Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(8), P. 5564 - 5570
Published: July 21, 2023
A
class
of
potential
luminescent
sensing
materials
has
been
gradually
developed
in
the
form
metal–organic
frameworks
(LMOFs).
new
LMOF
with
formula
{[Cd(BBZB)(bptc)0.5]·2H2O}n
(JXUST-33,
BBZB
=
4,7-bis(1H-benzimidazole-1-yl)-2,1,3-benzothiadiazole,
H4bptc
biphenyl-3,3′,5,5′-tetracarboxylic
acid)
successfully
constructed,
which
exhibits
stability
structure
and
effectiveness
luminescence.
Single-crystal
X-ray
diffraction
studies
have
shown
that
two
adjacent
CdII
ions
are
linked
by
a
bptc4–
ligand
different
directions
to
plane
is
further
interlaced
ligands
three-dimensional
two-fold
interpenetrating
framework.
JXUST-33
can
be
used
as
fluorescent
probe
identify
various
organic
molecules
detect
three
compounds
fluorescence
quenching
behavior
its
luminescence
properties.
In
addition,
mixed
substrate
films
based
on
achieve
detection
acac,
SA,
BZ
via
naked
eye,
great
for
practical
applications.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Misuse
of
antibiotics
and
pesticides
has
led
to
hazardous
effects
on
human
health,
livestock,
agriculture,
aquaculture,
which
urges
researchers
find
simple,
rapid,
efficient,
cost‐effective
methods
for
quick
on‐site
analysis
these
organic
pollutants
with
functional
materials.
Herein,
a
2D
chemically
robust
MOF:
IITKGP‐71
,
{[Cd(MBPz)(2,6‐NDC)]·2H
2
O}
n
is
strategically
developed
ease
in
scalability
exploited
as
dual
sensors
toward
the
toxic
antibiotic
pesticide
detection
via
luminescence
quenching
aqueous
medium
.
The
framework
displays
exceptional
chemical
robustness
water
3
months,
an
open
atmosphere
over
wide
range
pH
solution
(pH
=
3–12)
day.
can
selectively
quench
nitrofuran
(NFZ
NFT)
organochlorine
DCN
while
remaining
unaffected
by
other
interfering
pesticides,
respectively.
An
excellent
trade‐off
between
high
effectivity
(high
K
sv
)
sensitivity
(low
LOD)
was
achieved
targeted
analytes.
easy
scalability,
stability,
fast
responsivity,
multi‐responsive
nature,
recyclability
outstanding
structural
stability
made
this
viable
playing
crucial
role
safeguarding
aquatic
ecosystems
public
health
from
pesticides.
Analytical Chemistry,
Journal Year:
2022,
Volume and Issue:
94(50), P. 17685 - 17691
Published: Dec. 12, 2022
Herein,
a
peculiar
fluorometric
as
well
smartphone-assisted
RGB-relied
sensing
assay
is
introduced
for
determining
pendimethalin
(PDM)
herbicide
contents
(in
parts
per
trillion
level)
based
on
the
anthracene-incorporated
pyrimidinone/thione
probes
(S1
to
S4).
These
compounds
offered
unique
and
impressive
aggregation-induced
emission
enhancement
(AIEE)
behavior
by
aggregation
in
H2O-dimethylformamide
medium.
Furthermore,
these
AIEE
active
were
found
display
superior
selectivity
extraordinary
sensitivity
PDM
detection
via
fluorescence
quenching
response.
The
extent
of
degree
was
be
linearly
varied
with
concentration
ranging
from
0
20
nM,
lower
limit
367.8
pM
(103.4
ppt)
S3
nanoaggregates.
detailed
investigation
revealed
that
such
high
designed
sensor
toward
attributable
existence
dual
"photoinduced
charge
transfer
Förster
resonance
energy
process
mechanisms".
Stern–Volmer
plots,
Job's
plot,
Benesi–Hildebrand
1H
NMR
titrations
indicated
substantial
interactions
between
PDM.
conducted
tests
provided
distinguishable
over
various
other
insecticides/pesticides
structural
nitro
analogues.
Additionally,
presented
also
applied
quantify
residues
spiked
food
(vegetables,
fruits,
grains)
water
samples.
In
addition,
sensor-coated
fluorescent
paper
test
strips
fabricated
on-site
applicability
smartphone-relied
RGB
analysis
significantly
streamlined
operation
process,
speeds
up
procedure,
novel
methodology
real-time
real
New Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
47(21), P. 10446 - 10454
Published: Jan. 1, 2023
Six
thermostable
one-dimensional
Eu
3+
and
Tb
coordination
polymers
constructed
from
diphosphine
dioxides
bearing
azaheterocyclic
linkers
show
bright
photo-
triboluminescence.
CrystEngComm,
Journal Year:
2023,
Volume and Issue:
25(29), P. 4120 - 4125
Published: Jan. 1, 2023
A
Co(
ii
)-based
MOF
exhibits
a
highly
sensitive
and
selective
detection
to
biomarker
methylmalonic
acid
with
low
limit
favorable
recycling
performance.
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(30), P. 10567 - 10573
Published: Jan. 1, 2023
The
development
of
a
rapid
and
selective
method
for
the
identification
dipicolinic
acid
(DPA),
specific
biomarker
in
Bacillus
anthracis
spores,
is
great
importance
avoidance
anthrax
infection.
Herein,
chain-based
EuIII
metal-organic
framework
with
formula
{[Eu3(BTDB)3(μ3-OH)3(H2O)]·solvents}n
(JXUST-38,
H2BTDB
=
(benzo[c][1,2,5]thiadiazole-4,7-diyl)dibenzoic
acid)
was
obtained
using
2-fluorobenzoic
as
pH
regulator.
JXUST-38
exhibits
good
chemical
thermal
stability
can
specifically
recognize
DPA
N,N-dimethylformamide
solution
through
luminescence
enhancement
blue-shift
effects
detection
limit
0.05
μM.
Furthermore,
significant
blue
shift
under
UV
lamps
are
obviously
observable
by
naked
eye.
sensing
mechanism
attributed
to
absorbance-induced
between
DPA.
Test
paper
mixed-matrix
membrane
based
on
designed
detection.
In
addition,
feasibility
biosensing
discussed
detail.
Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(8), P. 5762 - 5769
Published: July 20, 2023
Metal–organic
frameworks
(MOFs)
provide
a
broad
platform
for
detecting
small
organic
molecules
due
to
their
good
stabilities
and
unique
luminescent
properties.
Herein,
one-dimensional
CdII-based
double
chain
metal–organic
framework
{[Cd(BBIP)(CDDB)(H2O)]·2H2O}n
(JXUST-30)
derived
from
3,5-bis(1H-benzo[d]imidazol-1-yl)pyridine
(BBIP)
4,4′-(9H-carbazole-3,6-diyl)dibenzoic
acid
(H2CDDB)
was
successfully
synthesized
by
solvothermal
method.
Interestingly,
the
CdII–BBIP
could
pass
through
large
cavity
formed
CDDB2–
make
parallel
chains
interlocked,
resulting
in
structural
transition
two-dimensional
plane
(1D
→
2D)
enhancement
of
stability.
The
intense
blue
light
emission
excellent
stability
aqueous
solutions
with
wide
range
pH
values,
solvents,
even
boiling
water
JXUST-30
molecules.
sensing
experiments
indicate
that
can
be
used
as
multifunctional
fluorescence
turn-on
sensor
acetylacetone
(acac),
aldehydes
(glyoxal
salicylaldehyde
(SA))
fast
response
time
(<15
s)
high
sensitivity
(detection
limits
0.068,
0.060,
0.051
ppm,
respectively).
In
addition,
successful
preparation
devices
based
on
provides
possibility
practical
application
detection
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(16), P. 18655 - 18675
Published: Jan. 29, 2024
The
exponential
increase
in
the
use
of
mobile
phones
and
portable
devices
has
led
to
a
greater
demand
for
cheap
lightweight
yet
efficient
light-emitting
diodes
(LEDs).
With
significant
research
interest
nanoporous
organic
frameworks,
including
metal–organic
covalent
hydrogen-bonded
frameworks
(MOFs,
COFs,
HOFs),
their
applications
electronics,
particularly
as
LEDs,
have
been
growing.
This
review
summarizes
main
MOFs,
HOFs
applied
LEDs
that
reported
past
10
years.
studies
are
mainly
classified
depending
on
types
precursors
involved,
so
provide
insight
into
predesignable
approach
based
these
can
later
be
commercialized
integrated
industry
technology.