Transparent cellulose-lignin films containing Fe3+ with high UV absorption for thermal management
Xin Fu,
No information about this author
Jianmin Peng,
No information about this author
Xueren Qian
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
294, P. 139475 - 139475
Published: Jan. 5, 2025
Language: Английский
Thermally Responsive Hydroxypropyl Cellulose/Polyacrylamide Hydrogel with Programmable and Reversible Adhesion
Yumin Wang,
No information about this author
Lide Xu,
No information about this author
Xiao Miao
No information about this author
et al.
ACS Applied Polymer Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
The
development
of
adhesives
with
switchable
and
programmable
adhesion
in
both
air
water
environments
is
highly
desirable
but
still
difficult
to
realize.
Here,
we
have
developed
a
smart
hydrogel
reversible
behavior
under
thermal
stimuli
by
introducing
thermally
responsive
hydroxypropyl
cellulose
(HPC)
polymer
unit
into
the
network.
By
alternately
lowering
raising
temperature
hydrogel,
transition
from
sticky
nonsticky
state
was
achieved
environments,
wide
switching
range
between
high
low
adhesion,
fast
speed,
durable
efficiency.
Accurate
fine
control
dry
wet
strength
can
also
be
changing
hydrogel.
In
addition
performance,
surface
wettability,
mechanical
properties,
optical
transmission
adapt
programmed
switched
response
change.
exploiting
its
capacity,
demonstrated
as
gripper
for
controllable
capture
release
objects
underwater
environments.
This
study
opens
path
design
adhesives,
materials,
devices.
Language: Английский
In Situ Formation of Ion‐Clusters on Liquid Metals Surface for Simultaneously Improving Adhesive Toughness and Conductivity Toward Epidermal Electrodes
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Abstract
Developing
epidermal
electrodes
that
possess
mechanic
softness,
tough
adhesion,
and
high
conductivity
simultaneously
is
important
but
still
remains
challenging.
Here,
polyvinylpyrrolidone
(PVP)
introduced
into
poly(α‐thioctic
acid)
(PTA)
to
in
situ
generate
ion‐clusters
both
PTA
network
on
liquid
metal
particles
(LMPs)
surface,
enhancing
the
mechanical
strength
toughness
of
PTA,
as
well
its
interfacial
interaction
with
LMPs.
As
a
result,
poly(TA‐PVP)‐LMPs
(noted
PTPL)
electrode
reported
softness
(Young's
modulus
175.86
kPa),
adhesion
(1604
J
m
−2
),
stretchability
(>20
000%),
rapid
self‐healing,
good
biocompatibility.
And
attributed
peel
sintering
LMPs,
PTPL
further
exhibit
electrical
(26.19
mΩ
sq
−1
)
low
skin
impedance,
providing
signal‐to‐noise
ratios
(SNR
28.07
dB)
accuracy
monitoring
multiple
human
electrophysiological
signals.
This
work
provides
new
strategy
for
balancing
self‐adhesion,
polymer
materials
fabrication.
Language: Английский
C-lignin-enabled multifunctional hydrogels for flexible wearable sensors
Qingru Shen,
No information about this author
Meizhen Xie,
No information about this author
Shuizhong Wang
No information about this author
et al.
International Journal of Biological Macromolecules,
Journal Year:
2025,
Volume and Issue:
309, P. 142903 - 142903
Published: April 8, 2025
Language: Английский
Polyphenol‐Mediated Multifunctional Human–Machine Interface Hydrogel Electrodes in Bioelectronics
Small Science,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: Nov. 21, 2024
Human-machine
interface
(HMI)
electrodes
enable
interactions
between
humans
and
bioelectronic
devices
by
facilitating
electrical
stimulation
recording
neural
activity.
However,
reconciling
the
soft,
hydrated
nature
of
living
human
tissues
with
rigid,
dry
properties
synthetic
electronic
systems
is
inherently
challenging.
Overcoming
these
significant
differences,
which
critical
for
developing
compatible,
effective,
stable
interfaces,
has
become
a
key
research
area
in
materials
science
technology.
Recently,
hydrogels
have
gained
prominence
use
HMI
because
are
similar
to
can
be
tuned
through
incorporation
nanofillers.
This
review
examines
functional
requirements
highlights
recent
progress
development
polyphenol-mediated
multifunctional
hydrogel-based
bioelectronics.
Furthermore,
aspects
such
as
mussel-inspired
adhesion,
underlying
mechanisms,
tissue-matching
mechanical
properties,
electrochemical
performance,
biocompatibility,
biofouling
resistance,
stability
under
physiological
conditions,
anti-inflammatory,
antioxidant
discussed.
Finally,
applications
bioelectronics
further
perspectives
outlined.
Advances
hydrogel
expected
facilitate
unprecedented
integration
biological
devices,
potentially
revolutionizing
various
biomedical
fields
enhancing
capabilities
performance
devices.
Language: Английский