Letters in Applied Microbiology,
Год журнала:
2024,
Номер
77(9)
Опубликована: Авг. 15, 2024
Abstract
Xanthan
gum
is
a
microbial
polysaccharide
produced
by
Xanthomonas
and
widely
used
in
various
industries.
To
produce
xanthan
gum,
the
native
citri-386
was
cheese-whey-based
culture
medium.
The
conditions
were
investigated
batch
experiments
based
on
response
surface
methodology
to
increase
production
viscosity.
Three
independent
variables
this
study
included
feeding
times
of
acetate,
pyruvate,
citrate.
maximum
viscosity
within
120
h
X.
using
Box–Behnken
design
25.7
g/l
65
500
cP,
respectively,
with
151%
394%
as
compared
control
sample.
Overall,
findings
recommend
use
medium
an
economical
optimal
amounts
citrate
for
commercial
industrial
scale.
adjustment
pyruvate
acetate
concentrations
optimized
environment.
Cleaner Engineering and Technology,
Год журнала:
2023,
Номер
14, С. 100636 - 100636
Опубликована: Апрель 17, 2023
Port
State
Control
(PSC)
is
a
critical
inspection
mechanism
used
to
regulate
and
remove
substandard
foreign
ships
in
national
ports,
with
the
aim
of
ensuring
compliance
safety
pollution
regulations
prevent
threats
environment.
With
heavy
concentrated
traffic
volumes
at
executing
efficient
effective
PSC
inspections
has
become
increasingly
challenging.
This
study
investigates
risk
factors
ship
detention
identifies
most
factor
for
strengthen
maritime
environmental
protection
towards
cleaner
Using
six
years
dataset
total
178,153
from
2010
2015,
Bayesian
network
model
was
developed
analyze
influencing
that
lead
viz.
The
flag
State,
type,
recognized
organization,
authority
age.
results
indicate
greatest
influence,
followed
by
age
descending
order
importance.
These
findings
guide
officers
owners
identifying
areas
enhance
safety,
promote
sustainability
achieve
A
similar
approach
can
be
applied
records
other
further
analysis.
Journal of Polymers and the Environment,
Год журнала:
2024,
Номер
32(12), С. 6256 - 6275
Опубликована: Июль 30, 2024
Abstract
Utilizing
xanthan
gum,
a
biodegradable
polymer,
in
enhanced
oil
recovery
(EOR)
is
imperative
wherever
there
need
for
innovation
production
that
both
cost-effective
and
environmentally
friendly.
Xanthan,
chosen
its
natural
sourcing,
availability,
controllability,
eco-friendliness,
biodegradability,
proves
resilient
against
harsh
reservoir
conditions
owing
to
rigid
structure
elongated
polysaccharide
chains.
This
study
investigates
two
modified
gum
composites,
achieved
by
grafting
with
synthetic
vinyl
monomers
through
emulsified
polymerization.
Spectroscopic
characterization
using
FTIR
1
H-NMR,
along
surface
morphology
analysis
via
atomic
force
microscopy
(AFM)
thermal
behavior
screening
TGA
analysis,
elucidates
the
properties
of
these
composites.
Rheological
under
conditions,
including
stress
scanning
viscosity/shear
rate
dependency,
was
evaluated.
Material
modeling
Materials
Studio
program
simulated
equilibrium
adsorption
biopolymer
chains
on
SiO
2
-quartz
crystal
assess
wettability
alteration.
Simulation
results
indicate
XG-g-AM,
MMA&TEVS
exhibit
greater
stability
coverage
more
negative
electrostatic
energies
compared
XG
XG-g-AM&MMA.
The
laboratory
runs
sandstone-packed
model
identify
disclosed
XG-g-AM&MMA
biopolymers
as
promising
EOR
candidates
modifiers
challenging
sandstone
reservoirs,
per
experimental
outcomes.
Heliyon,
Год журнала:
2024,
Номер
10(3), С. e25432 - e25432
Опубликована: Янв. 29, 2024
In
this
study,
the
focus
was
to
produce
xanthan
gum
from
pineapple
waste
using
Xanthomonas
campestris.
Six
machine
learning
models
were
employed
optimize
fermentation
time
and
key
metabolic
stimulants
(KH2PO4
NH4NO3).
The
production
of
optimized
two
evolutionary
optimization
algorithms,
particle
swarm
optimization,
genetic
algorithm
while
importance
input
features
ranked
global
sensitivity
analysis.
KH2PO4
most
important
found
be
beneficial
for
production,
a
limited
amount
nitrogen
needed.
extreme
model
adequate
modeling
predicting
maximum
yield
10.34
g/l
(an
11.9
%
increase
over
control)
at
3
days,
15
g/l,
NH4NO3
2
g/l.
This
study
has
provided
insights
into
intelligent
biostimulated
process
valorizing
waste.
Frontiers in Built Environment,
Год журнала:
2025,
Номер
11
Опубликована: Фев. 11, 2025
Rammed
earth
(RE)
construction
has
gained
increasing
interest
in
recent
years
owing
to
sustainability
demands
the
industry
and
advancement
of
digital
fabrication
techniques.
However,
domination
cement-stabilized
RE
material
poses
environmental
concerns
due
substantial
carbon
emissions
associated
with
cement
production.
In
this
study,
bio-based
alternatives
are
investigated
through
evaluating
xanthan
gum
(XG)
animal
glue
(AG)
as
bio-binders
for
stabilization.
Unconfined
compressive
strength
tests
conducted
on
XG
AG-stabilized
specimens
mechanical
performance
evaluation,
unstabilized
samples
baseline
comparison.
Results
show
that
demonstrate
a
294%
improvement
over
RE,
reaching
6.86
MPa
at
28
days,
while
XG-stabilized
achieve
221%
improvement.
specimens,
however,
exhibit
susceptibility
microbial
proliferation.
The
findings
from
research
AG
have
potential
be
viable
mainstream
methods,
paving
way
advancing
environmentally
friendly
construction.
