Alkyl Chain Length Dependent Luminescence and Single‐Component White‐Light Emission from Gemini Aliphatic Quaternary Ammonium Salts
Advanced Optical Materials,
Год журнала:
2024,
Номер
12(19)
Опубликована: Март 14, 2024
Abstract
Aliphatic
quaternary
ammonium
salts
(QASs)
with
intrinsic
photoluminescence
(PL)
have
drawn
increasing
attention
due
to
the
importance
of
exploring
mechanism
ionic
emissive
clusters,
whereas
it
remains
challenging
clarify
structure–property
relationships.
Here,
effective
modulation
photophysical
properties
gemini
aliphatic
QASs
(
n
‐BTADB)
is
managed
by
altering
alkyl
chain
length.
Boosted
quantum
yields
(up
24.6%),
prolonged
phosphorescence
lifetimes
515.2
ms),
and
varied
PL
colors
are
achieved
manipulating
aggregation
states
compounds.
Interlaced
herringbone
packing
patterns
strong
interactions
facilitate
intersystem
crossing
process
stabilize
triplets.
The
confluence
hydrophobic
flexibility
results
in
fluctuation
as
lengthens.
Furthermore,
single‐component
white‐light
emission
obtained
12‐HBTADB
crystals
introducing
electron‐rich
hydroxyls.
These
shed
new
light
on
relationships
clusters
rational
design
nonconventional
luminophores.
Язык: Английский
A new fluorescence probe for sofosbuvir analysis in dosage form and spiked human plasma
Luminescence,
Год журнала:
2024,
Номер
39(4)
Опубликована: Апрель 1, 2024
Abstract
A
simple,
rapid,
and
low‐cost
technique
was
developed
to
allow
reliable
analysis
of
the
anti‐hepatitis
C
drug
sofosbuvir
in
bulk,
tablet
form,
spiked
human
plasma.
This
method
depends
on
ability
quench
fluorescence
newly
synthesized
2‐amino‐3‐cyano‐4,6‐dimethylpyridine
(reagent
3
).
Elemental
spectral
data
were
used
validate
structure
reagent.
The
reagent
exhibited
a
satisfactory
level
emission
at
365
nm
after
excitation
247
nm.
All
experimental
variables
that
might
affect
quenching
process
analyzed
optimized.
Linearity,
range,
accuracy,
precision,
limit
detection
(LOD),
quantitation
(LOQ)
all
validated
accordance
with
International
Council
for
Harmonization
Technical
Requirements
Pharmaceuticals
Human
Use
(ICH)
guidelines.
concentration
range
shown
be
linear
between
0.1
1.5
μg/mL.
effectively
utilized
both
its
dosage
form
plasma,
mean
percentage
recoveries
100.13
±
0.35
94.26
1.69,
respectively.
Язык: Английский
Upcycling of PVC waste to high-value sorbent with KOH-activation for efficient removal of organic dyes
Chemosphere,
Год журнала:
2024,
Номер
359, С. 142283 - 142283
Опубликована: Май 9, 2024
Язык: Английский
Unconventional Fluorescent and Multi-responsive Polyethyleneimine with LCST and UCST Behavior: Synthesis, Characterization and Biological Applications
Chinese Journal of Polymer Science,
Год журнала:
2024,
Номер
42(6), С. 826 - 837
Опубликована: Апрель 15, 2024
Язык: Английский
Unconventional Fluorescent and Multi-responsive Polysiloxane: Synthesis, Characterization and Biological Applications
Chinese Journal of Polymer Science,
Год журнала:
2024,
Номер
42(5), С. 579 - 590
Опубликована: Фев. 23, 2024
Язык: Английский
Phase Transition and Fluorescence Emission of Multiresponsive Poly(ethylene glycol-co-siloxane) and Its Application for Uric Acid Detection
ACS Applied Polymer Materials,
Год журнала:
2023,
Номер
5(11), С. 9413 - 9424
Опубликована: Окт. 12, 2023
In
recent
years,
multiresponsive
polymers
with
nonconjugated
chromophores
featuring
cluster-triggered
emission
(CTE)
have
attracted
significant
attention
due
to
their
wide
applications
and
interests
in
fundamental
studies.
There
is
a
lack
of
studies
correlating
the
fluorescent
properties
distinct
stimuli-responsiveness
although
CTE
materials
been
well
studied.
Herein,
we
introduced
poly(ethylene
glycol)-polysiloxane
copolymer,
PEG-Si,
which
exhibits
responsiveness
temperature,
pH,
CO2,
salinity,
adjustable
phase
transition
reversible
fluorescence.
PEG-Si
was
synthesized
by
catalyst-free
aza-Michael
addition
PEG
diacrylate
bis(3-aminopropyl)-tetramethyldisiloxane
dichloromethane.
The
structure
characterized
using
various
spectroscopic
methods
such
as
NMR
Fourier
transform
infrared
spectroscopy
(FTIR).
light
transmittance
fluorescence
performance
were
measured
at
different
temperatures
under
varying
conditions,
including
polymer
composition,
concentration,
bubbled
observe
evolution.
relationship
between
process
described.
results
demonstrate
that
can
be
used
temperature
pH
thermometer
biosensor
for
detection
uric
acid
limit
1.02
μmol/L.
This
study
proposes
practical
strategy
designing
features
provides
insights
into
correlation
properties,
contributes
development
advanced
diverse
applications.
Язык: Английский
Synthesis, characterization, fluorescent emission of sodium poly(ethylene glycol) and its uses in sensing, cell imaging and data encryptions
Chemical Engineering Journal,
Год журнала:
2023,
Номер
478, С. 147449 - 147449
Опубликована: Ноя. 18, 2023
Язык: Английский
Catalytic Upcycling of Waste Pvc to High-Value Sorbent with Koh Activation for Efficient Removal of Detrimental Dyes
Опубликована: Янв. 1, 2023
Polyvinyl
chloride
(PVC),
known
for
its
chemical
stability
and
flame-retardant
qualities,
has
many
uses
in
various
fields,
such
as
pipes,
electric
wires,
cable
insulation.
Research
established
potential
recovery
a
fluidic
fuel
through
pyrolysis,
but
the
use
of
PVC
pyrolysis
oil,
which
is
tainted
by
chlorine,
constrained
low
heat
value
harmful
environmental
effects.
This
study
engineered
layered
double
hydroxide
(LDH)
to
tackle
these
challenges.
The
LDH
facilitated
dechlorination
during
bolstered
thermal
via
cross-linking.
During
with
LDH,
was
transformed
into
carbon-rich
precursors
sorbents.
Chemical
activation
residues
using
KOH
created
sorbents
specific
surface
area
1495.4
m²
g⁻¹,
rendering
them
hydrophilic.
These
resulting
displayed
impressive
adsorption
capabilities,
removing
up
486.79
mg
g⁻¹
methylene
blue
exhibiting
selectivity
cations.
Язык: Английский