IOP Conference Series Earth and Environmental Science,
Год журнала:
2023,
Номер
1215(1), С. 012017 - 012017
Опубликована: Июль 1, 2023
Abstract
Inhibitory
impact
of
Artemisia
herba-alba
extract
on
Klisinema
persicum
growth
was
investigated.
This
study
looked
at
the
effects
different
concentrations
A.
extracts
and
antioxidant
enzyme
(superoxide
dismutase
Catalase)
activity
K.
in
order
to
determine
optimal
dose
range
for
good
anti-algal
action.
Concentrations
were
used
(2.5,5,
10,
20,
40,80
160)
mg.
L
-1
as
well
control.
Results
showed
that
both
crude
extracted,
alcoholic
extract,
aqueous
had
an
obvious
inhibitory
effect
growth,
such
obtained
results
demonstrated
extracted
inhibited
algal
more
efficiently
than
.
investigation
found
a
10
with
above
50%
IR
crude,
extractand
best,
based
changes
cell
density
ratio
(IR).
Additionally,
after
4
days,
group
saw
significant
decline
Chlorophyll-a
concentration
enzymes
activity,
falling
below
detection
threshold.
Our
findings
may
pave
way
further
into
mechanisms
underlying
dangerous
algae,
which
turn
could
lead
creation
novel
materials.
Ecotoxicology and Environmental Safety,
Год журнала:
2025,
Номер
291, С. 117889 - 117889
Опубликована: Фев. 1, 2025
The
hormesis
effect
has
gradually
become
a
research
focus
in
environmental
science
and
toxicology
due
to
its
unique
phenomenon
of
low-concentration
stimulation
high-concentration
inhibition.
combined
toxicity
antibiotics
their
regulatory
effects
on
microorganisms
are
areas
that
warrant
significant
attention.
In
this
study,
doxycycline
hydrochloride
(DXC),
sulfamethoxazole
(SMX)
sulfamethazine
(SMZ)
were
used
as
the
objects,
Scenedesmus
obliquus
was
indicator
organism
study
action
laws
at
different
exposure
times
(4d
8d).
toxic
antibiotic
mixtures
with
comprehensively
evaluated
from
aspects
growth
inhibition,
photosynthesis
index
antioxidant
enzyme
activity.
results
showed
11
rays
produced
effect,
value
8th
day
greater
than
4th
day.
Through
prediction
toxicity,
it
found
type
intensity
affected
by
mixture
composition,
time
concentration.
Hormesis
is
caused
regulation
photosynthesis,
activation
defense
system,
gene
expression,
change
cell
membrane
permeability.
This
provides
theoretical
basis
for
understanding
effect.
