ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(44)
Published: Nov. 1, 2024
Abstract
Hydrogen
peroxide
(H
2
O
),
a
prominent
reactive
oxygen
species
in
organisms,
plays
vital
role
regulating
fundamental
biological
activities
and
actively
participates
cellular
metabolism
stress
response.
Gaining
insights
into
the
quantifying
H
within
living
organisms
has
significant
implications
for
human
health
research.
The
2D
transition
metal
nitride
(Ti
NT
x
MXene)
exhibits
thin
crystal
structure
enhanced
electrical
conductivity.
A
simple
electrochemical
sensing
method
is
presented
by
employing
palladium
modification
on
Ti
MXene.
Characterization
analysis
confirmed
successful
etching
of
AlN
MAX
phase
accordion‐like
morphology
MXene
Li
+
intercalation,
Pd
NPs
were
uniformly
dispersed
onto
nanosheets.
Electrochemical
revealed
that
optimal
detection
performance
was
achieved
when
had
an
optimum
amount
(2
wt%)
at
−0.4
V,
exhibiting
excellent
stability
low
concentrations.
limit
determined
to
be
0.72
µM,
with
calculated
sensitivity
0.825
µA
µM
−1
cm
−2
.
This
study
establishes
identifies
Pd‐Ti
as
promising
candidate
applications
targeting
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 22, 2024
Abstract
The
increasing
prevalence
of
health
concerns
has
sparked
a
demand
for
advanced
monitoring
tools,
which
is
significant
challenge
researchers.
Analysis
biofluid
samples
and
biomarker
vital
comprehensive
assessment.
In
this
context,
metal–organic
frameworks
(MOFs)
have
emerged
as
one
the
leading
materials
developing
cutting‐edge
artificial
sensors.
These
unique
MOFs
been
developed
from
metallic
organic
linkers
consist
tunable
pores
dynamic
surface
areas,
attracting
various
guest
molecules
to
participate
in
electrochemical
devices.
This
study
gateway
world
where
MOF
designs
transcend
mere
inventions,
morphing
into
electric
marvels
that
revolutionize
urine
sample
monitoring.
From
inception
design
fabrication
sensors
tailored
applications,
prides
itself
on
elucidating
factors
affecting
MOF‐based
electrical
devices
Moreover,
focus
placed
conductivity,
electrode
properties,
recent
state‐of‐the‐art
analysis,
highlighting
pivotal
role
biomarkers
play
honing
resilience
performance
Finally,
specific
used
analysis.
It
will
attract
researchers
develop
new
portable
tools
by
analyzing
samples.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
7(1), P. 1388 - 1401
Published: Dec. 18, 2023
Hybrid
nanomaterials
with
distinct
properties
and
morphologies
when
clubbed
within
a
sensor
matrix
can
generate
synergistic
effect
on
molecular
sensing.
In
this
work,
creation
of
such
nanohybrid
platform
has
been
attempted
for
rapid
detection
hydrogen
peroxide
(H2O2),
which
tremendous
role
in
area
medical
diagnostics.
Conventionally,
the
peroxidase
(POD)
enzyme
catalyzes
H2O2;
however,
it
is
prone
to
inherent
chemical
thermal
instabilities
reducing
overall
stability
shelf
life
probe.
A
possible
solution
problem
work
where
nonenzymatic
mimic
probe
comprising
gold
nanodendrites
(AuND),
nickel
metal
organic
framework
(Ni-MOF),
hydrazine
synergistically
deployed
H2O2.
The
developed
rigorously
characterized
through
various
characterization
techniques,
including
scanning
microscopy
(SPM),
electron
(SEM),
energy
dispersive
X-ray
analysis
(EDX-mapping),
Fourier
transform
infrared
spectroscopy
(FTIR),
diffraction
(XRD),
photoelectron
(XPS),
cyclic
voltammetry
(CV),
electrochemical
impedance
(EIS).
demonstrated
impressive
analytical
performance,
possessing
linear
dynamic
range
(LDR)
between
1
×
10–8
M
10–15
limit
(LOD)
0.34
(±0.05)
M.
probe's
average
response
time
changing
H2O2
concentrations
was
5.02
±
0.42
s,
making
an
agile
sensing
detection.
displayed
minimal
toward
interferants
as
superoxide
radicals,
ascorbic
acid,
cysteine,
glucose,
alanine,
citric
usually
coexist
real
sample
matrix.
order
investigate
real-life
applicability
probe,
involving
synthetic
serum
adopted,
yielded
current
recovery
90.20
94.14%.
fabrication
on-chip
synthesis
procedure
are
facile,
robust
efficient
free
radicals
clinical
settings.
