Enhanced Antibacterial Activity of Sodium Titanate/Graphene Quantum Dot Self-Supporting Membranes via Synergistic Photocatalysis and Physical Cutting
Materials,
Journal Year:
2025,
Volume and Issue:
18(8), P. 1844 - 1844
Published: April 17, 2025
Graphene
quantum
dots
(GQDs)
show
significant
promise
as
antibacterial
agents,
but
their
application
is
hindered
by
several
limitations,
including
potential
cytotoxicity
at
high
concentrations,
well
concerns
regarding
aggregation
and
reusability.
In
this
study,
sodium
titanate
(NTO)
ultralong
nanotubes
were
utilized
both
a
photocatalyst
support
for
GQDs.
The
NTO/GQDs
heterojunction
was
formed
embedding
GQDs
nanoplates
onto
the
walls
of
NTO
nanotubes.
This
integration
significantly
improved
visible
light
absorption
enhanced
separation
transfer
electron–hole
pairs,
leading
to
an
efficient
photocatalytic
process.
NTO/GQD-8
self-supporting
membrane
composed
these
demonstrated
outstanding
efficiency
(99.99%)
against
E.
coli
exhibited
remarkable
cycling
stability.
Radical
scavenging
experiments
revealed
that
∙OH
e−
primary
reactive
species
driving
Notably,
NTO/GQDs-8
distinct
outcomes.
After
treatment
with
NTO/GQDs-8,
cells
completely
fragmented,
no
intact
cell
structures
remaining
due
synergy
effect
GQDs’
physical
cutting
during
treatment.
Language: Английский
Degradation of organic pollutants using a ternary heterojunction catalyst (CoS2/CoCo2O4–MnFe2O4) for activating peroxymonosulfate with magnetic separation, anti-ion interference, and low ion leaching
Ying Shen,
No information about this author
Fan Qiu,
No information about this author
Fan Yang
No information about this author
et al.
Environmental Science Nano,
Journal Year:
2024,
Volume and Issue:
11(10), P. 4211 - 4229
Published: Jan. 1, 2024
Activating
persulfate
to
generate
reactive
oxygen
species
(ROS)
for
the
effective
degradation
of
toxic
organic
compounds
is
an
important
research
topic
in
environmental
management.
Language: Английский