Turkish Journal of Engineering,
Journal Year:
2024,
Volume and Issue:
8(3), P. 551 - 562
Published: July 28, 2024
Microfluidic
paper-based
analytical
devices
(µPADs)
and
microfluidic
thread-based
(µTADs)
have
recently
been
introduced
as
a
new
class
of
on-site
monitoring
devices.
Creating
hydrophilic
channels
with
hydrophobic
barriers
on
papers/threads
produces
µPADs/µTADs.
Fabrication
is
crucial
step
in
creating
durable
µPADs/µTADs
that
can
withstand
various
liquids
impact
the
device's
performance.
materials
distinct
physicochemical
properties
allow
systems
sophisticated
functions
to
be
customized
for
specific
applications.
We
present
flexible
low-cost
fabrication
methods
µPAD
µTAD
platforms.
Platform
designs
fabrications
were
implemented
using
trial-and-error
method
varying
parameters.
All
production
presented
section
used
production.
For
comparison
studies,
only
dipping
was
due
its
ease
application.
In
this
study,
we
tried
reveal
strengths
weaknesses
techniques
resulting
A
leaching
test
performed
water
solutions
containing
red
ink.
The
compatibility
walls
platforms
tested
several
solvents
(isopropanol,
methanol,
acetone),
deionized
(DI)
water,
phosphate
buffer
solution
PBS
compared.
Patterning
paper
polydimethylsiloxane
(PDMS),
white
glue,
alkyl
ketene
dimer
(AKD),
beeswax,
paraffin
are
much
more
simpler
than
traditional
photoresist-based
fabrications.
advantages
disadvantages
techniques;
solvent
resistance
wicking
behaviors
discussed
last
part.
fabricated
functionalized
many
areas
where
tests
applied.
Studies
diversifying
channel
geometries
increasing
resolution
need
continued.
It
should
investigated
which
obtain
qualitative
quantitative
results.
To
make
simple
cheap
suitable
mass
production,
studies
carried
out
from
different
branches.
Journal of Food Science,
Journal Year:
2024,
Volume and Issue:
89(7), P. 3950 - 3972
Published: June 7, 2024
Nanosensors
have
become
an
indispensable
tool
in
the
food
sector
due
to
their
specificity
and
sensitivity.
The
biosensor
consists
of
a
transducer
coupled
with
biorecognition
component
transform
biological
signal
into
digital
signal.
Nanobiosensors
been
widely
used
for
sensing
toxic
chemicals
such
as
pesticide
residues
pathogenic
microbes
owing
accurate
sensitivity
affordable
manner,
which
gives
more
hope
industry
on
applications.
It
employs
nanocarriers
bind
impurities
pollutants,
well
food-borne
microorganisms
resulting
toxins,
mycotoxins.
This
modern
technology
ensures
safety
processing
industries.
Nowadays,
nanoparticle-immobilized
sensors
act
spot
indicators
improve
smart
packing
technology.
Certain
types
nanobiosensors
are
deployed
monitor
product
manufacture
till
packaging
check
freshness
spoilage
identification.
They
mainly
using
enzyme
catalysts,
highly
sensitive
extreme
environmental
conditions.
As
result,
there
is
greater
evaluation
requirement
nanosensor
adopt
any
temperature,
pH,
or
other
difficult
parameters.
Its
stability,
while
contact
substrates,
another
criterion
that
needs
be
regularized.
Within
this
framework,
review
delves
latest
developments
obstacles
encountered
during
use
across
different
Critical Reviews in Food Science and Nutrition,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 21
Published: July 27, 2024
Food
fraud,
a
pervasive
issue
in
the
global
food
industry,
poses
significant
challenges
to
consumer
health,
trust,
and
economic
stability,
costing
an
estimated
$10–15
billion
annually.
Therefore,
there
is
rising
demand
for
developing
portable
miniature
sensors
that
facilitate
authentication
throughout
supply
chain.
This
review
explores
recent
advancements
applications
of
sensors,
including
portable/miniature
near-infrared
(NIR)
spectroscopy,
e-nose
colorimetric
based
on
nanozyme
within
After
briefly
presenting
architecture
mechanism,
this
discusses
application
these
authentication,
addressing
opportunities
integrating
deploying
ensure
authenticity.
reveals
enhanced
utility
NIR
e-nose,
nanozyme-based
ensuring
authenticity
enabling
informed
decision-making
