Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: Nov. 19, 2021
Abstract
Magnetoelastic
effect
characterizes
the
change
of
materials’
magnetic
properties
under
mechanical
deformation,
which
is
conventionally
observed
in
some
rigid
metals
or
metal
alloys.
Here
we
show
magnetoelastic
can
also
exist
1D
soft
fibers
with
stronger
magnetomechanical
coupling
than
that
traditional
counterparts.
This
explained
by
a
wavy
chain
model
based
on
dipole-dipole
interaction
and
demagnetizing
factor.
To
facilitate
practical
applications,
further
invented
textile
generator
(MEG),
weaving
conductive
yarns
to
couple
induction,
paves
new
way
for
biomechanical-to-electrical
energy
conversion
short-circuit
current
density
0.63
mA
cm
−2
,
internal
impedance
180
Ω,
intrinsic
waterproofness.
Textile
MEG
was
demonstrated
convert
arterial
pulse
into
electrical
signals
low
detection
limit
0.05
kPa,
even
heavy
perspiration
underwater
situations
without
encapsulations.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
122(3), P. 3259 - 3291
Published: Dec. 23, 2021
Traditional
public
health
systems
are
suffering
from
limited,
delayed,
and
inefficient
medical
services,
especially
when
confronted
with
the
pandemic
aging
population.
Fusing
traditional
textiles
diagnostic,
therapeutic,
protective
devices
can
unlock
electronic
(e-textiles)
as
point-of-care
platform
technologies
on
human
body,
continuously
monitoring
vital
signs
implementing
round-the-clock
treatment
protocols
in
close
proximity
to
patient.
This
review
comprehensively
summarizes
research
advances
e-textiles
for
wearable
systems.
We
start
a
brief
introduction
emphasize
significance
of
current
healthcare
system.
Then,
we
describe
textile
sensors
diagnosis,
therapeutic
treatment,
prevention,
by
highlighting
their
working
mechanisms,
representative
materials,
clinical
application
scenarios.
Afterward,
detail
e-textiles'
connection
gateway
real-time
data
transmission
processing
context
5G
Internet
Things.
Finally,
provide
new
insights
into
remaining
challenges
future
directions
field
e-textiles.
Fueled
chemistry
materials
science,
textile-based
diagnostic
devices,
communication
units
expected
interact
synergistically
construct
intelligent,
platforms,
ultimately
illuminating
system
Things
era.
Science Advances,
Journal Year:
2020,
Volume and Issue:
6(40)
Published: Sept. 30, 2020
Wireless
wearable
sweat
biosensors
have
gained
huge
traction
due
to
their
potential
for
noninvasive
health
monitoring.
As
high
energy
consumption
is
a
crucial
challenge
in
this
field,
efficient
harvesting
from
human
motion
represents
an
attractive
approach
sustainably
power
future
wearables.
Despite
intensive
research
activities,
most
harvesters
suffer
complex
fabrication
procedures,
poor
robustness,
and
low
density,
making
them
unsuitable
continuous
biosensing.
Here,
we
propose
highly
robust,
mass-producible,
battery-free
platform
that
efficiently
extracts
body
through
flexible
printed
circuit
board
(FPCB)-based
freestanding
triboelectric
nanogenerator
(FTENG).
The
judiciously
engineered
FTENG
displays
output
of
~416
mW
m-2
Through
seamless
system
integration
management,
demonstrate
triboelectrically
driven
able
multiplexed
wirelessly
transmit
data
the
user
interfaces
Bluetooth
during
on-body
trials.
Advanced Materials,
Journal Year:
2021,
Volume and Issue:
33(35)
Published: July 8, 2021
Abstract
In
mammals,
physiological
respiration
involves
respiratory
cycles
of
inhaled
and
exhaled
breaths,
which
has
traditionally
been
an
underutilized
resource
potentially
encompassing
a
wealth
physiologically
relevant
information
as
well
clues
to
potential
diseases.
Recently,
triboelectric
nanogenerators
(TENGs)
have
widely
adopted
for
self‐powered
monitoring
owing
their
compelling
features,
such
decent
biocompatibility,
wearing
comfort,
low‐cost,
high
sensitivity
activities
in
the
aspect
low
frequency
slight
amplitude
body
motions.
Physiological
behaviors
chemical
regents
can
be
precisely
continuously
monitored
by
TENG‐based
sensors
personalized
health
care.
This
article
presents
overview
TENG
enabled
monitoring,
with
focus
on
working
principle,
sensing
materials,
functional
structures,
related
applications
both
physical
motion
detection
breath
analysis.
Concepts
approaches
acquisition
associated
rate
depth
are
covered
first
part.
Then
mechanism,
theoretical
modeling,
chemicals
released
from
breathing
gases
systemically
summarized.
Finally,
opportunities
challenges
effect
comprehensively
discussed
criticized.
EcoMat,
Journal Year:
2020,
Volume and Issue:
2(4)
Published: Oct. 22, 2020
Abstract
For
the
development
of
internet
things
(IoTs),
big
data,
and
artificial
intelligence,
widely
distributed
sensing
network
is
most
essential
element,
which
has
to
be
driven
by
energy
storage
unit,
with
a
limited
lifetime
environmental
concerns.
Given
that
wide
distribution
high
mobility
these
numerous
sensors,
success
IoTs
sustainable
human
society
call
for
renewable
sources.
Since
triboelectrification
effect
ubiquitous
universal
in
our
living
environment,
triboelectric
nanogenerator
(TENG)
mechanical
harvesting
self‐powered
developed
Wang
co‐workers
one
best
choices
this
new
era.
In
review,
recent
progress
TENGs
from
fundamental
theory
practical
applications
systematically
summarized.
First,
mechanism
contact
electrification,
first
principle
theory,
working
principle,
modes,
figure
merits
TENG
are
introduced.
Furthermore,
important
four
major
applications,
including
micro/nano
power
sources,
active
large‐scale
blue
energy,
direct
high‐voltage
sources
reviewed.
end,
some
perspectives
challenges
future
also
discussed.
image
ACS Nano,
Journal Year:
2020,
Volume and Issue:
14(5), P. 6067 - 6075
Published: April 9, 2020
Fossil
fuel
internal
combustion
engines
generate
and
release
a
huge
amount
of
nitrogen
dioxide,
leading
to
respiratory
allergic
diseases
such
as
asthma,
pneumonia,
possibly
tuberculosis.
Here
we
develop
an
alveolus-inspired
membrane
sensor
(AIMS)
for
self-powered
wearable
dioxide
detection
personal
physiological
assessment.
The
bionic
AIMS
exhibits
excellent
sensitivity
up
452.44%,
good
linearity
0.976,
superior
selectivity
under
NO2
concentration
50
ppm.
Furthermore,
the
can
also
be
employed
diagnose
human
breath
behaviors
analysis.
fundamental
sensing
mechanism
is
established
using
combination
thermodynamic
analysis,
finite-element
phase-field
simulations.
It
found
that
depolarization
field
inside
sensitive
materials
plays
crucial
role
in
gas-sensing
performance.
This
work
not
only
provides
efficient,
low-cost,
portable,
environmentally
friendly
means
active
environmental
assessment
biomonitoring
but
deep
understanding
mechanisms.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
31(19)
Published: Feb. 5, 2021
Abstract
The
next‐generation
wearable
biosensors
with
highly
biocompatible,
stretchable,
and
robust
features
are
expected
to
enable
the
change
of
current
reactive
disease‐centric
healthcare
system
a
personalized
model
focus
on
disease
prevention
health
promotion.
Herein,
muscle‐fiber‐inspired
nonwoven
piezoelectric
textile
tunable
mechanical
properties
for
physiological
monitoring
is
developed.
To
mimic
muscle
fibers,
polydopamine
(PDA)
dispersed
into
electrospun
barium
titanate/polyvinylidene
fluoride
(BTO/PVDF)
nanofibers
enhance
interfacial‐adhesion,
strength,
properties.
Such
improvements
both
experimentally
observed
via
characterization
theoretically
verified
by
phase‐field
simulation.
Taking
PDA@BTO/PVDF
as
building
blocks,
light‐weight
fabricated,
which
hold
an
outstanding
sensitivity
(3.95
V
N
−1
)
long‐term
stability
(<3%
decline
after
7,400
cycles).
demonstrates
multiple
potential
applications,
including
pulse
wave
measurement,
human
motion
monitoring,
active
voice
recognition.
By
creatively
mimicking
this
work
paves
cost‐effective
way
develop
high‐performance
self‐powered
bioelectronics
healthcare.
