Journal of Electrochemical Science and Engineering,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 29, 2023
In
the
present
work,
we
prepared
a
simple
and
novel
electrochemical
sensor
based
on
zeolitic
imidazolate
framework-67
(ZIF-67)
ionic
liquid
1-Butyl-3-methylimidazolium
hexafluorophosphate
(BMIM.PF6)
modified
carbon
paste
electrode
(CPE),
which
was
effectively
used
for
determination
of
N-acetylcysteine.
The
cyclic
voltammetry
studies
demonstrated
lowest
peak
potential
enhanced
current
response
N-acetylcysteine
at
surface
ZIF-67/BMIM.PF6-modified
CPE
compared
to
other
CPEs
due
significant
catalytic
effect
ZIF-67
BMIM.PF6,
as
well
combination
them.
Under
optimized
conditions,
ZIF-67/BMIM.PF6/CPE
provided
good
linear
relationship
with
N-acetylcysteine
concentration
from
0.04
435.0
µM.
limit
detection
is
estimated
be
0.01
μM
further
measurements,
estimation
in
tablet
samples
confirms
usefulness
sensor.
Industrial Chemistry and Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Elaeagnus
angustifolia
gum
offers
a
good
polysaccharide
biomass
source
for
producing
porous
biochar.
The
incorporation
of
CoO
cracked
nanoplate
and
the
biochar
gave
promising
application
in
analysis
clinical
urine.
Emergent Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Metal-organic
frameworks
(MOF)
are
an
extraordinarily
versatile
class
of
porous
nanostructured
materials
that
have
gained
popularity
in
several
scientific
fields.
Organic
ligands
coupled
to
the
inorganic
metal
centers
or
clusters
produce
MOFs.
This
frontier
review
paper
critically
summarizes
most
recent
developments
MOF-based
for
electrochemical
(EC)
detection
key
biomarkers,
including
glucose,
dopamine,
lactic
acid,
L-tryptophan,
uric
and
ascorbic
acids,
H
2
O
,
nicotine.
Various
techniques,
such
as
cyclic
voltammetry
(CV),
chronoamperometry,
differential
pulse
(DPV)
been
employed
enhance
sensitivity
specificity.
EC
sensing
systems
hold
promise
medical
diagnostics,
particularly
diseases
diabetes,
neurodegenerative
cardiovascular
disorders,
cancer.
These
sensors
offer
distinctive
features
like
extensive
specific
surface
area,
tunable
pore
sizes,
exceptional
catalytic
performance,
abundant
active
sites,
enabling
sensitive,
rapid,
cost-effective
biomarker
detection.
The
construction
different
nanostructures,
nanoparticles,
nanorods,
nanowires,
three-dimensional
networks,
has
further
improved
electro-catalytic
efficiency
materials.
We
also
assess
performance
advanced
MOF-derived
sensor
platforms,
discuss
future
challenges
potential
improvements,
enzyme-free
clinical
diagnostics.
work
underscores
effective
tools
detecting
a
wide
range
compounds
biomolecules
relevant
human
health.
Graphical
abstract