Protein
in
fish
feed
is
one
of
the
most
important
nutrients
for
healthy
growth
and
development
fish.
sources
are
divided
into
two
main
groups:
animal
plant.
Animal
proteins
high
quality
contain
all
amino
acids
that
need.
Vegetable
proteins,
on
other
hand,
cheaper
sustainable.
Historically,
meal
oil
were
given
to
both
carnivorous
herbivorous
when
they
juveniles
meet
their
protein
needs.
However,
due
excessive
use,
sustainability
concerns
have
arisen,
alternative
begun
be
investigated.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 30, 2024
Microplastics
(MPs)
are
newly
recognized
contaminants
that
result
from
the
breakdown
of
plastics
released
into
aquatic
environments.
This
study
focuses
on
elimination
polystyrene
(PS)
using
S.
platensis,
a
natural
biocoagulant,
aqueous
solutions.
The
research
investigated
several
crucial
variables,
including
initial
level
PS
ranging
100
to
900
mg
L
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 2, 2025
Microplastics
(MPs)
are
emerging
pollutants
that
pose
significant
risks
to
ecosystems
due
their
inherent
toxicity,
capacity
accumulate
various
pollutants,
and
potential
for
synergistic
impacts.
Given
these
concerns,
the
focus
of
this
research
is
on
critical
need
effective
MPs
removal
from
aquatic
environments.
Using
BBD
method,
study
aimed
identify
key
parameters
affecting
by
algal
biomass
aqueous
solutions.
The
investigation
specifically
analyzed
effects
varying
initial
PS
concentrations
(100
900
mg/L),
pH
values
(4
10),
reaction
durations
(20
40
min),
C.
vulgaris
dosages
(50
400
mg/L).
Data
analysis
indicated
QM
best
described
experimental
findings,
leading
identification
optimal
conditions
removal:
a
7.5,
time
31.90
min,
dosage
274.05
mg/L,
level
789.37
mg/L.
Under
conditions,
achieved
maximum
efficiency
73.01%
PS.
These
outcomes
demonstrate
in
efficiently
removing
water.
Furthermore,
using
algae
as
green,
eco-friendly
alternative
conventional
chemical
coagulants
offers
practical
sustainable
approach
addressing
pollution
our
water
systems.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Oct. 20, 2023
Abstract
Microplastics
(MPs),
as
carriers
of
organic
pollutants
in
the
environment,
have
become
a
growing
public
concern
recent
years.
Tetracycline
(TTC)
is
an
antibiotic
that
can
be
absorbed
by
MPs
and
harmful
effect
on
human
health.
Therefore,
this
study
was
conducted
with
aim
investigating
adsorption
rate
TTC
onto
polyvinyl
chloride
(PVC)
MPs.
In
addition,
mechanism
process
studied
using
isothermal,
kinetic,
thermodynamic
models.
For
purpose,
experimental
runs
Box-Behnken
model
were
designed
to
investigate
main
research
parameters,
including
PVC
dose
(0.5–2
g/L),
reaction
time
(5–55
min),
initial
concentration
(5–15
mg/L),
pH
(4–10).
Based
findings,
highest
(93.23%)
obtained
at
10,
contact
55
min,
adsorbent
1.25
g/L,
10
mg/L.
The
found
followed
pseudo-second-order
Langmuir
Thermodynamic
data
indicated
spontaneous,
exothermic,
physical.
Increasing
ion
decreased
adsorption,
distilled
water
had
while
municipal
wastewater
lowest
adsorption.
These
findings
provide
valuable
insights
into
behavior
pollutants,
underscoring
importance
conducting
additional
implementing
measures
mitigate
their
detrimental
effects
health
environment.
Applied Water Science,
Journal Year:
2023,
Volume and Issue:
13(8)
Published: July 26, 2023
Abstract
MPs
are
widely
found
in
various
environments.
PS
is
the
second
most
common
microplastic
sediments,
freshwater,
soil,
and
coastal
ecosystems.
S.
cerevisiae
was
studied
as
a
biocoagulant
due
to
its
advantages
such
ease
of
use,
non-toxicity,
large-scale
cultivability
low
cost.
The
aim
this
study
evaluate
efficiency
removing
from
aqueous
solutions.
BBD
used
determine
optimal
removal
conditions.
were
washed,
dried,
crushed,
sieved,
kept
closed
container
avoid
exposure
light
moisture.
measured
under
parameters
dose
(100–300
mg/L),
concentration
(200–900
pH
(4–10).
suspension
stirred
subjected
variable
speeds
disperse
yeast
cells
contact
with
particles.
formed
clots
settled
static
conditions,
suspended
solution
by
filtering
through
Whatman
filter
paper
recording
weight
after
drying.
maximum
98.81%
optimized
i.e.,
550
mg/L,
200
7.
With
regard
mentioned
results,
it
can
be
said
that
natural
environmentally
friendly
remove
PS.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(12), P. e32881 - e32881
Published: June 1, 2024
Microplastics
(MPs)
are
emerging
contaminants
that
have
harmful
effects
on
ecosystems.
Microalgae
important
primary
producers
in
aquatic
environments,
providing
nutrients
for
various
organisms.
These
microorganisms
may
be
affected
by
MPs.
Therefore,
it
is
to
investigate
the
toxicity
aspects
of
different
MPs
Chlorella
species.
It
can
seen
BG-11
culture
medium
was
most
commonly
used
40
%
studies
growth
sp.
grows
optimally
at
a
temperature
25
°C
and
pH
7.
Most
show
grow
range
3000–6000
lux.
Moreover,
techniques
been
analyze
morphological
properties
studies.
included
scanning
electron
microscopy
(SEM),
Fourier
transform
infrared
(FTIR),
transmission
(TEM),
which
were
65
%,
35
27
studies,
respectively.
53
research
has
focused
toxic
PS
Findings
41
investigated
concentrations
10–100
mg/L,
followed
32
100–1000
mg/L.
The
found
spherical
shape
45
cases.
enzymes
superoxide
dismutase
(SOD)
Malondialdehyde
(MDA),
accounting
48
each.
Additionally,
exposure
increased
activity
such
as
SOD
MDA.
In
general,
concluded
had
relatively
high
negative
effect
Applied Water Science,
Journal Year:
2024,
Volume and Issue:
14(7)
Published: June 5, 2024
Abstract
MPs
have
raised
significant
public
concern
due
to
their
role
as
carriers
of
organic
contaminants
in
aqueous
solutions.
DZN
is
a
non-systemic
organophosphorus
pesticide
that
poses
risks
human
and
environmental
health.
This
study
aimed
investigate
the
adsorption
onto
PE
by
examining
factors
such
dose,
reaction
time,
concentration,
pH
through
experimental
runs
based
on
Box‒Behnken
model.
According
Langmuir
model,
maximum
capacity
for
was
0.35
mg/g.
The
results
indicated
highest
rate
(92%)
observed
distilled
water,
while
lowest
(57%)
municipal
wastewater.
Δ
H
°
S
values
were
obtained
−
0.16
kJ/mol
54.41
J/(mol
K),
respectively.
Therefore,
regarding
negative
G
values,
it
can
be
concluded
an
exothermic,
highly
disordered,
spontaneous
process.
findings
indicate
reduction
concentrations
interfering
compounds
increase.
These
offer
understanding
interaction
between
contaminants,
emphasizing
need
further
studies
approaches
reduce
harmful
impact
health
environment.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(11), P. e22338 - e22338
Published: Nov. 1, 2023
Polyethylene
(PE)
microplastics
(MPs)
are
small
particles
of
plastic
made
from
polyethylene,
which
is
a
commonly
used
type
plastic.
These
can
be
found
in
water
sources,
such
as
rivers,
lakes,
and
oceans.
They
typically
less
than
5
mm
size.
Chlorella
vulgaris
(C.
vulgaris)
an
excellent,
simple
inexpensive
biocoagulant
that
effectively
remove
wide
range
pollutants
through
the
coagulation
flocculation
mechanism.
In
this
study,
C.
algae
were
to
PE
MPs.
The
experiments
designed
using
Behnken
Box
model.
evaluated
parameters
initial
concentration
(100-400
mg/L),
dose
(50-200),
pH
(4-10).
findings
showed
increasing
polyethylene
had
positive
effect
on
efficiency
removal.
addition,
inversely
directly
related
removal
efficiency,
respectively.
highest
was
observed
under
alkaline
conditions.
Overall,
maximum
84
%
when
250
mg/L,
50
10.
It
concluded
environmentally
friendly
coagulant
for
removing
MPs
aquatic
environments.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Sept. 5, 2023
Metronidazole
(MNZ)
is
an
extensively
used
antibiotic
against
bacterial
infections
for
humans
and
farm
animals.
Prevention
of
antibiotics
discharge
essential
to
prevent
adverse
environmental
health
impacts.
A
member
metal-organic
frameworks,
zeolite
imidazole
framework-67
with
cobalt
sulfate
precursor
(ZIF-67-SO4)
exceptional
physio-chemical
properties
was
prepared
via
room
temperature
precipitation
adsorb
MNZ.
The
study
framework
designed
by
Box-Behnken
Design
evaluate
the
effect
pH,
ZIF-67-SO4
dose,
contact
time
on
adsorption
efficiency.
polynomial
model
fitted
system
indicated
optimal
condition
97%
MNZ
removal
occurs
at
pH
=
7,
adsorbent
dosage
1
g/L,
mixing
60
min.
also
revealed
that
increased
decreased
strong
pH.
Equilibrium
kinetic
followed
intra-particle
diffusion
Langmuir
isotherm
a
qmax
63.03
mg/g.
insignificant
loss
in
efficacy
use-reuse
cycles
reflected
practical
viability
ZIF-67-SO4.