Molecules,
Journal Year:
2023,
Volume and Issue:
28(21), P. 7315 - 7315
Published: Oct. 28, 2023
Two
triple
interpenetrating
Zn(II)-based
MOFs
were
studied
in
this
paper.
Named
[Zn6(1,4-bpeb)4(IPA)6(H2O)]n
(MOF-1)
and
{[Zn3(1,4-bpeb)1.5(DDBA)3]n·2DMF}
(MOF-2),
{1,4-bpeb
=
1,4-bis
[2-(4-pyridy1)
ethenyl]benze,
IPA
Isophthalic
acid,
DDBA
3,3'-Azodibenzoic
acid},
they
synthesized
by
the
hydrothermal
method
characterized
stability
tested.
The
results
showed
that
MOF-1
had
good
acid-base
solvent
stability.
Furthermore,
excellent
green
fluorescence
with
different
phenomena
solvents,
which
was
almost
completely
quenched
acetone.
Based
on
phenomenon,
an
acetone
sensing
test
carried
out,
where
detection
limit
of
calculated
to
be
0.00365%
(volume
ratio).
Excitingly,
could
also
used
as
a
proportional
fluorescent
probe
specifically
detect
tryptophan,
34.84
μM.
mechanism
explained
through
energy
transfer
competitive
absorption
(fluorescence
resonance
(FRET))
internal
filtration
effect
(IFE).
For
antibacterial
purposes,
minimum
inhibitory
concentrations
against
Escherichia
coli
Staphylococcus
aureus
19.52
µg/mL
39.06
µg/mL,
respectively,
MOF-2
68.36
136.72
respectively.
Crystal Growth & Design,
Journal Year:
2023,
Volume and Issue:
23(11), P. 7716 - 7724
Published: Oct. 4, 2023
Rapid
detection
of
the
3-nitrotyrosine
(3-NT)
biomarker
in
serum
is
great
significance
clinical
diagnosis
and
daily
disease
monitoring.
In
this
work,
two
chemorobust
3D
metal–organic
frameworks
(MOFs)
[Co(DBrTPA)(NMP)]n
(CoMOF-1)
[Co5(DBrTPA)4(DMF)6(HCOO)2]n
(CoMOF-2)
were
fabricated
from
a
halogen-modified
ligand
2,5-dibromoterephthalic
(H2DBrTPA)
cobalt(II)
clusters
under
solvothermal
conditions.
The
introduction
halogens
can
improve
stability
overall
framework
different
media
pH
environments,
which
also
endow
CoMOFs
with
potential
as
luminescent
sensors
high
sensitivity
selectivity,
fast
response,
good
anti-interference,
well
recyclable
performance
detecting
3-NT
PBS
buffer
solution
through
quenching
effects,
Ksv
values
being
9.19
×
104
M–1
for
CoMOF-1
1.05
105
CoMOF-2
LODs
low
23.6
ng·mL–1
20.1
CoMOF-2.
Furthermore,
developed
employed
to
quantify
real
samples,
satisfactory
results.
addition,
possible
sensing
mechanisms
toward
discussed
photoinduced
electron
transfer
spectral
overlaps.
This
work
demonstrated
excellent
MOF-based
provided
an
outlook
design
help
artificial
intelligence
machine
learning.
Molecules,
Journal Year:
2023,
Volume and Issue:
28(17), P. 6274 - 6274
Published: Aug. 27, 2023
Developing
efficient
and
sensitive
MOF-based
luminescence
sensors
for
bioactive
molecule
detection
is
of
great
significance
remains
a
challenge.
Benefiting
from
favorable
chemical
thermal
stability,
as
well
excellent
performance,
porous
Zn(II)Ho(III)
heterometallic-organic
framework
(ZnHoMOF)
was
selected
here
bifunctional
sensor
the
early
diagnosis
toluene
exposure
biomarker
hippuric
acid
(HA)
through
"turn-on"
enhancing
response
daily
monitoring
NFT/NFZ
antibiotics
"turn-off"
quenching
effects
in
aqueous
media
with
high
sensitivity,
acceptable
selectivity,
good
anti-interference,
exceptional
recyclability
low
limits
(LODs)
0.7
ppm
HA,
0.04
NFT,
0.05
NFZ.
Moreover,
developed
employed
to
quantify
HA
diluted
urine
samples
natural
river
water
satisfactory
results.
In
addition,
sensing
mechanisms
ZnHoMOF
dual-response
chemosensor
were
conducted
view
photo-induced
electron
transfer
(PET),
inner
filter
(IFEs),
help
time-dependent
density
functional
theory
(TD-DFT)
spectral
overlap
experiments.
Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
38(6)
Published: March 26, 2024
The
trace
detection
of
biomarkers
in
real
samples
has
profound
a
most
important
significance
the
early
diagnosis
and
daily
monitoring
diseases.
Based
on
ligand
pre‐design
strategy,
novel
3D
CuMOF,
with
formula
{[Cu
4
(BTPB)(
μ
2
‐OH)
(H
O)
5
]·3H
O}
n
,
was
fabricated
by
using
hexacarboxyl
1,4‐bis(2,4,6‐tricarboxylpyrid‐5‐yl)benzene
6
BTPB)
tetranuclear
{Cu
(COO)
(
}
SBUs.
Benefiting
from
robust
framework
unique
luminescence
performance,
prepared
CuMOF
displays
great
potential
as
dual‐responsive
efficient
luminescent
sensor
“turn‐off”
3‐nitrotyrosine
(3‐NT)
biomarker
“turn‐on”
detecting
anthrax
dipicolinic
acid
(DPA),
limits
(LOD)
for
3‐NT
DPA
being
110.8
ng/ml
85.2
ng/ml,
respectively.
Additionally,
practicality
compatibility
such
developed
sensors
were
verified
quantifying
diluted
serum
urine
satisfactory
recoveries.
Further,
theoretical
calculations
energy
levels
well
spectral
overlap
between
analytes
conducted
to
elucidate
possible
sensing
mechanisms.
This
work
demonstrated
that
MOFs‐based
are
evolving
an
efficacious
equable
approach
samples.
