Evaluating the Importance of Flavin-Based Electron Shuttling in Corrosion
Corrosion Science,
Год журнала:
2025,
Номер
unknown, С. 112782 - 112782
Опубликована: Фев. 1, 2025
Язык: Английский
Elucidating microbial iron corrosion mechanisms with a hydrogenase‐deficient strain of Desulfovibrio vulgaris
Di Wang,
Toshiyuki Ueki,
Peiyu Ma
и другие.
mLife,
Год журнала:
2024,
Номер
3(2), С. 269 - 276
Опубликована: Июнь 1, 2024
Abstract
Sulfate‐reducing
microorganisms
extensively
contribute
to
the
corrosion
of
ferrous
metal
infrastructure.
There
is
substantial
debate
over
their
mechanisms.
We
investigated
Fe
0
with
Desulfovibrio
vulgaris
,
sulfate
reducer
most
often
employed
in
studies.
Cultures
were
grown
both
lactate
and
as
potential
electron
donors
replicate
common
environmental
condition
which
organic
substrates
help
fuel
growth
corrosive
microbes.
was
corroded
cultures
a
D.
hydrogenase‐deficient
mutant
1:1
correspondence
between
loss
H
2
accumulation
expected
for
oxidation
coupled
+
reduction
.
This
result
extent
indicated
that
not
capable
direct
‐to‐microbe
transfer
even
though
it
provided
supplementary
energy
source
presence
abundant
sulfide.
Corrosion
greater
than
sterile
controls,
demonstrating
removal
necessary
enhanced
observed
The
parental
‐consuming
strain
more
strain,
could
be
attributed
reduction,
producing
sulfide
further
stimulated
oxidation.
results
suggest
consumption
microbially
corrosion,
but
can
indirectly
promote
by
increasing
generation
from
reduction.
finding
incapable
uptake
reaffirms
metal‐to‐microbe
has
yet
rigorously
described
sulfate‐reducing
Язык: Английский
Characterization of Surface Integrity of 7075-T6 Aluminum Alloy Subjected to Microbiologically Induced Corrosion during High-Speed Machining
Journal of Alloys and Compounds,
Год журнала:
2024,
Номер
unknown, С. 176843 - 176843
Опубликована: Окт. 1, 2024
Язык: Английский
Advances in understanding biofilm-based marine microbial corrosion
Corrosion Reviews,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Microbially
influenced
corrosion
and
biofouling
emerge
as
formidable
challenges
to
the
sustainable
management
exploitation
of
marine
resources.
The
primary
instigator
for
these
lies
in
insidious
development
biofilm.
Hence,
most
direct
pivotal
approach
counteracting
microbial
resides
advancement
anti-biofilm
technologies.
Conventional
methodologies
combatting
biofilm
are
efficient
but
have
certain
drawbacks,
particularly
environmental
contamination
inefficacy.
Research
into
innovative
technologies
is
imperative
more
use
resources
protection
ecological
equilibrium
oceans.
This
paper
offers
a
detailed
examination
constituents,
complex
processes
involved
development,
various
factors
that
affect
formation,
mechanisms
underlying
microbiologically
(MIC).
Furthermore,
article
summarizes
emerging,
eco-friendly
technologies,
while
providing
evolving
landscape
strategies
promising
prospects.
Язык: Английский
Anions exacerbate microbial corrosion of X80 pipeline steel induced by sulfate-reducing bacteria in the sea mud environment
Journal of Electroanalytical Chemistry,
Год журнала:
2024,
Номер
973, С. 118705 - 118705
Опубликована: Окт. 9, 2024
Язык: Английский
Microbiologically influenced corrosion inhibition of carbon steel by a novel bacterium, Photobacterium sp., in simulated marine environment
Environmental Research,
Год журнала:
2024,
Номер
264, С. 120298 - 120298
Опубликована: Ноя. 5, 2024
Язык: Английский
The effect of Desulfovibrio caledoniensis and Pseudomonas aeruginosa on the corrosion behaviour of 70Cu-30Ni alloy
Biofouling,
Год журнала:
2024,
Номер
unknown, С. 1 - 17
Опубликована: Дек. 3, 2024
This
work
investigated
the
effect
of
Desulfovibrio
caledoniensis
(D.
caledoniensis)
and
Pseudomonas
aeruginosa
(P.
aeruginosa)
on
microbiologically
influenced
corrosion
(MIC)
behaviour
70Cu-30Ni
alloy
using
surface
analysis
electrochemical
techniques.
The
results
demonstrated
that
mixed
medium
containing
D.
P.
further
accelerated
MIC
compared
to
single
species
medium.
addition
exogenous
pyocyanin
(PYO)
increased
maximum
pit
depth
from
5.40
μm
6.59
μm,
current
density
(icorr)
by
one
order
magnitude.
From
perspective
bioenergetics
extracellular
electron
transfer
(EET),
comprehensive
mechanism
induced
was
proposed.
Язык: Английский