Cell Reports Physical Science,
Год журнала:
2023,
Номер
4(6), С. 101433 - 101433
Опубликована: Июнь 1, 2023
Ammonia
production
is
a
critical
industrial
process,
and
mild
routes
to
recycle
nitrates
in
wastewater
could
be
promising
route
ammonia
synthesis.
In
this
study,
demonstrated
microbial
electrosynthesis
system
with
nitrate
an
electrode
as
electron
acceptors
donors,
respectively.
Based
on
the
bidirectional
extracellular
transfer
capability
of
Shewanella
oneidensis
MR-1,
our
electrosynthetic
achieves
maximum
rate
24.3
μg
h−1·mg
protein−1
82.5%
selectivity
33.1%
cathodic
efficiency
functions
for
several
cycles
over
30
days.
Electrochemical
analysis
suggests
that
cytochromes
c,
flavins,
flavin/c-cytochrome
combination
play
pivotal
role.
Charge
resistance
weakens
course
weeks,
resulting
easier
transfer.
Parallel
reaction
monitoring
proteomics
suggest
reversing
typical
"Mtr
pathway"
plays
role,
dissimilatory
pathway
used.
This
work
proposes
progressive
carry
out
synthesis
under
conditions.
ACS Materials Letters,
Год журнала:
2024,
Номер
6(4), С. 1418 - 1428
Опубликована: Март 12, 2024
Sunlight-driven
hydrogen
production
provides
a
sustainable
solution
for
clean
energy
generation.
Despite
their
potential,
extracellular
photosensitized
biohybrid
systems
are
typically
hindered
by
sluggish
electron
transfer
between
semiconductor
materials
and
microorganisms.
Herein,
we
introduce
bioinspired
development,
the
membrane-anchoring
protein
approach,
to
overcome
this
limitation.
Using
incorporated
with
TiO2
binding
peptide
on
engineered
E.
coli,
establish
proof-of-concept
demonstrate
an
81-fold
enhancement
in
efficiency
10.8-fold
increase
production.
Unprecedented
insights
into
dynamics
of
interface
revealed
herein
using
methyl
viologen
as
shuttle.
Additionally,
introducing
Eosin
Y
photosensitizer
model
enhances
both
source
efficiency,
further
boosting
The
synergistic
approach
utilizing
intracellular
dual
photosensitizers
overcomes
limitations
transfer,
overall
system,
creates
more
efficient
pathway
light-driven
ACS Nano,
Год журнала:
2024,
Номер
18(16), С. 10840 - 10849
Опубликована: Апрель 15, 2024
External
electric
field
has
the
potential
to
influence
metabolic
processes
such
as
biological
hydrogen
production
in
microorganisms.
Based
on
this
concept,
we
designed
and
constructed
an
electroactive
hybrid
system
for
microbial
biohydrogen
under
comprised
of
polydopamine
(PDA)-modified
Cell Reports Physical Science,
Год журнала:
2023,
Номер
4(6), С. 101433 - 101433
Опубликована: Июнь 1, 2023
Ammonia
production
is
a
critical
industrial
process,
and
mild
routes
to
recycle
nitrates
in
wastewater
could
be
promising
route
ammonia
synthesis.
In
this
study,
demonstrated
microbial
electrosynthesis
system
with
nitrate
an
electrode
as
electron
acceptors
donors,
respectively.
Based
on
the
bidirectional
extracellular
transfer
capability
of
Shewanella
oneidensis
MR-1,
our
electrosynthetic
achieves
maximum
rate
24.3
μg
h−1·mg
protein−1
82.5%
selectivity
33.1%
cathodic
efficiency
functions
for
several
cycles
over
30
days.
Electrochemical
analysis
suggests
that
cytochromes
c,
flavins,
flavin/c-cytochrome
combination
play
pivotal
role.
Charge
resistance
weakens
course
weeks,
resulting
easier
transfer.
Parallel
reaction
monitoring
proteomics
suggest
reversing
typical
"Mtr
pathway"
plays
role,
dissimilatory
pathway
used.
This
work
proposes
progressive
carry
out
synthesis
under
conditions.
