Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: July 18, 2023
Conductive
hydrogels
require
tunable
mechanical
properties,
high
conductivity
and
complicated
3D
structures
for
advanced
functionality
in
(bio)applications.
Here,
we
report
a
straightforward
strategy
to
construct
conductive
by
programable
printing
of
aqueous
inks
rich
poly(3,4-ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS)
inside
oil.
In
this
liquid-in-liquid
method,
assemblies
PEDOT:PSS
colloidal
particles
originating
from
the
phase
polydimethylsiloxane
surfactants
other
form
an
elastic
film
at
liquid-liquid
interface,
allowing
trapping
hydrogel
precursor
designed
nonequilibrium
shapes
subsequent
gelation
and/or
chemical
cross-linking.
Conductivities
up
301
S
m-1
are
achieved
low
content
9
mg
mL-1
two
interpenetrating
networks.
The
effortless
printability
enables
us
tune
hydrogels'
components
thus
facilitating
use
these
as
electromicrofluidic
devices
customize
near-field
communication
(NFC)
implantable
biochips
future.
ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(6), P. 5211 - 5295
Published: March 9, 2023
Humans
rely
increasingly
on
sensors
to
address
grand
challenges
and
improve
quality
of
life
in
the
era
digitalization
big
data.
For
ubiquitous
sensing,
flexible
are
developed
overcome
limitations
conventional
rigid
counterparts.
Despite
rapid
advancement
bench-side
research
over
last
decade,
market
adoption
remains
limited.
To
ease
expedite
their
deployment,
here,
we
identify
bottlenecks
hindering
maturation
propose
promising
solutions.
We
first
analyze
achieving
satisfactory
sensing
performance
for
real-world
applications
then
summarize
issues
compatible
sensor-biology
interfaces,
followed
by
brief
discussions
powering
connecting
sensor
networks.
Issues
en
route
commercialization
sustainable
growth
sector
also
analyzed,
highlighting
environmental
concerns
emphasizing
nontechnical
such
as
business,
regulatory,
ethical
considerations.
Additionally,
look
at
future
intelligent
sensors.
In
proposing
a
comprehensive
roadmap,
hope
steer
efforts
towards
common
goals
guide
coordinated
development
strategies
from
disparate
communities.
Through
collaborative
efforts,
scientific
breakthroughs
can
be
made
sooner
capitalized
betterment
humanity.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
34(16)
Published: Dec. 12, 2021
Abstract
Medical
robots
are
invaluable
players
in
non‐pharmaceutical
treatment
of
disabilities.
Particularly,
using
prosthetic
and
rehabilitation
devices
with
human–machine
interfaces
can
greatly
improve
the
quality
life
for
impaired
patients.
In
recent
years,
flexible
electronic
soft
robotics
have
attracted
tremendous
attention
this
field
due
to
their
high
biocompatibility,
functionality,
conformability,
low‐cost.
Flexible
on
will
make
a
promising
alternative
conventional
rigid
devices,
which
potentially
revolutionize
paradigm
future
direction
medical
terms
feedback
user
experience.
review,
fundamental
components
materials,
structures,
mechanisms
human‐machine
summarized
by
renowned
applications
five
primary
areas:
physical
chemical
sensing,
physiological
recording,
information
processing
communication,
robotic
actuation,
stimulation.
This
review
further
concludes
discussing
outlook
current
challenges
these
technologies
as
interface
robotics.
Science Advances,
Journal Year:
2020,
Volume and Issue:
6(26)
Published: June 24, 2020
Early
processing
of
visual
information
takes
place
in
the
human
retina.
Mimicking
neurobiological
structures
and
functionalities
retina
provides
a
promising
pathway
to
achieving
vision
sensor
with
highly
efficient
image
processing.
Here,
we
demonstrate
prototype
that
operates
via
gate-tunable
positive
negative
photoresponses
van
der
Waals
(vdW)
vertical
heterostructures.
The
emulates
not
only
bipolar
cells
photoreceptors
but
also
unique
connectivity
between
photoreceptors.
By
tuning
gate
voltage
for
each
pixel,
achieve
reconfigurable
simultaneous
sensing
Furthermore,
our
itself
can
be
trained
classify
input
images
by
updating
voltages
applied
individually
pixel
sensor.
Our
work
indicates
vdW
heterostructures
offer
platform
development
neural
network
Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: April 20, 2020
Memristive
devices
are
promising
candidates
to
emulate
biological
computing.
However,
the
typical
switching
voltages
(0.2-2
V)
in
previously
described
much
higher
than
amplitude
counterparts.
Here
we
demonstrate
a
type
of
diffusive
memristor,
fabricated
from
protein
nanowires
harvested
bacterium
Geobacter
sulfurreducens,
that
functions
at
40-100
mV.
function
is
possible
because
catalyze
metallization.
Artificial
neurons
built
these
memristors
not
only
action
potentials
(e.g.,
100
mV,
1
ms)
but
also
exhibit
temporal
integration
close
neurons.
The
potential
using
memristor
directly
process
biosensing
signals
demonstrated.
