ACS Applied Polymer Materials,
Journal Year:
2023,
Volume and Issue:
5(12), P. 10426 - 10437
Published: Nov. 13, 2023
Particulate
matter
(PM)
and
infectious
bacteria
spreading
by
the
air
are
extremely
harmful
to
human
health.
The
performance
of
masks
significantly
deteriorates
in
humid
because
surface
charges
attenuated
or
neutralized.
Moreover,
most
made
nondegradable
materials
such
as
polypropylene
nonwovens.
In
this
study,
we
report
a
self-charged,
biodegradable,
antibacterial
poly(L-lactic
acid)
(PLLA)
nanofibrous
mask
electrospinning,
which
combines
mechanical
sieving
electrostatic
adsorption
capture
PM
bacteria.
controllable
stable
piezoelectricity
PLLA
membranes
generates
boost
filtration
performance.
exhibit
not
only
high
efficiency
(98.38%
for
NaCl
particles
92.40%
oil
particles)
but
also
good
permeability
(156
Pa
162
particles).
Due
oriented
membrane,
it
maintains
excellent
after
long-term
storage.
addition,
incorporation
hexadecyltrimethylammonium
bromide
(CTAB)
endows
fibrous
membrane
with
properties.
Results
confirmed
that
is
degradable.
This
work
provides
convenient
strategy
fabricate
piezoelectric,
membranes,
show
great
potential
various
fields,
filtration.
Analytical Chemistry,
Journal Year:
2024,
Volume and Issue:
96(3), P. 1345 - 1353
Published: Jan. 8, 2024
Designing
a
metal–organic
framework
(MOF)-derived
nanozyme
with
highly
dispersed
active
sites
and
high
catalytic
activity
as
well
robust
structure
for
colorimetric
biosensing
of
diverse
biomolecules
remains
substantial
challenge.
Here,
an
MOF-derived
pure
α-cobalt
confined
in
nitrogen-doped
carbon
nanofiber
(α-Co@NCNF)
superior
glucose
oxidase
(GOD)-
peroxidase
(POD)-like
activities
was
constructed
assay
multiple
biomolecules.
Specifically,
the
α-Co@NCNF
synthesized,
utilizing
situ
electrospinning
Co-MOFs
into
polyacrylonitrile
(PAN)
followed
by
pyrolysis
process.
Taking
advantage
strategy,
α-Co
nanoparticles
were
continuous
porous
NCNF
to
restrict
growth
prevent
aggregation
oxidation
during
The
resulting
special
considerably
improved
enzyme-like
performance.
A
series
experiments
validate
that
Co@CoO@NCNF
(derivatives
from
grown
on
surface
PAN
nanofiber)
nature
enzymes.
Furthermore,
nanozyme-based
developed
monitoring
glucose,
hydrogen
peroxide
(H2O2),
glutathione
(GSH)
corresponding
linear
ranges
are
0.1–50
50–900
μM
5–55
0.1–20
accompanied
low
detection
0.03,
1.66,
0.03
μM.
proposed
method
construction
dual
properties
provides
new
insight
designing
novel
nanozymes
has
prospects
application
biosensing.
