Microalga-semiconductor
hybrids
for
solar-to-biomass
conversion,
which
integrate
microalgal
photosynthesis
with
the
high
efficiency
of
light
capture
abilities
semiconductors,
have
become
a
promising
technology
promoting
CO2
fixation.
Here,
we
constructed
by
using
SiC
nanoparticles
(NPs)
and
microalga
Chlorella
sorokiniana,
tested
cell
growth,
chlorophyll
fluorescence,
changes
in
extracellular
morphology
structure,
absorption
spectroscopy
photo-electrochemistry.
The
results
showed
that
hybrid
systems
NPs
5
~
40
mg
L-1
ATP
content
ATPase
activity,
absorptivity
electron
transfer
rate
were
promoted
significantly,
45%
35%
increase
maximal
biomass
lipid
yields,
respectively,
10
added.
It
suggested
can
promote
transferring
photogenerated
electrons
into
chain,
expanding
photoenergy
enhancing
intracellular
transfer.
Applied Microbiology and Biotechnology,
Год журнала:
2024,
Номер
108(1)
Опубликована: Янв. 10, 2024
Abstract
Chromochloris
zofingiensis
is
a
potential
source
of
natural
astaxanthin;
however,
its
rapid
growth
and
astaxanthin
enrichment
cannot
be
achieved
simultaneously.
This
study
established
autotrophic,
mixotrophic,
heterotrophic
preculture
patterns
to
assess
their
ameliorative
effect
on
the
C.
state.
In
comparison,
mixotrophic
(MP)
exhibited
best
improving
biomass
concentration
(up
121.5
g
L
−1
)
in
20
fermenter,
reaching
global
leading
level.
The
productivity
111
mg
day
,
7.4-fold
higher
than
record.
transcriptome
13
C
tracer-based
metabolic
flux
analysis
were
used
for
mechanism
inquiry.
results
revealed
that
MP
promoted
carotenoid
lipid
synthesis,
supported
synthesis
preference
low
unsaturated
fatty
acids
represented
by
C18:1
C16:0.
group
maintained
via
mastering
balance
between
increasing
glucose
metabolism
inhibition
synthesis.
strategy
optimized
physiological
state
realized
high-density
an
excellent
yield
pilot
scale.
exhibits
great
application
microalgae-related
industry.
Key
points
•
Preculture
strategies
changed
carbon
gene
expression
culture
with
fed-batch
(FBC)
Astaxanthin
0.111
FBC
Graphical
Plants,
Год журнала:
2025,
Номер
14(7), С. 1010 - 1010
Опубликована: Март 24, 2025
This
study
aimed
to
evaluate
the
impact
of
a
more
cost-efficient
strigolactone
mimic
SL-6
on
Chlorella
sorokiniana
NIVA-CHL
176
growth
in
comparison
with
analog
GR24
and
plant
biostimulant
functions
microalgal
extracts.
Three
molar
concentrations
were
tested:
10-7
M,
10-8
10-9
respectively.
Five
parameters
assessed:
optical
density,
turbidity,
biomass
production,
chlorophyll
fluorescence,
pigment
concentration.
Results
after
15
days
culturing
revealed
that
treatments
significantly
enhanced
production
(13.53%
at
M),
synthesis,
photosystem
II
activity
(14.38%
M).
The
highest
increases
pigments
induced
by
15.7%
for
(at
M
SL-6),
12.87%
b
2.3%
carotenoids
10.78%
total
SL-6)
per
gram
compared
solvent
control
(DMSO).
Higher
doses
(10-7
M)
inhibited
growth,
reducing
cell
synthesis.
extracts
acted
as
biostimulants,
stimulating
root
shoot
elongation
proton
pump
functioning
mung
seedlings
presence
absence
salt
stress.
from
biostimulated
C.
active
biostimulants
than
non-stimulated
sorokiniana.
Academia green energy.,
Год журнала:
2025,
Номер
2(1)
Опубликована: Март 31, 2025
The
urgent
shift
to
a
sustainable
bio-based
economy
underscores
the
importance
of
multi-product
biorefineries,
which
transform
biomass
into
biofuels,
biochemicals,
and
materials.
Despite
progress,
challenges
like
high
costs,
technical
barriers
in
processing,
market
uncertainties
limit
their
widespread
adoption.
While
prior
studies
have
explored
single-product
comprehensive
analysis
integrated
systems—focusing
on
efficiency,
product
diversity,
sustainability—remains
underexplored.
This
study
addresses
this
gap
by
examining
advancements
lignocellulosic
biomass,
algal
resources,
agricultural
residues,
municipal
solid
waste
utilization,
alongside
innovations
biochemical,
thermochemical,
hybrid
conversion
technologies.
Objectives
include
assessing
feedstock
versatility,
efficiencies,
economic
viability,
environmental
impacts.
Key
findings
reveal
enhanced
yields
through
enzyme
microbial
engineering,
catalytic
upgrades,
AI-driven
optimization,
with
life
cycle
assessments
showing
significant
greenhouse
gas
reductions.
Economically,
diversification
lowers
yet
capital
investment
volatility
persist
as
hurdles.
concludes
that
biorefineries
are
vital
for
energy
security
climate
goals,
integrating
well
renewable
circular
principles.
Future
research
should
prioritize
scalable,
modular
designs
adaptable
regional
contexts,
supported
robust
policies
ensure
success.
