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.
