Nanosensor for the detection of eosin yellow and its photocatalytic degradation using phytosynthesized cerium oxide nanoparticles
RSC Advances,
Journal Year:
2025,
Volume and Issue:
15(6), P. 4095 - 4110
Published: Jan. 1, 2025
A
substantial
rise
in
pollution
due
to
population
growth,
industrialization,
and
urbanization
has
led
water
contamination
over
the
past
few
years,
especially
developing
countries.
Language: Английский
Plant biomass-based nanoparticles for remediation of contaminants from water ecosystems: Recent trends, challenges, and future perspectives
Divya Bhushan,
No information about this author
Sachin Shoran,
No information about this author
Rakesh Kumar
No information about this author
et al.
Chemosphere,
Journal Year:
2024,
Volume and Issue:
unknown, P. 143340 - 143340
Published: Sept. 1, 2024
Language: Английский
Degradation of Anthraquinone Dye Wastewater by Sodium Percarbonate with CoO Heterogeneous Activation
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 11, 2024
Abstract
In
this
work,
the
optimal
efficiency
and
mechanism
of
action
CoO
activated
sodium
percarbonate
(SPC)
for
degradation
Reactive
Blue
19
was
investigated.
The
three-factor
interaction
SPC
concentration,
dosage
initial
pH
effects
factors
such
as
anions
humic
acids
(HA)
were
results
show
that
CoO/SPC
system
(93.8%,
0.01015
min
−
1)
efficiently
degraded
RB19
also
suitable
other
organic
dyes
(32.7%~100%)
antibiotics
(97.1%~100%).
During
activation
by
CoO,
carbonate
radical
(CO
3•−),
hydroxyl
(•OH),
superoxide
(O
2•−)
singlet
oxygen
(
1O
2)
are
involved
in
process,
among
which
CO
3•−
(88.2%)
plays
an
indispensable
role,
proved
quenching
experiments
electron
paramagnetic
resonance
(EPR)
tests.
Co
2+
dissolution
lower
than
150
µg/L,
meets
emission
standard
(1
ppm);
application
avoids
problem
acidification
wastewater,
final
product
is
green
color.
This
study
presents
a
novel
approach
to
treating
dye
wastewater
combining
transition
metal
oxides
with
percarbonate.
Language: Английский
Solar light driven degradation of piroxicam and paracetamol by heterogeneous photocatalytic fenton system: Process optimization, mechanistic studies and toxicity assessment
Muhammad Mohsin,
No information about this author
Nazia Yaqoob,
No information about this author
Shagufta Kamal
No information about this author
et al.
Chemosphere,
Journal Year:
2024,
Volume and Issue:
362, P. 142747 - 142747
Published: July 1, 2024
Language: Английский
A review on eco‐sustainable photocatalytic degradation of pharmaceutical pollutants using biosynthesized nanoparticles
Journal of the Chinese Chemical Society,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 15, 2024
Abstract
Pharmaceutical
substances,
a
pill
for
every
ill,
have
become
sweet
poison
by
remarkably
boosting
the
global
economy
as
well
human
and
animal
wellness
at
same
time
causing
environmental
pollution,
especially
in
aquatic
ecosystem,
this
has
led
to
fatal
diminution
availability
of
clean
water
upsurge
insecurity.
Notably,
traditional
techniques
materials
been
employed
up
pharmaceutical
pollutants
(PP)
from
bodies;
however,
they
come
under
controversy
because
require
hazardous
chemicals
cannot
fully
mineralize
stubborn
PPs.
Interestingly,
photocatalytic
degradation
approach
employing
eco‐benign
biosynthesized
nanoparticles
(BNP)
is
an
avant‐garde
practice
shown
be
eco‐sustainable
method
that
can
PPs
into
harmless
molecules.
Thus,
study
critically
explores
application
BNPs
The
review
revealed
greatest
efficacy
was
greater
than
80%
most
cases,
least
amount
required
around
10
min.
In
addition,
oxygen‐containing
functional
groups
found
biological
sources
used
fabrication
contributed
supremacy
•
OH
O
2
radicals
operation.
Also,
kinetic
data
modeled
pseudo‐first
order,
indicates
more
involved
operation
.
Moreso,
excellent
reusability
potential
(>5
rounds)
while
maintaining
inherent
structural
integrity.
Techno‐economic
analysis
are
cost‐effective,
costing
about
$1.5/1,000,000
mL
wastewater
on
average.
Language: Английский
Biogenic synthesis of Azadirachta indica-mediated zirconium oxide nanoparticles: photocatalytic degradation of methylene blue and antimicrobial activity
Biomass Conversion and Biorefinery,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 15, 2024
Language: Английский
Degradation of Anthraquinone dye wastewater by sodium percarbonate with CoO heterogeneous activation
Journal of Chemical Technology & Biotechnology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 10, 2024
Abstract
BACKGROUND
Anthraquinone
dyes
have
an
anthraquinone
structure
as
their
nucleus,
with
one
or
more
substituents
forming
different
organic
dyes.
a
complex
that
allows
them
to
exist
stably
in
water
environment,
but
also
makes
toxic
than
azo
This
results
varying
degrees
of
harm
both
humans
and
the
environment
result
residual
on
material’
surface.
Sodium
percarbonate
(SPC)
is
highly
promising
oxidant
due
its
green
end
product.
Therefore,
this
study,
catalytic
performance
kinetic
study
cobalt
oxide
(CoO)
SPC
under
conditions
were
systematically
investigated
using
RB19
target
pollutant.
The
Box–Behnken
Design
(BBD)
model
was
used
degradation
by
CoO/SPC
system,
which
gives
basis
for
practical
application.
types
reactive
oxygen
species
effectively
degrade
potential
mechanism
system
revealed.
At
same
time,
evaluated
terms
practicality.
RESULTS
In
work,
activation
CoO
towards
blue
19
(RB19)
explored.
Experimental
showed
nearly
93.8%
could
be
removed
within
30
min
1
mmol
L
−1
mg
CoO.
three‐factor
interaction
effects
concentration,
dosage
initial
pH
investigated.
BBD
set
up
obtain
optimum
working
1.039
SPC,
33.35
7.82,
gave
rate
95.372%.
Additionally,
it
confirmed
solubility
Co
2+
consistently
<150
μg
,
meeting
emission
standard
(1
ppm).
presence
Cl
−
NO
3–
HA
had
similar
profile,
slight
promoting
effect
small
amounts
inhibitory
when
introduced
excess.
introduction
SO
4
2–
negligible
degradation,
whereas
HCO
3
produced
effect.
Furthermore,
PO
strong
suitable
other
(32.7%–100%)
antibiotics
(97.1–100%).
Electron
paramagnetic
resonance
(EPR)
analysis
quenching
experiments
relative
contribution
free
radicals
CO
•‐
(88.12%)
>O
2
(51.11%)
>1O
(37.21%)
>•OH
(5.27%)
>
(3.33%)
>CoO
(0.09%).
It
has
been
activates
through
electron
transfer.
CONCLUSION
present
describes
less
time‐consuming,
efficient
method
treating
dye
wastewater
requires
oxidizer
catalyst,
making
economical.
proposes
straightforward,
cost‐effective
technique
triggered
transition
metal
oxides.
©
2024
Society
Chemical
Industry
(SCI).
Language: Английский
Green synthesis strategy of CeO2 nanowires, WO3 nanoparticles and CeO2@WO3 nanocomposites by using (Azadirachta Indica) leaf extract: its surface defects, Ce3+/W5+ ratio for their enhanced antibacterial activity
Kanwal Javed,
No information about this author
Sobia Kousar,
No information about this author
Bushra Begum
No information about this author
et al.
Journal of Sol-Gel Science and Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
Language: Английский
Advancing physical, dielectric, and solar photocatalytic efficiency with novel Ni0.95Cu0.03M0.02O (M = Co, Mo) semiconductors
Journal of Materials Science,
Journal Year:
2024,
Volume and Issue:
59(40), P. 19192 - 19209
Published: Oct. 1, 2024
Language: Английский
Synthesis and characterization of cerium oxide-bacteriocin nanohybride with synergistic biological activities
Egyptian Journal of Basic and Applied Sciences,
Journal Year:
2024,
Volume and Issue:
12(1), P. 1 - 16
Published: Dec. 17, 2024
The
creation
of
adjuvants
that
can
increase
the
effectiveness
therapeutically
accessible
antibiotics
is
overall
strategy
due
to
limited
therapeutic
choices
available
for
treating
multidrug-resistant
(MDR)
infections.
Thus,
goal
this
work
was
create
a
novel
cerium
oxide-bacteriocin
nanohybrid
(CeO2-bacteriocin
nanohybrid),
which
purified
from
Lactobacillus
acidophilus
(L.
acidophilus)
and
may
help
bacteriocins
become
more
bioactive
overcome
several
obstacles.
Characterization
nanohybrids
via
methods
has
been
performed.
X-ray
diffraction
(XRD)
revealed
an
average
crystallite
size
37.19
nm.
Transmission
electron
microscopy
(TEM)
confirmed
CeO2-bacteriocin
composed
regular
spheres
oval
shapes
with
sizes
ranging
6
61
Scanning
(SEM)
demonstrated
structure
tended
be
spherical,
varying
between
45
65
As
result,
showed
strong
antibacterial
activity
than
bacteriocin
alone,
there
were
highly
significant
(p
≤
0.01)differences
in
effects
alone
on
growth
each
tested
bacteria
Minimum
Inhibition
Concentration
Bactericidal
against
MDR
Staphylococcus
aureus
XDR
Acinetobacter
baumannii
recorded.
promising
antibiofilm
all
bacteria.
new
considered
choice
as
antioxidant
compound
DPPH
(2,2-diphenyl-1-picrylhydrazyl)
vitro
cytotoxicity
breast
cancer
cells
(MDA-MB-231
cells).
Language: Английский