Bioremediation of Synthetic Wastewater with Contaminants of Emerging Concern by Nannochloropsis sp. and Lipid Production: A Circular Approach
Bioengineering,
Год журнала:
2025,
Номер
12(3), С. 246 - 246
Опубликована: Фев. 28, 2025
Contaminants
of
emerging
concern
(CECs)
pose
a
potential
risk
to
human
and
environmental
health.
Microalgae
bioremediation
is
promising
approach
for
transforming
or
removing
contaminants
from
the
environment,
while
contributing
circular
economy.
In
this
study,
Nannochloropsis
sp.
was
effectively
used
simultaneous
removal
six
CECs:
paracetamol,
ibuprofen,
imidacloprid,
methylparaben
bisphenol
A
at
10
µg
mL−1
triclosan
0.5
synthetic
wastewater,
which
were
able
survive
under
such
concentrations,
higher
than
those
commonly
found
in
environment
(up
2.82
methylparaben).
High
efficiencies
reached
(100%)
(93
±
2%),
paracetamol
30
1%,
64
2%
49
5%
removed,
respectively.
Subsequently,
lipids
extracted,
FAME
profile
characterised
using
GS-MS.
The
main
fatty
acids
identified
after
hexadecadienoic
acid
isomers
(C16:2),
palmitic
(C16),
linoleic
(C18:2)
γ-linolenic
(C18:3).
absence
oleic
stearic
noticed,
suggesting
an
alteration
lipidic
due
contaminant
exposure.
By
exploring
quantification
future
work,
applications
extracted
can
be
explored,
further
demonstrating
feasibility
process.
Язык: Английский
Biodegradation of Xenoestrogens by the Green Tide Forming Seaweed Ulva: A Model System for Bioremediation
Justus Hardegen,
Maximilian S. F. Knips,
Johanna K. Däumer
и другие.
ACS ES&T Water,
Год журнала:
2025,
Номер
5(3), С. 1195 - 1206
Опубликована: Март 5, 2025
Anthropogenic
xenoestrogens
pose
serious
threats
to
humans
and
the
environment.
Ulva
(Chlorophyta),
a
green
macroalga
that
can
propagate
in
environments
of
various
salinities,
is
potential
candidate
for
efficient
wastewater
treatment
bioremediation.
In
this
study,
we
tested
class
bisphenols
ethinylestradiol
investigated
underlying
removal
mechanisms
these
xenoestrogens.
The
model
organism
mutabilis
demonstrated
over
99%
efficiency
A,
B,
E,
F,
P,
Z,
partial
bisphenol
S.
showed
complete
capabilities
even
under
axenic
conditions,
while
its
associated
bacteria
were
not
involved.
Complete
6.6
mg
L-1
A
was
achieved
within
2
days
half-time
1.85
h.
Biodegradation
leading
cause
removal,
whereas
bioaccumulation
minimal.
substance
underwent
reactions,
20
transformation
products
detected
using
stable
isotope
labeling.
While
most
completely
biodegraded,
primary
monobromobisphenol
bisulfate,
4-hydroxypropanylphenol.
This
study
highlights
seaweed
provide
pathway
more
effective
sustainable
bioremediation
strategies
tackle
environmental
pollution
caused
by
Язык: Английский