ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(39)
Published: Oct. 1, 2024
Abstract
The
development
of
simple,
accurate,
responsive,
and
selective
antimicrobial
drug
analysis
platforms
is
extremely
important
for
biomedical
research.
Developing
a
novel
electrode
material
that
possesses
low
detection
limit,
high
sensitivity,
stability
continues
to
be
difficult
undertaking.
Here,
vanadium
tungstate
nanostones
(VWNs)
were
synthesized
by
utilizing
facile
sonochemical
method
with
the
aid
urea
ethylene
glycol
application
in
electrochemical
sensing
antibiotic
nitrofurantoin
(NFT).
Using
distinct
analytical
methods,
structural
morphological
characteristics
as‐prepared
transducer
described.
Further,
behaviour
modified
analysed
using
cyclic
voltammetry
liner
sweep
voltammetry.
Under
optimal
conditions
VWNs/GCE
exhibited
superior
electrocatalytic
activity
towards
NFT
linear
range
(20–160
μM),
limit
(0.019
μM)
better
sensitivity
(0.69
μM
−1
cm
−2
).
demonstrated
remarkable
repeatability,
reproducibility,
excellent
stability,
indicating
its
potential
as
an
electrocatalyst.
Ultimately,
suggested
was
used
measure
FLT
real
samples
like
tap
water
capsule.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(37), P. 39242 - 39252
Published: Sept. 4, 2024
In
this
study,
we
have
developed
a
nanostructured
electrochemical
sensor
based
on
modified
graphene
nanoribbons
tailored
for
the
analysis
of
nonelectroactive
compounds
via
surface
competitive
assay.
Stigmasterol,
phytosterol,
was
selected
as
representative
case.
Chevron-like
nanoribbons,
chemically
synthesized,
were
immobilized
onto
glassy
carbon
electrodes
and
covalently
functionalized
to
allow
on-surface
formation
supramolecular
complex.
To
end,
first
through
diazotization
process
by
reduction
4-azidoaniline
diazonium
salt,
leaving
electrode
with
azide
groups
exposed
solution.
Next,
incorporation
ferrocene
group,
redox
probe,
carried
out
click
chemistry
reaction
between
ethynylferrocene
these
groups.
Finally,
recognition
event
leads
complex
macrocyclic
receptor
surface.
receptors
cucurbit[7]uril,
cucurbit[8]uril,
β-cyclodextrin
evaluated,
better
results
obtained
β-cyclodextrin.
Atomic
force
microscopy
scanning
electron
measurements
performed
morphological
characterization
resulting
platform
The
ability
form
an
inclusion
or
stigmasterol
allows
perform
assay,
which
translates
into
decrease
recovery
signal.
For
determination,
linear
concentration
range
200
750
μM
detection
limit
60
obtained,
relative
errors
standard
deviations
less
than
7.1
9.8%,
respectively.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(39)
Published: Oct. 1, 2024
Abstract
The
development
of
simple,
accurate,
responsive,
and
selective
antimicrobial
drug
analysis
platforms
is
extremely
important
for
biomedical
research.
Developing
a
novel
electrode
material
that
possesses
low
detection
limit,
high
sensitivity,
stability
continues
to
be
difficult
undertaking.
Here,
vanadium
tungstate
nanostones
(VWNs)
were
synthesized
by
utilizing
facile
sonochemical
method
with
the
aid
urea
ethylene
glycol
application
in
electrochemical
sensing
antibiotic
nitrofurantoin
(NFT).
Using
distinct
analytical
methods,
structural
morphological
characteristics
as‐prepared
transducer
described.
Further,
behaviour
modified
analysed
using
cyclic
voltammetry
liner
sweep
voltammetry.
Under
optimal
conditions
VWNs/GCE
exhibited
superior
electrocatalytic
activity
towards
NFT
linear
range
(20–160
μM),
limit
(0.019
μM)
better
sensitivity
(0.69
μM
−1
cm
−2
).
demonstrated
remarkable
repeatability,
reproducibility,
excellent
stability,
indicating
its
potential
as
an
electrocatalyst.
Ultimately,
suggested
was
used
measure
FLT
real
samples
like
tap
water
capsule.
