Water Science & Technology,
Journal Year:
2023,
Volume and Issue:
88(12), P. 3095 - 3109
Published: Dec. 8, 2023
Abstract
The
hexachlorocyclohexane
isomers
(HCH)
are
long-banned
pesticides.
Even
though
their
use
has
been
prohibited
for
decades,
presence
in
the
environment
is
still
reported
worldwide.
Wetland
+
a
registered
trademark
of
remedial
treatment
technology
consisting
an
aerobic
sedimentary
tank,
permeable
reactive
barrier,
biosorption
system,
and
wetland.
This
proven
method
combines
reductive
known
from
PRBs
with
natural
wetland
self-cleaning
processes.
average
efficiency
system
96.8%
chlorobenzenes
(ClB)
81.7%
HCH,
during
first
12
months
operation.
genes
encoding
enzymes
involved
degradation
HCH
compounds
indicates
that
removal
ClB
occurs
not
only
by
chemical
but
also
through
anaerobic
combining
biodegradation.
Changes
abundance
composition
diatom
community
were
found
to
be
suitable
indicators
water
quality
impact
operation
on
ecosystem.
system's
annual
exhibited
markedly
higher
number
species
closing
profiles
Ostrovský
Creek,
effluent
recipient.
Emerging contaminants,
Journal Year:
2022,
Volume and Issue:
8, P. 195 - 205
Published: Jan. 1, 2022
Water
pollution
is
a
significant
problem
in
almost
all
parts
of
the
world.
The
complexity
anthropogenic
activities
along
watershed
seems
to
lead
river
function
as
giant
disposal
container.
under
threat
degradation,
mainly
due
heavy
metal
from
actions.
Heavy
metals
become
harmful
if
they
pollute
waters
since
are
accumulative,
toxic,
and
carcinogenic
water
bodies
biota.
Various
biomarkers
evaluate
contamination
several
aquatic
organisms
have
been
widely
reported.
use
molecular
more
popular
last
years
still
for
future
prospect.
Proteomics
genomics
with
bioinformatics
approaches
expanded
technological
methods
through
DNA
RNA
sequencing
mass
spectrometry
based
proteomics.
Therefore,
this
article
aims
review
studies
using
biomarker
many
organisms.
This
expected
reference
encourage
research,
especially
monitoring
rivers.
Materials,
Journal Year:
2021,
Volume and Issue:
14(9), P. 2134 - 2134
Published: April 22, 2021
Contamination
of
water
by
heavy
metals
is
a
major
environmental
concern
due
to
the
potential
ecological
impact
on
human
health
and
aquatic
ecosystems.
In
this
work,
we
studied
chemical
modification
various
fruit
peels
such
as
banana
(BP),
granadilla
(GP),
orange
ones
(OP)
in
order
obtain
novel
bio-adsorbents
improve
removal
Zn(II)
ions
from
50
mg·L−1
synthetic
aqueous
solutions.
For
purpose,
sodium
hydroxide
calcium
acetate
were
employed
modify
peels.
The
moisture,
extractives,
lignin,
hemicellulose,
cellulose
contents
raw
materials
determined
according
ASTM
standards.
obtained
characterized
scanning
electron
microscopy
(SEM),
Fourier
Transform
Infrared
Spectroscopy
(FTIR)
thermogravimetric
analysis
(TGA).
results
showed
OP
performed
better,
especially
when
concentration
modifier
solutions
increased,
e.g.,
particles
modified
using
0.8
M
NaOH
Ca(CH3COO)2
resulted
97%
contaminating
reached
maximum
adsorption
capacity
27.5
mg
Zn
per
gram
bio-adsorbent.
processes
found
follow
pseudo-second
model.
error
function
sum
square
indicated
Freundlich
isotherm
(non-linear
regression)
best
fit
are
particularly
interesting
for
material
selection
wastewater
treatment
technologies
based
contaminant
adsorption.
Bioresource Technology,
Journal Year:
2021,
Volume and Issue:
344, P. 126250 - 126250
Published: Oct. 30, 2021
The
myriad
health
benefits
associated
with
eicosapentaenoic
acid
(EPA)
and
docosahexaenoic
(DHA)
laid
the
path
for
their
application
in
functional
foods
nutraceutical
industries.
Fish
being
primarily
exploited
extraction
of
EPA
DHA
are
unsustainable
sources;
thus,
oleaginous
microalgae
turn
out
to
be
an
alternative
sustainable
source.
This
review
paper
aims
provide
recent
developments
context
enhancing
production
by
utilising
non-genetic
tailoring
genetic
methods.
We
have
also
summarized
legislation,
public
perception,
possible
risks
usage
genetically
modified
focusing
on
production.
Ecotoxicology and Environmental Safety,
Journal Year:
2022,
Volume and Issue:
241, P. 113732 - 113732
Published: June 6, 2022
The
indiscriminate
use
of
deltamethrin
in
agriculture
and
aquaculture
can
lead
to
residues
increased
many
regions,
which
poses
negative
impacts
on
intestinal
health
aquatic
organisms.
Although
the
potential
toxicity
have
recently
attracted
attention,
comprehensive
studies
injuries
after
chronic
exposure
remain
poorly
understood.
Herein,
a
28-day
test,
crucian
carp
expose
different
concentrations
(0,
0.3,
0.6
μg/L)
were
used
as
research
object.
We
found
that
morphology
changes
goblet
cells
tissue,
extent
tissue
injury
along
with
increasing
dose
deltamethrin.
Additionally,
genes
expression
antioxidant
activity
(Cu/Zn
superoxide
dismutase
(Cu-Zn
SOD),
glutathione
peroxidase
1
(GPX1),
catalase
(CAT)),
inflammatory
response
(tumor
necrosis
factor
alpha
(TNFα),
interferon
gamma
(IFNγ),
interleukin
beta
(IL-1β)),
tight
junctions
(Claudin
12
(CLDN12),
junction
protein
(ZO-1))
dramatically
increased.
Meanwhile,
apoptosis
autophagy
process
triggered
through
caspase-9
cascade
related
5
(ATG5)-
(ATG12)
conjugate.
Besides,
amount
Proteobacteria
Verrucomicrobiota,
while
decreased
Fusobacteriota
abundance,
resulting
microbiota
function
disorders.
In
summary,
our
results
highlight
cause
serious
physiological
flora
disturbances.
Foods,
Journal Year:
2025,
Volume and Issue:
14(2), P. 223 - 223
Published: Jan. 13, 2025
Common
carp
(Cyprinus
carpio)
is
extensively
cultured
and
widely
consumed
in
Heilongjiang
Province,
China.
Due
to
the
proximity
of
freshwater
ponds
agricultural
cultivated
areas,
these
aquatic
systems
are
inevitably
influenced
by
historical
application
organochlorine
pesticides
(OCPs),
due
their
prolonged
half-life
resistance
degradation.
Gas
chromatography-tandem
mass
spectrometry
(GC-MS/MS)
was
utilized
quantify
levels
hexachlorocyclohexane
(HCHs)
dichlorodiphenyltrichloroethane
(DDTs)
muscle
tissue
common
carp.
This
study
examined
enrichment
characteristics
HCHs
DDTs
fish
muscle,
as
well
correlation
with
sediment
associated
risk
assessments.
The
results
showed
that
residual
ranged
from
0.387
μg·kg−1
3.418
0.114
0.420
μg·kg−1,
respectively.
They
were
all
below
maximum
residue
limits
specified
GB
2763-2021
(HCHs:
100
DDTs:
500
μg·kg−1).
concentrations
found
be
lower
than
those
tissue.
Notably,
higher
both
sediment.
Among
HCHs,
γ-HCH
predominant
substance,
contributing
a
significant
proportion
42.16%
86.47%.
No
residues
DDT
derivatives
detected.
A
observed
between
present
(p
<
0.01).
health
assessment
indicated
carcinogenic
non-carcinogenic
risks
OCPs
within
acceptable
limits.
Therefore,
it
recommended
regulate
consumption
during
breeding
period.
