Molecules,
Journal Year:
2023,
Volume and Issue:
28(15), P. 5847 - 5847
Published: Aug. 3, 2023
In
this
study,
a
red-green
dual-emitting
fluorescent
composite
(RhB@MOFs)
was
constructed
by
introducing
the
red-emitting
organic
dye
rhodamine
B
(RhB)
into
metal-organic
frameworks
(Tb-MOFs).
The
sample
can
be
used
as
ratiometric
probe,
which
not
only
avoids
errors
caused
instrument
and
environmental
instability
but
also
has
multiple
applications
in
detection.
results
indicated
that
RhB@MOFs
exhibited
turned-off
response
toward
Fe3+
turned-on
for
continuous
detection
of
ascorbic
acid
(AA).
This
probe
possessed
high
sensitivity
excellent
selectivity
determination
AA.
It
is
worth
mentioning
remarkable
fluorescence
change
could
clearly
observed
naked
eye
under
UV
lamp,
more
convenient
applications.
addition,
mechanisms
Fe3+-
AA-induced
quench
recovery
are
discussed
detail.
displayed
outstanding
recognition
heavy
metal
ions
biomolecules,
providing
potential
water
quality
monitoring
biomolecule
determination.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(21), P. 27804 - 27812
Published: May 17, 2024
Monitoring
and
purification
of
uranium
contamination
are
great
importance
for
the
rational
utilization
resources
maintaining
environment.
In
this
work,
an
olefin-linked
covalent
organic
framework
(GC-TFPB)
its
amidoxime-modified
product
(GC-TFPB-AO)
synthesized
with
3-cyano-4,6-dimethyl-2-hydroxypyridine
(GC)
1,3,5-tris(4-formylphenyl)
benzene
(TFPB)
by
Knoevenagel
condensation.
GC-TFPB-AO
results
in
specificity
rapid
fluorescent/smartphone
uranyl
ion
(UO22+)
detection
based
on
synergistic
effect
multifunctional
groups
(amidoxime,
pyridine,
hydroxyl
groups).
features
a
highly
sensitive
adsorption
UO22+
limit
21.25
nM.
addition,
it
has
good
recovery
(100–111%)
fluorescence
real
samples,
demonstrating
excellent
potential
predesigned
fluorescent
COFs
nuclear
contaminated
wastewater
removal.
Materials Horizons,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Significant
advancements
have
been
made
in
biochemical
sensing,
particularly
the
design,
development,
and
utilization
of
metallic
nanoclusters
metal–organic
frameworks
as
separate
functional
materials.
