Advanced Energy Materials,
Journal Year:
2022,
Volume and Issue:
13(1)
Published: Nov. 28, 2022
Abstract
Functioning
ingestible
capsules
offer
tremendous
promise
for
a
plethora
of
diagnostic
and
therapeutic
applications.
However,
the
absence
realistic
practical
power
solutions
has
greatly
hindered
development
electronics.
Microbial
fuel
cells
(MFCs)
hold
great
potential
as
sources
such
devices
small
intestinal
environment
maintains
steady
internal
temperature
neutral
pH.
Those
conditions
constant
supply
nutrient‐rich
organics
are
perfect
to
generate
long‐lasting
power.
Although
previous
small‐scale
MFCs
have
demonstrated
many
promising
applications,
little
is
known
about
generating
in
human
gut
environment.
Here,
this
work
reports
design
operation
microbial
biobattery
capsule
Dormant
Bacillus
subtilis
endospores
storable
anodic
biocatalyst
that
will
provide
on‐demand
when
revived
by
fluids.
A
conductive,
porous,
poly(3,4‐ethylenedioxythiophene)
polystyrene
sulfonate
hydrogel
anode
enables
superior
electrical
performance
what
world's
smallest
MFC.
Moreover,
an
oxygen‐rich
cathode
its
effective
cathodic
capability
even
oxygen‐deficit
As
proof‐of‐concept
demonstration
stimulated
fluid,
produces
current
density
470
µA
cm
−2
98
µW
,
ensuring
efficacy
novel
sole
source
applications
intestine.
Bulletin of the Chemical Society of Japan,
Journal Year:
2023,
Volume and Issue:
96(11), P. 1243 - 1251
Published: Sept. 14, 2023
Abstract
In
this
review
article,
we
focus
on
the
electrical
conductivity
(σ),
charge
number
densities
(n),
and
carrier
mobilities
(μ)
in
crystalline
conducting
polymers
doped
by
various
methods,
including
doping
with
an
ionic-liquid-gated
transistor
(ILGT)
configuration
H2SO4
treatment.
Electrical
properties
of
polymer
poly(2,5-bis(3-alkylthiophen-2-yl)thieno[3,2-b]thiophene)
(PBTTT)
were
investigated
a
combination
ILGT
operando
Raman
spectroscopy.
The
type
carrier,
positive
polaron
or
bipolaron,
was
determined
values
σ
μ
as
function
n.
highest
mobility
bipolarons
1.2
cm2
V−1
s−1
at
n
=
6.2
×
1020
cm−3.
poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate)
(PEDOT:PSS)
increased
upon
treatment
caused
anion
exchange,
resulting
crystallization
PEDOT.
density
7.3
1021
1.9
s−1.
heavily
PBTTT
PEDOT,
spinless
existed
stably,
highly
mobile.
Biosensors,
Journal Year:
2023,
Volume and Issue:
13(6), P. 586 - 586
Published: May 28, 2023
Nowadays,
virus
pandemics
have
become
a
major
burden
seriously
affecting
human
health
and
social
economic
development.
Thus,
the
design
fabrication
of
effective
low-cost
techniques
for
early
accurate
detection
been
given
priority
prevention
control
such
pandemics.
Biosensors
bioelectronic
devices
demonstrated
as
promising
technology
to
resolve
drawbacks
problems
current
methods.
Discovering
applying
advanced
materials
offered
opportunities
develop
commercialize
biosensor
effectively
controlling
Along
with
various
well-known
gold
silver
nanoparticles,
carbon-based
materials,
metal
oxide-based
graphene,
conjugated
polymer
(CPs)
one
most
candidates
preparation
construction
excellent
biosensors
high
sensitivity
specificity
different
analytes
owing
their
unique
π
orbital
structure
chain
conformation
alterations,
solution
processability,
flexibility.
Therefore,
CP-based
regarded
innovative
technologies
attracting
great
interest
from
community
diagnosis
COVID-19
well
other
For
providing
precious
scientific
evidence
in
detection,
this
review
aims
give
critical
overview
recent
research
related
use
CPs
biosensors.
We
emphasize
structures
interesting
characteristics
discuss
state-of-the-art
applications
well.
In
addition,
types
optical
biosensors,
organic
thin
film
transistors
(OTFT),
hydrogels
(CPHs)
based
on
are
also
summarized
presented.
Journal of Applied Polymer Science,
Journal Year:
2022,
Volume and Issue:
139(30)
Published: May 26, 2022
Abstract
With
the
advancement
of
applications
in
biomedicines
and
bioelectronics,
conducting
polymers
have
attained
huge
significant
attention.
For
such
applications,
poly(3,4‐ethylenedioxythiophene):poly(styrene
sulfonate)
(PEDOT:PSS)
is
considered
a
potential
polymer
because
its
low
cost,
considerable
stability,
high
conductivity
mechanical
strength.
Most
importantly,
easy
aqueous
solution
processability
makes
it
more
attractive.
Over
last
few
years,
PEDOT:PSS
has
been
predominantly
explored
investigated
for
different
optoelectronic
flexible
devices,
recently
studied
biomedical
applications.
based
materials
made
progress
due
to
their
properties
as
biocompatibility,
cell
proliferation,
antibacterial,
nontoxicity
so
forth.
To
adjust
desirable
properties,
special
attention
required
altering
structure
material.
offers
excellent
antibacterial
against
both
gram‐positive
gram‐negative
bacteria.
Moreover,
demonstrates
an
important
role
sensing
human
body
humidity,
pressure
control,
glucose
detection,
well
employed
sweat
sensors.
Besides
these,
scaffold
endothelial
preservation.
There
are
several
issues
which
need
be
resolved
future,
improved
biocompatibility
stability
explore
composite
However,
related
review
article
lacking,
directed
on
namely,
tissue
engineering,
biosensing.
Therefore,
current
summarizes
importance
main
emphasis
given
recent
advances,
challenges
perspectives.
Toxics,
Journal Year:
2024,
Volume and Issue:
12(2), P. 150 - 150
Published: Feb. 15, 2024
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS)
is
a
conductive
polymer
commonly
used
in
various
technological
applications.
However,
its
impact
on
aquatic
ecosystems
remains
largely
unexplored.
In
this
study,
we
investigated
the
toxicity
effects
of
PEDOT:PSS
zebrafish.
We
first
determined
lethal
concentration
(LC50)
zebrafish
and
then
exposed
AB-type
embryos
to
different
concentrations
for
120
h.
Our
investigation
elucidated
development,
including
morphological
assessments,
heart
rate
measurements,
behavioral
analysis,
transcriptome
profiling,
histopathological
analysis.
discovered
that
exhibited
detrimental
early
developmental
stages
zebrafish,
exacerbating
oxidative
stress
level,
suppressing
activity,
impairing
cardiac
causing
intestinal
cell
damage.
This
study
adds
new
dimension
findings
contribute
our
understanding
ecological
repercussions
highlight
importance
responsible
development
application
novel
materials
rapidly
evolving
landscape.
ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(7), P. 4772 - 4784
Published: July 4, 2024
Textile-based
wearable
humidity
sensors
are
of
great
interest
for
human
healthcare
monitoring
as
they
can
provide
critical
human-physiology
information.
The
demand
and
sustainable
sensing
technology
has
significantly
promoted
the
development
eco-friendly
solutions
potential
real-world
applications.
Herein,
a
biodegradable
cotton
(textile)-based
sensor
been
developed
using
fabsil-treated
fabric
coated
with
poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
(PEDOT:PSS)
layer.
structural,
chemical
composition,
hygroscopicity,
morphological
properties
examined
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FTIR),
contact
angle
measurement,
scanning
electron
microscopy
(SEM)
analysis.
exhibited
nearly
linear
response
(Adj.
R-square
value
observed
0.95035)
over
broad
relative
(RH)
range
from
25
to
91.5%RH
displaying
high
sensitivity
(26.1%/%RH).
shows
excellent
reproducibility
(on
replica
margin
error
±1.98%)
appreciable
stability/aging
time
(>4.5
months),
flexibility
(studied
at
bending
angles
30°,
70°,
120°,
150°),
substantial
response/recovery
durations
(suitable
multiple
applications),
highly
repeatable
(multicyclic
analysis)
performance.
prospective
relevance
toward
applications
is
demonstrated
via
breathing
rate
(via
attached
face
mask),
distinguishing
different
patterns
(normal,
deep,
fast),
skin
moisture
monitoring,
neonatal
care
(diaper
wetting).
multinode
wireless
connectivity
Raspberry
Pi
Pico-based
system
demonstrating
applicability
real-time
sector.
Further,
biodegradability
analysis
used
textile
evaluated
soil
burial
degradation
test.
work
suggests
flexible
in
devices
other
