Journal of The Electrochemical Society,
Год журнала:
2024,
Номер
171(10), С. 107507 - 107507
Опубликована: Окт. 1, 2024
A
highly
selective
and
sensitive
method
for
detecting
methotrexate
(MTX)
in
serum
samples
using
a
molecularly
imprinted
electrochemical
sensor
have
been
developed.
The
preparation
of
the
magnetic
polymers
(MIPs)
employed
MTX
as
template,
which
was
synthesized
via
sol-gel
technology.
These
were
then
integrated
with
carbon
paste
to
create
MMIPs/CPE
(MMPE)
sensor.
Under
optimized
conditions,
MMPE
exhibited
outstanding
selectivity
sensitivity
detection,
two
linear
ranges
0.01–0.5
0.5–20.0
μM,
detection
limit
just
1.63
nM.
Furthermore,
sensor’s
practical
application
sample
analysis
demonstrated
its
efficacy,
recovery
rates
between
81.0%
125.0%.
This
innovation
holds
promise
clinical
diagnosis
therapeutic
applications,
facilitating
accurate
specific
samples.
Applied Organometallic Chemistry,
Год журнала:
2024,
Номер
38(12)
Опубликована: Авг. 26, 2024
ABSTRACT
This
study
introduces
a
new
electrochemical
sensor
for
bisphenol
A
(BPA)
and
metal
ions
utilizing
microsphere
dual‐ligand
Ni‐based
MOFs
modified
carbon
paste.
The
(Ni‐bipy‐btc)
synthesized
from
dual‐ligands
were
prepared
via
hydrothermal
method
characterized
using
X‐ray
diffraction
(XRD),
scanning
electron
microscope
(SEM),
FT‐IR
spectrometer,
photoelectron
spectrum
(XPS),
specific
surface
area
test
(BET)
analysis.
resulting
exhibited
promising
performance
as
electrode
materials
sensors
targeting
the
detection
of
BPA
heavy
(Pb
2+
Cu
).
linear
range
(Ni‐bipy‐btc)/CPE
ranged
0.2
to
150
μM,
with
limit
0.045
demonstrating
robust
immunity
stability.
Additionally,
was
found
be
4.3
9.5
nM
Pb
ions,
respectively,
showcasing
excellent
stability
reproducibility.
presents
straightforward
approach
highly
sensitive
simple
reaction
method.
Journal of Separation Science,
Год журнала:
2024,
Номер
47(19)
Опубликована: Окт. 1, 2024
Molecularly
imprinted
polymers
(MIPs)
are
very
suitable
for
extraction,
drug
delivery
systems,
and
sensors
due
to
their
good
selective
adsorption
ability,
but
the
difficulty
of
eluting
templates
during
synthesis
limitation
application
scenarios
put
higher
demands
on
MIPs.
Stimuli-responsive
MIPs
(SR-MIPs)
can
actively
respond
changes
in
external
conditions
realize
various
functions,
which
provides
new
ideas
further
development
This
paper
reviews
multiple
response
modes
MIPs,
including
common
temperature,
pH,
photo,
magnetic,
redox-responsive
rare
gas,
biomolecule,
ion,
solvent-responsive
explains
mechanism,
composition,
applications
such
SR-MIPs.
These
SR-MIPs
resulting
dual/multiple-responsive
have
selectivity,
controllability,
promising
isolation
targeted
delivery,
electro-sensor.
Molecules,
Год журнала:
2024,
Номер
29(19), С. 4630 - 4630
Опубликована: Сен. 29, 2024
A
new
molecularly
imprinted
polymer
(MIP)-based
disposable
electrochemical
sensor
for
dipyridamole
(DIP)
determination
was
obtained.
The
rapidly
prepared
by
potentiodynamic
polymerization
on
a
pencil
graphite
electrode
(PGE)
using
curcumin
(CUR)
as
functional
monomer
and
DIP
template
molecule.
After
the
optimization
of
conditions
(pH,
monomer–template
ratio,
scan
rate,
number
cyclic
voltammetric
cycles
applied
in
electro-polymerization
process
extraction
time
molecule)
MIP
formation,
behavior
at
modified
(MIP_PGE)
investigated.
oxidation
took
place
pH-dependent,
irreversible
mixed
diffusion-adsorption
controlled
process.
Differential
pulse
voltammetry
(DPV)
adsorptive
stripping
differential
(AdSDPV)
were
used
to
quantify
from
pharmaceutical
tap
water
samples.
Under
optimized
(Britton–Robinson
buffer
pH
=
3.29),
obtained
linear
ranges
5.00
×
10−8–1.00
10−5
mol/L
10−9–1.00
10−7
DPV
AdSDPV,
respectively.
limits
detection
methods
1.47
10−8
3.96
10−9
AdSDPV.
