Water,
Journal Year:
2023,
Volume and Issue:
15(20), P. 3703 - 3703
Published: Oct. 23, 2023
The
modification
of
pristine
biochar
derived
from
the
waste
sweet
prickly
pear
using
green
method
to
produce
nano-sized
(nanobiochar)
for
removal
steroidal
hormones
and
heavy
metals
water
wastewater
is
reported
in
this
study.
Based
on
characterisation
results
FTIR,
Raman
spectroscopy,
XPS,
material
had
(COOH),
(C=O),
(OH)
functional
groups
typical
graphitic
amorphous
carbon.
SEM-EDS
XRD
showed
that
was
mesoporous
nature.
BET
analysis
revealed
surface
area
significantly
increased
220.1
m2/g
354.6
after
biochar.
TGA-DSC
results,
thermally
stable
up
550
°C.
A
complete
factorial
experimental
design
Minitab
21
Statistical
Software
(version
18.1)
employed
optimise
adsorption
conditions.
F-values
p-values
lack-of-fit
model
acceptability
significance
ANOVA
model.
Freundlich
isotherm
found
provide
a
better
fit
steroid
data
than
Langmuir
isotherm,
with
moderate
values
R2
≥
0.92
0.95
Freundlich,
as
well
maximum
capacities
14.53
mg/g,
10.58
12.50
5.73
5.63
9.75
mg/g
obtained
estriol,
α-oestradiol,
β-oestradiol,
testosterone,
progesterone,
bisphenol
A.
were
lower
metal
adsorption,
8.58
4.15
6.95
nickel,
cadmium,
lead,
respectively.
percentage
effluents
influents
between
84–89%
78–86%
metals,
highest
90–95%
spiked
ultrapure
both
metals.
exhibited
60%
first
four
cycles.
Journal of Xenobiotics,
Journal Year:
2024,
Volume and Issue:
14(4), P. 1465 - 1518
Published: Oct. 15, 2024
Medicines
are
pharmaceutical
substances
used
to
treat,
prevent,
or
relieve
symptoms
of
different
diseases
in
animals
and
humans.
However,
their
large-scale
production
use
worldwide
cause
release
the
environment.
Pharmaceutical
molecules
currently
considered
emerging
pollutants
that
enter
water
bodies
due
inadequate
management,
affecting
quality
generating
adverse
effects
on
aquatic
organisms.
Hence,
alternatives
for
pharmaceuticals
removal
from
have
been
sought;
among
them,
agro-industrial
wastes
has
proposed,
mainly
because
its
high
availability
low
cost.
This
review
highlights
ecotoxicological
related
presence
environments
analyzes
94
investigations,
2012
2024,
17
antibiotics,
highlighting
sulfamethoxazole
as
most
reported,
well
6
non-steroidal
anti-inflammatory
drugs
(NSAIDs)
such
diclofenac
ibuprofen,
27
with
pharmacological
activities.
The
these
was
evaluated
using
wheat
straw,
mung
bean
husk,
bagasse,
bamboo,
olive
stones,
rice
pinewood,
others.
On
average,
60%
were
transformed
into
biochar
be
a
biosorbents
removal.
diversity
experimental
conditions
studies
makes
it
difficult
stablish
which
waste
greatest
capacity;
therefore,
this
review,
drug
mass
rate
(DMRR)
calculated,
parameter
comparative
purposes.
Almond
shell-activated
showed
highest
antibiotics
(1940
mg/g·h),
while
cork
powder
(CP)
(10,420
mg/g·h)
NSAIDs.
Therefore,
scientific
evidence
demonstrates
is
promising
alternative
substances.
Water,
Journal Year:
2024,
Volume and Issue:
16(20), P. 2872 - 2872
Published: Oct. 10, 2024
Steroid
hormones,
recognized
as
emerging
environmental
contaminants,
have
garnered
increasing
attention
in
recent
years.
The
present
work
studied
the
distribution
characteristics
environment,
bioaccumulation
aquatic
products,
and
associated
health
risks
of
typical
steroid
hormones
from
commercial
freshwater
aquaculture
farms
operating
under
different
modes
(monoculture
polyculture).
Totals
9
14
were
detected
water
sediment
samples,
with
concentrations
ranging
0.66
±
0.17
ng/L
to
40.5
5.08
0.36
0.08
ng/g
123
19.9
ng/g,
respectively.
Hazard
index
(HI)
calculations
indicated
that
all
sampling
locations
identified
medium
or
high
risk
for
both
matrices.
Nineteen
steroids
at
least
one
type
tissue,
bile,
plasma,
muscle,
liver,
gill
<LOQ
52.6
4.82
ng/L,
41.9
4.80
0.07
321
19.1
1140
107
0.03
1450
239
Furthermore,
four
synthetic
exhibited
significant
across
various
tissues,
such
MLA
bile
5α-DHP
(BAF
>
5000
L/kg).
Notably,
despite
low
estimated
daily
intakes
(EDIs)
(0.43–6.43
ng/day/person
18.7
ng/day/person)
hazard
quotients
(HQs)
(below
4.188
×
10−7),
factors
(BAFs)
underscore
necessity
stringent
regulatory
measures
by
local
governments.
Additionally,
a
comparison
EDI
results
fish
species
revealed
hormone-related
humans
are
influenced
mode.
This
study
consumption
poly-cultured
(e.g.,
bighead
carp)
may
pose
greater
steroid-related
risk,
compared
mono-cultured
fish.
Electroanalysis,
Journal Year:
2023,
Volume and Issue:
35(9)
Published: May 9, 2023
Abstract
Estrone
(E1)
is
associated
with
various
health
and
environmental
issues,
necessitating
the
development
of
analytical
methods
for
monitoring
E1
in
different
matrices.
In
this
context,
present
study
reports
a
graphene
quantum
dot‐based
electrode
(GQD/E)
to
detect
estrone
water
urine
samples.
Voltammetric
measurements
under
optimized
conditions
demonstrated
feasibility
using
GQD/E
at
trace
levels
aqueous
Two
linear
dynamic
ranges
were
obtained
concentrations
from
0.05
10.00
μmol
L
−1
,
limit
detection
(LOD)
quantification
(LOQ)
28.0
96.0
nmol
respectively.
Furthermore,
LOD
value
one
lowest
ever
reported
literature
electrochemical
determination
E1.
The
method
response
showed
no
significant
variation
current
intensity
presence
16
interferents.
recovery
values
by
quantify
fortified
samples
seawater,
tap
water,
wastewater
synthetic
ranged
95.9
108.1
%,
indicating
that
presents
highly
sensitive
detecting
Annals of Animal Science,
Journal Year:
2023,
Volume and Issue:
24(3), P. 695 - 705
Published: Oct. 5, 2023
Abstract
All
organisms
require
the
ability
to
engage
in
either
sexual
or
asexual
reproduction
order
ensure
their
own
survival.
In
aquaculture,
when
one
sex
outgrows
other
faster,
farmers
use
hormones
stimulate
growth.
Furthermore,
production
of
fish
based
on
dimorphism
is
predominantly
executed
through
utilization
estrogens
and
androgens.
Environmentally,
these
compounds
may
pollute
ecosystem
cause
endocrine
system
alterations
that
harmful
effects;
thus,
they
must
be
handled
carefully
assure
environmental,
biological,
food
safety.
Phytoestrogens
as
natural
non-steroidal
phenolic
plant
chemicals
resemble
17-β-estradiol,
could
employed
a
safe
alternative
source
estrogens.
The
phytoestrogens
have
many
biological
effects
due
compete
with
estrogen
receptors,
but
negatively
affect
production,
reproduction,
behaviors
under
controlled
conditions.
Thus,
current
literature
emphasizes
beneficial
aquatic
animal
performance,
behaviors,
some
reproductive
features.