Journal of Composites Science,
Journal Year:
2025,
Volume and Issue:
9(5), P. 197 - 197
Published: April 22, 2025
Ternary
g-C3N4/CQD/Ag
photocatalysts
were
synthesized
via
deposition
of
carbon
quantum
dots
(CQDs)
and
silver
nanoparticles
(Ag)
onto
graphitic
nitride
(g-C3N4)
for
efficient
acetaminophen
degradation.
The
nanocomposites
exhibited
enhanced
photoresponse
broad-spectrum
photocatalytic
activity
under
both
UV
(254
nm,
250
W)
Xenon
(>420
500
irradiation.
Characterization
by
XRD,
FTIR,
SEM,
PL,
EDX
elucidated
the
material’s
composition,
structure,
morphology,
optical
properties.
Optimized
degradation
(50
mg/L)
was
achieved
at
pH
7
with
0.6
g/L
catalyst
loading
60
min
irradiation,
yielding
efficiencies
87.5%
(UV)
85.3%
(Xenon).
Radical
quenching
experiments
GC-MS
analysis
identified
hydroxyl
radicals
as
primary
reactive
species
revealed
a
gradual
decrease
in
intermediate
toxicity
during
mineralization.
This
study
demonstrates
superior
performance
ternary
compared
to
binary
systems
effective
removal.
Environmental Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 16
Published: Feb. 22, 2025
In
the
present
study,
bioplastic
–
producing
Bacillus
tequilensis,
a
gram-positive
rod,
was
isolated
from
slaughterhouse
waste
rumen
fluid.
Polyhydroxy
butyrate
(PHB)
produced
B.
tequilensis
using
nitrogen-deficient
Minimal
medium
(NDMM)
and
fluid
(SHWRF).
PHB
4.51
±
0.06
g/L
1.60
0.04
SHWRF
NDMM
medium,
respectively.
Thermal
stability,
biodegradability,
biocompatibility
were
among
desirable
properties
of
that
confirmed
by
FTIR,
XRD,
TGA,
DSC
analysis.
The
degraded
at
rate
60.30%
in
45
days.
vitro
cytotoxicity
assay
3T3-L1
fibroblast
cell
line
demonstrated
it
is
not
harmful.
This
first
report
production
B.tequilensis
Rumen
can
be
recycled
to
produce
biodegradable
bioplastic.
