Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 8, 2025
Flexible
wearable
biosensors
have
emerged
as
a
promising
tool
for
tracking
dynamic
glycemic
profiles
of
human
body
in
diabetes
management.
However,
it
remains
challenge
to
balance
the
shrunken
device
space
and
multiple
redundant
sensing
arrays
further
advancement
miniaturization
multimodal
sensors.
Herein,
this
work
proposes
an
entirely
new
optoelectronic
hybrid
optical
fiber
sensor
which
is
composed
laser
patterning
polydimethylsiloxane
(PDMS)
form
laser-induced
graphene
(LIG)
interdigital
electrodes,
long
period
grating
(LPG)
prepared
from
microfiber
encapsulated
into
PDMS
modulated
by
periodical
structure
LIG
electrodes.
This
operation
can
simultaneously
integrate
two
heterogeneous
mechanisms,
electrical,
single
compact
manner.
Combining
electrode
with
conductive
hydrogel,
flexible
glucose
biosensor
based
on
electrical
mechanism
constructed
loading
oxidase
hydrogel.
Meanwhile,
LPG
also
be
served
spectroscopically
available
biomechanical
monitoring.
Optical
sensors
but
independently
each
other,
particularly
scene
wound
healing
rat
model
movement
exercise.
platform
represents
pivotal
step
toward
multifunctional
that
enable
measurements
information
glucose.
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
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Aug. 2, 2024
Abstract
Neural
wearables
can
enable
life-saving
drowsiness
and
health
monitoring
for
pilots
drivers.
While
existing
in-cabin
sensors
may
provide
alerts,
across
more
environments.
Current
neural
are
promising
but
most
require
wet-electrodes
bulky
electronics.
This
work
showcases
in-ear,
dry-electrode
earpieces
used
to
monitor
with
compact
hardware.
The
employed
system
integrates
additive-manufacturing
dry,
user-generic
earpieces,
wireless
electronics,
offline
classification
algorithms.
Thirty-five
hours
of
electrophysiological
data
were
recorded
nine
subjects
performing
drowsiness-inducing
tasks.
Three
classifier
models
trained
user-specific,
leave-one-trial-out,
leave-one-user-out
splits.
support-vector-machine
achieved
an
accuracy
93.2%
while
evaluating
users
it
has
seen
before
93.3%
when
a
never-before-seen
user.
These
results
demonstrate
wireless,
classify
comparable
accuracies
state-of-the-art,
wet
electrode
in-ear
scalp
systems.
Further,
this
illustrates
the
feasibility
population-trained
in
future
applications.
