The Chemical Record,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Abstract
The
escalating
global
waste
crisis
necessitates
innovative
solutions.
This
study
investigates
the
sustainable
production
of
nanocellulose
from
biomass
and
its
biomedical
applications.
Cellulose‐rich
materials–including
wood,
textiles,
agricultural
residues,
food
by‐products–were
systematically
processed
using
alkaline,
acid,
oxidative
pretreatments
to
enhance
fiber
accessibility.
Mechanical
techniques,
such
as
grinding
homogenization,
combined
with
chemical
methods
like
acid
hydrolysis
2,2,6,6‐Tetramethylpiperidin‐1‐yl‐oxyl
(TEMPO)
oxidation,
were
employed
successfully
isolate
nanocellulose.
Post‐treatment
modifications,
including
surface
coating
cross‐linking,
further
tailored
properties
for
specific
results
demonstrated
nanocellulose's
biocompatibility,
biodegradability,
functional
versatility.
In
wound
healing,
it
enhanced
moisture
management
exhibited
antimicrobial
properties.
Its
high
area
facilitated
efficient
drug
loading
controlled
release
in
delivery
Nanocellulose
bioinks
supported
cell
proliferation
3D
bioprinting
tissue
engineering.
Additional
applications
biosensors
personal
care
products
also
identified.
advances
materials
science,
aligning
resource
conservation
circular
economy
principles
address
sector
needs.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(28), P. 37087 - 37099
Published: July 3, 2024
Hydrogels,
as
flexible
materials,
have
been
widely
used
in
the
field
of
sensors.
Human
sweat
contains
a
variety
biomarkers
that
can
reflect
physiological
state
human
body.
Therefore,
it
is
great
practical
significance
and
application
value
to
realize
detection
composition
combine
with
motion
sensing
through
hydrogel.
Based
on
mussel-inspired
chemistry,
polydopamine
(PDA)
gold
nanoparticles
(AuNPs)
were
coated
surface
cellulose
nanocrystals
(CNCs)
obtain
CNC-based
nanocomposites
(CNCs@PDA-Au),
which
could
simultaneously
enhance
mechanical,
electrochemical,
self-healing
properties
hydrogels.
The
CNCs@PDA-Au
was
composited
poly(vinyl
alcohol)
(PVA)
hydrogel
nanocomposite
(PVA/CNCs@PDA-Au)
by
freeze-thaw
cycles.
PVA/CNCs@PDA-Au
has
excellent
mechanical
strength
(7.2
MPa)
(88.3%).
sensors
designed
exhibited
fast
response
time
(122.9
ms),
wide
strain
range
(0-600.0%),
stability,
fatigue
resistance.
With
unique
electrochemical
redox
uric
acid,
sensor
successfully
realized
acid
(1.0-100.0
μmol/L)
low
limit
(0.42
μmol/L).
In
this
study,
dual
