Materials,
Journal Year:
2023,
Volume and Issue:
16(9), P. 3385 - 3385
Published: April 26, 2023
The
present
work
describes
the
potential
application
of
environmentally
friendly
sodium
carboxymethylcellulose/gelatin
(CMC/Gel)
semi-interpenetrating
hydrogels
prepared
by
citric
acid
as
a
nontoxic
cross-linking
agent
to
adsorb
dyes.
were
characterized
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FT-IR),
scanning
electron
microscopy
(SEM),
thermogravimetric
analysis
(TGA/DTG),
and
swelling
study.
adsorption
performance
CMC/Gel2
(C/G2)
hydrogel
on
methylene
blue
(MB)
was
investigated.
results
showed
better
conditions:
time
300
min,
initial
MB
concentration
500
mg/L,
adsorbent
dosage
1.2
g/L,
solution
pH
7,
temperature
30
°C.
kinetics
fit
pseudo-second
order
model,
isotherm
Langmuir
model.
maximum
capacity
reached
943.40
mg/g.
process
is
spontaneous
exothermic
process.
After
three
adsorption-desorption
cycles,
removal
rate
still
85%,
with
good
reusability.
Consequently,
can
be
used
an
friendly,
stable,
efficient
for
dyes
in
wastewater
treatment.
Marine Drugs,
Journal Year:
2025,
Volume and Issue:
23(2), P. 56 - 56
Published: Jan. 24, 2025
Green
seaweed
is
currently
underused
compared
with
other
major
types.
Many
scientists
have
reported
applications
of
the
green
Ulva
in
various
fields
recent
years,
which
makes
it
a
candidate
for
biomass
production
industrial
biorefineries.
contains
unique
polysaccharide
called
ulvan,
being
considered
medicinal
and
pharmacological
applications.
Ulvan
sulfated
including
rhamnose
glucuronic
acid
residues,
has
range
bioactivities,
immunomodulatory,
antimicrobial,
anticoagulant
properties.
The
biocompatibility
ulvan
versatile
biomaterial
design.
This
review
presents
an
in-depth
analysis
potential
starting
extraction
methods
structural/biological
characterization
moving
on
to
We
also
highlight
advantages
over
traditional
polysaccharides
such
as
agar,
carrageenan,
alginate.
Bioresources and Bioprocessing,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: Sept. 25, 2023
Abstract
Ulva
is
one
of
the
main
green
algae
causing
tide
disasters.
Ulvan
primarily
component
polysaccharide
cell
wall
and
its
complex
structure
monosaccharide
composition
resulted
in
various
biological
activities.
However,
high-value
effective
utilization
extracted
ulvan
have
been
obstructed
by
limitations
ranging
from
large
molecular
weight
low
solubility
to
poor
bioavailability.
oligosaccharide
obtained
degrading
can
not
only
ideally
retain
activities
very
well
but
also
effectively
solve
problems
The
preparation
activity
studies
oligosaccharides
become
a
hot
spot
field
marine
resources
development
research.
At
present,
comprehensive
reviews
are
still
scarce.
What
overviewed
this
paper
chemical
composition,
structure,
extraction,
purification
oligosaccharides,
where
research
progress
on
summarized
prospected.
A
theoretical
practical
basis
has
provided
for
further
as
resources.
Graphical
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(9), P. 7319 - 7319
Published: April 28, 2023
In
the
framework
of
a
sustainable
marine
bioeconomy,
present
work
describes
an
advanced,
eco-friendly,
fully
integrated
biorefinery
process
for
Ulva
fasciata
macroalgae.
That
would
serve
as
solution
ecosystem
bioremediation,
effective
utilization
macroalgal
resources,
and
new
initiative
to
promote
green
low-carbon
economy.
biomass
can
be
utilized
organic
fertilizer
with
total
N,
P2O5,
K2O
contents
3.17%
C/N
ratio
11.71.
It
also
used
solid
biofuel
sufficient
calorific
value
15.19
MJ/kg.
has
high
carbohydrate
content
low
lignin
approximately
44.85%
1.5%,
respectively,
which
recommend
its
applicability
in
bioethanol
biobutanol
production.
Its
protein,
fiber,
lipid,
ash
13.13%,
9.9%,
3.27%,
21%,
respectively
relatively
concentrations
omega-3
fatty
acids
(n-3
PUFAs)
omega-9
(n-9
MUFAs)
omega-6
(n-6
n-6/n-3
0.13
food
additives
animal
feeders.
Moreover,
suggested
sequential
zero-waste
residue
yielded
34.89%
mineral-rich
water
extract
(MRWE),
2.61%
chlorophylla,b,
0.41%
carotenoids,
12.55%
starch,
3.27%
lipids,
22.24%
ulvan,
13.37%
proteins,
10.66%
cellulose
dry
weight.
The
efficient
biocidal
activity
extracted
ulvan
against
pathogenic
microorganisms
sulfate-reducing
bacteria
recommends
application
medical
purposes,
densification,
mitigation
microbially
induced
corrosion
oil
gas
industry.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
34, P. 103582 - 103582
Published: Feb. 24, 2024
Brewer's
spent
grain
(BSG),
accounting
for
85%
of
the
total
by-product
from
breweries,
was
used
as
a
feedstock
L-lactic
acid
production
in
present
study.
BSG
enzymatically
hydrolysed
and
promoted
to
be
self-sufficient
by
using
it
sole
source
carbon,
protein
minerals.
Process
parameters
like
glucose
concentration
(10–20
g/L),
glucose-to-protein
ratio
(1:1
–
5:1),
inoculum
(3
10%
v/v)
were
selected
divert
carbon
enhance
concentration,
which
would
otherwise
result
bacterial
biomass
production.
Yeast
extract
whey
permeate
resulted
high
growth,
whereas
self-sustained
(SSP)
higher
Further,
maintained
at
its
lowest
level
better
conversion
acid.
Glucose
strongly
influenced
Therefore
batch
fermentation
process
further
increased
60
120
g/L.
A
maximum
114.4
g/L
productivity
5.14
g/L·h
achieved
with
an
initial
g/L,
rest
such
1:1,
v/v
SSP
optimum
level.
Finally,
broth
purified
analysed
similarity
commercially
available
proton-NMR
FTIR
spectroscopy.
Thus,
study
valorised
producing
under
biorefinery
approach.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(9), P. 1246 - 1246
Published: April 29, 2024
The
surge
in
global
utilization
of
petroleum-based
plastics,
which
notably
heightened
during
the
COVID-19
pandemic,
has
substantially
increased
its
harm
to
ecosystems.
Considering
escalating
environmental
impact,
a
pivotal
shift
towards
bioplastics
usage
is
imperative.
Exploring
and
implementing
as
viable
alternative
could
mitigate
ecological
burden
posed
by
traditional
plastics.
Macroalgae
potential
feedstock
for
production
due
abundance,
fast
growth,
high
cellulose
sugar
content.
Researchers
have
recently
explored
various
methods
extracting
converting
macroalgae
into
bioplastic.
Some
key
challenges
are
costs
large-scale
need
optimize
extraction
conversion
processes
obtain
high-quality
bioplastics.
However,
benefits
using
bioplastic
include
reducing
plastic
waste
greenhouse
gas
emissions,
healthier
materials
life
practices,
developing
promising
area
future
research
development.
Also,
provides
job
opportunities
free
enterprise
contributes
applications
such
packaging,
medical
devices,
electronics,
textiles,
cosmetics.
presented
review
aims
discuss
problem
plastic,
from
macroalgae,
properties,
biodegradability,
applications,
challenges.