Foods,
Journal Year:
2024,
Volume and Issue:
13(17), P. 2855 - 2855
Published: Sept. 9, 2024
The
ratiometric
fluorescent
probe
UiO-OH@Tb,
a
zirconium-based
MOF
functionalized
with
Tb3+,
was
synthesized
using
hydrothermal
method.
This
employs
the
fluorescence
resonance
energy
transfer
(FRET)
mechanism
between
Tb3+
and
malachite
green
(MG)
for
double-inverse
signal
detection
of
MG.
probe’s
color
shifts
from
lime
to
blue
an
increasing
concentration
In
contrast,
monometallic
MOFs’
(UiO-OH)
shows
only
quenching
due
inner
filter
effect
(IFE)
after
interacting
Additionally,
composite
(UiO-OH@Tb)
exhibits
superior
sensitivity,
limit
(LOD)
0.19
μM,
which
is
significantly
lower
than
that
MOFs
(25
μM).
Moreover,
content
MG
can
be
detected
on-site
(LOD
=
0.94
μM)
RGB
function
smartphones.
Hence,
UiO-OH@Tb
proven
ideal
material
detection,
demonstrating
significant
practical
value
in
real-world
applications.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(69), P. 9226 - 9229
Published: Jan. 1, 2024
A
novel
ratiometric
analytical
method
based
on
a
quantum
dot
(QD)-integrated
supramolecular
sensing
system
successfully
achieves
the
portable
on-site
detection
of
nitroxynil.
Journal of Materials Chemistry C,
Journal Year:
2024,
Volume and Issue:
12(46), P. 18829 - 18839
Published: Jan. 1, 2024
Two
series
of
isostructural
Ln-MOFs
and
Ln-doped
MOFs
were
synthesized.
Tb-DMF
Tb-DMA
are
the
first
to
achieve
double
ratiometric
fluorescence
sensing
TDGA
in
real
urine.
Meanwhile,
doped
regulation
emission
colors.
