South African Journal of Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
48, P. 184 - 193
Published: Feb. 6, 2024
This
paper
reports
the
ability
of
chitosan-reduced
graphene
oxide
(rGO)
modified
electrode
as
a
sensitive
layer
working
in
detecting
formaldehyde.
The
substrate
is
form
copper-SPE
which
has
been
shaped
into
5
mm
area.
On
top
electrode,
number
chitosan
and
matrices
were
placed
thin
film
that
works
electrode.
Characterization
films
was
done
using
SEM,
TEM,
AFM
FTIR.
test
for
electrochemical
sensing
observed
cyclic
voltammetry
(CV),
whereas
chitosan-rGO
deposited
onto
surface
electrodes.
novelty
this
research
utilization
based
testing
results
showed
sensitivity
response
increased
when
used
formaldehyde
detection
compared
to
It
proven
from
value
at
lowest
4.6
×
10−4
µA/µM
linear
range
1-12
µM/L,
well
worked
limit
(LoD)
0.36
µM/L
quantification
(LoQ)
1.21
µM/L.
TrAC Trends in Analytical Chemistry,
Journal Year:
2022,
Volume and Issue:
158, P. 116830 - 116830
Published: Nov. 17, 2022
The
critical
food
safety
assessment
is
one
of
the
essences
modern
industry.
major
factors
contributing
to
this
include
increased
public
awareness
safe
and
surge
in
quantity
variety
pollutants
because
globalization,
industrialization,
population
growth.
With
molecularly
imprinted
polymer
(MIP)
recognition
units,
electrochemical
sensors
have
opted
for
analysis
recent
decades.
MIP-based
are
versatile
as
they
can
be
devised
different
contaminants.
They
offer
simplicity
terms
sensor
preparation
measurement
cost-efficiency.
These
sensors'
affinity
target
analytes
often
high.
In
effect,
number
publications
reporting
MIP
chemosensors
quality
monitoring
applications
has
significantly
increased.
Therefore,
present
review
highlights
developments
fabricating
recognition-units-based
their
determining
contaminants
various
drink
matrices.
Journal of Materials Research and Technology,
Journal Year:
2023,
Volume and Issue:
26, P. 5921 - 5974
Published: Sept. 1, 2023
Conducting
polymer
nanocomposites
(CPNC's)
are
promising
materials
for
sensor
devices
possessing
design
pliability,
good
sensitivity,
and
low
temperature
operation.
For
producing
conducting
with
tunable
morphology,
the
soft
template
procedure
is
one
of
advantageous
aspects
as
reported
from
in-depth
literature.
Since
diameter
aspect
ratio
conducting-polymer
nanomaterials
have
affected
charge-transport
properties,
hence,
fine
tuning
their
structures
important
to
enhance
sensitivity.
This
review
has
focused
on
CPNC's
membranes,
insulative-polymers
conductive-fillers
based
(IPCFCPNC's)
(CFPNC's)
which
been
incorporated
in
many
prior
literary
sources
including
usage
strain
sensors
some
sensing
applications
detection
pressure,
gas
humidity,
etc.
As
sheds
light
incorporating
specific
types
nanofillers,
such
graphene
or
carbon
nanotubes
filling-agents,
into
membrane
matrix
insulative-polymeric-matrices,
it
will
be
possible
improve
mechanical
stability,
enabling
them
used
high-performance
applications.
In
addition,
evident
that
by
using
advanced
fabrication
techniques,
electrospinning,
create
thin,
flexible
membranes
exhibit
high
sensitivity
stability
towards
target
analytes.
Therefore,
feasibility
CPNC's,
IPCFCPNC's,
CFPNC's
thoroughly
reviewed
purpose
realize
novel
CPNC
other
may
cater
new
horizons
high-end
smart
Additionally,
discovery
combine
conductivity
measurement
rheology
analysis
a
emerging
class
remarkable
electrical
properties.
It
highly
appealing
find
out
more
about
CFPNC's,
role
matrices,
considering
unique
Based
polymers
(CPs),
conductive
filling-agents
during
past
forty
years,
properties
performance
matrices
investigated
diverse
carbon-based
nano-additives
nano
filling-agents.
Furthermore,
another
area
interest
use
CPCs,
development
bio-sensors.
can
functionalized
biological
molecules
enzymes,
antibodies,
nucleic
acids,
sensitive
various
markers,
glucose,
lactate,
pH.
Along
myriads
illustrations
accordance
CPs
composites
nanoparticles,
materials,
insulative-polymeric-matrices
etc.,
salient
characteristics
enumerated
this
comprehensive
review.
CFPNC's-sensing
analytical
widespread
spectrum
multifaceted
future
research
trends.
Chemosensors,
Journal Year:
2025,
Volume and Issue:
13(2), P. 50 - 50
Published: Feb. 3, 2025
The
realization
of
the
oriented
immobilization
antibodies
onto
surfaces
solid
or
nanometal
particles
constitutes
a
significant
approach
for
enhancing
performance
electrochemical
immunosensors.
In
light
research
findings
predecessors,
this
review
showcases
several
methods,
categorizing
them
into
covalent
binding
pathways,
bioaffinity
techniques,
and
other
modalities
elaboration.
Emphasis
is
placed
on
expounding
sites,
mechanisms,
as
well
merits
drawbacks
techniques
such
those
involving
disulfide
bonds,
glycan
chains,
protein
A,
G,
DNA.
