ACS Sustainable Resource Management,
Journal Year:
2024,
Volume and Issue:
1(9), P. 1876 - 1905
Published: Aug. 19, 2024
Due
to
expanding
seaweed-based
industries
and
the
growing
popularity
of
seaweed
biorefineries,
there
is
an
increasing
opportunity
for
high-value
applications
seaweed-extracted
polysaccharides.
One
most
fascinating
these
biopolymers
in
field
agriculture,
where
they
have
been
used
as
fertilizers,
hydrogel/granules
slow
release
urea,
herbicides,
insecticides,
water
reservoirs
tackle
drought-like
situations.
Polysaccharides,
such
alginate,
agar/agarose,
ulvan,
carrageenan,
etc.,
a
long
time
multiple
applications;
however,
their
use
development
hydrogels
subsequent
utilization
deal
with
agricultural
challenges
like
drought
mitigation,
reduce
chemicals
leaching
from
or
lessen
harmful
impacts
pesticides
increase
crop
yields,
has
recently
gained
significant
amount
interest
scientists.
In
this
review
article,
we
thoroughly
discuss
technique
generally
utilized
extract
polysaccharides
seaweeds,
structure,
gelation
mechanism,
various
hydrogels,
namely,
carrageenan.
The
impact
bioadditives
surface
modification
techniques
on
properties
polysaccharide-based
absorption/retention
tendency,
variation
fertilizers/pesticide
releasing
capability,
are
discussed.
Finally,
along
some
future
possibilities
also
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(19)
Published: Jan. 26, 2024
Abstract
Highly
selective
and
sensitive
quantitative
detection
of
ofloxacin
(OFX)
at
ultralow
concentrations
in
aqueous
media
development
new
afterglow
materials
remains
a
challenge.
Herein,
2D
water‐stable
lanthanide
metal–organic
framework
(NIIC‐2‐Tb)
is
proposed,
which
exhibits
high
selectivity
towards
OFX
through
the
luminescence
quenching
with
lowest
limit
(1.1
×
10
−9
M
)
reported
to
date
fast
response
within
6
s.
In
addition,
luminescent
by
NIIC‐2‐Tb
not
affected
typical
components
blood
plasma
urine.
The
excellent
sensing
effect
further
utilized
prepare
composite
functional
carrageenan
hydrogel
material
for
rapid
meat
real
time
first
discovery
impressive
MOF‐based
hydrogels.
This
study
only
presents
novel
Ln‐MOF
Ln‐MOF‐based
films
OFX,
but
also
demonstrates
color‐tunable
afterglow,
expands
application
anti‐counterfeiting.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(8), P. 7473 - 7473
Published: April 18, 2023
Antibiotic
resistance
is
one
of
the
greatest
threats
to
global
health
and
food
security
today.
It
becomes
increasingly
difficult
treat
infectious
disorders
because
antibiotics,
even
newest
ones,
are
becoming
less
effective.
One
ways
taken
in
Global
Plan
Action
announced
at
World
Health
Assembly
May
2015
ensure
prevention
treatment
diseases.
In
order
do
so,
attempts
made
develop
new
antimicrobial
therapeutics,
including
biomaterials
with
antibacterial
activity,
such
as
polycationic
polymers,
polypeptides,
polymeric
systems,
provide
non-antibiotic
therapeutic
agents,
selected
biologically
active
nanoparticles
chemical
compounds.
Another
key
issue
preventing
from
contamination
by
developing
packaging
materials,
particularly
based
on
degradable
polymers
biocomposites.
This
review,
a
cross-sectional
way,
describes
most
significant
research
activities
conducted
recent
years
field
development
materials
polymer
composites
properties.
We
focus
natural
i.e.,
polysaccharides
which
present
mechanism
for
combating
many
highly
pathogenic
microorganisms.
also
attempt
use
this
knowledge
obtain
synthetic
similar
activity.
Food Chemistry X,
Journal Year:
2024,
Volume and Issue:
22, P. 101307 - 101307
Published: March 19, 2024
In
this
study,
we
created
new
pH-sensitive
hydrogel
films
using
κ-carrageenan
(CG)
and
either
quercetin
(QUE)
or
eucalyptus
leaf
extract
(ELE)
to
monitor
the
spoilage
of
chicken
meat.
The
ability
control
freshness
was
confirmed
by
observing
dependence
color
on
pH
changes
measuring
total
volatile
basic
nitrogen
(TVB-N)
levels
for
CG-QUE
(26.5)
CG-ELE
(29.75).
After
conducting
a
UV-Vis
analysis,
it
established
that
containing
0.3
%
QUE
ELE,
with
transparency
above
90
%,
have
potential
further
research.
We
found
more
effective
in
preventing
bacterial
growth
reducing
compared
CG-QUE.
film
also
had
superior
mechanical
behavior
higher
tensile
strength
(13.2
±
0.6
MPa)
lower
elongation
at
break
(5
0.1).
Our
findings
preference
superiority
ELE
over
based
colorimetric
response
antibacterial
properties.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 24, 2024
This
study
investigated
the
adsorption
of
Oxytetracycline
(OTC)
from
pharmaceutical
wastewater
using
a
kappa
carrageenan
based
hydrogel
(KPB).
The
aim
present
was
to
explore
potential
KPB
for
long-term
treatment.
A
sustainable
adsorbent
developed
address
oxytetracycline
contamination.
hydrogel's
structural
and
characteristics
were
examined
various
techniques
like
Scanning
Electron
Microscope
(SEM),
Fourier
Transform
Infrared
(FTIR),
X-ray
powder
diffraction
(XRD),
kinetic
models.
results
revealed
considerable
changes
in
vibrational
modes
bands
hydrogel,
suggesting
effective
functionalization
Bentonite
nano-clay.
Kappa
achieved
maximum
removal
(98.5%)
OTC
at
concerntration
40
mg/L,
pH
8,
cotact
time
140
min
dose
0.1
g
(KPB-3).
Adsorption
increased
up
99%
with
increasing
initial
concentrations.
95%
capacity
film
concentration
20
mg/L
within
60
min.
It
also
that
chemisorptions
processes
outperform
physical
adsorption.
Pseudo-Second-Order
model,
which
emphasized
importance
chemical
process,
is
better
suited
represent
behavior.
Excellent
matches
found
R2
=
0.99
KPB-3,
0.984
KPB-2
0.989
KPB-1
indicated
strong
bonding
interactions.
Statisctical
analysis
(ANOVA)
performed
SPSS
(version
25)
it
had
significant
influence
on
by
p-values
less
than
0.05.
identified
carrageenan-based
bentonite
nano-clay
polyvinyl
alcohol
(PVA)
can
efficiently
remove
effluent,
p-value
0.054,
but
weak
positive
linear
associations
pH,
temperature,
contact
time.
research
contributed
treatment
environmental
engineering.
