International Journal of Molecular Sciences,
Journal Year:
2022,
Volume and Issue:
23(10), P. 5566 - 5566
Published: May 16, 2022
Microbial
cells
secrete
extracellular
polymeric
substances
(EPS)
to
adhere
material
surfaces,
if
they
get
in
contact
with
solid
materials
such
as
metals.
After
phase
equilibrium,
microorganisms
can
firmly
the
metal
surfaces
causing
dissolution
and
corrosion.
Attachment
adhesion
of
via
EPS
increase
possibility
rate
Many
components
are
electrochemical
redox
active,
making
them
closely
related
Functional
groups
have
specific
adsorption
ability,
play
a
key
role
biocorrosion.
This
review
emphasizes
properties
corrosion
protection
underlying
microbially
influenced
(MIC)
mechanisms.
Future
perspectives
regarding
comprehensive
study
MIC
mechanisms
green
methodologies
for
provided.
Applied Catalysis B Environment and Energy,
Journal Year:
2019,
Volume and Issue:
257, P. 117916 - 117916
Published: July 4, 2019
Semi-artificial
photosynthesis
has
emerged
as
a
promising
approach
to
convert
carbon
dioxide
value-added
chemicals.
Herein,
direct
CO2-to-CH4
conversion
was
realized
by
an
innovative
biohybrid
consisting
of
semiconductor
nanoparticles
and
non-phototrophic
methanogens.
The
interaction
between
model
methanogen
Methanosarcina
barkeri
photoactive
CdS
achieved
CH4
production
rate
0.19
μmol/h
with
quantum
efficiency
0.34%,
comparable
that
plants
or
algae.
M.
barkeri-CdS
exhibited
higher
electrical
conductivity
than
only
generated
photocurrent
in
response
irradiation.
simultaneous
increase
mcrA
gene
copies
151.4%
illustrated
the
robustness
this
biohybrid.
Membrane-bound
proteins
were
found
play
key
role
photoelectron
transfer.
possibly
conducted
photoelectrons
from
e−-h+
separation
via
H2ases-mediated
cytochromes-mediated
pathways.
findings
encourage
further
exploration
solar-driven
self-replicating
biocatalytic
system
achieve
conversion.
Advanced Materials,
Journal Year:
2020,
Volume and Issue:
33(6)
Published: Dec. 16, 2020
Abstract
Electrochemically
active
bacteria
can
transport
their
metabolically
generated
electrons
to
anodes,
or
accept
from
cathodes
synthesize
high‐value
chemicals
and
fuels,
via
a
process
known
as
extracellular
electron
transfer
(EET).
Harnessing
of
this
microbial
EET
has
led
the
development
bio‐electrochemical
systems
(BESs),
which
achieve
interconversion
electrical
chemical
energy
enable
electricity
generation,
hydrogen
production,
electrosynthesis,
wastewater
treatment,
desalination,
water
soil
remediation,
sensing.
Here,
focus
is
on
current
understanding
occurring
at
both
bacteria–electrode
interface
biotic
interface,
well
some
attempts
improve
by
using
various
nanomaterials.
The
behavior
nanomaterials
in
different
routes
influence
performance
BESs
are
described.
inherent
mechanisms
will
guide
rational
design
EET‐related
materials
lead
better
mechanisms.
