The Journal of Physical Chemistry B,
Journal Year:
2024,
Volume and Issue:
128(41), P. 10258 - 10271
Published: Sept. 24, 2024
Polyaniline
(PANI)-based
molecularly
imprinted
polymers
were
investigated
for
their
efficacy
in
sensing
phenylalanine
(Phe)
when
fabricated
on
both
glassy
carbon
electrode
(GCE)
and
indium
tin
oxide
(ITO)
sheets.
This
study
highlights
the
superior
performance
of
PANI-MIP/ITO
over
PANI-MIP/GCE
Phe,
with
clear
distinct
redox
responses.
Molecular
computation
helps
to
understand
interaction
mechanism
between
PANI
where
molecular
crowding,
aggregated
clusters,
hydrogen
bonding,
π-π
stacking
facilitate
stable
interactions.
We
tested
specificity
Phe
by
PANI-MIP
different
amino
acids
such
as
cysteine,
tryptophan,
tyrosine
well
organic
molecules
ascorbic
acid,
allantoin,
sucrose,
urea,
confirming
its
remarkable
electrochemical
efficiency.
The
oxidation
response
curve
yielded
a
limit
detection
4.88
μM
quantification
16.3
μM,
comparable
or
better
than
earlier
reported
sensors.
work
demonstrates
promise
MIP-based
sensing.
It
also
lays
groundwork
future
investigations
into
optimizing
PANI-MIPs
nanocomposites
develop
more
selective
Microchimica Acta,
Journal Year:
2025,
Volume and Issue:
192(2)
Published: Feb. 1, 2025
Abstract
A
hydrazine
(HYD)
detection
method
is
presented
based
on
molecularly
imprinting
polymers
(MIPs)
and
cobalt-barium
stannate
nanoparticles
incorporated-functionalized
MWCNTs
(CBSNPs/f-MWCNTs)
nanocomposite.
Firstly,
co-precipitation
sonication
techniques
were
applied
to
the
preparations
of
CBSNPs
CBSNPs/f-MWCNTs
nanocomposite,
respectively.
Since
waste
generation
occurs
at
a
minimum
level
in
these
techniques,
an
environmentally
friendly
nanocomposite
was
prepared.
After
glassy
carbon
electrode
modification
with
HYD
imprinted
electrodes
fabricated
using
cyclic
voltammetry
(CV)
dispersion
containing
100.0
mM
pyrrole
(Py)
monomer
25.0
molecule.
The
resulting
electrochemical
sensor
demonstrated
span
1.0
×
10
−9
M
−8
achieved
limit
(LOD)
3.0
−10
M.
Furthermore,
developed
used
for
actual
tap
water
samples,
obtained
values
close
100.00%
recovery
experiments
showed
high
accuracy
real
sample
analysis.
Finally,
selectivity,
stability,
reproducibility
created
investigated,
has
been
have
stability
least
7
weeks,
relative
standard
deviation
(RSD)
value
0.14%,
selectivity
samples.
Graphical
Journal of Membrane Science,
Journal Year:
2024,
Volume and Issue:
709, P. 123084 - 123084
Published: July 14, 2024
Hepatitis
A
virus
(HAV)
is
primarily
transmitted
through
contaminated
water.
This
study
developed
bioselective
polyvinylidene
fluoride
(PVDF)
and
polyethersulfone
(PES)
membranes
chitosan
hydrophilic
surface
modification
immobilization
of
HAV-specific
epitope-imprinted
polymers
(eIPs)
to
remove
trace
levels
HAV.
The
HAV
epitope
was
imprinted
using
solid-phase
synthesis,
involving
template
on
glass
beads,
polymerization
monomers,
elution
eIPs.
chosen
from
the
capsid
knob
enhanced
binding
affinity
due
its
high
accessibility
hydrophilicity.
average
hydrodynamic
size,
polydispersity
index,
zeta-potential
eIP
particles
were
232.6
nm,
0.29,
−44.36
mV,
respectively,
indicating
their
stability
in
liquid
environments.
X-ray
photoelectron
spectroscopy
(XPS)
Raman
spectroscopies
confirmed
functionalization
PVDF/PES
membranes.
fluorescence
microscopy
with
Rhodamine
B
monomer's
strong
intensity.
Atomic
force
(AFM)
monitoring
showed
that
enlarged
pore
structures
PVDF
improved
chemical
phase
distribution
PES
membrane
surfaces.
bare
chitosan-functionalized
PES/PVDF
after
had
lowest
highest
root
mean
square
roughness
values,
respectively.
Morphological
changes
observed
via
scanning
electron
(SEM)
revealed
smoothed
by
reducing
porosity,
while
increased
irregularities
sharper
edges
blob-like
structures.
Functionalized
hydrophilicity
filtration
efficiency,
whereas
naturally
maintained
consistent
water
absorption.
Chitosan
significantly
permeation
flux
increasing
improving
performance
capacity.
Virus
concentrations
measured
pre-
post-filtration
a
UV–visible
spectrophotometer
assess
performance.
Absorbance
at
215
nm
linear
relationship
0.006
13.5
IU
mL−1,
quantification
limit
0.36
mL−1
under
optimal
conditions.
These
new
removed
99.99
%
viruses
samples,
showing
robust
elimination
capabilities
practical
potential
for
drinking
purification.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 6, 2024
Abstract
The
convergence
of
tumor
epigenetics
and
molecularly
imprinted
polymers
(MIPs)
holds
promise
in
early
cancer
diagnostics.
To
the
best
knowledge,
none
studies
has
achieved
DNA
methylation
detection
yet
using
MIPs
proposed
research
will
pioneer
application
for
detecting
methylation,
introducing
a
novel
approach
to
enhance
diagnostic
precision.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 10, 2024
Abstract
Molecular
imprinting
technology
(MIT)
stands
out
for
its
exceptional
simplicity
and
customization
capabilities
has
been
widely
employed
in
creating
artificial
antibodies
that
can
precisely
recognize
efficiently
capture
target
molecules.
Concurrently,
nanozymes
have
emerged
as
promising
enzyme
mimics
the
biomedical
field,
characterized
by
their
remarkable
stability,
ease
of
production
scalability,
robust
catalytic
activity,
high
tunability.
Drawing
inspiration
from
natural
enzymes,
molecularly
imprinted
combine
unique
benefits
both
MIT
nanozymes,
thereby
conferring
biomimetic
catalysts
with
substrate
specificity
selectivity.
In
this
review,
latest
strategies
fabrication
focusing
on
use
organic
polymers
inorganic
nanomaterials
are
explored.
Additionally,
cutting‐edge
techniques
generating
atom‐layer‐imprinted
islands
ultra‐thin
atomic‐scale
thickness
is
summarized.
Their
applications
particularly
noteworthy
fields
catalyst
optimization,
detection
techniques,
therapeutic
strategies,
where
they
boost
reaction
selectivity
efficiency,
enable
precise
identification
quantification
substances,
enhance
effectiveness
while
minimizing
adverse
effects.
Lastly,
prevailing
challenges
field
delineate
potential
avenues
future
progress
encapsulated.
This
review
will
foster
advancements
expand
applications.