Carbon Dots in Photodynamic/Photothermal Antimicrobial Therapy
Nanomaterials,
Год журнала:
2024,
Номер
14(15), С. 1250 - 1250
Опубликована: Июль 25, 2024
Antimicrobial
resistance
(AMR)
presents
an
escalating
global
challenge
as
conventional
antibiotic
treatments
become
less
effective.
In
response,
photodynamic
therapy
(PDT)
and
photothermal
(PTT)
have
emerged
promising
alternatives.
While
rooted
in
ancient
practices,
these
methods
evolved
with
modern
innovations,
particularly
through
the
integration
of
lasers,
refining
their
efficacy.
PDT
harnesses
photosensitizers
to
generate
reactive
oxygen
species
(ROS),
which
are
detrimental
microbial
cells,
whereas
PTT
relies
on
heat
induce
cellular
damage.
The
key
effectiveness
lies
utilization
photosensitizers,
especially
when
integrated
into
nano-
or
micron-scale
supports,
amplify
ROS
production
enhance
antimicrobial
activity.
Over
last
decade,
carbon
dots
(CDs)
a
highly
nanomaterial,
attracting
increasing
attention
owing
distinctive
properties
versatile
applications,
including
PTT.
They
can
not
only
function
but
also
synergistically
combine
other
overall
This
review
explores
recent
advancements
CDs,
underscoring
significance
potential
reshaping
advanced
therapeutics.
Язык: Английский
One-pot hydrothermal synthesis of silicon, nitrogen co-doped carbon dots for enhancing enzyme activity of acid phosphatase (ACP) to dopamine and for cell imaging
Talanta,
Год журнала:
2024,
Номер
278, С. 126451 - 126451
Опубликована: Июнь 22, 2024
Язык: Английский
One‐Step Synthesis Nitrogen‐Doped Multicolor Fluorescent Carbon Dots: Full Color LEDs and Fingerprint Detection Applications
ChemistrySelect,
Год журнала:
2025,
Номер
10(15)
Опубликована: Апрель 1, 2025
Abstract
Multicolor
carbon
dots
(CDs)
have
emerged
promising
fluorescent
nanomaterials
and
their
unique
fluorescence
properties
been
widely
studied
in
the
field
of
optoelectronics.
However,
there
are
still
great
challenges
preparing
fluorescently
tunable
multicolor
CDs
that
work
stably
visible
spectrum.
In
this
work,
were
prepared
using
low‐cost
citric
acid
urea
as
main
precursors
through
a
simple
one‐step
solvothermal
method.
Red,
green,
blue
(R‐CDs,
G‐CDs,
B‐CDs)
with
stable
optical
by
changing
solvent
to
N,
N‐dimethylformamide,
ethanol,
water,
respectively.
achieved
full
coverage
emission
wavelengths
from
short
long
wavelength,
QY
values
5.87%,
13.18%,
15.89%.
The
analysis
chemical
structure
showed
mechanism
was
mainly
attributed
C═O
content
(4.90%,
7.65%
8.26%
for
R‐CDs,
B‐CDs),
different
proportions
pyrrolic
N
(4.95%,
4.32%
3.47%
B‐CDs,
respectively)
degree
graphitization
causing
redshift
wavelength.
Finally,
based
on
polymer
matrix
luminescence
CDs,
application
light‐emitting
diodes
(LEDs)
devices
latent
fingerprint
detection
(LFP)
achieved.
Язык: Английский
Influence on the Optical and Electronic Properties of Graphene Quantum Dots Originating from the S-Doping Site: A Theoretical Investigation
The Journal of Physical Chemistry A,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 10, 2025
The
optical
and
electronic
properties
of
sulfur-doped
graphene
quantum
dots
(GQDs)
have
been
theoretically
investigated
using
DFT/TD-DFT
methods
in
water
(B3LYP/6-31G/SMD).
Both
edge
core
sites
for
doping
considered.
Simulation
results
reveal
that
edge-doped
sulfydryl
(-SH)
presents
no
significant
influence
on
the
energy
level
distribution
compring
with
pristine
GQDs
which
idential
absorption
spectra,
however,
nonzero
oscillator
strength
(f)
S0-S1
transition
S-GQDs
enables
fluorescence
emission
(@∼450
nm)
whereas
yield
based
Kasha's
rule.
Moreover,
S
at
dramatically
raises
HOMO
regulates
electron
transfer
process
corresponding
density
states
during
transition.
This
eventually
decreases
HOMO-LUMO
gaps,
enabling
strong
near-infrared
region,
suggests
skeleton
great
potential
application
bioimaging
field.
Язык: Английский
Advances in Red/Near infrared carbon dots in bioimaging, sensing, and phototherapeutic applications
Inorganic Chemistry Communications,
Год журнала:
2024,
Номер
163, С. 112389 - 112389
Опубликована: Апрель 5, 2024
Язык: Английский
Facile synthesis of broadband red-emitting hydrophilic carbon dots for zebrafish imaging application
Journal of Molecular Structure,
Год журнала:
2025,
Номер
unknown, С. 141991 - 141991
Опубликована: Март 1, 2025
Язык: Английский
Differential Antibacterial Effects of Chiral Co3O4
Chemical Research in Chinese Universities,
Год журнала:
2024,
Номер
40(6), С. 1134 - 1140
Опубликована: Май 11, 2024
Язык: Английский
Preparation of multi-functional active packaging film of Galla chinensis waste CDs/pullulan
Baoshan Tang,
Xi Wu,
Lanxiang Liu
и другие.
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
275, С. 133221 - 133221
Опубликована: Июнь 28, 2024
Язык: Английский
Synthesis of Solvent-Tunable Multicolor Fluorescent Carbon Dots and Their Application in Leds and Latent Fingerprints
Опубликована: Янв. 1, 2024
Язык: Английский
Rational Design of Multi‐color Phosphorescent Carbon Dots Based on Binaphthyldiamine with Chiral Signals
Kai Zhu,
Jiping Xiao,
Yingying Bi
и другие.
Chinese Journal of Chemistry,
Год журнала:
2024,
Номер
42(24), С. 3255 - 3262
Опубликована: Авг. 24, 2024
Comprehensive
Summary
Chiral
phosphorescent
materials
have
received
extensive
research
owing
to
the
unique
properties
of
optical
activity
in
recent
years.
Many
carbon
dots
(CDs)
been
reported,
but
on
chiral
phosphorescence
is
still
exploratory
stage.
This
work
designs
multi‐color
room
temperature
(RTP)
CDs
with
signals,
which
are
fully
mixed
aromatic
aldehyde
precursors
and
amino
compounds
a
boric
acid
(BA)
matrix
can
be
easily
prepared
by
solvent‐free
thermal
method.
The
(
R
)‐GCDs,
)‐YCDs
)‐RCDs
achieved
emission
at
545
nm,
582
654
respectively,
exhibited
corresponding
circular
dichroism
(CD)
signals
341
394
384
380
448
435
respectively.
longest
lifetime
up
946
ms.
Specifically,
YCDs
exhibit
time‐dependent
under
UV
excitation,
afterglow
time
white
light
excitation
reach
40
s.
article
provides
new
approach
study
phosphorescence.
Язык: Английский