Machines,
Год журнала:
2024,
Номер
12(1), С. 62 - 62
Опубликована: Янв. 16, 2024
In
recent
years,
the
rapid
advancement
of
technology
has
caused
an
increase
in
development
wearable
products.
These
are
portable
devices
that
can
be
worn
by
people.
The
main
goal
these
products
is
to
improve
quality
life
as
they
focus
on
safety,
assistance
and
entertainment
their
users.
introduction
many
new
technologies
allowed
evolve
into
different
fields
with
multiple
uses.
way
which
design
products/devices
approached
requires
study
recording
factors
so
final
device
functional
efficient
for
its
user.
current
research
presents
in-depth
overview
studies
dealing
development,
manufacturing
applications/systems
general.
More
specifically,
this
review,
a
comprehensive
classification
various
sectors
applications
was
carried
out,
resulting
creation
eight
categories.
A
total
161
from
last
13
years
were
analyzed
commented
on.
findings
review
show
use
such
3D
scanning
printing
essential
tools
addition,
observed
sensors
through
signals
data
could
recorded.
Finally,
categories
divided
into,
two
conclusions
emerged.
first
conclusion
method
used
most
research.
second
directions
concern
safety
users
using
anthropometric
dimensions.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(28), С. 34055 - 34063
Опубликована: Июль 6, 2023
Ionic
conductive
eutectogels
have
great
application
prospects
in
wearable
strain
sensors
owing
to
their
temperature
tolerance,
simplicity,
and
low
cost.
Eutectogels
prepared
by
cross-linking
polymers
good
tensile
properties,
strong
self-healing
capacities,
excellent
surface-adaptive
adhesion.
Herein,
we
emphasize
for
the
first
time
potential
of
zwitterionic
deep
eutectic
solvents
(DESs),
which
betaine
is
a
hydrogen
bond
acceptor.
Polymeric
were
directly
polymerizing
acrylamide
DESs.
The
obtained
owned
ionic
conductivity
(0.23
mS
cm-1),
superior
stretchability
(approximately
1400%
elongation),
(82.01%),
self-adhesion,
wide
tolerance.
Accordingly,
eutectogel
was
successfully
applied
self-adhesive
sensors,
can
adhere
skins
monitor
body
motions
with
high
sensitivity
cyclic
stability
over
range
(-80
80
°C).
Moreover,
this
sensor
an
appealing
sensing
function
on
bidirectional
monitoring.
findings
work
pave
way
design
soft
materials
versatility
environmental
adaptation.
ACS Applied Electronic Materials,
Год журнала:
2023,
Номер
5(4), С. 2184 - 2196
Опубликована: Март 21, 2023
Ionic
gels
from
eutectic
mixtures
are
attracting
extensive
interest
in
bioelectronics
owing
to
their
nonvolatile
nature,
low
cost,
and
inherently
high
ionic
conductivity.
Biodegradable
electronics
made
of
biopolymers
envisage
a
promising
future
this
field,
but
unfortunately,
they
often
feature
poor
mechanics.
Herein,
we
explored
tannic
acid-decorated
cellulose
nanocrystals
(TA@CNC)
as
dynamic
nanofillers
biocompatible
eutectogels
based
on
gelatin
mixture
composed
choline
chloride
ethylene
glycol
(ethaline).
Small
concentrations
TA@CNC
(up
1–2
wt
%)
allow
increasing
by
two-fold
the
strength
(30
kPa)
stretchability
(180%)
while
improving
conductivity
(105
mS·m–1).
The
reversible
physical
network
protein
multiple
hydrogen
bonding
interactions
with
acid
endow
these
good
self-adhesiveness,
suitable
gel-to-sol
transition
for
3D
printing,
recyclability.
We
further
used
nanocomposite
skin-conformal
electrodes
monitoring
different
motions
human
body
excellent
sensitivity
open
air
thanks
volatility
ethaline.
All
all,
results
demonstrate
facile
strategy
boost
properties
biopolymer
using
inexpensive
renewable
raw
materials
rigid
nanoreinforcers.
Advanced Sensor Research,
Год журнала:
2023,
Номер
3(3)
Опубликована: Март 18, 2023
Abstract
The
aging
population
and
the
prevalence
of
infectious
diseases
have
impacted
traditional
medical
order,
significantly
increasing
burden
on
healthcare
adversely
affecting
socio‐economic
system.
Medical
sensors
based
artificial
intelligence
(AI)
provide
new
ideas
for
modern
data
collection
to
monitor
health
status
individuals
environmental
changes.
Meanwhile,
with
aid
AI
algorithms,
big
processing
capabilities
sensor
systems
been
greatly
improved,
further
realizing
early
predictions
timely
diagnoses.
In
this
paper,
a
brief
overview
is
offered
development
AI‐enabled
off‐body
detection,
near‐body
monitoring,
disease
prediction,
clinical
decision
support
system,
ongoing
challenges
future
prospects
move
from
concept
implementation
are
discussed.
foreseeable
future,
breakthroughs
in
combination
algorithms
expected
pave
way
detection
improve
accuracy
efficiency
diagnosis.
Conductive
hydrogels
have
attracted
copious
attention
owing
to
their
grateful
performances,
such
as
similarity
biological
tissues,
compliance,
conductivity
and
biocompatibility.
A
diversity
of
conductive
been
developed
showed
versatile
potentials
in
biomedical
applications.
In
this
review,
we
highlight
the
recent
advances
hydrogels,
involving
various
types
functionalities
well
applications
fields.
Furthermore,
current
challenges
reasonable
outlook
are
also
given.
It
is
expected
that
review
will
provide
potential
guidance
for
advancement
next-generation
hydrogels.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(30), С. 36759 - 36770
Опубликована: Июль 21, 2023
The
development
of
degradable,
cost-effective,
and
eco-friendly
ionic
conductive
gels
is
highly
required
to
reduce
electronic
waste
originating
from
flexible
devices.
However,
biocompatible,
tough,
durable
are
challenging
achieve.
Herein,
we
develop
a
facile
strategy
for
the
design
synthesis
degradable
tough
eutectogels
by
integrating
an
electrostatically
driven
supramolecular
network
composed
branched
polyacrylic
acid
(PAA)
monoethanolamine
(MEA)
into
green
deep
eutectic
solvent
with
chitosan
quaternary
ammonium
salt
(CQS).
specially
designed
PAA/MEA/CQS
present
multiple
desired
properties,
including
high
transparency,
widely
adjustable
mechanical
resilience,
reliable
adhesiveness,
excellent
self-healing
ability,
good
conductivity,
remarkable
anti-freezing
performance,
antibacterial
properties.
dynamic
reversible
interactions
not
only
significantly
enhance
properties
but
also
enable
fast
degradation,
addressing
dilemma
between
strength
degradability.
More
importantly,
biocompatible
multifunctional
skin
successfully
fabricated
based
on
eutectogel,
exhibiting
sensitivity,
wide
sensing
range,
rapid
response
speed
toward
strain,
pressure,
temperature.
Thus,
this
study
offers
promising
fabricating
eutectogels,
which
show
great
potential
as
high-performance
skins
next-generation
wearable
Chemistry of Materials,
Год журнала:
2024,
Номер
36(4), С. 1841 - 1854
Опубликована: Фев. 5, 2024
Organic
electrochemical
transistors
(OECTs)
are
signal
transducers
offering
high
amplification,
which
makes
them
particularly
advantageous
for
detecting
weak
biological
signals.
While
OECTs
typically
operate
with
aqueous
electrolytes,
those
employing
solid-like
gels
as
the
dielectric
layer
can
be
excellent
candidates
constructing
wearable
electrophysiology
probes.
Despite
their
potential,
impact
of
gel
electrolyte
type
and
composition
on
operation
OECT
associated
device
design
considerations
optimal
performance
a
chosen
have
remained
ambiguous.
In
this
work,
we
investigate
influence
three
types
electrolytes─hydrogels,
eutectogels,
iongels,
each
varying
compositions
OECTs.
Our
findings
highlight
superiority
eutectogel
electrolyte,
comprises
poly(glycerol
1,3-diglycerolate
diacrylate)
polymer
matrix
choline
chloride
in
combination
1,3-propanediol
deep
eutectic
solvent
ionic
component.
This
outperforms
hydrogel
iongel
counterparts
equivalent
dimensions,
yielding
most
favorable
transient
steady-state
both
p-type
depletion
p-type/n-type
enhancement
mode
gated
silver/silver
(Ag/AgCl).
Furthermore,
eutectogel-integrated
exhibit
exceptional
operational
stability,
reflected
absence
signal-to-noise
ratio
(SNR)
variation
simulated
electrocardiogram
(ECG)
recordings
conducted
continuously
over
period
5
h,
well
daily
measurements
spanning
30
days.
Eutectogel-based
also
higher
ECG
amplitudes
SNR
than
counterparts,
utilizing
commercially
available
hydrogel,
is
common
cutaneous
electrodes.
These
underscore
potential
eutectogels
semisolid
OECTs,
applications
demanding
robust
prolonged
physiological
monitoring.
Bioengineering,
Год журнала:
2024,
Номер
11(4), С. 358 - 358
Опубликована: Апрель 6, 2024
In
recent
years,
the
proliferation
of
wearable
healthcare
devices
has
marked
a
revolutionary
shift
in
personal
health
monitoring
and
management
paradigm.
These
devices,
ranging
from
fitness
trackers
to
advanced
biosensors,
have
not
only
made
more
accessible,
but
also
transformed
way
individuals
engage
with
their
data.
By
continuously
signs,
physical-based
biochemical-based
such
as
heart
rate
blood
glucose
levels,
technology
offers
insights
into
human
health,
enabling
proactive
rather
than
reactive
approach
healthcare.
This
towards
personalized
empowers
knowledge
tools
make
informed
decisions
about
lifestyle
medical
care,
potentially
leading
earlier
detection
issues
tailored
treatment
plans.
review
presents
fabrication
methods
flexible
applications
care.
The
potential
challenges
future
prospectives
are
discussed.
Biomaterials,
Год журнала:
2024,
Номер
310, С. 122624 - 122624
Опубликована: Май 24, 2024
The
proliferation
of
medical
wearables
necessitates
the
development
novel
electrodes
for
cutaneous
electrophysiology.
In
this
work,
poly(3,4-ethylenedioxythiophene)
polystyrene
sulfonate
(PEDOT:PSS)
is
combined
with
a
deep
eutectic
solvent
(DES)
and
polyethylene
glycol
diacrylate
(PEGDA)
to
develop
printable
biocompatible
long-term
electrophysiology
recordings.
impact
printing
parameters
on
conducting
properties,
morphological
characteristics,
mechanical
stability
biocompatibility
material
were
investigated.
optimised
eutectogel
formulations
fabricated
in
four
different
patterns
—flat,
pyramidal,
striped
wavy—
explore
influence
electrode
geometry
skin
conformability
contact.
These
employed
impedance
forearm
EMG
measurements.
Furthermore,
arrays
twenty
embedded
into
textile
used
generate
body
surface
potential
maps
(BSPMs)
forearm,
where
finger
movements
recorded
analysed.
Finally,
BSPMs
three
letters
(B,
I,
O)
sign-language
train
logistic
regressor
classifier
able
reliably
identify
each
letter.
This
fabrication
approach
offers
new
opportunities
electrophysiological
recordings,
online
translation
brain-machine
interfaces.
