Biosensors,
Journal Year:
2023,
Volume and Issue:
13(5), P. 495 - 495
Published: April 22, 2023
Recently,
hydrogels
have
attracted
great
attention
because
of
their
unique
properties,
including
stretchability,
self-adhesion,
transparency,
and
biocompatibility.
They
can
transmit
electrical
signals
for
potential
applications
in
flexible
electronics,
human-machine
interfaces,
sensors,
actuators,
et
al.
MXene,
a
newly
emerged
two-dimensional
(2D)
nanomaterial,
is
an
ideal
candidate
wearable
benefitting
from
its
surface's
negatively
charged
hydrophilic
nature,
biocompatibility,
high
specific
surface
area,
facile
functionalization,
metallic
conductivity.
However,
stability
has
been
limiting
factor
MXene-based
applications,
fabricating
MXene
into
proven
to
significantly
improve
stability.
The
complex
gel
structure
gelation
mechanism
require
intensive
research
engineering
at
nanoscale.
Although
the
application
composites
sensors
widely
studied,
preparation
methods
electronics
relatively
rare.
Thus,
order
facilitate
effective
evolution
hydrogel
design
strategies,
methods,
are
comprehensively
discussed
summarized
this
work.
ACS Sensors,
Journal Year:
2024,
Volume and Issue:
9(3), P. 1465 - 1474
Published: Feb. 27, 2024
In
the
realm
of
NH3
gas-sensing
applications,
electrically
conductive
nature
Ti3C2Tx
MXene,
adorned
with
surface
terminations
such
as
−O
and
−OH
groups,
renders
it
a
compelling
material.
However,
inherent
challenges
atmospheric
instability
selectivity
in
presence
gas
mixtures
have
prompted
exploration
innovative
solutions.
This
work
introduces
strategic
solution
through
deposition
mixed-matrix
membrane
(MMM)
composed
poly(vinylidene
fluoride)
(PVDF)
matrix
zeolitic
imidazolate
framework-67
(ZIF-67)
filler.
composite
acts
selective
filter,
permitting
passage
specific
gas,
namely
NH3.
Leveraging
hydrophobic
chemically
inert
PVDF,
MMM
enhances
stability
by
impeding
water
molecules
from
interacting
MXene.
Furthermore,
ZIF-67
is
to
via
acid–base
interactions
within
zeolite
group
pore
size.
The
sensor
embedded
filter
exhibits
modest
1.3%
change
sensing
response
25
ppm
compared
without
filter.
result
underscores
filter's
effectiveness
conferring
diffusivity,
particularly
at
35%
relative
humidity
(RH)
°C.
Crucially,
attributes
PVDF
impart
heightened
even
amidst
varying
RH
conditions.
These
results
not
only
demonstrate
effective
detection
but
also
highlight
sensor's
adaptability
diverse
environmental
conditions,
offering
promising
prospects
for
practical
applications.
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(12)
Published: April 8, 2024
Abstract
Food
waste
plays
a
crucial
role
in
environmental
and
human
health
issues.
To
address
these
issues,
intelligent
packaging
systems
are
proposed
for
the
accurate
assessment
of
quality
food
products.
Intelligent
is
technology
that
integrates
sensing
with
conventional
to
provide
smart
communication
functions
real‐time
monitoring.
The
most
important
parts
this
generally
classified
as
quantitative
sensors
(sensors)
qualitative
(indicators).
Since
seafood
meat
products
can
spoil
easily
if
not
stored
properly,
applying
monitoring
safety
beneficial.
In
review,
spoiling
process
essential
performance
characteristics
indicators
first
discussed.
Then,
importance
various
be
used
presented.
While
discussing
topics,
an
updated
review
recent
scientific
studies,
preconditions,
materials,
advantages,
limitations
provided.
Furthermore,
future
need
improvements
Finally,
several
research
examples
challenges
perspectives
applications
Biosensors,
Journal Year:
2023,
Volume and Issue:
13(5), P. 495 - 495
Published: April 22, 2023
Recently,
hydrogels
have
attracted
great
attention
because
of
their
unique
properties,
including
stretchability,
self-adhesion,
transparency,
and
biocompatibility.
They
can
transmit
electrical
signals
for
potential
applications
in
flexible
electronics,
human-machine
interfaces,
sensors,
actuators,
et
al.
MXene,
a
newly
emerged
two-dimensional
(2D)
nanomaterial,
is
an
ideal
candidate
wearable
benefitting
from
its
surface's
negatively
charged
hydrophilic
nature,
biocompatibility,
high
specific
surface
area,
facile
functionalization,
metallic
conductivity.
However,
stability
has
been
limiting
factor
MXene-based
applications,
fabricating
MXene
into
proven
to
significantly
improve
stability.
The
complex
gel
structure
gelation
mechanism
require
intensive
research
engineering
at
nanoscale.
Although
the
application
composites
sensors
widely
studied,
preparation
methods
electronics
relatively
rare.
Thus,
order
facilitate
effective
evolution
hydrogel
design
strategies,
methods,
are
comprehensively
discussed
summarized
this
work.
