Biomimetics,
Journal Year:
2024,
Volume and Issue:
9(12), P. 725 - 725
Published: Nov. 24, 2024
Herein,
we
report
a
study
that
provides
new
insight
on
the
knowledge
gaps
relate
to
role
of
biopolymer
structure
and
adsorption
properties
for
chitosan
adsorbents
are
cross-linked
with
glutaraldehyde.
The
systematic
modification
glutaraldehyde
(CG)
its
quaternized
forms
(QCG)
was
studied
in
relation
reaction
conditions:
mole
ratios
reactants
pH
conditions.
Complementary
adsorbent
characterization
employed
13C
NMR/FTIR
spectroscopy,
TGA
DSC,
point-zero-charge
(PZC),
solvent
swelling,
sorption
studies
using
selected
dye
probes.
spectral
thermal
techniques
provide
complementary
evidence
affirm
key
cross-linker
content
quaternization
variation
physicochemical
chitosan.
PZC
results
reveal
neutral
surface
charge
modified
materials
between
6.0
6.3
±
0.3,
as
compared
8.7
0.4
pristine
Solvent
swelling
water
decreased
greater
cross-linking,
while
QCG
had
over
CG
due
enhanced
hydration.
variable
uptake
according
content.
Similarly,
versus
micropore
demonstrated,
nature
ionization
state
adsorbents,
where
tunable
exceeded
unmodified
A
step
tuning
chemical
involves
control
during
synthesis.
facile
tunability
biopolymers
reported
herein
means
they
possess
features
biomimetics
relevant
advanced
drug
delivery,
antimicrobial
wound
healing,
biosensors,
biosorbents
biomedical
applications.
Processes,
Journal Year:
2025,
Volume and Issue:
13(2), P. 566 - 566
Published: Feb. 17, 2025
Green
materials
are
emerging
as
sustainable
alternatives
in
water
and
wastewater
treatment.
Due
to
their
biodegradability,
renewable
origin
low
toxicity
characteristics,
green
an
alternative
conventional
synthetic
materials.
include
nanomaterials
of
natural
origin,
biopolymers
composites
that
optimize
the
adsorption
removal
contaminants.
The
applications
cellulose
nanofibers,
alginates,
chitosan
lignin
stand
out,
well
functionalized
hydrogels
aerogels
for
heavy
metals,
dyes
organic
analysis
mechanisms
processes
contaminant
modeling
optimization
techniques
included
key
tools
design
these
materials,
allowing
one
predict
properties,
simulate
interactions
customize
solutions.
Despite
sustainability
benefits
they
face
technical
economic
challenges,
such
scalability,
synthesis
costs
experimental
validation.
This
work
concluded
combined
with
tools,
essential
move
towards
more
sustainable,
efficient
environmentally
friendly
treatment
technologies,
aligned
global
objectives
development
climate
change
mitigation.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(17), P. 16520 - 16531
Published: Aug. 21, 2024
A
significant
quantity
of
oil
absorbents
is
annually
used
for
addressing
spill
incidents,
yet
limited
attention
has
been
devoted
to
repurposing
these
discarded
materials
in
a
high-value
manner.
Within
this
study,
waste
utilization
method
was
proposed
fabricating
supercapacitor
(SC)
electrodes
using
recycled
biomass-based
aerogel
absorbents.
Biomass-based
aerogels
exhibited
three-dimensional
cross-linked
network
architecture
characterized
by
high
porosity
and
large
pore
size,
which
enhanced
electron
conduction
provided
sufficient
channels
rapid
ion
transport,
thereby
ensuring
effective
contact
between
the
carbon
electrode
electrolyte.
The
crude
adhering
surfaces
facilitated
disorder,
surface
wettability,
promoted
mesopore
formation
during
carbonization
activation,
induced
pseudocapacitance
through
oxygen-containing
groups.
Resultantly,
synthesized
demonstrated
substantial
specific
area
(>2600
m2
g–1)
volume
(>1.35
cm3
g–1).
capacitance
323.9
F
g–1
at
1
three-electrode
system.
assembled
symmetric
SC
attained
energy
density
17.3
W
h
kg–1
350.2
6
M
KOH
48.8
350.4
tetraethylammonium
tetrafluoroborate/propylene
carbonate.
remained
stable
99%
after
30,000
cycles
an
all-solid-state
In
addition,
high-mass
loading
retained
its
up
96.6%
10,000
KOH.
This
study
delivers
innovative
approach
material
preparation
advanced
storage
devices
utilizing
