The
sodium
alginate-pluronic
F127-modified
SnO2
(SAPFSO)
NPs
were
prepared
using
the
green
method.
SAPFSO
exhibit
a
tetragonal
rutile
structure
from
X-ray
diffraction
patterns.
FESEM
and
EDAX
spectra
identified
morphology
chemical
composition.
Sodium
Alginate,
Pluronic
F127,
functional
group
vibrations
can
be
seen
in
FTIR
spectra.
DLS
hydrodynamic
sizes
of
observed
at
183
nm.
various
surface
defects
PL
spectrum.
antimicrobial
activity
was
tested
against
gram-positive
gram-negative
strains
such
as
S.
aureus,
K.
pneumoniae,
dysenteriae,
Bacillus
megaterium,
Proteus
valgaris,
Candida
albicans
fungal
strain
well-diffusion
To
increase
concentration,
also
increased
activity.
anticancer
human
breast
cancer
cell
line
(MDA-MB-237).
These
results
support
that
applied
healthcare
industrial
settings
to
improve
health.
Polymers,
Journal Year:
2022,
Volume and Issue:
14(16), P. 3408 - 3408
Published: Aug. 20, 2022
In
this
research,
poly
terephthalic
acid-co-glycerol-g-maleic
anhydride
(PTGM)
graft
co-polymer
was
used
as
novel
water-soluble
pore
formers
for
polyethersulfone
(PES)
membrane
modification.
The
modified
PES
membranes
were
characterized
to
monitor
the
effect
of
PTGM
content
on
their
pure
water
flux,
hydrophilicity,
porosity,
morphological
structure,
composition,
and
performance.
PES/PTGM
by
field
emission
scanning
electron
microscopy
(FESEM),
Fourier-transform
infrared
spectroscopy
(FTIR),
contact
angle
(CA).
results
revealed
that
porosity
hydrophilicity
fabricated
formed
using
a
5
wt.%
ratio
exhibited
an
enhancement
20%
18%,
respectively.
Similarly,
upon
raising
in
casting
solution,
more
porous
with
longer
finger-like
structure
observed.
However,
at
optimum
(i.e.,
5%),
apparent
enhancements
bovine
serum
albumin
(BSA),
sodium
alginate
(SA)
retention
noticed
values
203
L/m2.h
(LMH),
94,
96%,
These
illustrated
observed
separation
permeation
trend
may
be
suitable
option
applications
wastewater
treatment.
experimental
suggest
promising
potential
former
properties
Polymers,
Journal Year:
2022,
Volume and Issue:
14(8), P. 1604 - 1604
Published: April 14, 2022
Pervaporation
is
one
of
the
most
active
topics
in
membrane
research,
and
it
has
time
again
proven
to
be
an
essential
component
for
chemical
separation.
It
been
employed
removal
impurities
from
raw
materials,
separation
products
by-products
after
reaction,
pollutants
water.
Given
global
problem
water
pollution,
this
approach
efficient
removing
hazardous
substances
bodies.
Conventional
processes
are
based
on
thermodynamic
equilibria
involving
a
phase
transition
such
as
distillation
liquid–liquid
extraction.
These
techniques
have
relatively
low
efficacy
nowadays
they
not
recommended
because
sustainable
terms
energy
consumption
and/or
waste
generation.
emerged
1980s
now
becoming
popular
technology
its
intrinsic
features
requirements,
cheap
costs,
good
quality
product
output.
The
focus
review
current
developments
pervaporation,
mass
transport
membranes,
material
selection,
fabrication
characterization
techniques,
applications
various
membranes
chemicals
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(11), P. e21958 - e21958
Published: Nov. 1, 2023
A
newly
developed
water-soluble
polymeric
nano-additive
termed
"partially
cross-linked
nanoparticles
graft
copolymer
(PCLNPG)"
has
been
successfully
synthesized
and
harnessed
as
a
pore
former
for
modifying
polyethersulfone
ultrafiltration
membrane
dyes
removal.
The
PCLNPG
content
was
varied
in
the
PES
matrix
aiming
to
scrutinize
its
impact
on
surface
characteristics,
morphological
structure,
overall
performance.
Proposed
interaction
mechanism
between
methylene
blue
(MB),
methyle
orange
(MO),
malachite
green
(MG)
with
presented
well.
Hydrophilicity
porosity
of
novel
increased
by
18
17
%,
respectively,
when
manufactured
3
Wt.
%
PCLNPG,
according
findings.
Besides
this,
disclosed
porosity,
rather
than
hydrophilic
properties
principal
cause
diminished
contact
angle.
Meanwhile,
raising
prepared
made
worthy
shifts
structure.
sponge-like
region
materialized
near
bottom
membrane's
pure
water
flux
(PWF)
Wt.%
recorded
628
LMH,
which
is
estimated
3.95
fold
pristine
membrane.
MG,
MB,
MO
were
rejected
90.6,
96.3,
97.87
respectively.
These
findings
showed
that
performance
characteristics
PES/PCLNPG
make
it
potentially
advantageous
option
treat
textile
wastewater.
Water,
Journal Year:
2022,
Volume and Issue:
14(9), P. 1507 - 1507
Published: May 8, 2022
This
work
presents
poly(terephthalic-co-glycerol-g-fumaric
acid)
(TGF)
as
a
novel
water-soluble
polymeric
nano-additive
for
the
modification
of
polyethersulfone
ultrafiltration
membrane.
The
TGF
was
harnessed
pore
former,
aiming
to
improve
membrane
surface
porosity
and
hydrophilicity.
Modified
membranes
were
characterized
observe
influence
varying
content
on
their
hydrophilicity,
porosity,
morphological
structure,
composition,
well
entire
performance.
results
disclosed
that
hydrophilicity
modified
prepared
using
4
wt.%
recorded
an
enhancement
by
24%
38%,
respectively.
Herein,
lower
contact
angle
mainly
reflection
improved
but
not
hydrophilic
nature
TGF.
Furthermore,
upon
increasing
in
matrix,
more
porous
structure
with
longer
finger-like
micropores
formed.
Moreover,
sponge-like
layer
clearly
appeared
near
bottom
surface.
Nevertheless,
at
optimum
(4%),
clear
water
flux
BSA
retention
witnessed
values
298
LMH
97%,
These
demonstrate
obtained
permeation
separation
behavior
PES/TGF
could
stand
promising
choice
wastewater
treatment
applications.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(5), P. 1222 - 1222
Published: Feb. 28, 2023
Membrane
technology
is
an
actively
developing
area
of
modern
societies;
with
the
help
high-performance
membranes,
it
possible
to
separate
various
mixtures
for
many
industrial
tasks.
The
objective
this
study
was
develop
novel
effective
membranes
based
on
poly(vinylidene
fluoride)
(PVDF)
by
its
modification
nanoparticles
(TiO2,
Ag-TiO2,
GO-TiO2,
and
MWCNT/TiO2).
Two
types
have
been
developed:
dense
pervaporation
porous
ultrafiltration.
optimal
content
in
PVDF
matrix
selected:
0.3
wt%
0.5
ones.
structural
physicochemical
properties
developed
were
studied
using
FTIR
spectroscopy,
thermogravimetric
analysis,
scanning
electron
atomic
force
microscopies,
measuring
contact
angles.
In
addition,
molecular
dynamics
simulation
TiO2
system
applied.
transport
cleaning
ability
under
ultraviolet
irradiation
ultrafiltration
a
bovine
serum
albumin
solution.
tested
separation
water/isopropanol
mixture.
It
found
that
are
as
follows:
membrane
modified
GO-TiO2
MWCNT/TiO2
Ag-TiO2.
Membranes,
Journal Year:
2022,
Volume and Issue:
12(10), P. 908 - 908
Published: Sept. 20, 2022
Metal-organic
frameworks
(MOFs)
are
perceptive
modifiers
for
the
creation
of
mixed
matrix
membranes
to
improve
pervaporation
performance
polymeric
membranes.
In
this
study,
novel
based
on
polyvinyl
alcohol
(PVA)
modified
with
Zr-MOFs
(MIL-140A,
MIL-140A-AcOH,
and
MIL-140A-AcOH-EDTA)
particles
were
developed
enhanced
dehydration
isopropanol.
Two
membrane
types
(substrateless-freestanding;
formed
polyacrylonitrile
support-composite)
prepared.
The
additional
cross-linking
glutaraldehyde
was
carried
out
circumvent
stability
in
diluted
solutions.
synthesized
characterized
by
scanning
electron
microscopy,
X-ray
powder
diffraction
analysis,
specific
surface
area
measurement.
structure
physicochemical
properties
investigated
Fourier-transform
infrared
spectroscopy,
atomic
force
microscopies,
thermogravimetric
swelling
experiments,
contact
angle
measurements.
PVA
PVA/Zr-MOFs
evaluated
isopropanol
a
wide
concentration
range.
It
found
that
composite
cross-linked
10
wt%
MIL-140A
had
optimal
(12-100
water)
at
22
°C:
0.15-1.33
kg/(m2h)
permeation
flux,
99.9
water
permeate,
is
promising
use
industrial
alcohols.
