hydrogel
ultrahigh
compressive
strong
adhesion,
good
self-recovery
was
constructed
by
using
tannic
acid-modified
chrome
leather
scrap
hydrolysate
as
the
first
network,
polyacrylamide
second
poly-2-propenamide-2-methylpropanesulfonic
acid
third
network.
(70
MPa
strength
95%
compression
deformation)
TN
were
effectively
created,
which
attributed
synergy
three
networks.
display
(adhesion
>
20
kPa)
ascribed
introduction
phenolic
hydroxyl
groups
in
acid.
Intriguingly,
exhibit
excellent
performance
(93.6%
dissipated
energy
recovery
at
70
°C)
shape
memory
(restored
original
s).
These
properties
are
high-performance
promote
resource
utilization
waste.
SusMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 27, 2024
ABSTRACT
Flexible
sensors
exhibit
the
properties
of
excellent
shape
adaptability
and
deformation
ability,
which
have
been
applied
for
environmental
monitoring,
medical
diagnostics,
food
safety,
smart
systems,
human–computer
interaction.
Cellulose‐based
hydrogels
are
ideal
materials
fabrication
flexible
due
to
their
unique
three‐dimensional
structure,
renewability,
ease
processing,
biodegradability,
modifiability,
good
mechanical
properties.
This
paper
comprehensively
reviews
recent
advances
cellulose‐based
in
construction
sensor
applications.
The
characteristics,
mechanisms,
advantages
prepared
by
physical
cross‐linking,
chemical
cross‐linking
respectively
analyzed
summarized
detail.
focus
then
turns
research
development
hydrogel
sensors,
including
sensing
(pressure/strain,
humidity/temperature,
optical
sensing),
(chromium,
copper,
mercury
ion
sensing,
toxic
gas
nitrite
biosensing
(glucose,
antibody,
cellular
sensing).
Additionally,
limitations
along
with
key
challenges
future
directions,
discussed.
It
is
anticipated
that
this
review
will
furnish
invaluable
insight
advancement
novel
green,
facilitate
integration
as
a
fundamental
component
multifunctional
technologies,
thereby
expediting
design
innovative
near
future.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
Conductive
hydrogels
have
attracted
significant
attention
due
to
exceptional
flexibility,
electrochemical
property,
and
biocompatibility.
However,
the
low
mechanical
strength
can
compromise
their
stability
under
high
stress,
making
material
susceptible
fracture
in
complex
or
harsh
environments.
Achieving
a
balance
between
conductivity
robustness
remains
critical
challenge.
In
this
study,
super-robust
conductive
were
designed
developed
with
highly
oriented
structures
densified
networks,
by
employing
techniques
such
as
stretch-drying-induced
directional
assembly,
salting-out,
ionic
crosslinking.
The
showed
remarkable
property
(tensile
strength:
17.13-142.1
MPa;
toughness:
50
MJ
m-
3),
(30.1
S
m-1),
reliable
strain
sensing
performance.
Additionally,
it
applied
hydrogel
fabricate
biomimetic
electronic
skin
device,
significantly
improving
signal
quality
device
stability.
By
integrating
1D
convolutional
neural
network
algorithm,
further
real-time
recognition
system
based
on
triboelectric
piezoresistive
collection,
achieving
classification
accuracy
of
up
99.79%
across
eight
materials.
This
study
predicted
potential
high-performance
for
various
applications
flexible
smart
wearables,
Internet
Things,
bioelectronics,
bionic
robotics.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 10, 2024
Under
the
guidance
of
carbon
peaking
and
neutrality
goals,
urgency
for
green
ecological
construction
depletion
nonrenewable
resources
highlight
importance
research
development
sustainable
new
materials.
Cellulose
nanofiber
(CNF)
is
most
abundant
natural
nanoscale
building
block
widely
existing
on
Earth.
CNF
has
unique
intrinsic
physical
properties,
such
as
low
density,
coefficient
thermal
expansion,
high
strength,
modulus,
which
an
ideal
candidate
with
outstanding
potential
constructing
In
recent
years,
CNF-based
structural
material
emerged
a
lightweight
properties
very
different
from
traditional
Here,
to
comprehensively
introduce
assembly
materials
based
CNF,
it
starts
overview
forms
materials,
including
fibers,
films,
hydrogels,
aerogels,
Next,
challenges
that
need
be
overcome
in
preparing
are
discussed,
their
methods
introduced,
in-depth
analysis
advantages
hydrogel
strategy
fabricate
conducted.
Finally,
emerging
summarized
concluded
outlook
design
functionalization,
potentially
paving
way
toward
opportunities.
Small,
Journal Year:
2025,
Volume and Issue:
21(11)
Published: Feb. 11, 2025
Abstract
Ionogels
are
widely
studied
as
promising
ionic
thermoelectric
(i‐TE)
materials
to
harvest
low‐grade
waste
heat
into
electrical
energy
due
their
huge
thermopower
and
good
conductivity,
providing
a
feasible
way
sustainable
development.
Herein,
p‐type
i‐TE
cellulose
ionogel
(CIG)
based
on
Soret
effect
is
prepared
by
dissolving
in
an
liquid
(IL)
subsequent
water‐absorbing
induced
gelation.
Its
morphological
structure
IL
distribution
intuitively
investigated
through
cryo‐focused
ion
beam‐scanning
electron
microscope.
Experimental
characterizations
molecular
dynamic
simulation
studies
elucidate
that
the
regulation
of
water
content
induces
hydration
1‐butyl‐3‐methylimidazolium
cation
swelling
CIG,
which
greatly
promotes
ions
diffusion
expands
difference
mobility
between
anions
cations.
The
proposed
CIG
exhibits
superior
properties:
conductivity
51.2
mS
cm
−1
,
Seebeck
coefficient
20.7
mV
K
figure
merit
zT
i
2.36
at
30
°C,
respectively.
A
CIG‐based
device
designed
assembled
demonstrate
its
great
potential
for
wearable
body
heat‐to‐electricity
conversion.
skeleton
completely
biodegradable
nature
used
recyclable
reusable,
green
strategy
harvesting.
Gels,
Journal Year:
2025,
Volume and Issue:
11(3), P. 188 - 188
Published: March 8, 2025
Postoperative
adhesions
are
common
complications
following
surgery,
often
accompanied
by
pain
and
inflammation
that
significantly
diminish
patients’
quality
of
life.
Moreover,
managing
postoperative
incurs
substantial
cost,
imposing
a
considerable
financial
burden
on
both
patients
healthcare
systems.
Traditional
anti-adhesion
materials
confronted
with
limitations,
such
as
inadequate
tissue
adherence
in
moist
environment
poor
degradability,
underscoring
the
urgent
need
for
more
effective
solutions.
Recently,
polysaccharide-based
hydrogels
have
received
attention
their
potential
preventing
adhesions.
The
not
only
facilitate
wound
healing
but
also
effectively
reduce
inflammation,
providing
promising
approach
to
This
review
provides
an
extensive
analysis
progress
made
development
therapy.
It
highlights
principal
benefits,
outlines
future
research
trajectories,
addresses
ongoing
challenges
be
overcome.
