Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Dec. 28, 2024
Physical
and
photophysical
properties
of
starch-based
biopolymer
films
containing
5-(4-nitrophenyl)-1,3,4-thiadiazol-2-amine
(NTA)
powder
as
a
nanofiller
were
examined
using
atomic
force
microscopy
(AFM),
Fourier-transform
infrared
spectroscopy
(FTIR),
stationary
UV-Vis
fluorescence
well
resonance
light
scattering
(RLS)
time-resolved
measurements,
where
possible,
analyzed
with
reference
to
pristine
NTA
solutions.
AFM
studies
revealed
that
the
addition
into
starch
did
not
significantly
affect
surface
roughness,
all
displaying
similar
Sq
values
ranging
from
70.7
nm
79.7
nm.
Similarly,
Young's
modulus
measurements
showed
no
significant
changes
after
incorporating
1,3,4-thiadiazole.
Adhesion
water
contact
angle
assessments
demonstrated
maintained
high
hydrophilicity
(water
wetting)
across
films.
Color
analysis
corroborated
anticipated
trend,
showing
increasing
additive
content
resulted
in
decreased
lightness
increased
yellowness.
Interestingly,
however,
while
polar
isopropanol
solvent
at
low
concentration,
shows
typical
single-band
emission,
centered
410
slight
enhancement
band
on
long-wavelength
side
around
530
nm,
its
incorporation
matrices
results
appearance
dual
signal
maxima
430
Concentration-dependence
emission
experiments,
demonstrating
even
increase
amount
solution,
an
additional,
weak
emerged
within
spectral
range
corresponding
intensive
film,
along
performed
quantum-chemical
studies,
including
both
monomeric
aggregated
(dimer
trimer)
models,
conclusively
unveil
observed
starch/NTA
is
due
molecular
aggregation
effects
resulting
aggregation-induced
emission.
This
study
underscores
potential
biobased
polymer
films,
furnishing
them
new
features
without
substantially
altering
their
thus
enabling
extended
applications.
Environmental Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
22(5), P. 2483 - 2530
Published: June 13, 2024
Abstract
Fossil
fuel-based
products
should
be
replaced
by
derived
from
modern
biomass
such
as
plant
starch,
in
the
context
of
future
circular
economy.
Starch
production
globally
surpasses
50
million
tons
annually,
predominantly
sourced
maize,
rice,
and
potatoes.
Here,
we
review
starch
with
an
emphasis
on
structure
properties,
extraction,
modification,
green
applications.
Modification
techniques
comprise
physical,
enzymatic,
genetic
methods.
Applications
include
stabilization
food,
replacement
meat,
three-dimensional
food
printing,
prebiotics,
encapsulation,
bioplastics,
edible
films,
textiles,
wood
adhesives.
potatoes,
cassava
shows
amylose
content
ranging
20
to
30%
regular
varieties
70%
high-amylose
varieties.
Extraction
traditional
wet
milling
achieves
purity
up
99.5%,
while
enzymatic
methods
maintain
higher
structural
integrity,
which
is
crucial
for
pharmaceutical
Enzymatic
extraction
improves
yield
20%,
reduces
energy
consumption
about
30%,
lowers
wastewater
50%,
compared
conventional
Sustainable
modification
can
reduce
carbon
footprint
40%.
Modified
starches
contribute
approximately
texturizers
market.
The
market
plant-based
meat
alternatives
has
grown
over
past
five
years.
Similarly,
use
biodegradable
starch-based
plastics
bioplastic
industry
growing
20%
driven
demand
sustainable
packaging.Kindly
check
confirm
layout
Table
1.Layout
right
International Journal of Biological Macromolecules,
Journal Year:
2024,
Volume and Issue:
281, P. 136398 - 136398
Published: Oct. 9, 2024
Polysaccharides
have
emerged
as
versatile
materials
capable
of
forming
gels
through
diverse
induction
methods,
with
alcohol-induced
polysaccharide
demonstrating
significant
potential
across
food,
medicinal,
and
other
domains.
The
existing
research
mainly
focused
on
the
phenomena
mechanisms
gel
formation
in
specific
polysaccharides.
Therefore,
this
review
provides
a
comprehensive
overview
intricate
underpinning
alcohol-triggered
gelation
different
polysaccharides
surveys
their
prominent
application
potentials
rheological,
mechanical,
characterizations.
mechanism
underlying
enhancement
network
structures
by
alcohol
is
elucidated,
where
displaces
water
to
establish
hydrogen
bonding
hydrophobic
interactions
chains.
Specifically,
alcohols
change
arrangement
molecules,
partial
hydration
shell
surrounding
molecules
disrupted,
exposing
polysaccharides'
groups
enhancing
interactions.
Moreover,
pivotal
influences
concentration
addition
method
kinetics
are
scrutinized,
revealing
nuanced
dependencies
such
gel-promoting
capabilities
polyols
versus
monohydric
critical
threshold
concentrations
dictating
formation.
Notably,
immersion
augments
strength,
while
direct
solutions
precipitates
Future
investigations
urged
unravel
nexus
between
practical
utility,
thereby
paving
path
for
tailored
manipulation
environmental
conditions
engineer
bespoke
gels.
Cellulose,
Journal Year:
2024,
Volume and Issue:
31(10), P. 6043 - 6069
Published: June 18, 2024
Abstract
In
response
to
escalating
concerns
about
environmental
pollution
from
conventional
plastic
packaging,
there
is
a
growing
interest
in
ecological
and
sustainable
materials
for
food
packaging.
Consequently,
biopolymer-based
electrospun
materials,
particularly
polysaccharides
such
as
chitosan
(CH),
starch,
cellulose,
have
emerged
promising
alternatives
synthetic
ones
due
their
remarkable
barrier
properties
mechanical
strength.
Moreover,
following
the
trend
of
employing
solutions
packaging
natural
colorants
also
been
recognized
safer
dyes,
addressing
potential
adverse
effects
on
human
health
environment.
These
add
color
enhance
freshness,
possibly
extending
shelf
life
promoting
consumers'
perception
quality
safety.
Therefore,
this
review
summarizes
recent
advancements
fabricating
characterizing
based
It
explores
various
electrospinning
techniques
highlights
incorporation
colorants,
including
bacterial
pigments,
active
intelligent
applications.
it
emphasizes
increasing
role
biobased
industry
developing
with
bioactive
coloration.
Lastly,
addresses
challenges,
opportunities,
future
research
directions.
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