Intrinsically
stretchable
electronics
represent
an
attractive
platform
for
next-generation
implantable
devices
by
reducing
the
mechanical
mismatch
and
immune
responses
with
biological
tissues.
Despite
extensive
efforts,
soft
electronic
often
exhibit
obvious
trade-off
between
performances
deformability
because
of
limitations
commonly
used
compliant
materials.
Here,
we
introduce
a
scalable
approach
to
create
intrinsically
featuring
deployment
liquid
metal
components
ultrahigh
stretchability
up
400%
tensile
strain
excellent
durability
against
repetitive
deformations.
The
device
architecture
further
shows
long-term
stability
under
physiological
conditions,
conformal
attachments
internal
organs,
low
interfacial
impedance.
Successful
electrophysiological
mapping
on
rapidly
beating
hearts
demonstrates
potential
widespread
applications
in
health
monitoring,
disease
diagnosis,
medical
therapies.
Current Opinion in Neurobiology,
Год журнала:
2018,
Номер
50, С. 92 - 100
Опубликована: Фев. 13, 2018
Electrophysiological
methods
are
the
gold
standard
in
neuroscience
because
they
reveal
activity
of
individual
neurons
at
high
temporal
resolution
and
arbitrary
brain
locations.
Microelectrode
arrays
based
on
complementary
metal-oxide
semiconductor
(CMOS)
technology,
such
as
Neuropixels
probes,
look
set
to
transform
these
methods.
probes
provide
∼1000
recording
sites
an
extremely
narrow
shank,
with
on-board
amplification,
digitization,
multiplexing.
They
deliver
low-noise
recordings
from
hundreds
neurons,
providing
a
step
change
type
data
available
neuroscientists.
Here
we
discuss
opportunities
afforded
by
for
large-scale
electrophysiology,
challenges
associated
processing
anatomical
localization,
avenues
further
improvements
technology.
Chemical Reviews,
Год журнала:
2021,
Номер
121(4), С. 2109 - 2146
Опубликована: Янв. 18, 2021
Biocompatible
conductors
are
important
components
for
soft
and
stretchable
bioelectronics
digital
healthcare,
which
have
attracted
extensive
research
efforts.
Natural
biopolymers,
compared
to
other
polymers,
possess
unique
features
that
make
them
promising
building
blocks
biocompatible
conductors,
such
as
good
biocompatibility/biodegradability,
natural
abundance,
sustainability,
capability,
can
be
processed
into
various
functional
formats
with
tunable
material
properties
under
benign
conditions.
In
this
comprehensive
review,
we
focus
on
the
recent
advances
in
based
biopolymers
bioelectronics.
We
first
give
a
brief
introduction
of
conductive
polymers
summarize
development
representative
including
protein
(silk),
polypeptide
(gelatin),
polysaccharide
(alginate).
The
design
fabrication
strategies
these
outlined,
after
chemical
structure
presented.
Then
discuss
electronic
component-biopolymer
interface
bioelectronic-biological
tissue
(skin
internal
tissues)
interface,
highlight
techniques
bioelectronics,
introduce
examples
utilizing
biopolymer-based
on-skin
textile-based
wearable
electronics,
implantable
healthcare.
Finally,
present
concluding
remarks
challenges
prospects
designing
Advanced Materials,
Год журнала:
2018,
Номер
30(44)
Опубликована: Июль 18, 2018
Abstract
The
organic
electrochemical
transistor
(OECT)
is
a
device
capable
of
simultaneously
controlling
the
flow
electronic
and
ionic
currents.
This
unique
feature
renders
OECT
perfect
technology
to
interface
man‐made
electronics,
where
signals
are
conveyed
by
electrons,
with
world
living,
information
exchange
relies
on
chemical
signals.
function
controlled
properties
its
core
component,
an
conductor.
Its
structure
interactions
electrolyte
molecules
at
nanoscale
play
key
role
in
regulating
operation
performance.
Herein,
latest
research
progress
design
active
materials
for
OECTs
reviewed.
Particular
focus
given
conducting
polymers
whose
lead
advances
understanding
working
mechanism
improving
biological
systems
bioelectronics.
methods
models
that
developed
elucidate
relations
between
polymer
films
discussed.
Finally,
requirements
vivo
applications
briefly
outlined.
outcomes
represent
important
step
toward
integration
components
record
modulate
their
functions.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(9), С. 2992 - 3034
Опубликована: Янв. 1, 2023
The
flourishing
development
of
flexible
healthcare
sensing
systems
is
inseparable
from
the
fundamental
materials
with
application-oriented
mechanical
and
electrical
properties.
Thanks
to
continuous
inspiration
our
Mother
Nature,
hydrogels
originating
natural
biomass
are
attracting
growing
attention
for
their
structural
functional
designs
owing
unique
chemical,
physical
biological
These
highly
efficient
architectural
enable
them
be
most
promising
candidates
electronic
devices.
This
comprehensive
review
focuses
on
recent
advances
in
naturally
sourced
constructing
multi-functional
sensors
applications
thereof.
We
first
briefly
introduce
representative
polymers,
including
polysaccharides,
proteins,
polypeptides,
summarize
physicochemical
design
principles
fabrication
strategies
hydrogel
based
these
polymers
outlined
after
material
properties
required
presented.
then
highlight
various
techniques
devices,
illustrate
examples
wearable
or
implantable
bioelectronics
pressure,
strain,
temperature,
biomarker
field
systems.
Finally,
concluding
remarks
challenges
prospects
hydrogel-based
provided.
hope
that
this
will
provide
valuable
information
next-generation
build
a
bridge
between
as
matter
an
applied
target
accelerate
new
near
future.
Advanced Materials,
Год журнала:
2022,
Номер
34(12)
Опубликована: Янв. 22, 2022
Conducting
hydrogels
have
attracted
much
attention
for
the
emerging
field
of
hydrogel
bioelectronics,
especially
poly(3,4-ethylenedioxythiophene):
poly(styrene
sulfonate)
(PEDOT:PSS)
based
hydrogels,
because
their
great
biocompatibility
and
stability.
However,
electrical
conductivities
are
often
lower
than
1
S
cm-1
which
not
suitable
digital
circuits
or
applications
in
bioelectronics.
Introducing
conductive
inorganic
fillers
into
can
improve
conductivities.
it
may
lead
to
compromises
compliance,
biocompatibility,
deformability,
biodegradability,
etc.
Herein,
a
series
highly
ionic
liquid
(IL)
doped
PEDOT:PSS
without
any
is
reported.
These
exhibit
high
up
≈305
,
≈8
times
higher
record
polymeric
literature.
The
conductivity
results
enhanced
areal
thermoelectric
output
power
hydrogel-based
devices,
specific
electromagnetic
interference
(EMI)
shielding
efficiency
about
an
order
magnitude
that
state-of-the-art
Furthermore,
these
stretchable
(strain
>30%)
fast
self-healing,
shape/size-tunable
properties,
desirable
bioelectronics
wearable
organic
devices.
indicate
promising
such
as
sensing,
thermoelectrics,
EMI
shielding,
