Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: April 8, 2024
Zinc
(Zn)
is
an
essential
trace
element
but
can
lead
to
water
contamination
and
ecological
deterioration
when
present
in
excessive
amounts.
Therefore,
investigating
the
photosynthetic
response
of
microalgae
Zn
stress
great
significance.
In
this
study,
we
assessed
responses
neutrophilic
Chlamydomonas
reinhardtii
acidophilic
sp.
1710
exposure
for
96
h.
The
specific
growth
rate
(μ),
chlorophyll-a
(Chl-a)
content,
chlorophyll
fluorescence
parameters
were
determined.
results
demonstrated
that
was
much
more
tolerant
than
C.
,
with
half-maximal
inhibitory
concentration
(IC50)
values
225.4
mg/L
23.4
mg/L,
respectively.
μ
Chl-a
content
decreased
presence
15
Zn,
whereas
those
unaffected
by
as
high
100
Zn.
Chlorophyll
indicated
regulation
energy
dissipation,
including
non-photochemical
quenching,
played
a
crucial
role
resistance
both
strains.
However,
case
quenching
inhibited
5
first
48
h,
1710,
it
remained
under
also
exhibited
20
times
stronger
capacity
regulating
electron
transfer
stress.
light
utilization
efficiency
(α)
had
most
highly
non-linear
correlation
μ,
indicating
process
well
protected
Collectively,
our
findings
demonstrate
photosystem
resilient
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(5)
Published: May 7, 2024
Abstract
The
growing
population
and
the
unpalatable
ecological
impact
of
exploration
utilization
fossil-based
fuels
have
resulted
in
increased
demand
for
biofuel
as
an
alternative
fuel
engines
power
generation.
global
biodiesel,
a
prominent
member
biofuels
family,
has
continued
to
increase
over
past
decades
with
researchers
devising
various
means
intensify
cost-effective
production.
use
metal
oxide
nanocatalysts
is
one
feasible
strategies
meet
quality
biodiesel.
This
study
reviews
recent
advances
deployment
commonly
used
nanoparticles
such
MgO,
CaO,
TiO
2
,
ZnO,
ZrO
accelerate
sustainable
biodiesel
Converting
conventional
heterogeneous
catalysts
into
enhances
surface
configuration,
chemical
thermal
stability,
porosity,
crystallinity
nanocatalysts.
hasten
transesterification
reaction,
reduces
reaction
temperature
time,
yield.
Biodiesel
synthesized
aid
impeccable
meets
international
standards.
Notwithstanding
few
challenges,
application
engenders
production
contributes
energy
security.
More
innovative
collaborative
studies
are
needed
reduce
ethical,
economic,
infrastructural,
environmental
consequences
usage
nanomaterials