ACS Materials Letters,
Год журнала:
2023,
Номер
5(3), С. 854 - 861
Опубликована: Фев. 20, 2023
Amplifying
the
photoluminescence
of
lanthanide-doped
nanoparticles
by
antenna
materials
can
bridge
gap
in
properties
between
pristine
and
those
required
practical
applications.
However,
high-performance
antennas
with
ideal
stability
are
rather
few.
Here,
we
report
a
new
type
iridium
(Ir)-based
phosphonate
complex
as
an
to
amplify
near-infrared
luminescence
nanoparticles.
Unlike
conventional
antennas,
Ir
complex,
quasi-spherical
structure
pendent
phosphonic
groups,
resist
aggregation-caused
quenching
firmly
anchor
on
Near-infrared
be
stably
amplified
up
130
times
which
should
due
short-range
energy
transfer
from
triplet
state
lanthanide
ions.
These
findings
may
pave
fundamental
way
promote
applications
Signal Transduction and Targeted Therapy,
Год журнала:
2023,
Номер
8(1)
Опубликована: Ноя. 24, 2023
Abstract
Mesoporous
silica
nanoparticles
(MSNs)
are
recognized
as
a
prime
example
of
nanotechnology
applied
in
the
biomedical
field,
due
to
their
easily
tunable
structure
and
composition,
diverse
surface
functionalization
properties,
excellent
biocompatibility.
Over
past
two
decades,
researchers
have
developed
wide
variety
MSNs-based
nanoplatforms
through
careful
design
controlled
preparation
techniques,
demonstrating
adaptability
various
application
scenarios.
With
continuous
breakthroughs
MSNs
fields
biosensing,
disease
diagnosis
treatment,
tissue
engineering,
etc.,
gradually
moving
from
basic
research
clinical
trials.
In
this
review,
we
provide
detailed
summary
beginning
with
comprehensive
overview
development
history.
We
then
discuss
types
nanostructured
architectures,
well
classification
nanocomposites
according
elements
existed
inorganic
functional
components.
Subsequently,
summarize
primary
purposes
surface-functionalized
modifications
MSNs.
following,
applications
MSNs,
highlight
targeted
therapeutic
modalities
currently
developed.
Given
importance
translation,
also
progress
Finally,
take
perspective
on
future
direction
remaining
challenges
field.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(44)
Опубликована: Май 22, 2024
Abstract
The
double
perovskite
material
of
Cs
2
NaRECl
6
‐type,
utilizing
rare‐earth
(RE)
ions
as
trivalent
element,
has
attracted
widespread
interest
due
to
its
unique
optoelectronic
properties
and
wide
range
applications.
It
displays
rich
optical
properties,
including
visible
infrared
light
emission
through
down‐shifting,
well
up‐conversion
radiation‐induced
emission.
These
exceptional
make
it
a
promising
for
devices
such
detectors,
light‐emitting
diodes,
lasers
energy
storage
batteries
but
also
show
advantages
in
anti‐counterfeiting
technology
imaging.
In
this
article,
the
latest
progress
is
reported
challenges
crystal
structure,
preparation,
performance,
various
applications
lead‐free
halide
(HLDPs)
compounds.
This
outline
prospective
research
directions
existing
materials,
with
aim
facilitating
discovery
new
HLDPs
materials.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Optical
imaging
in
the
second
near-infrared
window
(NIR-II,
1000-1700
nm)
holds
great
promise
for
biomedical
detection
due
to
reduced
tissue
scattering
and
autofluorescence.
However,
rational
design
of
NIR-II
probes
with
superior
excitation
wavelengths
balance
effects
water
absorption
remains
a
challenge.
To
address
this
issue,
here
we
developed
series
Ho
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 11, 2025
MicroRNA
(miRNA)
is
involved
in
the
genesis
viand
development
of
colorectal
cancer.
The
vivo
imaging
miRNA
at
tumor
sites
essential
for
understanding
its
role
cancer
pathology
and
therapeutic
target
identification.
However,
achieving
accurate
hindered
by
low
abundance
miRNAs
cells
nonspecific
signal
leakage
normal
tissues.
Here,
we
report
a
multivariate-gated
catalytic
hairpin
assembly
(CHA)
nanosensor
specific
amplified
microRNA-21
(miR-21)
human
tissues
to
reveal
underlying
miR-21-associated
molecular
mechanism.
endogenous
glutathione
exogenous
near-infrared
design
combination
with
CHA
probes
improves
strength
miR-21
reduces
background
interference.
enables
vivo,
signal-to-background
ratios
are
1.6-fold
compared
traditional
methods.
With
assistance
designed
nanosensor,
achieve
preliminary
identification
from
clinical
surgical
resection
samples.
overexpressed
found
suppress
core
mismatch
repair
recognition
protein
mutS
homologue
2
DNA
damage
inhibit
efficacy
strategy
probe
design,
which
combines
activation
methods
amplification
system,
applicable
disease-relevant
mechanism
research.
Molecules,
Год журнала:
2025,
Номер
30(2), С. 396 - 396
Опубликована: Янв. 18, 2025
Ratiometric
lanthanide
coordination
polymers
(Ln-CPs)
are
advanced
materials
that
combine
the
unique
optical
properties
of
ions
(e.g.,
Eu3+,
Tb3+,
Ce3+)
with
structural
flexibility
and
tunability
polymers.
These
widely
used
in
biological
chemical
sensing,
environmental
monitoring,
medical
diagnostics
due
to
their
narrow-band
emission,
long
fluorescence
lifetimes,
excellent
resistance
photobleaching.
This
review
focuses
on
composition,
sensing
mechanisms,
applications
ratiometric
Ln-CPs.
The
mechanism
relies
two
distinct
emission
bands,
which
provides
a
self-calibrating,
reliable,
precise
method
for
detection.
relative
intensity
ratio
between
these
bands
varies
concentration
target
analyte,
enabling
real-time
monitoring
minimizing
interference.
approach
is
particularly
suitable
detecting
trace
analytes
use
complex
environments
where
factors
like
background
noise,
temperature
fluctuations,
light
variations
may
affect
results.
Finally,
we
outline
future
research
directions
improving
design
synthesis
Ln-CPs,
such
as
incorporating
long-lifetime
reference
luminescent
molecules,
exploring
near-infrared
systems,
developing
up-conversion
or
two-photon
materials.
Progress
areas
could
significantly
broaden
scope
Ln-CP
applications,
especially
biosensing,
other
fields.
Abstract
The
increasing
demand
for
the
multidimensional
and
dynamic
control
of
light
has
spurred
development
stimuli‐responsive,
reconfigurable,
programmable
optical
systems.
Liquid
crystals
(LCs),
which
combine
liquid‐like
stimuli‐responsiveness
crystal‐like
orientational
ordering,
have
emerged
as
highly
appealing
soft
materials.
Owing
to
their
exceptional
performance
functionalities,
they
are
becoming
incredibly
important
materials
in
active
planar
optics
photonics.
Additionally,
silk
proteins,
luminescent
materials,
metasurfaces
exhibit
properties,
enabling
remarkable
multifunctional
applications.
This
review
focuses
on
advancements
stimuli‐responsive
including
LCs,
well
some
these
paired
with
LCs.
Their
attractive
tunable
applications
photonics,
along
great
potential
future
systems,
also
emphasized.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(24)
Опубликована: Апрель 11, 2023
Lanthanide
upconversion
luminescence
in
nanoparticles
has
prompted
continuous
breakthroughs
information
storage,
temperature
sensing,
and
biomedical
applications,
among
others.
Achieving
at
the
molecular
scale
is
still
a
critical
challenge
modern
chemistry.
In
this
work,
we
explored
of
solution
dispersions
co-crystals
composed
discrete
mononuclear
Yb(DBM)3
Bpy
Eu(DBM)3
complexes
(DBM:
dibenzoylmethane,
Bpy:
2,2'-bipyridine).
The
613
nm
emission
Eu3+
was
observed
under
excitation
Yb3+
980
nm.
From
series
assemblies
studied,
most
intense
obtained
for
1
:
molar
ratio
,
resulting
high
quantum
yield
0.67
%
2.1
W
cm-2
.
structure
energy
transfer
mechanism
were
fully
characterized.
This
first
example
an
-based
upconverting
system
two
lanthanide
present
as
non-deuterated
solution.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(33)
Опубликована: Март 22, 2024
Abstract
Applications
of
luminescence
at
high
temperature
such
as
high‐power
lighting,
lasing,
thermophotovoltaics,
and
photonic
coding,
are
severely
prevented
due
to
the
notorious
thermal
quenching
(TQ).
Although
anti‐TQ
(anti‐TQL)
is
reported
using
highly
oxygen‐coordinated
solid‐state
oxide
host
in
virtue
rigid
skeleton
that
resists
lattice
vibration
elevated
temperatures,
it
meaningful
extend
anti‐TQL
other
hosts.
Herein,
taking
advantage
ligand‐metal
antenna
effect
negative
expansion
feature
Eu
3+
doped
MIL‐68‐In
(MIL‐68‐In/xEu),
adjustable
realized
for
first
time,
is,
anti‐TQ,
zero‐TQ,
TQ
x
=
5%,
10%,
50%,
respectively.
Therefore,
except
added
novel
mechanisms,
this
work
has
also
expanded
hosts
available
high‐temperature
enabled
advanced
coding
terms
facial
synthesis,
rich
information,
visual
changes
emission
intensity
instead
device‐dependent
analogous.
