Langmuir,
Journal Year:
2023,
Volume and Issue:
39(39), P. 13953 - 13967
Published: Sept. 20, 2023
MXene
is
an
incredibly
promising
two-dimensional
material
with
immense
potential
to
serve
as
a
high-performing
separating
or
barrier
layer
develop
advanced
membranes.
Despite
the
significant
progress
made
in
membranes,
two
major
challenges
still
exist:
(i)
effectively
stacking
nanosheets
into
defect-free
membranes
and
(ii)
high
fouling
tendency
of
MXene-based
To
address
these
issues,
we
employed
sulfonated
polydopamine
(SPD),
which
simultaneously
serves
binding
agent
promote
compact
assembling
Ti3C2Tx
MXenes
(MX)
improves
antifouling
properties
resulting
polydopamine-functionalized
MX
(SPDMX)
The
SPDMX
membrane
was
tested
for
challenging
surfactant-stabilized
oil-in-water
separation
impressive
efficiency
98%.
Moreover,
ultrahigh
permeability
1620
LMH/bar
also
achieved.
sulfonation
PD
helps
improving
characteristics
by
developing
strong
hydration
enhancing
oleophobicity
membrane.
underwater
appeared
superoleophobic
oil
contact
angle
153°,
whereas
ceramic
exhibited
137°.
showed
improved
flux
recovery
(31%)
compared
nonsulfonated
counterpart.
This
work
highlights
appropriate
functionalization
approach
permeation
better
oily
wastewater
treatment.
Micromachines,
Journal Year:
2022,
Volume and Issue:
13(2), P. 304 - 304
Published: Feb. 16, 2022
Glucose
is
one
of
the
most
important
monosaccharides
found
in
food,
as
a
part
more
complex
structures,
which
primary
energy
source
for
brain
and
body.
Thus,
monitoring
glucose
concentration
food
biological
samples
order
to
maintain
healthy
lifestyle.
Herein,
an
electrochemical
biosensor
was
fabricated
by
immobilization
oxidase
(GOX)
onto
poly(3,4-ethylenedioxythiophene):4-sulfocalix
[4]arene
(PEDOT:SCX)/MXene
modified
electrode.
For
this
purpose,
firstly,
PEDOT
synthesized
presence
SCX
(counterion)
chemical
oxidative
method.
Secondly,
MXene
(a
2D
layered
material)
using
high-temperature
furnace
under
nitrogen
atmosphere.
After
that,
PEDOT:SCX/MXene
(1:1)
dispersion
prepared
ultrasonication
later
utilized
prepare
hybrid
film.
A
successful
formation
film
confirmed
HR-SEM,
Fourier
transform
infrared
(FT-IR),
Raman
spectroscopies.
Due
biocompatibility
nature,
GOX
carried
out
chitosan
PEDOT:SCX/MXene/GCE.
Moreover,
properties
PEDOT:SCX/MXene/GOX/GCE
studied
through
cyclic
voltammetry
amperometry
methods.
Interestingly,
stable
redox
peak
FAD-GOX
observed
at
formal
potential
-0.435
V
on
indicated
direct
electron
transfer
between
enzyme
electrode
surface.
also
exhibited
linear
response
against
concentrations
range
from
0.5
8
mM.
The
effect
pH,
sensors
reproducibility,
repeatability
sensor
were
studied.
Finally,
new
successfully
applied
detect
commercial
fruit
juice
sample
with
satisfactory
recovery.
