Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 6, 2024
Abstract
Wearable
sensors
for
continuous
monitoring
of
biomarkers
in
body
fluids
have
gained
significant
attention
their
potential
disease
diagnostics
and
health
management,
but
lack
sustainable
power
supply
advanced
sensing
strategies.
Herein,
sweat
wearable
biofuel
cells
(w‐BFCs)
based
on
metal
hydrogels
are
demonstrated
with
high
output
outstanding
stability,
which
harvest
energy
directly
from
human
simultaneously
enable
self‐powered
epidermal
biomarkers.
Experimental
computational
results
elucidate
that
the
highly
porous
flexible
exhibit
superior
electrocatalytic
capabilities
oxidizing
ascorbic
acid
(AA),
a
metabolite
at
anode,
reducing
O
2
cathode.
Consequently,
assembled
AA/O
BFC
delivers
stable
output,
maximum
density
35
µW
cm
−2
an
ultralow
AA
concentration
long‐term
stability
over
30
days,
self‐powered,
sensitive
detection.
When
applied
to
skin
volunteers,
this
integrated
w‐BFC
powers
biosensor
using
as
fuel
allowing
real‐time
signal
via
smartphone.
This
work
not
only
advances
harvesting
also
paves
new
avenues
real‐time,
online
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Portable
sensor
technologies
are
indispensable
in
personalized
healthcare
and
environmental
monitoring
as
they
enable
the
continuous
tracking
of
key
analytes.
Human
sweat
contains
valuable
physiological
information,
previously
developed
noninvasive
sweat-based
sensors
have
effectively
monitored
single
or
multiple
biomarkers.
By
successfully
detecting
biochemicals
sweat,
portable
could
also
significantly
broaden
their
application
scope,
encompassing
non-biological
fluids
commonly
encountered
daily
life,
such
mineral
water.
However,
developing
a
electrochemical
sensing
system
with
sustainable
power
remains
challenge
for
real-time,
on-site
analysis
complex
outdoor
applications.
Here,
we
present
power-sustainable
platform,
composed
sensors,
multichannel
data
acquisition
circuit,
microfluidic
module,
supply
that
is
designed
to
conform
onto
human
body
use.
The
device
enables
simultaneous
selective
measurement
Na
iScience,
Год журнала:
2025,
Номер
28(2), С. 111763 - 111763
Опубликована: Янв. 7, 2025
Recent
years
have
witnessed
tremendous
advances
in
wearable
sensors,
which
play
an
essential
role
personalized
healthcare
for
their
ability
real-time
sensing
and
detection
of
human
health
information.
Nanozymes,
capable
mimicking
the
functions
natural
enzymes
addressing
limitations,
possess
unique
advantages
such
as
structural
stability,
low
cost,
ease
mass
production,
making
them
particularly
beneficial
constructing
recognition
units
biosensors.
In
this
review,
we
aim
to
delineate
latest
advancements
nanozymes
development
biosensors,
focusing
on
key
developments
nanozyme
immobilization
strategies,
technologies,
biomedical
applications.
The
review
also
highlights
current
challenges
future
perspectives.
Ultimately,
it
aims
provide
insights
research
endeavors
rapidly
evolving
area.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 6, 2024
Abstract
Wearable
sensors
for
continuous
monitoring
of
biomarkers
in
body
fluids
have
gained
significant
attention
their
potential
disease
diagnostics
and
health
management,
but
lack
sustainable
power
supply
advanced
sensing
strategies.
Herein,
sweat
wearable
biofuel
cells
(w‐BFCs)
based
on
metal
hydrogels
are
demonstrated
with
high
output
outstanding
stability,
which
harvest
energy
directly
from
human
simultaneously
enable
self‐powered
epidermal
biomarkers.
Experimental
computational
results
elucidate
that
the
highly
porous
flexible
exhibit
superior
electrocatalytic
capabilities
oxidizing
ascorbic
acid
(AA),
a
metabolite
at
anode,
reducing
O
2
cathode.
Consequently,
assembled
AA/O
BFC
delivers
stable
output,
maximum
density
35
µW
cm
−2
an
ultralow
AA
concentration
long‐term
stability
over
30
days,
self‐powered,
sensitive
detection.
When
applied
to
skin
volunteers,
this
integrated
w‐BFC
powers
biosensor
using
as
fuel
allowing
real‐time
signal
via
smartphone.
This
work
not
only
advances
harvesting
also
paves
new
avenues
real‐time,
online
