Inorganic Chemistry,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 6, 2024
Identification
of
disulfide-peptide-bond-containing
glutathione
(GSSG)
over
the
monosulfide
form
(GSH)
remains
a
very
challenging
task
because
their
identical
chemical
properties.
Although
GSH
detection
has
been
well
documented,
selective
GSSG
rarely
reported.
Here,
four
cationic
Ag-based
coordination
polymers
(Ag
CPs)
were
synthesized
using
newly
monotriazole
linker
3-amino-5-(4H-1,2,4-triazol-4-yl)pyridine
to
selectively
screen
GSH.
The
judicious
choice
counteranion
in
metal
salt
changes
architecture,
which
affects
limit
at
parts
per
million
level.
restriction
photoinduced
electron
transfer
process
is
driving
reason
for
enhancement
fluorescence,
owing
favorable
energy
band
gap
match
Ag
CPs
with
de
novo
strategy
incorporating
polar
heteroatoms
(N)
into
CP
network
plays
pivotal
role
host–guest
noncovalent
interactions
donor–acceptor
electrons,
was
supported
by
X-ray
photoelectron
spectroscopy
and
density
functional
theory
studies.
are
thermochemically
robust,
recyclable,
work
efficiently
short
time
(within
∼14–18
s)
different
pH
ranges.
Additionally,
serum
samples
carried
out
appreciable
limits
recovery
percentages
(94.40–117.89%).
A
new
π-conjugated
bridging-type
dicarboxylic
acid
with
a
functional
alkynyl
group,
4,4′-(ethynylimino)bis[benzoic
acid]
(H
2
L),
was
designed
and
synthesized
to
construct
Zn(
ii
)-based
coordination
compound
[ZnL(dpa)]
n
(dpa
=
4,4′-dipyridylamine).
ACS Applied Nano Materials,
Год журнала:
2024,
Номер
7(15), С. 17748 - 17758
Опубликована: Июль 30, 2024
Thanks
to
the
superior
photoluminescence
performance
of
lanthanide(III)
ions
sensitized
by
organic
ligands
via
an
"antenna
effect"
and
host–guest
interactions
between
a
MOF
material
targeted
analytes,
nanoporous
can
achieve
luminescence
dynamics
through
influence
thus
endowing
with
ratiometric
sensing
application.
Consequently,
3D
Eu(III)
based
material,
{[Eu(BPDC)(μ3–OH)(H2O)]·H2O·DMF}n
(Eu-MOF,
2,2′-bipyridine-4,4′-dicarboxylic
acid
=
H2BPDC),
assembled
H2BPDC
ligand
Eu3+
for
achieving
on–off
inflammatory
marker
neopterin
(Neo)
detection,
has
been
fabricated.
The
Eu-MOF
is
consist
1D
Eu(μ3–OH)
chains,
which
could
further
be
connected
deprotonated
build
framework,
showing
nanosized
aperture
ca.
12.6
Å
×
along
a-direction.
titration
experiments
demonstrate
that
exhibit
simultaneous
behavior
Neo,
regulating
interactions.
More
importantly,
visible
color
change
observation
from
red
bluish
violet
naked
eyes
in
response
concentrations
Neo
indicator
facile
achieved
luminescent
test
strips
portable
hydrogels.
A
combination
competitive
absorption
contribute
confirmed
UV–vis
spectral
overlap
experiment
density
functional
theory
calculations.
Journal of Chemical Theory and Computation,
Год журнала:
2024,
Номер
20(8), С. 3258 - 3272
Опубликована: Апрель 12, 2024
The
photochemistry
of
nitrophenols
is
a
source
smog
as
nitrous
acid
formed
from
their
photolysis.
Nevertheless,
computational
studies
the
these
widespread
toxic
molecules
are
scarce.
In
this
work,
initial
photodeactivation
Laser & Photonics Review,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
Abstract
Ultrathin
light
sources
based
on
2D
materials
are
of
fundamental
importance
for
the
design
planar
optical
and
optoelectronic
devices.
Next
to
versatility
in
fabrication
integration
with
such
devices,
efficiency
emission
at
nanometer
scale
remains
a
challenge.
Here
geometrical
approach
is
reported
tune
by
mechanical
exfoliation
lanthanide‐based
metal‐organic
frameworks
(Ln‐MOFs).
For
Ln‐MOF
nanosheets
variable
thickness
(13.5–500
nm),
it
discovered
that
decrease
yields
10–50
fold
increase
photoluminescence
(PL),
while
changing
temperature
(300–7
K)
additionally
leads
nonlinear
growth
PL
10–20
times.
The
temperature‐
thickness‐driven
Ln‐MOFs
opens
prospects
efficient,
robust,
scalable
ultrathin
MOF‐based
sensors.
