Microbial Nanotechnology for Precision Nanobiosynthesis: Innovations, Current Opportunities and Future Perspectives for Industrial Sustainability
Current Microbiology,
Год журнала:
2024,
Номер
81(8)
Опубликована: Июль 1, 2024
Язык: Английский
Red Light Enhanced Nitrogen Removal Efficiency by Bacterial-Algae Biofilm Reactor in Recirculating Aquaculture Systems
Опубликована: Янв. 1, 2025
With
the
increasing
application
of
Recirculating
Aquaculture
Systems
(RAS)
in
modern
aquaculture
production,
importance
water
quality
management
has
gained
significant
attention.
To
investigate
impact
light
wavelengths
on
nitrogen
removal
efficiency
Bacteria-Algae
Biofilm
Reactor
(BABR),
four
RAS
were
built.
Each
was
exposed
to
different
forms
red
(400–500
nm),
blue
(600-700
red-blue
mixed
(1:1
ratio),
and
white
(400-700nm).
The
results
indicated
that
significantly
improved
comparing
light.
When
exposing
light,
as
carbon-to-nitrogen
ratio
increased
from
1:1
2:1,
concentrations
for
ammonia
nitrite
reduced
1.17±0.25
mg/L
0.73±0.31
0.21±0.14
0.05±0.01
mg/L.
Red
up-regulated
abundance
genes
related
photosynthesis
metabolism.
This
research
provided
a
theoretical
basis
technical
reference
efficient
by
BABR.
Язык: Английский
Textile dye removal using diatomite nanocomposites: a metagenomic study in photosynthetic microalgae-assisted microbial fuel cells
RSC Advances,
Год журнала:
2025,
Номер
15(11), С. 8300 - 8314
Опубликована: Янв. 1, 2025
In
this
study,
Coomassie
brilliant
blue
(CBB),
green
(BG),
and
rhodamine
(Rh)
dyes
were
used
to
simulate
dye-rich
wastewater.
Adsorption
degradation
of
these
(2
μM,
10
30
μM)
on
diatomite
(DE)
evaluated
under
light
(L)
dark
(D)
conditions.
The
adsorption
dye-DE
composites
followed
pseudo-second-order
kinetics
at
all
concentrations
conditions
had
R
2
>
0.99,
thus
showing
a
good
fit.
calculated
equilibrium
amount
q
e,(cal)
was
coherent
with
the
value
experimental
e,(exp).
poorest
photocatalysis
occurred
prompting
functionalization
TiO2
Fe3O4
nanoparticles
(NP(s)).
highest
dye
efficiencies
(DGeff)
for
μM
86.79%
(CBB-DE-Fe3O4,
72
h),
96.10%
(BG-DE-TiO2,
52
81.74%
(Rh-DE-TiO2,
48
Rh-DE-TiO2
fastest
degradation.
Functionalized
DE-dye
(30
nanocomposites
further
tested
in
photosynthetic
microalgae-assisted
microbial
fuel
cell
dye-simulated
wastewater
anode
(PMA-MFC-1
CBB-DE-Fe3O4,
PMA-MFC-2
BG-DE-TiO2
PMA-MFC-3
Rh-DE-TiO2)
Asterarcys
sp.
GA4
microalgae
cathode.
chambers,
achieved
DGeff
Rh
as
88.23%
polarization
density
30.06
mW
m-2,
outperforming
BG
PMA-MFC-1
CBB
dye.
molecular
identifier
analysis
microbes
showed
dominance
Sphingobacteria
Proteobacteria
(Rh-DE-TiO2)
COD
removal
61.36%,
highlighting
its
potential
efficient
bioelectricity
generation.
Furthermore,
simultaneously
demonstrated
superior
microalgal
lipid
yield
3.42
μg
g-1
an
algal
growth
8.19
Язык: Английский
Effect of physicochemical parameters on the growth of two microalgae strains, the Chlorella vulgaris and Skeletonema costatum isolated from different sites in the nador lagoon
Biocatalysis and Agricultural Biotechnology,
Год журнала:
2024,
Номер
57, С. 103088 - 103088
Опубликована: Март 3, 2024
Язык: Английский
Binding Strength and Transport Kinetics of Organic Dyes into Different Live Diatoms Using Second Harmonic Scattering Spectroscopy
ACS Applied Bio Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 10, 2024
Dye-contaminated
wastewater
poses
serious
environmental
risks
to
ecosystems
and
human
health.
Diatoms,
algae
with
nanoporous
frustules
(cell
walls),
offer
promising
potential
for
remediation
due
their
high
surface
area
adsorption
properties.
While
dead
diatom
biomass
is
well-studied
biosorption,
research
on
living
diatoms'
bioaccumulation
biotransformation
limited,
gaps
in
kinetic
equilibrium
modeling
of
dye
adsorption.
Here,
we
analyzed
the
crystal
violet
(CV)
onto
Phaeodactylum
tricornutum
(P-cell)
Navicula
cryptocephala
var.
veneta
(N-cell)
diatoms
by
characterizing
physiochemical
properties
species'
outer
surfaces
monitoring
CV
using
surface-specific
second
harmonic
scattering
(SHS)
spectroscopy.
Direct
adsorption,
rather
than
its
removal
from
solution,
enables
a
more
accurate
investigation
kinetics
thermodynamics,
revealing
strong
correlations
cell
structure
composition.
We
found
that
N-cell
has
greater
capacity
P-cell,
though
slightly
less
favorable
free
energy.
Ionic
strength
could
impact
uptake
capacities,
likely
competition
between
metal
cations
cation
as
well
screening.
SHS
experiments
revealed
simple
process
N-cells,
while
P-cells
exhibited
multistep
involving
transport
through
thinner,
nonporous
walls
plasmic
membrane,
contributing
The
thicker,
porous
N-cells
provided
sites,
increasing
capacity,
facilitated
deeper
uptake.
had
only
significant
effect
not
energy,
reflecting
intricacies
govern
organisms.
comprehensive
analysis
presented
herein
demonstrates
great
be
used
biosorbents
provides
systematic
relationships
function
walls,
which
will
inform
use
tailored
species
efficient
remediation.
Язык: Английский