IEEE Transactions on Instrumentation and Measurement,
Journal Year:
2023,
Volume and Issue:
73, P. 1 - 10
Published: Dec. 1, 2023
In
this
study,
we
propose
a
novel
portable
wearable
cardiorespiratory
sensor
integrated
with
smartphone,
fabricated
from
plastic
optical
fiber
(POF)
and
polydimethylsiloxane
(PDMS)
material.
The
is
designed
for
comprehensive
monitoring,
enabling
accurate
measurement
of
respiratory
rate
(BR),
heart
(HR),
HR
variability
(HRV).
prototype
successfully
captures
heartbeat
signals
excellent
waveforms,
revealing
distinct
BR
peaks
in
the
frequency-domain
plot.
Our
measurements
show
an
average
difference
0.310
bpm
0.033
compared
to
reference
values.
Additionally,
performed
5-min
HRV
assessments
under
different
conditions,
yielding
mean
standard
deviations
normal
(SDNN)
52.87,
81.89,
49.41,
28.22
ms
control,
specific
breathing
pattern,
walking,
running
groups,
respectively.
demonstrates
its
potential
as
reliable
alternative
daily
monitoring
BR,
HR,
HRV,
offering
versatility
various
application
scenarios
high
safety
widespread
usability.
Materials,
Journal Year:
2023,
Volume and Issue:
16(4), P. 1433 - 1433
Published: Feb. 8, 2023
Smart
sensing
for
aeronautical
applications
is
a
multidisciplinary
process
that
involves
the
development
of
various
sensor
elements
and
advancements
in
nanomaterials
field.
The
expansion
research
has
fueled
commercial
military
aircrafts
Optical
technology
one
supporting
pillars
this,
as
well
fact
unique
high-tech
qualities
align
with
sustainability
criteria.
In
this
study,
investigation
airplane
monitoring
systems
employing
optical
technologies
based
on
fiber
are
incorporated
into
essential
presented.
This
manuscript
reports
multifunctional
integration
fibers
aircraft
sector
discussing
topics,
such
airframe
monitoring,
flight
environment
(from
temperature
humidity
to
pressure
sensing),
sensors
navigation
(such
gyroscopes
displacement
or
position
sensors),
pilot
vital
health
novel
aerospace
applications.
primary
objective
review
provide
researchers
direction
motivation
design
fabricate
future
industry,
actual
state
art
technology,
thereby
aiding
their
research.
ACS Photonics,
Journal Year:
2024,
Volume and Issue:
11(2), P. 613 - 625
Published: Feb. 7, 2024
The
flexible
wearable
sweat
sensor
that
enables
real-time
monitoring
and
noninvasive
sampling
is
emerging
as
a
new
focal
point
in
medical
healthcare.
It
represents
an
ideal
choice
for
analyzing
the
constituents
human
to
assess
individual
physiological
states
potential
related
diseases.
Here,
we
introduce
plasmonic
paper-based
microfluidic
device
based
on
surface-enhanced
Raman
spectroscopy
(SERS)
equipped
with
portable
spectrometer
continuous
situ
of
sweat.
Extensible
segmented
channels
regulate
fluid
flow
rates
rapid
signal
saturation.
We
validated
molecular
permeation
enrichment
capability
achieved
SERS
sensing
quantitative
analysis
uric
acid
concentration
pH
value.
Considering
complexity
wearing
environment
health
using
sensors,
investigated
mechanical
performance,
optical
accuracy,
long-term
stability,
biocompatibility
device,
demonstrating
outstanding
wearability
detection
biomarkers.
Additionally,
low
manufacturing
cost,
excellent
reproducibility
fingerprint
signals,
high
sensitivity
highlight
applicability
paper
analysis.
Therefore,
technology
provides
approach
detection,
disease
diagnosis,
personalized
monitoring.
Communications Materials,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: May 17, 2024
Abstract
Wearable
optical
sensors
have
emerged
as
a
promising
technology,
opening
up
new
way
to
monitor
human
sweat.
With
the
advancement
of
integrated
devices,
materials,
and
structure
design,
current
skin
interfaces
primarily
employ
four
analytical
methods
transmit
sweat
chemical
information
into
signals:
colorimetry,
surface-enhanced
Raman
spectroscopy,
fluorescence,
electrochemiluminescence.
To
improve
portability,
many
external
laser
source
devices
imaging
modules
are
upgraded
based
on
different
methods.
Here,
we
summarize
recent
progress
in
sensors,
focusing
their
principles,
development,
advantages,
limitations.
Finally,
challenges
future
prospects
wearable
collection,
data
analysis,
electronics
discussed.
IEEE Sensors Journal,
Journal Year:
2023,
Volume and Issue:
23(17), P. 19324 - 19331
Published: July 18, 2023
Sleep
quality
plays
an
essential
role
in
human
health
and
has
become
index
for
assessing
physical
health.
Here,
a
pressure-sensitive,
noninvasive,
comfortable
smart
pillow
was
developed
based
on
FBG
sensor
array
to
monitor
head
movements
real
time
during
sleep.
The
embedded
the
polydimethylsiloxane
(PDMS)-based
silicone
button
improved
pressure
sensitivity
durability.
of
further
optimized
by
modifying
structure
bulge
thickness
second
layer.
Both
real-time
monitoring
position
static
state
movement
trajectory
dynamic
sleep
are
realized.
Finally,
fabricated
used
respiratory
rate
(RR)
monitoring,
with
potential
applications
personal
healthcare
diagnosis.
This
work
not
only
provides
viable
sensing
device
but
could
also
be
extended
some
diseases,
such
as
brain
diseases
cervical
spondylosis,
future.
