Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(15)
Published: Feb. 12, 2022
Reactive
oxygen
species
(ROS)
production
efficiencies
of
the
nanocatalysts
are
highly
desired
for
cancer
therapy,
but
currently
ROS
generation
efficiency
is
still
far
from
defecting
tumors.
Therefore,
improving
their
ability
desirable
therapy.
Herein,
inspired
by
electrostatic
preorganization
effect
during
catalysis
natural
protein
enzymes,
a
human
self-driven
catalysis-promoting
system,
TENG-CatSystem
developed,
to
improve
catalytic
The
mainly
composed
three
elements:
triboelectric
nanogenerator
(TENG)
as
electric
field
stimulator
provide
pulses
with
high
biosafety,
nanozyme
comprising
1D
ferriporphyrin
covalent
organic
framework
coated
on
carbon
nanotube
(COF-CNT)
generate
ROS,
and
COF-CNT-embedded
conductive
hydrogel
that
can
be
injected
into
tumor
tissues
increase
local
accumulation
COF-CNT
decrease
electrical
impedances
tissues.
Under
self-generated
provided
wearable
TENG,
peroxidase-like
activity
fourfold
higher
than
without
an
field.
Highly
malignant
4T1
breast
carcinoma
in
mice
significantly
suppressed
using
TENG-CatSystem.
not
only
demonstrates
improved
also
offers
new
therapeutic
mode
at-home
Advanced Science,
Journal Year:
2022,
Volume and Issue:
10(6)
Published: Dec. 23, 2022
Stretchable
hydrogel-based
strain
sensors
suffer
from
limited
sensitivity,
which
urgently
requires
further
breakthroughs
for
precise
and
stable
human-computer
interaction.
Here,
an
efficient
microstructural
engineering
strategy
is
proposed
to
significantly
enhance
the
sensitivity
of
by
sandwiching
emulsion-polymerized
polyacrylamide
organohydrogel
microsphere
membrane
between
two
Ecoflex
films,
are
accompanied
crack
generation
propagation
effects
upon
stretching.
Consequently,
as-developed
sensor
exhibits
ultrahigh
(gauge
factor
(GF)
1275),
wide
detection
range
(100%
strain),
low
hysteresis,
ultralow
limit
(0.05%
good
fatigue
resistance,
fabrication
cost.
In
addition,
features
water,
dehydration,
frost
enabling
real-time
monitoring
in
various
complex
conditions
due
encapsulation
film
addition
glycerol
KCl.
Through
structural
manipulation,
device
achieves
superior
response
tiny
strains,
with
a
GF
value
98.3
less
than
1.5%.
Owing
high
sensing
performance,
able
detect
human
activities
swallowing
finger
bending
even
under
water.
On
this
basis,
wireless
system
apnea
warning
single-channel
gesture
recognition
capabilities
successfully
demonstrated,
demonstrating
its
great
promise
as
wearable
electronics.
