ACS Applied Bio Materials,
Journal Year:
2024,
Volume and Issue:
7(11), P. 7624 - 7634
Published: Nov. 6, 2024
Hexavalent
chromium
is
a
toxic
environmental
pollutant
that
damages
plants
due
to
disruption
of
nutrient
uptake,
photosynthesis
metabolism,
and
oxidative
stress,
which
suppresses
the
growth
development
plant.
In
this
work,
we
have
developed
betaine-modified
carbon
dot
(BT@CD)
sensor
for
monitoring
Cr(VI)
in
water
plants.
Fluorescent
dots
been
synthesized
using
jamun
juice
(Syzygium
cumini)
as
source
subjected
surface
modification
with
betaine
(BT@JCD).
This
BT@JCD
exhibits
strong
blue
fluorescence,
significantly
decreases
presence
inner
filter
effect
range
5–450
nM
detection
limit
0.033
μM.
Due
its
easy
translocation
vascular
bundles,
these
fluorescence
nanosensors
can
be
applied
detect
rice
Oryza
sativa)
through
confocal
imaging.
The
treatment
BT@JCDs
concentration
0.2
1g/mL
not
only
triggered
photophysical
parameters
such
carbohydrates,
chlorophyll,
carotenoids
but
also
enhanced
antioxidant
enzyme
activity
promoting
plant
growth.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(13), P. 5996 - 6004
Published: March 19, 2024
Detection
and
sensing
of
amines
through
enhanced
fluorescence
emission
are
always
challenging
in
aqueous
solution.
The
range
different
Lewis
basicities,
shapes,
sizes
as
well
the
structural
arrangements
is
responsible
for
their
less
specificity
Here,
we
have
designed
a
highly
fluorescent
emissive
2D
+
→
3D
inclined
polycatenated
NO2-functionalized
flexible
metal–organic
framework
(MOF)
selective
segregation
electron-rich
aromatic
primary
from
electron-deficient
solution,
showing
behaviors.
MOF
having
an
asymmetric
unit
{[Cd(dim)(2-nta)(H2O)](H2O)(MeOH)}n
(1)
has
been
synthesized
by
slow
diffusion
process
characterized
thoroughly
single-crystal
powder
X-ray
diffraction
(PXRD)
other
physicochemical
methods.
desolvated
species
1
(Ref.
MOF)
found
to
be
stable
PXRD
adsorption
study.
profile
Ref.
shows
enhancement
presence
amines,
while
same
quenching
reported
here
consists
space
between
two
layers
that
orientations
analyte
(PAAs)
with
sizes.
above
findings
also
supported
time-resolved
spectroscopy.
respective
explained
interaction
CB
host
LUMO
guest
amines.
Therefore,
this
work
presents
operable
method
PAAs
using
single
compound,
which
MOF.
Chemistry - An Asian Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
Three
different
two
dimensional
Cd(II)‐based
metal−organic
frameworks
(MOFs)
have
been
synthesized
by
utilizing
same
N,N′‐donor
ligand
and
three
functionalized
dicarboxylate
linkers
namely
isophthalate,
5‐nitroisophthalate
5‐hydroxyisophthalate
for
compound
1
,
2
3
respectively.
The
compounds
that
are
isoreticular
bi‐walled
2D
frameworks,
show
dual
fluorescence
emission
spectra
their
π‐π*
n‐π*
excitation.
Compound
is
consists
of
unsubstituted
bridging
isophthalate
whereas
made
with
substituted
electron
withdrawing
–NO
group
donating
–OH
These
electronic
environments
in
MOFs
found
effective
to
respond
differently
towards
the
constitutional
isomers
aromatic
amines
having
suitable
environment.
responses
non‐polar
–CH
containing
picolylamine
moieties,
showing
maximum
enhancement
2‐picolylamine
comparison
3‐
4‐
isomer
derivates.
consisting
group,
more
significantly
rich
phenylenediamines
quenching
case
m‐phenylenediamine
compared
ortho
para
isomers.
change
functionalisation
from
helps
detect
deficient
aminopyridines;
where
has
observed
presence
3‐aminopyridine
contrast
its
other
Materials Advances,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
A
1D
coordination
polymer
(CP-1)
works
as
a
remarkable
detector
of
zinc
ions
well
DMF
analytes.
Interestingly,
the
fabricated
CP-1
and
its
composite
(rGO@CP-1)
also
shows
better
energy
storage
applications
with
good
cycling
stability.
Crystal Growth & Design,
Journal Year:
2024,
Volume and Issue:
24(14), P. 6017 - 6027
Published: July 6, 2024
Six
coordination
polymers
of
Zn(II)/Cd(II)/Co(II)
have
been
synthesized
using
the
same
N,N-donor
ligand,
namely,
N′-(1-(pyridine-3-yl)ethylidene)
isonicotinohydrazide
(3-pei)
and
two
aromatic
dicarboxylates,
terephthalate
(tp2–)
tetrabromo-terephthalate
(tbtp2–).
The
single-crystal
structural
analysis
reveals
a
one-dimensional
framework
interconnected
by
both
sides
dicarboxylyate
linker.
Notably,
presence
coordinated
water
in
all
compounds
prompted
an
investigation
into
solvent-dependent
transformations.
systematic
exploration
transformations
PXRD
confirmed
variations.
Furthermore,
band
gap
calculations
from
UV–vis
data
motivated
for
examination
conductive
properties
compounds.
conductivity
study
indicates
that
compared
to
Zn
Cd
complexes,
Co-based
complexes
(compounds
3
6)
exhibit
higher
conductance
values
5.76
×
10–4
1.33
10–3
Sm–1,
respectively,
which
may
be
applicable
semiconducting
materials.
superior
Co
six
are
explained
correlating
with
their
respective
structures.
