ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(9), P. 4608 - 4616
Published: Aug. 8, 2024
Efficient
and
reliable
technologies
for
the
on-site
detection
of
illicit
drugs
are
important
in
drug-facilitated
crime
investigations.
However,
development
such
is
challenging.
Based
on
synthetic
optimization,
introducing
a
boron
ester
functional
group
to
two
furanic
indicators
endows
stimulus-responsive
properties
synergistically.
The
ring-opening
reaction
presence
amine-containing
generated
well-known
donor-acceptor
Stenhouse
adducts,
accompanied
by
strong
color
changes.
A
small-size
lightweight
laminated
sensor
was
integrated
based
outstanding
ratiometric
variations
active
indicators.
prototype
platform
fabricated
equipped
with
circuit
control,
mini
pump,
signal
processing
system.
user-friendly
efficient
screening
drugs,
including
phenethylamines,
amphetamines,
cathinones,
tryptamines
liquid
states
were
conducted.
response
linear
concentration
range
2.1-10.6
μg·mL
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(13), P. 6960 - 6991
Published: Jan. 1, 2024
This
review
meticulously
traces
the
development
of
film-based
fluorescent
sensors,
spotlighting
key
advancements
in
molecular
design
and
film
structural
engineering.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(13)
Published: Jan. 19, 2024
Abstract
The
design
and
development
of
ultra‐accurate
probe
is
great
significance
to
chemical
sensing
in
complex
practical
scenarios.
Here,
a
self‐accelerating
naphthalimide‐based
with
fast
response
high
sensitivity
toward
hydrogen
peroxide
(H
2
O
)
designed.
By
coupling
the
specially
selected
upconversion
nanoparticles
(UCNPs),
an
colorimetric‐fluorescent‐upconversion
luminescence
(UCL)
tri‐mode
platform
constructed.
Owing
promoted
reaction
process,
this
demonstrates
rapid
(<
1
s),
ultra‐low
detection
limit
(4.34
nM),
superb
anti‐interferent
ability
even
presence
>
21
types
oxidants,
explosives,
metallic
salts,
daily
compounds,
colorful
or
fluorescent
substances.
In
addition,
effectiveness
further
verified
by
sponge‐based
chip
loaded
UCNPs/probe
recognizing
trace
H
vapor
from
interferents
three
characteristic
colors
existing
simultaneously.
proposed
visualization
expected
open
up
brand‐new
methodology
for
sensing.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
Abstract
Defect‐engineering‐involved
metal‐organic
frameworks
(MOFs)
have
been
highly
valued
in
many
fields
due
to
the
enhanced
porosity
and
abundant
active
sites,
but
how
systematic
modulation
on
deficiency
influencing
fluorescent
sensing
performance
is
still
its
infancy.
Here,
defect‐engineering
of
MOF‐525
used
modulate
exposure
zirconium
(Zr)
clusters
sieving
capability
inner
channels,
enabling
precise
phosphoryl
fluoride
nerve
agents
with
specific
chemical
activity
molecular
dimensions.
Controllable
defects
transformed
localized
emission
porphyrin
into
ligand‐metal
charge
transferring
(LMCT)
gradual
loss
ligand
molecules,
which
interrupted
upon
coordination
agents,
triggering
a
red
turn‐on
fluorescence.
Thus,
defective
60%
effectively
discriminates
(e.g.,
sarin,
soman)
from
similar
substances
tabun,
venomous
agent
X)
synergistic
effect
dimension.
It
exhibits
sensitive
(0.96
n
m
/3.8
ppb),
rapid
(<1
s)
response
toward
target
robust
environmental
interference
acidic,
humid
common
substances.
This
work
enhances
understanding
MOFs
correpsonding
luminescent
behavior,
paving
new
avenue
for
strategy
trace
real
vapor.
Accounts of Materials Research,
Journal Year:
2023,
Volume and Issue:
4(11), P. 939 - 952
Published: Oct. 3, 2023
ConspectusDuring
the
past
few
years,
excited-state
intramolecular
proton
transfer
(ESIPT)
has
attracted
great
attention
in
field
of
metal–organic
optical
materials
due
to
their
rich
photophysical
properties.
Generally,
ESIPT
process
includes
unique
four-leveled
photocycle
and
concomitant
multiemissions,
leading
complex
luminescence
mechanisms
variable
phenomena.
In
contrast
with
widely
reported
research
on
pure
organic
photoluminescent
molecules,
aid
modern
techniques
such
as
situ
X-ray
diffraction
transient
study,
supramolecular
are
emerging
recent
which
have
adjustable
frame
structures,
diverse
emission
types,
excellent
performance.
Through
regulating
equilibrium
transformation
relationship
various
processes
(nonradiative
transitions,
radiative
energy
transfer,
charge
etc.),
ESIPT-based
demonstrate
wide
applications
displaying,
sensing,
imaging,
lasing,
etc.
Given
that
deep
understanding
properties
is
still
its
infancy,
numerous
new
strategies
for
need
be
established
urgently.
this
short
Account,
we
describe
a
construction
regulation
system
materials,
including
four
types
levels
conversion,
corresponding
photoluminescence
(PL)
strategies,
potential
application
demonstrations.Based
our
work
related
reports
from
other
groups,
Account
proposes
synthesize
regulate
PL
Namely,
can
described
ESIPT-process-directed
enol/keto
strategy,
ISC
(intersystem
crossing)/RISC
(reverse
intersystem
crossing)-process-directed
fluorescence/persistent
metal-centered
(MC)
monomer/excimer
respectively.
It
should
noted
first
two
implemented
small
molecule
they
enhanced
optimized
based
ligand-centered
(LC)
emission,
while
last
systems.
We
will
shed
light
between
regulated
by
process.Collectively,
above
approaches
propose
illustrated
basic
mechanism
specific
examples
(for
elaboration
some
also
included)
Account.
anticipate
principles
used
better
utilization
construct
materials.
And
further
envisaged,
paving
way
future
design
more
advanced
Journal of the American Chemical Society,
Journal Year:
2024,
Volume and Issue:
146(5), P. 3125 - 3135
Published: Jan. 30, 2024
The
chapter
on
the
thiol-related
hydrogen
bond
(H-bond)
and
its
excited-state
intramolecular
proton-transfer
(ESIPT)
reaction
was
recently
opened
where
compound
4'-diethylamino-3-mercaptoflavone
(
Analytical Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 3, 2025
The
development
of
fluorescent
probes
for
the
detection
nerve
agents
has
been
a
significant
focus
research
due
to
their
lethal
toxicity
humans.
Inspired
by
excited
state
properties
thermally
activated
delayed
fluorescence
(TADF),
we
designed
two
visualized
probes,
PT
and
PPT,
that
exhibit
characteristics
aggregation-induced
emission.
These
are
intended
rapid
highly
sensitive
diethyl
chlorophosphate
(DCP).
Upon
exposure
DCP
vapors,
PPT
demonstrated
quenching
in
less
than
5
s,
which
was
accompanied
color
change
from
yellow
red.
limits
were
determined
be
3.0
2.9
ppb.
Furthermore,
demonstrate
reduction
acid
interference
through
use
dispersed
SiO2
is
an
important
step
fabrication
N-heterocyclic
agent
probes.
Importantly,
also
constructed
portable
detector
incorporates
these
films
as
key
components,
validating
its
applicability
successful
agents.
Organic Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
Herein,
we
report
that
ArLi,
formed
in
situ
through
the
Li/Br
exchange
between
aryl
bromide
and
n-butyllithium,
can
undergo
rapid
intramolecular
Li/H(Ccage–H)
to
functionalize
o-carboranes.
Based
on
this
observation,
a
dual
C–H
lithiation
reaction
of
2-
or
3-o-carboryl
benzothiophenes
was
developed,
series
o-carborane-fused
phospholes
were
synthesized
by
dilithio
compounds
with
chlorophosphine.
This
is
simple
high
chemical
selectivity
medium
yields.
It
also
be
applied
furan
derivative.
Stability
studies
demonstrated
these
phosphole
derivatives
are
stable
both
trivalent
coordination
states
for
phosphorus.
In
contrast,
their
oxides
sensitive
moisture
air
susceptible
attack
nucleophiles,
leading
breakage
Ccage-P
bond.
Computational
results
indicate
newly
generated
rings
have
weak
aromaticity.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(5), P. 2152 - 2157
Published: Jan. 27, 2024
Sensing
materials
innovation
plays
a
crucial
role
in
the
development
of
high-performance
film-based
fluorescent
sensors
(FFSs).
In
our
current
study,
we
present
innovative
fabrication
four
nanofilms
via
interfacially
confined
dynamic
reaction
specially
designed
building
block,
new
boron-coordinated
compound
(NI-CHO),
with
chosen
one,
benzene-1,3,5-tricarbohydrazide
(BTH).
The
as
prepared
are
robust,
uniform,
flexible,
and
thickness
tunable,
at
least
from
40
to
1500
nm.
fabricated
FFSs
based
on
Film
3,
one
nanofilms,
shows
highly
selective
fully
reversible
response
NH
