Molecules,
Год журнала:
2022,
Номер
27(23), С. 8627 - 8627
Опубликована: Дек. 6, 2022
Photodynamic
therapy
(PDT)
has
become
an
emerging
cancer
treatment
method.
Choosing
the
photosensitizer
(PS)
compounds
is
one
of
essential
factors
that
can
influence
PDT
effect
and
action.
Carbon
dots
(CDs)
have
shown
great
potential
as
photosensitizers
in
cancers
due
to
their
excellent
biocompatibility
high
generation
reactive
oxygen
species
(ROS).
Here,
we
used
tea
polyphenol
raw
material
for
synthesized
carbon
(T-CDs)
show
dual
emission
bands
red
blue
fluorescence
efficiently
generate
hydroxyl
radicals
(OH)
under
mildly
visible
irradiation
with
a
LED
light
(400-500
nm,
15
mW
cm-2).
The
extremely
low
cytotoxicity
T-CDs
without
were
tested
using
MTT
hemolytic
assay.
Further,
been
by
vivo
experiments,
mouse
breast
cell
line
(4T1)
subcutaneously
injected
back
buttock
model,
effectively
inhibit
tumor
proliferation
solid
tumors
effect.
In
addition,
pathological
sections
mice
tissues
after
further
showed
had
no
apparent
impact
on
major
organs
did
not
produce
any
side
lesions.
This
work
demonstrates
as-synthesized
be
PS
treatment.
Nanotechnology,
Год журнала:
2023,
Номер
35(1), С. 012001 - 012001
Опубликована: Сен. 27, 2023
Abstract
Carbon
dots
(CDs)
have
garnered
significant
interest
for
their
potential
use
in
multiple
applications
due
to
size,
fluorescent
properties,
high
photostability,
low
toxicity
and
biocompatibility.
CDs
can
be
tailored
specific
needs,
as
they
synthesized
with
diverse
precursors
techniques
functionalization.
Since
the
of
are
rapidly
expanding,
this
review
highlights
recent
developments
burgeoning
field.
Specifically,
we
describe
advances
CD
synthesis
that
include
pH
temperature
sensing,
biochemical
analysis,
bioimaging.
We
also
discuss
various
challenges
practical
solutions
will
drive
CD-based
research
forward.
Challenges
lack
standardized
purification
methods
CDs,
clarity
regarding
mechanism
action,
procedural
flaws
applications.
In
conclusion,
provide
recommendations
collaboration
among
disciplines
bridge
existing
knowledge
gaps
address
key
required
fully
commercialized.
Materials Chemistry Frontiers,
Год журнала:
2023,
Номер
8(4), С. 930 - 955
Опубликована: Дек. 7, 2023
This
review
mainly
summarizes
the
research
advances
in
synthetic
strategies,
optical
properties,
and
biomedical
applications
of
red-emissive
carbon
dots
recent
years.
Nano Letters,
Год журнала:
2024,
Номер
24(7), С. 2264 - 2272
Опубликована: Фев. 7, 2024
Developing
general
methods
to
fabricate
water-dispersible
and
biocompatible
fluorescent
probes
will
promote
different
biological
visualization
applications.
Herein,
we
report
a
metal-facilitated
method
ultrabright
green-emissive
nanodots
via
the
one-step
solvothermal
treatment
of
rose
bengal,
ethanol,
various
metal
ions.
These
metal-doped
show
good
water
dispersity,
ultrahigh
photoluminescence
quantum
yields
(PLQYs)
(e.g.,
PLQY
Fe-doped
(FeNDs)
was
∼97%),
low
phototoxicity.
Owing
coordination
effect
ions,
FeNDs
realize
glutathione
detection
with
outstanding
properties.
Benefiting
from
high
endoplasmic
reticulum
(ER)
affinity
chloride
group,
can
act
as
an
ER
tracker
long
imaging
capacity
(FeNDs:
>24
h;
commercial
tracker:
∼1
h)
superb
photostability
achieve
tissue
in
living
Abstract
Carbon
dots
(CDs),
emerging
as
a
promising
class
of
nanomaterials,
have
garnered
significant
interest
in
the
field
biomedicine
due
to
their
unique
physicochemical
properties.
This
review
provides
comprehensive
overview
recent
advancements
biomedical
applications
CDs,
emphasizing
potential
for
revolutionizing
diagnostics,
therapy,
and
bio‐imaging.
We
discuss
synthesis
functionalization
which
are
pivotal
tailoring
properties
specific
applications.
The
CDs
bioimaging
include
fluorescence
imaging,
magnetic
resonance
photoacoustic
etc.
Additionally,
this
delves
into
benefits
treatment
diseases
including
cancer,
inflammation
Alzheimer's,
Finally,
we
look
forward
future
biomedicine,
necessity
interdisciplinary
collaboration
overcome
current
obstacles
facilitate
clinical
translation
CDs‐based
technologies.
aims
provide
summary
perspectives
on
latest
developments
hoping
inspire
further
research
rapidly
advancing
field.