Scientific Reports,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: June 17, 2021
Abstract
The
current
study
explicates
the
electro-oxidation
behavior
of
formoterol
fumarate
(FLFT)
in
presence
uric
acid
(UA)
on
surface
poly
thiazole
yellow-G
(TY-G)
layered
multi-walled
carbon
nanotube
paste
electrode
(MWCNTPE).
modified
(Poly(TY-G)LMWCNTPE)
and
unmodified
(MWCNTPE)
materials
were
characterized
through
electrochemical
impedance
spectroscopy
(EIS),
field
emission
scanning
electron
microscopy
(FE-SEM),
cyclic
voltammetry
(CV)
approaches.
characterization
data
confirms
good
conducting
electrocatalytic
nature
with
more
active
sites
Poly(TY-G)LMWCNTPE
than
MWCNTPE
towards
FLFT
analysis
UA.
easily
separates
two
drugs
(FLFT
UA)
even
though
they
both
have
nearer
oxidation
peak
potential.
electro-catalytic
activity
developed
is
fast
clear
for
0.2
M
phosphate
buffer
(PB)
pH
6.5.
offered
a
well-resolved
highest
at
potential
0.538
V
MWCNTPE.
scan
rate
growth
time
studies
show
reaction
continued
diffusion-controlled
step.
variation
concentration
range
from
to
1.5
µM
(absence
3.0
8.0
μM
(presence
provides
linear
relationship
increased
lower
limit
detection
(LOD)
values
0.0128
0.0129
µM,
respectively.
prepared
gives
fine
recovery
medicinal
sample
acceptable
repeatability,
stability,
reproducibility.
Electroanalysis,
Journal Year:
2021,
Volume and Issue:
33(5), P. 1356 - 1369
Published: Feb. 17, 2021
Abstract
Herein,
nitrogen,
sulfur
co‐doped
carbon
dots
(N,S−CDs)
have
been
synthesized
by
a
cost‐natural
fabrication
method
using
waste
orange‐peel
as
natural‐carbon‐precursor.
N,S−CDs
hydrothermally
anchored
to
the
three‐dimensional‐graphene‐networks
(3D−GNs)
boost
electrocatalytic
activity
defective
surface
effect.
Due
synergistic
utilization
of
heteroatoms,
and
effective
mass‐transfer
improved
transport
kinetics
resulting
from
interconnected
3D‐architecture,
3D−GNs
(N,S−CDs@3D−GNs)
grant
superior
oxygen‐reduction‐reaction
(ORR)
activity.
N,S−CDs@3D−GNs
exhibit
dominant
four‐electron
pathway
(
n=3.89
)
for
ORR
in
alkaline
media
besides
methanol
tolerance
robust
stability.
This
work
opens
door
converting
low‐value
agricultural
wastes
into
value‐added
materials
utilizing
energy
application.
