Molecules,
Journal Year:
2023,
Volume and Issue:
28(13), P. 5181 - 5181
Published: July 3, 2023
Alginate/lignin
is
a
synthetic
polymer
rich
in
biological
activity
and
of
great
interest.
Alginate
extracted
from
seaweed
lignin
corn
stalks
leaves.
In
this
paper,
antioxidant
activities
alginate/lignin
were
evaluated,
such
as
total
activity,
reducing
power
DPPH
free
radical
scavenging
α-glucosidase
inhibition
activity.
Anticancer
was
evaluated
three
cell
lines
(Hep
G2,
MCF-7,
NCI
H460)
fibroblast.
Physico-chemistry
characteristics
determined
through
FTIR,
DSC,
SEM_EDS,
SEM_EDS
mapping,
XRD,
XRF,
1H-NMR.
The
acute
toxicity
studied
on
Swiss
albino
mice.
results
demonstrated
that
possessed
the
especially
had
no
not
typical
cancer
lines.
existed
thermally
stable
regular
spherical
shape
investigated
thermal
region.
Six
metals,
non-metals,
nineteen
oxides
detected
alginate/lignin.
Some
specific
functional
groups
alginate
did
exist
crystal.
Elements,
C,
O,
Na,
S
popular
structure.
LD0
LD100
mice
3.91
g/kg
9.77
g/kg,
respectively.
has
potential
for
applications
pharmaceutical
materials,
foods,
supporting
diabetes
treatment.
Materials,
Journal Year:
2023,
Volume and Issue:
16(15), P. 5459 - 5459
Published: Aug. 3, 2023
The
treatment
of
skin
wounds
caused
by
trauma
and
pathophysiological
disorders
has
been
a
growing
healthcare
challenge,
posing
great
economic
burden
worldwide.
use
appropriate
wound
dressings
can
help
to
facilitate
the
repair
healing
rate
defective
skin.
Natural
polymer
biomaterials
such
as
collagen
hyaluronic
acid
with
excellent
biocompatibility
have
shown
promote
restoration
However,
low
mechanical
properties
fast
degradation
limited
their
applications.
Skin
based
on
biodegradable
biocompatible
synthetic
polymers
not
only
overcome
shortcomings
natural
but
also
possess
favorable
for
applications
in
wounds.
Herein,
we
listed
several
used
dressing
materials,
PVA,
PCL,
PLA,
PLGA,
PU,
PEO/PEG,
focusing
composition,
fabrication
techniques,
functions
promoting
healing.
Additionally,
future
development
prospects
polymer-based
are
put
forward.
Our
review
aims
provide
new
insights
further
using
polymers.
ACS Applied Polymer Materials,
Journal Year:
2023,
Volume and Issue:
5(9), P. 6864 - 6874
Published: Aug. 17, 2023
Mulch
film
and
slow-release
fertilizers
are
widely
used
in
agriculture
horticulture,
it
has
become
a
trend
to
use
degradable
materials
for
the
preparation
of
mulch
films
using
materials.
However,
most
have
poor
performance
or
relatively
high
cost.
In
this
study,
three
types
materials,
namely,
poly(vinyl
alcohol)
(PVA),
corn
starch
(CS),
alkali
lignin
(AL),
were
as
obtain
with
fertilizer
function
(MSRF).
MSRF
had
excellent
when
10%
AL
was
added.
The
properties
consisted
elongation
at
break
(180.14%),
water
vapor
permeability
(203.8
g
m–2
day–1),
resistance
(its
morphology
remained
good
50
days),
absorption
(300%),
urea
release
efficiency
(cumulative
70.63%
30
days).
Rapid
plant
growth
trials
demonstrated
that
functionality
could
reduce
amount
applied
by
about
70%.
These
performances
due
combination
chemical
cross-linking
(chemical
bonding)
between
PVA/CS
molecular
chains,
hydrogen
bonding
AL,
PVA,
CS
molecules,
aggregation
AL.
This
provided
green
efficient
strategy
application
dual
functions
mulching
slow
fertilizer.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(17), P. 2488 - 2488
Published: Aug. 31, 2024
Agricultural
mulching
is
an
important
input
for
modern
agricultural
production
and
plays
role
in
guaranteeing
food
security
worldwide.
At
present,
polyethylene
(PE)
still
commonly
used
most
countries
around
the
world,
which
non-biodegradable,
years
of
have
caused
serious
white
pollution.
Lignin
one
three
major
components
plant
cell
walls,
it
also
main
renewable
natural
aromatic
compounds
nature.
Lignin-based
composite
film
materials
are
green,
biodegradable,
show
good
prospects
development
field
mulch.
This
paper
introduces
types,
structure,
application
status
lignin,
summarizes
preparation
lignin-based
its
latest
research
progress,
focuses
on
methods,
examples
mulching,
looks
forward
to
future
mulching.