New Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
48(38), P. 16631 - 16641
Published: Jan. 1, 2024
Through
modification,
this
work
significantly
enhances
the
quantum
yield
of
carbon
dots
derived
from
fish
scales
and
applies
them
for
trace
detection
quercetin.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(44)
Published: Aug. 7, 2024
Abstract
Self‐protective
carbonized
polymer
dots
(CPDs)
with
advantageous
crosslinked
nano‐structures
have
attracted
considerable
attention
in
metal‐free
room
temperature
phosphorescence
(RTP)
materials,
whereas
their
RTP
emissions
are
still
limited
to
short
wavelength.
Expanding
Near‐Infrared
(NIR)
range
is
attractive
but
suffers
from
the
difficulties
constructing
narrow
energy
levels
and
inhibiting
intense
non‐radiative
decay.
Herein,
a
crosslink‐enhanced
emission
(CEE)‐dominated
construction
strategy
was
proposed,
achieving
desired
NIR
(710
nm)
self‐protective
CPDs
for
first
time.
Structural
factors,
i.e.,
crosslinking
(covalent‐bond
CEE),
conjugation
(conjugated
amine
bridging
N−H
C=C
group),
steric
hindrance
(confined‐domain
were
confirmed
indispensable
triggering
CPDs.
Contrast
experiments
theoretical
calculations
further
revealed
rationality
of
design
originating
CEE
terms
promoting
level
triplet
excitons
quenching.
This
work
not
only
firstly
achieves
also
helps
understand
origin
guide
synthesis
diverse
efficient
long‐wavelength
emission.
Small,
Journal Year:
2025,
Volume and Issue:
21(9)
Published: Jan. 19, 2025
Abstract
Rare
genetic
diseases
(RGDs)
affect
a
small
percentage
of
the
global
population
but
collectively
have
substantial
impact
due
to
their
diverse
manifestations.
Although
precise
reasons
behind
these
remain
unclear,
roughly
80%
cases
are
genetically
linked.
Recent
efforts
focus
on
understanding
pathology
and
developing
new
diagnostic
therapeutic
approaches
for
RGDs.
However,
there
persists
gap
between
fundamental
research
clinical
approaches,
where
advancements
in
nanotechnology
offer
promising
improvements.
In
this
context,
nanosized
light‐emitting
quantum
dots
(QDs),
ranging
from
2–10
nm,
materials
applications.
Their
size‐tunable
light
emission,
high
yield,
photostability
allow
tracking
cargo.
Additionally,
QDs
can
be
functionalized
with
agents,
antibodies,
or
peptides
target
specific
cellular
pathways,
enhancing
treatment
efficacy
while
minimizing
side
effects.
By
combining
capabilities
single
platform,
thus
versatile
powerful
approach
tackle
rare
disorders.
Despite
several
reviews
various
applications
QDs,
utilization
domain
RGDs
is
not
well
documented.
This
review
highlight
QDs’
potential
diagnosing
treating
certain
addresses
challenges
limiting
application.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 7, 2025
Abstract
Developing
room-temperature
phosphorescent
(RTP)
materials
with
microscale
periodic
structures
presents
a
promising
prospect
for
future
optical
applications
but
remains
extremely
challenging
due
to
the
complex
integration
of
luminescent
and
structural
components.
Herein,
we
present
an
emerging
strategy
mass-producing
monodisperse
RTP
silica
nanospheres
(RTP
SiO2
NPs)
using
modified
Stöber
method,
where
organic
molecules
are
embedded
in
networks
undergone
situ
carbonization,
aggregation
crystallization
form
carbon
dots
under
high
temperature
calcination.
These
NPs
can
self-assemble
into
photonic
crystal
(PC)
structures,
enabling
straightforward
color,
fluorescence
(FL)
achieve
multimodal
properties.
The
angle-dependent
bandgap
(PBG)
generated
by
physical
structure
modulates
light
propagation
PC
gel,
creating
unique
FL
chromatic
responses.
Temperature-induced
refractive
index
changes
between
liquid
matrix
further
enable
dynamic
control
scattering
states,
significantly
altering
transmittance
emission
intensities
RTP.
This
successful
fusion
chemical
luminescence
offers
new
approach
constructing
advanced
devices.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 4, 2024
Abstract
Phototoxicity
poses
a
substantial
challenge
in
photodynamic
therapy,
resulting
intolerable
skin
damage,
visual
impairment,
and
reduced
quality
of
life.
Current
coping
strategies,
primarily
focus
on
avoiding
inappropriate
photoactivation
developing
targeted
photosensitizers,
have
not
effectively
addressed
this
problem.
Hence,
study
aims
to
develop
“sunlight‐friendly”
therapy
strategy.
Here,
1‐methoxyphenazine
methosulfate
(MPMS)
is
innovatively
identified
as
key
substance
achieving
modified
oxygen
metabolism.
MPMS
demonstrates
efficient
catalytic
shuttling
under
abnormal
intracellular
H
2
O
levels,
introducing
novel
protective
approach
for
metabolism
numerous
life
processes.
By
controlling
administration,
the
switch
photosensitizer
states
between
“ON”
(killing
tumor
cells)
“OFF”
(safeguarding
normal
can
be
achieved.
This
mitigated
phototoxicity
holds
potential
widespread
clinical
application.