Advanced Materials,
Год журнала:
2021,
Номер
33(26)
Опубликована: Май 25, 2021
Abstract
Flexible
and
stretchable
antennas
are
important
for
wireless
communication
using
wearable
implantable
devices
to
address
mechanical
mismatch
at
the
tissue–device
interface.
Emerging
technologies
of
liquid‐metal‐based
electronics
promising
approaches
improve
flexibility
stretchability
conventional
metal‐based
antennas.
However,
existing
methods
encapsulate
liquid
metals
require
monolithically
thick
(at
least
100
µm)
substrates,
resulting
limited
in
deformability
tissue‐adhesiveness.
To
overcome
this
limitation,
fabrication
microchannels
by
direct
ink
writing
on
a
7
µm‐thick
elastomeric
substrate
is
demonstrated,
obtain
metal
microfluidic
with
unprecedented
deformability.
The
fabricated
light‐emitting
device
powered
standard
near‐field‐communication
system
(13.56
MHz,
1
W)
retained
consistent
operation
under
deformations
including
stretching
(>200%
uniaxial
strain),
twisting
(180°
twist),
bending
(3.0
mm
radius
curvature)
while
maintaining
high
quality
factor
(
q
>
20).
Suture‐free
conformal
adhesion
polydopamine‐coated
ex
vivo
animal
tissues
also
demonstrated.
This
technology
offers
new
capability
design
biomedical
requiring
conformable
tissue‐device
integration
toward
minimally
invasive,
imperceptible
medical
treatments.
Biosensors,
Год журнала:
2020,
Номер
10(12), С. 205 - 205
Опубликована: Дек. 15, 2020
Recent
advances
in
lab-on-a-chip
technology
establish
solid
foundations
for
wearable
biosensors.
These
newly
emerging
biosensors
are
capable
of
non-invasive,
continuous
monitoring
by
miniaturization
electronics
and
integration
with
microfluidics.
The
advent
flexible
electronics,
biochemical
sensors,
soft
microfluidics,
pain-free
microneedles
have
created
new
generations
that
explore
brand-new
avenues
to
interface
the
human
epidermis
physiological
status.
However,
these
devices
relatively
underexplored
sports
analytics,
which
may
be
largely
facilitated
recent
emergence
characterized
real-time,
non-irritating
sensing
capacities.
Here,
we
present
a
systematic
review
biosensing
technologies
focus
on
materials
fabrication
strategies,
sampling
modalities,
as
well
key
analytes
platforms
healthcare
an
emphasis
sweat
interstitial
fluid
biosensing.
This
concludes
summary
unresolved
challenges
opportunities
future
researchers
interested
technologies.
With
in-depth
understanding
state-of-the-art
technologies,
analytics
would
significant
impact
rapidly
growing
field—microfluidics
Advanced Functional Materials,
Год журнала:
2019,
Номер
30(29)
Опубликована: Ноя. 29, 2019
Abstract
Bidirectional
interfacing
between
electrodes
and
biological
systems
has
enabled
diagnostics
therapeutics
in
modern
medicine;
however,
the
inherent
dissimilarity
soft,
ion‐rich,
dynamic
tissues
rigid,
dry,
static
electronic
hinders
establishment
of
effective
reliable
bioelectronic
interfaces.
In
past
decade,
scope
flexible/stretchable
electronics
been
broadened
into
bioelectronics
owing
to
need
implementation
various
biocompatible
soft
conductors.
Herein,
basic
requirements
for
construction
both
epidermal
implantable
interfaces
utilizing
materials
are
discussed,
most
recent
progress
development
conductors,
which
customized
interface
with
skin
other
tissues,
summarized.
An
outlook
remaining
obstacles
is
provided
possible
strategies
facilitate
technological
advances
also
outlined.
Advanced Materials,
Год журнала:
2021,
Номер
33(26)
Опубликована: Май 25, 2021
Abstract
Flexible
and
stretchable
antennas
are
important
for
wireless
communication
using
wearable
implantable
devices
to
address
mechanical
mismatch
at
the
tissue–device
interface.
Emerging
technologies
of
liquid‐metal‐based
electronics
promising
approaches
improve
flexibility
stretchability
conventional
metal‐based
antennas.
However,
existing
methods
encapsulate
liquid
metals
require
monolithically
thick
(at
least
100
µm)
substrates,
resulting
limited
in
deformability
tissue‐adhesiveness.
To
overcome
this
limitation,
fabrication
microchannels
by
direct
ink
writing
on
a
7
µm‐thick
elastomeric
substrate
is
demonstrated,
obtain
metal
microfluidic
with
unprecedented
deformability.
The
fabricated
light‐emitting
device
powered
standard
near‐field‐communication
system
(13.56
MHz,
1
W)
retained
consistent
operation
under
deformations
including
stretching
(>200%
uniaxial
strain),
twisting
(180°
twist),
bending
(3.0
mm
radius
curvature)
while
maintaining
high
quality
factor
(
q
>
20).
Suture‐free
conformal
adhesion
polydopamine‐coated
ex
vivo
animal
tissues
also
demonstrated.
This
technology
offers
new
capability
design
biomedical
requiring
conformable
tissue‐device
integration
toward
minimally
invasive,
imperceptible
medical
treatments.
