Advanced Functional Materials,
Год журнала:
2022,
Номер
33(9)
Опубликована: Дек. 16, 2022
Abstract
Real‐time
monitoring
of
mental
stress
biomarkers
in
sweat
provides
the
possibility
to
evaluate
status
a
precise
manner.
In
general,
wearable
sensors
suffer
from
inconvenient
collection,
low
levels
diagnostic
sweat,
sophisticated
signal
processing,
and
challenges
with
data
visualization.
To
overcome
these
challenges,
herein
an
integrated
sweat‐sensing
patch
for
continuous
analysis
(cortisol,
Mg
2+
,
pH)
at
rest
is
demonstrated.
The
sensing
comprised
microfluidic
chip,
highly
sensitive
platform,
on‐site
processing
circuitry
(SPCs),
smartphone
installed
home‐developed
display
software.
collection
realized
using
chip
without
perspiration
assistance.
A
ternary
composite
electrode
designed
obtain
good
conductivity,
high
surface
area,
massive
reactive
sites,
thereby
yielding
excellent
electrochemical
performances
sensitivity
trace
biomarkers.
SPC
has
function
transduction,
conditioning,
wireless
transmission.
detection
results
can
be
displayed
on
through
This
work
represents
significant
scientific
technological
advancement
toward
indexing
used
as
innovative
tool
psychological
diagnosis.
Chemical Reviews,
Год журнала:
2023,
Номер
123(8), С. 5049 - 5138
Опубликована: Март 27, 2023
Wearable
sensors
hold
great
potential
in
empowering
personalized
health
monitoring,
predictive
analytics,
and
timely
intervention
toward
healthcare.
Advances
flexible
electronics,
materials
science,
electrochemistry
have
spurred
the
development
of
wearable
sweat
that
enable
continuous
noninvasive
screening
analytes
indicative
status.
Existing
major
challenges
include:
improving
extraction
sensing
capabilities,
form
factor
device
for
minimal
discomfort
reliable
measurements
when
worn,
understanding
clinical
value
biomarker
discovery.
This
review
provides
a
comprehensive
outlines
state-of-the-art
technologies
research
strive
to
bridge
these
gaps.
The
physiology
sweat,
materials,
biosensing
mechanisms
advances,
approaches
induction
sampling
are
introduced.
Additionally,
design
considerations
system-level
devices,
spanning
from
strategies
prolonged
efficient
powering
wearables,
discussed.
Furthermore,
applications,
data
commercialization
efforts,
challenges,
prospects
precision
medicine
Advanced Healthcare Materials,
Год журнала:
2021,
Номер
10(17)
Опубликована: Март 1, 2021
Abstract
While
the
current
smartwatches
and
cellphones
can
readily
track
mobility
vital
signs,
a
new
generation
of
wearable
devices
is
rapidly
developing
to
enable
users
monitor
their
health
parameters
at
molecular
level.
Within
this
emerging
class
wearables,
microneedle‐based
transdermal
sensors
are
in
prime
position
play
key
role
synergizing
significant
advantages
dermal
interstitial
fluid
(ISF)
as
rich
source
clinical
indicators
painless
skin
pricking
allow
collection
real‐time
diagnostic
information.
initial
efforts
microneedle
sensing
focused
on
ISF
extraction
coupled
with
either
on‐chip
analysis
or
off‐chip
instrumentation,
latest
trend
has
been
oriented
toward
assembling
electrochemical
biosensors
tip
microneedles
direct
continuous
chemical
measurements.
In
context,
advances
have
recently
made
exploiting
for
monitoring
various
metabolites,
electrolytes,
therapeutics
simultaneous
multiplexed
detection
markers;
yet,
there
several
grand
challenges
that
still
exist.
review,
we
outline
progress,
recent
trends,
capabilities
microneedle‐empowered
sensors,
along
unmet
future
roadmap
transforming
innovations
field
commercial
products.
Analytical Chemistry,
Год журнала:
2021,
Номер
93(4), С. 1880 - 1888
Опубликована: Янв. 12, 2021
This
Feature
summarizes
recent
works
in
paper-based
potentiometry
and
voltammetry
heavy
metal
determination.
Interactions
of
paper
substrates
with
metals,
influence
on
the
sensing
response,
modification
methods
applied
to
improve
performance
recently
developed
electrochemical
sensors
are
discussed.
Since
rekindling
interest
analytical
devices,
methodologies
electrode
designs
for
determinations
highlighted.
Promising
aspects
use
these
samples
containing
solids
increased
versatility
analytics
offers
possibility
acceptance
low-cost
platforms.
Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Июнь 9, 2022
Wireless
technologies-supported
printed
flexible
electronics
are
crucial
for
the
Internet
of
Things
(IoTs),
human-machine
interaction,
wearable
and
biomedical
applications.
However,
challenges
to
existing
printing
approaches
remain,
such
as
low
precision,
difficulty
in
conformal
printing,
complex
ink
formulations
processes.
Here
we
present
a
room-temperature
direct
strategy
wireless
electronics,
where
distinct
high-performance
functional
modules
(e.g.,
antennas,
micro-supercapacitors,
sensors)
can
be
fabricated
with
high
resolution
further
integrated
on
various
flat/curved
substrates.
The
additive-free
titanium
carbide
(Ti3C2Tx)
MXene
aqueous
inks
regulated
large
single-layer
ratio
(>90%)
narrow
flake
size
distribution,
offering
metallic
conductivity
(~6,
900
S
cm-1)
ultrafine-printed
tracks
(3
μm
line
gap
0.43%
spatial
uniformity)
without
annealing.
In
particular,
build
an
all-MXene-printed
system
capable
communication,
energy
harvesting,
smart
sensing.
This
work
opens
door
high-precision
additive
manufacturing
at
room
temperature.
ACS Sensors,
Год журнала:
2021,
Номер
6(8), С. 2787 - 2801
Опубликована: Авг. 5, 2021
Skin-interfaced
wearable
systems
with
integrated
colorimetric
assays,
microfluidic
channels,
and
electrochemical
sensors
offer
powerful
capabilities
for
noninvasive,
real-time
sweat
analysis.
This
Perspective
details
recent
progress
in
the
development
translation
of
novel
personalized
assessment
dynamics
biomarkers,
precise
sampling
Sensor
accuracy,
system
ruggedness,
large-scale
deployment
remote
environments
represent
key
opportunity
areas,
enabling
broad
context
field
studies,
clinical
trials,
commercialization.
On-body
measurements
these
contexts
show
good
agreement
compared
to
conventional
laboratory-based
analysis
approaches.
These
device
demonstrations
highlight
utility
biochemical
sensing
platforms
performance,
wellness,
health
across
a
range
applications.
ACS Applied Materials & Interfaces,
Год журнала:
2022,
Номер
14(36), С. 41468 - 41480
Опубликована: Сен. 1, 2022
Developing
high-efficiency
electromagnetic
interference
(EMI)
shielding
composite
films
with
outstanding
flexibility
and
excellent
thermal
management
capability
is
vital
but
challenging
for
modern
integrated
electronic
devices.
Herein,
a
facile
two-step
vacuum
filtration
method
was
used
to
fabricate
ultrathin,
flexible,
multifunctional
cellulose
nanofiber
(CNF)-based
an
asymmetric
layered
architecture.
The
structure
composed
of
low-conductivity
CoFe2O4@MXene/CNF
layer
highly
conductive
silver
nanowires
(AgNWs)/CNF
layer.
Benefiting
from
the
rational
placement
impedance
matching
layer,
as
well
synergistic
effect
electric
magnetic
losses,
resultant
film
exhibits
extremely
high
EMI
effectiveness
(SE)
73.3
dB
average
SE
70.9
low
reflected
efficiency
4.9
at
only
0.1
mm
thickness.
Sufficiently
reliable
(over
95%
reservation)
attained
even
after
suffering
continuous
physical
deformations
long-term
chemical
attacks.
Moreover,
prepared
exhibit
extraordinary
flexibility,
strong
mechanical
properties,
satisfactory
capability.
This
work
offers
viable
strategy
exploiting
performance
attractive
capacity,
present
extensive
application
potential
in
aerospace,
artificial
intelligence,
advanced
electronics,
stealth
technology,
national
defense
industry,
under
harsh
environments.
Analytical Chemistry,
Год журнала:
2022,
Номер
94(20), С. 7319 - 7328
Опубликована: Май 10, 2022
Sweat
pH
is
a
critical
indicator
for
evaluating
human
health.
With
the
extensive
attention
on
wearable
and
flexible
biosensing
devices,
technology
monitoring
of
sweat
can
be
realized.
In
this
study,
sensitive,
miniaturized,
electrochemical
sensor
was
developed
continuous
real-time
hydrogen-ion
concentration
in
sweat.
A
electrode
fabricated
poly(ethylene
terephthalate)
(PET)
substrate
by
simple
low-cost
screen-printing
technology,
which
based
integration
fluoroalkyl
silane-functionalized
Ti3C2Tx
(F–Ti3C2Tx)
polyaniline
(PANI)
membrane
instead
traditional
ion-sensitive
membrane.
The
surface
functionalization
strategy
with
perfluorodecyltrichlorosilane
provide
environmental
stability.
Functionalized
doped
PANI
to
obtain
improved
responsiveness,
sensitivity,
reversibility.
constructed
microsize,
portable,
F–Ti3C2Tx/PANI
aimed
monitor
value
during
exercise.
On-body
females
males,
respectively,
exhibited
high
accuracy
stability
compared
ex
situ
analyses.
This
study
thus
offers
facile
practical
solution
developing
highly
reliable
MXene-based
mini-type
realize
online
pH.
Chemical Reviews,
Год журнала:
2024,
Номер
124(4), С. 1535 - 1648
Опубликована: Фев. 19, 2024
Over
the
years,
researchers
have
made
significant
strides
in
development
of
novel
flexible/stretchable
and
conductive
materials,
enabling
creation
cutting-edge
electronic
devices
for
wearable
applications.
Among
these,
porous
textiles
(PCTs)
emerged
as
an
ideal
material
platform
electronics,
owing
to
their
light
weight,
flexibility,
permeability,
wearing
comfort.
This
Review
aims
present
a
comprehensive
overview
progress
state
art
utilizing
PCTs
design
fabrication
wide
variety
integrated
systems.
To
begin
with,
we
elucidate
how
revolutionize
form
factors
electronics.
We
then
discuss
preparation
strategies
PCTs,
terms
raw
processes,
key
properties.
Afterward,
provide
detailed
illustrations
are
used
basic
building
blocks
fabricate
intrinsically
flexible
or
stretchable
devices,
including
sensors,
actuators,
therapeutic
energy-harvesting
storage
displays.
further
describe
techniques
systems
either
by
hybridizing
conventional
off-the-shelf
rigid
components
with
integrating
multiple
fibrous
PCTs.
Subsequently,
highlight
some
important
application
scenarios
healthcare,
sports
training,
converging
technologies,
professional
specialists.
At
end
Review,
challenges
perspectives
on
future
research
directions
give
overall
conclusions.
As
demand
more
personalized
interconnected
continues
grow,
PCT-based
wearables
hold
immense
potential
redefine
landscape
technology
reshape
way
live,
work,
play.
