Advanced Materials Technologies,
Journal Year:
2023,
Volume and Issue:
8(22)
Published: Sept. 3, 2023
Abstract
Single‐use
electrical
systems
represent
the
future
of
multiple
fields
such
as
diagnostic
medical
technologies,
environmental
studies,
and
biofuel
manufacturing
with
significant
advantages
over
conventional
unrecyclable
bulky
that
are
partly
disposable
at
best.
require
miniaturized
bio‐friendly
energy
sources
meet
recyclability
or
reusability
requirement
application
without
creating
toxic
waste.
Herein,
a
storable,
scalable,
single‐use
electronics‐compatible
bio‐battery
is
designed
fabricated
using
completely
reusable
recyclable
components
developed.
The
battery
dual‐in‐line
package
microbial
fuel
cell
(DIP‐MFC)
can
be
activated
on
demand
via
introduction
moisture
through
anodic
fluid
chamber.
incorporates
dormant
bacteria
cells
an
abiotic
stainless
steel
mesh
serves
anode
attracts
electrons
being
transferred
from
biocatalyst.
DIP‐MFC
uses
infestation
bacterial
biofilm
conductive
to
harness
deliver
electricity
selected
circuit
pins.
A
single
continuously
operates
for
140
min
maximum
open
voltage
0.55
V,
which
stacked
connected
match
power
requirements
targeted
electronics.
DIP
nature
proposed
allows
simple
integration
MFC
electronics
boards
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
For
decades,
science
fiction
has
imagined
electronic
devices
that
spring
to
life
on
demand,
function
as
programmed,
and
then
vanish
without
a
trace.
Today,
transient
bioresorbable
electronics
are
making
vision
reality,
sparking
revolutionary
progress
in
biomedicine,
environmental
stewardship,
hardware
security.
Yet
one
critical
barrier
remains:
fully
power
source
with
the
same
disappearing
act.
Microbial-based
biobatteries
have
emerged
strong
contenders,
harnessing
of
microorganisms-found
virtually
everywhere-as
natural
biocatalysts.
However,
toxicity
health
risks
limited
these
systems
single-use,
often
incinerable
applications.
Here,
transformative
approach:
biobattery
powered
by
commercially
available
probiotics
dissolves
harmlessly
is
introduced,
releasing
only
beneficial
microbes.
Fabricated
water-soluble
or
pH-responsive
substrates,
this
capitalizes
15-strain
probiotic
blend
generate
electricity
across
diverse
electrode
materials.
By
manipulating
device
length
encapsulating
it
pH-sensitive
polymers,
delivery
can
be
fine-tuned
from
4
min
up
over
100
min.
A
single
module
outputs
µW
power,
47
µA
current,
an
open-circuit
voltage
0.65
V.
This
groundbreaking
design
ushers
new
era
safe,
effective
bioenergy
systems,
opening
unprecedented
opportunities
biomedical
implants,
sensors,
disposable
electronics.
We
present
a
groundbreaking
non-invasive,
wearable
glucose
biosensor
offering
long-term
stability,
high
selectivity,
and
biocompatibility
at
low
cost.
Utilizing
bacterial
endospores
as
novel
bioreceptors,
our
sensor
exhibits
unprecedented
robustness,
maintaining
viability
for
extended
periods
without
optimized
storage
conditions.
Upon
contact
with
on
human
skin,
these
germinate,
initiating
microbial
process
that
converts
into
electrical
signals
directly
correlating
levels.
This
discriminates
effectively
amidst
other
skin-emitted
substances,
ensuring
precise
monitoring.
The
are
converted
by
an
integrated
circuit,
providing
visual
LED
alert
specific
thresholds.
Advanced Sustainable Systems,
Journal Year:
2023,
Volume and Issue:
8(2)
Published: Oct. 3, 2023
Abstract
Transient
electronics,
which
can
operate
only
for
short‐lived
applications
and
then
be
eco‐friendly
disintegrated,
create
opportunities
in
environmental
sensing,
healthcare,
hardware
security.
Paper‐based
or
papertronics,
recently
have
rapidly
advanced
the
physically
transient
device
platform
because
paper
as
a
foundation
offers
an
environmentally
sustainable
cost‐effective
option
those
increasingly
pervasive
fast‐updated
single‐use
applications.
power
supplies
are
indispensable
to
realize
fully
papertronic
paradigm
critical
enabler
of
benign
solutions.
Microbial
fuel
cells
(MFCs)
hold
great
potential
sources
such
green
This
work
reports
design,
operation,
optimization
high‐power
MFC
by
biosynthesizing
microbe‐mediated
tin
oxide
nanoparticles
(SnO
2
NPs)
on
dormant
Bacillus
subtilis
endospores.
They
form
electrical
conduit
that
improves
electron
harvesting
during
spore
germination
generation.
The
is
packaged
sub‐microporous
alginate
minimize
risk
bacteria
leakage.
Upon
introduction
water,
paper‐based
generates
significantly
enhanced
density
140
µW
cm
−2
,
more
than
two
orders
magnitude
greater
their
previously
reported
counterparts.
Six
MFCs
connected
series
generate
sufficient
run
on‐chip,
light‐emitting
diode.
Advanced Engineering Materials,
Journal Year:
2023,
Volume and Issue:
25(24)
Published: Oct. 21, 2023
Engineered
living
materials
(ELMs)
combine
organisms
with
nonliving
components
to
create
responsive
functions,
improving
traditional
and
devices.
By
incorporating
electrochemically
active
microorganisms
into
a
redox‐active
matrix,
ELMs
merge
microbial
processes
environmental
cleaning
sustainable
energy
on
scalable
level.
This
technology
faces
challenges
in
merging
the
nonliving,
ensuring
consistent
manufacturing.
The
research
introduces
highly
efficient
bioelectrodes,
made
using
advanced
biomanufacturing
special
3D
printing
process
microbe‐infused
ink.
A
custom
printer
electropolymerization
creates
these
organic
bioelectrodes
without
templates,
marking
significant
advancement
ELM
technology.
material
used,
poly(3,4‐ethylenedioxythiophene),
is
key
for
electron
transfer
between
external
systems
harming
bacterial
function.
structure
allows
light
gas
permeability
maintains
thermal
gradients,
promising
major
innovations
bioelectronics,
bioenergy,
biosensors.
This
report
presents
a
'Gastrobot'
engineered
for
extended
self-sufficient
operation
in
water
bodies.
It
features
microbial
fuel
cells
(MFCs)
mimicking
digestive
system
to
convert
biochemical
into
mechanical
energy,
achieving
135μW/cm
power
density
autonomous
propulsion.
The
MFCs
use
hydrophobic/hydrophilic
interfaces
nutrient
intake
and
incorporate
Bacillus
subtilis
spores,
which
germinate
nutrient-rich
conditions,
fueling
the
enabling
motion.
A
central
motor
activates
movement,
highlighting
robot's
potential
as
smart
sensor
node
within
an
'Ocean
of
Things'
network,
advancing
global
aquatic
surveillance
connectivity.
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 22, 2024
Abstract
Aquatic
mobile
robots
are
gaining
attention
for
their
potential
to
revolutionize
marine
monitoring
and
exploration
within
the
Ocean
Internet
of
Things.
A
significant
challenge
these
untethered
robots,
especially
in
remote
areas,
is
achieving
energy
autonomy.
This
work
presents
an
innovative
self‐sustaining
system
compact
aquatic
inspired
by
biological
digestion.
Utilizing
microbial
fuel
cell
(MFC)
technology,
organic
materials
found
environments
converted
into
electricity
through
catalytic
redox
reactions.
To
extend
MFC's
lifespan,
spore‐forming
Bacillus
subtilis
used
as
anodic
biocatalyst,
leveraging
its
ability
endure
harsh
conditions
reactivate
favorable
environments,
thus
enhancing
longevity.
ensure
a
steady
supply
substrates
viability,
biomimetic
Janus
membrane
with
asymmetric
surface
wettability
integrated,
enabling
selective
substrate
intake.
Additionally,
stability
mechanisms
water
striders
allow
robot
move
efficiently
across
surfaces.
The
mimics
strider's
movement
using
motor
powered
metabolism,
fueled
nutrients
via
membrane.
study
demonstrates
feasibility
natural
processes
technological
advancement,
setting
new
benchmarks
design
autonomous
systems.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 23, 2024
Disposable
wearable
electronics
are
valuable
for
diagnostic
and
healthcare
purposes,
reducing
maintenance
needs
enabling
broad
accessibility.
However,
integrating
a
reliable
power
supply
is
crucial
their
advancement,
but
conventional
sources
present
significant
challenges.
To
address
that
issue,
novel
paper-based
moist-electric
generator
developed
harnesses
ambient
moisture
generation.
The
device
features
gradients
functional
groups
adsorption
architecture
of
nanostructures
within
disposable
paper
substrate.
nanoporous,
gradient-formed
spore-based
biofilm
asymmetric
electrode
deposition
enable
sustained
high-efficiency
output.
A
Janus
hydrophobic-hydrophilic
layer
enhances
harvesting,
ensuring
effective
operation
even
in
low-humidity
environments.
This
research
reveals
the
water
gradient
performance
under
high
humidity,
whereas
group
dominant
low
humidity.
delivers
consistent
across
diverse
conditions
flexibly
conforms
to
various
surfaces,
making
it
ideal
applications.
Its
eco-friendly,
cost-effective,
nature
makes
viable
solution
widespread
use
with
minimal
environmental
effects.
innovative
approach
overcomes
limitations
traditional
electronics,
offering
sustainable
future
wearables.
It
significantly
personalized
medicine
through
improved
health
monitoring
diagnostics.