ACS Nano,
Journal Year:
2021,
Volume and Issue:
15(12), P. 19054 - 19069
Published: July 26, 2021
The
increasing
population
of
the
elderly
and
motion-impaired
people
brings
a
huge
challenge
to
our
social
system.
However,
walking
stick
as
their
essential
tool
has
rarely
been
investigated
into
its
potential
capabilities
beyond
basic
physical
support,
such
activity
monitoring,
tracing,
accident
alert.
Here,
we
report
powered
by
ultra-low-frequency
human
motion
equipped
with
deep-learning-enabled
advanced
sensing
features
provide
healthcare-monitoring
platform
for
users.
A
linear-to-rotary
structure
is
designed
achieve
highly
efficient
energy
harvesting
from
linear
ultralow
frequency.
Besides,
two
kinds
self-powered
triboelectric
sensors
are
proposed
integrated
extract
stick.
Augmented
functionalities
high
accuracies
have
enabled
deep-learning-based
data
analysis,
including
identity
recognition,
disability
evaluation,
status
distinguishing.
Furthermore,
self-sustainable
Internet
Things
(IoT)
system
global
positioning
tracing
environmental
temperature
humidity
amenity
functions
obtained.
Combined
aforementioned
functionalities,
this
demonstrated
in
various
usage
scenarios
caregiver
real-time
well-being
monitoring.
caregiving
shows
being
an
intelligent
aid
users
help
them
live
life
adequate
autonomy
safety.
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.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Sept. 10, 2021
Sign
language
recognition,
especially
the
sentence
is
of
great
significance
for
lowering
communication
barrier
between
hearing/speech
impaired
and
non-signers.
The
general
glove
solutions,
which
are
employed
to
detect
motions
our
dexterous
hands,
only
achieve
recognizing
discrete
single
gestures
(i.e.,
numbers,
letters,
or
words)
instead
sentences,
far
from
satisfying
meet
signers'
daily
communication.
Here,
we
propose
an
artificial
intelligence
enabled
sign
recognition
system
comprising
sensing
gloves,
deep
learning
block,
virtual
reality
interface.
Non-segmentation
segmentation
assisted
model
achieves
50
words
20
sentences.
Significantly,
approach
splits
entire
signals
into
word
units.
Then
recognizes
all
elements
reversely
reconstructs
Furthermore,
new/never-seen
sentences
created
by
new-order
recombination
can
be
recognized
with
average
correct
rate
86.67%.
Finally,
results
projected
space
translated
text
audio,
allowing
remote
bidirectional
signers
Advanced Healthcare Materials,
Journal Year:
2021,
Volume and Issue:
10(17)
Published: May 6, 2021
Abstract
Cardiovascular
diseases
account
for
the
highest
mortality
globally,
but
recent
advances
in
wearable
technologies
may
potentially
change
how
these
illnesses
are
diagnosed
and
managed.
In
particular,
continuous
monitoring
of
cardiovascular
vital
signs
early
intervention
is
highly
desired.
To
this
end,
flexible
sensors
that
can
be
comfortably
worn
over
long
durations
gaining
significant
attention.
review,
advanced
signals
outlined
discussed.
Specifically,
functional
materials,
configurations,
mechanisms,
heart
rate,
blood
pressure,
oxygen
saturation,
glucose
highlighted.
Different
mechanisms
bioelectric,
mechano‐electric,
optoelectric,
ultrasonic
presented
to
monitor
from
different
body
locations.
Present
challenges,
possible
strategies,
future
directions
also
With
rapid
development,
will
applicable
both
medical
diagnosis
daily
healthcare
use
tackling
diseases.
Chemical Society Reviews,
Journal Year:
2022,
Volume and Issue:
51(9), P. 3380 - 3435
Published: Jan. 1, 2022
Piezoelectric
nanogenerators
are
becoming
a
compelling
bioelectronics
platform
technology
for
human-associated
energy
harvesting,
self-powered
sensing,
and
therapeutics,
which
will
largely
contribute
to
the
medical
field
in
era
of
Internet
things.
ACS Nano,
Journal Year:
2021,
Volume and Issue:
15(6), P. 9746 - 9758
Published: June 3, 2021
Flexible,
breathable,
and
degradable
pressure
sensors
with
excellent
sensing
performance
are
drawing
tremendous
attention
for
various
practical
applications
in
wearable
artificial
skins,
healthcare
monitoring,
intelligence
due
to
their
flexibility,
breathability,
lightweight,
decreased
electronic
rubbish,
environmentally
friendly
impact.
However,
traditional
plastic
or
elastomer
substrates
impermeability,
uncomfortableness,
mechanical
mismatches,
nondegradability
greatly
restricted
applications.
Therefore,
the
fabrication
of
such
high
facile
degradability,
breathability
is
still
a
critical
challenge
highly
desired.
Herein,
we
present
wearable,
degradable,
sensitive
MXene/protein
nanocomposites-based
sensor.
The
fabricated
MXene/protein-based
sensor
assembled
from
breathable
conductive
MXene
coated
silk
fibroin
nanofiber
(MXene-SF)
membrane
patterned
ink-printed
(MXene
ink-SF)
interdigitated
electrode,
which
can
serve
as
layer
electrode
layer,
respectively.
exhibits
wide
range
(up
39.3
kPa),
sensitivity
(298.4
kPa-1
1.4-15.7
kPa;
171.9
15.7-39.3
fast
response/recovery
time
(7/16
ms),
reliable
cycling
stability
over
10
000
cycles,
good
biocompatibility,
robust
degradability.
Furthermore,
it
shows
great
monitoring
human
psychological
signals,
acting
an
skin
quantitative
illustration
distribution,
wireless
biomonitoring
real
time.
Considering
biodegradable
features,
may
become
promising
find
potential
smart
motion
detection,
disease
diagnosis,
human-machine
interaction.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(9), P. 2992 - 3034
Published: Jan. 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.