Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 31, 2024
Abstract
The
rapid
development
of
the
Internet
Things
and
artificial
intelligence
technologies
has
increased
need
for
wearable,
portable,
self-powered
flexible
sensing
devices.
Triboelectric
nanogenerators
(TENGs)
based
on
gel
materials
(with
excellent
conductivity,
mechanical
tunability,
environmental
adaptability,
biocompatibility)
are
considered
an
advanced
approach
developing
a
new
generation
sensors.
This
review
comprehensively
summarizes
recent
advances
in
gel-based
TENGs
sensors,
covering
their
principles,
properties,
applications.
Based
requirements
working
mechanism
characteristic
advantages
gels
introduced.
Design
strategies
performance
optimization
hydrogel-,
organogel-,
aerogel-based
systematically
summarized.
In
addition,
applications
human
motion
sensing,
tactile
health
monitoring,
human–machine
interaction,
other
related
fields
Finally,
challenges
discussed,
feasible
proposed
to
guide
future
research.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(22)
Опубликована: Янв. 9, 2024
Abstract
Electronic
skin
(E‐skin)
that
can
mimic
the
flexibility
and
stretchability
of
human
with
sensing
capabilities,
holds
transformative
potential
in
robotics,
wearable
technology,
healthcare.
However,
developing
E‐skin
poses
significant
challenges
such
as
creating
durable
materials
skin‐like
flexibility,
integrating
biosensing
abilities,
using
advanced
fabrication
techniques
for
or
implantable
applications.
To
overcome
these
hurdles,
a
3D‐printed
electronic
utilizing
novel
class
nanoengineered
hydrogels
tunable
thermal
capabilities
is
fabricated.
This
methodology
takes
advantage
shear–thinning
behavior
hydrogel
precursors,
allowing
to
construct
intricate
2D
3D
structures.
The
elasticity
triple
crosslinking
robust
fungal
exopolysaccharide,
pullulan
simulated,
while
defect‐rich
molybdenum
disulfide
(MoS
2
)
nanoassemblies
ensure
high
electrical
conductivity.
addition
polydopamine
nanoparticles
enhances
adhesion
wet
tissue.
exhibits
outstanding
stretchability,
adhesion,
moldability,
A
distinctive
feature
this
technology
precise
detection
dynamic
changes
strain,
pressure,
temperature.
As
motion
tracker,
phonatory‐recognition
platform,
flexible
touchpad,
thermometer,
represents
breakthrough
skins
future
robotics
human‐machine
interfaces.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(36)
Опубликована: Апрель 27, 2024
Abstract
An
asymmetrical
wound
dressing
functions
akin
to
human
skin
by
serving
as
a
protective
barrier
between
and
its
immediate
environment.
However,
significant
challenges
persist
concerning
the
robust
adhesion
properties
of
hydrogels,
particularly
when
applied
in
emergency
hemostasis
healing
contexts.
Herein,
study
has
successfully
synthesized
hydrogel
patches
with
Janus
asymmetric‐adhesion,
denoted
HGO‐C,
exclusively
comprised
natural
polymers.
This
achievement
is
realized
through
assembly
adhesive
(HGO)
non‐adhesive
(CGC),
thereby
amalgamating
their
distinct
functionalities.
The
component
served
physical
shield
safeguarding
against
contamination,
while
hydrogel,
contacted
surface,
firmly
adhered
it,
swiftly
arresting
bleeding
facilitating
healing.
Cytocompatibility
tests,
hemolysis
antibacterial
assays,
coagulation
assays
demonstrated
excellent
biocompatibility,
antibacterial,
hemostatic
HGO‐C.
Finally,
vivo
experiments,
including
liver
hemorrhage
assay
assay,
unequivocally
showed
rapid
enhanced
capabilities
Consequently,
these
distinctive
patches,
derived
from
polymers
characterized
asymmetric
properties,
may
have
great
potential
for
real‐life
usage
clinical
patients.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 31, 2024
Abstract
The
rapid
development
of
the
Internet
Things
and
artificial
intelligence
technologies
has
increased
need
for
wearable,
portable,
self-powered
flexible
sensing
devices.
Triboelectric
nanogenerators
(TENGs)
based
on
gel
materials
(with
excellent
conductivity,
mechanical
tunability,
environmental
adaptability,
biocompatibility)
are
considered
an
advanced
approach
developing
a
new
generation
sensors.
This
review
comprehensively
summarizes
recent
advances
in
gel-based
TENGs
sensors,
covering
their
principles,
properties,
applications.
Based
requirements
working
mechanism
characteristic
advantages
gels
introduced.
Design
strategies
performance
optimization
hydrogel-,
organogel-,
aerogel-based
systematically
summarized.
In
addition,
applications
human
motion
sensing,
tactile
health
monitoring,
human–machine
interaction,
other
related
fields
Finally,
challenges
discussed,
feasible
proposed
to
guide
future
research.
