Water,
Journal Year:
2022,
Volume and Issue:
14(24), P. 4046 - 4046
Published: Dec. 12, 2022
The
potential
of
microalgal
photobioreactors
in
removing
total
ammonia
nitrogen
(TAN),
chemical
oxygen
demand
(COD),
caffeine
(CAF),
and
N,N-diethyl-m-toluamide
(DEET)
from
synthetic
wastewater
was
studied.
Chlorella
vulgaris
achieved
maximum
removal
62.2%
TAN,
52.8%
COD,
62.7%
CAF,
51.8%
DEET.
By
mixing
C.
with
activated
sludge,
the
photobioreactor
showed
better
performance,
82.3%
67.7%
85.7%
73.3%
Proteobacteria,
Bacteroidetes,
Chloroflexi
were
identified
as
dominant
phyla
sludge.
processes
then
optimized
by
artificial
neural
network
(ANN).
High
R2
values
(>0.99)
low
mean
squared
errors
demonstrated
that
ANN
could
optimize
reactors’
performance.
toxicity
testing
high
concentrations
contaminants
(>10
mg/L)
long
contact
time
(>48
h)
reduced
chlorophyll
protein
contents
microalgae.
Overall,
a
green
technology
for
treatment
using
microalgae
bacteria
consortium
has
its
potentials
sustainable
management
water
resources.
Antibiotics,
Journal Year:
2025,
Volume and Issue:
14(4), P. 355 - 355
Published: March 31, 2025
Background:
Poultry
litter
is
the
main
waste
of
poultry
farming
and
widely
used
as
an
agricultural
fertilizer.
However,
owing
to
use
antimicrobials
in
animal
production,
it
can
accumulate
antimicrobial
residues,
antimicrobial-resistant
bacteria
(ARB),
resistance
genes
(ARGs).
This
study
aimed
evaluate
impact
on
microbiome
resistome
soils.
Methods:
Soil
samples
from
fertilized
unfertilized
plots
were
collected
two
horticultural
farms
that
intensively
litter.
Microbiome
composition
was
assessed
using
16S
rRNA
sequencing.
A
culture-dependent
method
isolate
resistant
strains
CHROMagar
plates
supplemented
with
sulfamethoxazole
or
ciprofloxacin.
ARGs
integrase-encoding
identified
by
PCR.
Results:
analysis
revealed
significant
differences
structure
between
litter-fertilized
Fertilized
soils
exhibited
greater
alpha
diversity
richness.
Bacillota,
commonly
found
avian
gastrointestinal
tract,
more
abundant
total
62
isolated,
23
clinically
relevant
harbored
ARGs,
including
fluoroquinolone
(qnrA
qnrB)
β-lactam
(blaGES,
blaTEM,
blaSHV)
genes.
Class
1
2
integron-associated
(intI1
intI2)
also
detected.
Notably,
rare
blaGES
gene
detected
Bacillus
sp.
soil.
Similarly,
qnrA
co-occurred
blaSHV
a
Bosea
strain
Conclusions:
These
findings
highlight
potential
for
ARB
dissemination
environments,
where
once
introduced
into
soils,
may
spread
weathering
other
environmental
factors,
complicating
negative
control
selection
situ
studies.
Water,
Journal Year:
2022,
Volume and Issue:
14(24), P. 4046 - 4046
Published: Dec. 12, 2022
The
potential
of
microalgal
photobioreactors
in
removing
total
ammonia
nitrogen
(TAN),
chemical
oxygen
demand
(COD),
caffeine
(CAF),
and
N,N-diethyl-m-toluamide
(DEET)
from
synthetic
wastewater
was
studied.
Chlorella
vulgaris
achieved
maximum
removal
62.2%
TAN,
52.8%
COD,
62.7%
CAF,
51.8%
DEET.
By
mixing
C.
with
activated
sludge,
the
photobioreactor
showed
better
performance,
82.3%
67.7%
85.7%
73.3%
Proteobacteria,
Bacteroidetes,
Chloroflexi
were
identified
as
dominant
phyla
sludge.
processes
then
optimized
by
artificial
neural
network
(ANN).
High
R2
values
(>0.99)
low
mean
squared
errors
demonstrated
that
ANN
could
optimize
reactors’
performance.
toxicity
testing
high
concentrations
contaminants
(>10
mg/L)
long
contact
time
(>48
h)
reduced
chlorophyll
protein
contents
microalgae.
Overall,
a
green
technology
for
treatment
using
microalgae
bacteria
consortium
has
its
potentials
sustainable
management
water
resources.
