ACS Nano,
Journal Year:
2023,
Volume and Issue:
17(15), P. 14686 - 14694
Published: July 17, 2023
Natural
plant
fibers
such
as
cotton
have
favorable
performance
in
water
and
moisture
management;
however,
they
suffer
from
inferior
processing
ability
due
to
limited
diameter
length,
well
natural
defects.
Although
commercially
available
regenerated
cellulose
lyocell
can
tunable
structures,
rely
on
the
complete
dissolution
of
molecules,
including
highly
crystalline
parts,
leading
mechanical
properties.
Through
a
specially
designed
coaxial
wet-spinning
process,
we
prepare
type
hollow
fiber
using
only
nanofibrils
(CNFs)
building
blocks.
It
mimics
with
lumen
structure
but
long
length.
Moreover,
superior
properties
Young's
modulus
24.7
GPa
tensile
strength
341
MPa,
surpassing
most
wet-spun
CNF-based
fibers.
Importantly,
10
times
higher
wicking
ability,
wetting
rate,
drying
maximum
ratio
compared
Together
long-term
after
500
rounds
wetting–drying
tests,
are
sustainable
choices
for
advanced
textile
applications.
And
this
study
provides
greater
understanding
nanoscale
blocks
their
assembled
macromaterials,
which
may
help
reveal
magic
hierarchical
design
materials,
case,
Chemical Reviews,
Journal Year:
2022,
Volume and Issue:
122(13), P. 11604 - 11674
Published: June 2, 2022
Chitin,
a
fascinating
biopolymer
found
in
living
organisms,
fulfills
current
demands
of
availability,
sustainability,
biocompatibility,
biodegradability,
functionality,
and
renewability.
A
feature
chitin
is
its
ability
to
structure
into
hierarchical
assemblies,
spanning
the
nano-
macroscales,
imparting
toughness
resistance
(chemical,
biological,
among
others)
multicomponent
materials
as
well
adding
adaptability,
tunability,
versatility.
Retaining
inherent
structural
characteristics
colloidal
features
dispersed
media
has
been
central
use,
considering
it
building
block
for
construction
emerging
materials.
Top-down
designs
have
reported
differentiate
from
traditional
molecular-level,
bottom-up
synthesis
assembly
material
development.
Such
topics
are
focus
this
Review,
which
also
covers
origins
biological
their
influence
on
morphological
physical-chemical
properties.
We
discuss
recent
achievements
isolation,
deconstruction,
fractionation
nanostructures
varying
axial
aspects
(nanofibrils
nanorods)
along
with
methods
modification
functional
highlight
role
nanochitin
native
architecture
component
subjected
multiscale
interactions,
leading
highly
dynamic
structures.
introduce
most
advances
applications
nanochitin-derived
industrialization
efforts,
following
green
manufacturing
principles.
Finally,
we
offer
critical
perspective
about
adoption
context
advanced,
sustainable
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
121(22), P. 14088 - 14188
Published: Aug. 20, 2021
This
review
considers
the
most
recent
developments
in
supramolecular
and
supraparticle
structures
obtained
from
natural,
renewable
biopolymers
as
well
their
disassembly
reassembly
into
engineered
materials.
We
introduce
main
interactions
that
control
bottom-up
synthesis
top-down
design
at
different
length
scales,
highlighting
promise
of
natural
associated
building
blocks.
The
latter
have
become
actors
surge
scientific
patent
literature
related
to
subject.
Such
make
prominent
use
multicomponent
hierarchical
polymeric
assemblies
contain
polysaccharides
(cellulose,
chitin,
others),
polyphenols
(lignins,
tannins),
proteins
(soy,
whey,
silk,
other
proteins).
offer
a
comprehensive
discussion
about
exist
native
architectures
(including
composite
forms),
chemical
modification
deconstruction
high
axial
aspect
nanofibers
nanorods.
reflect
on
availability
suitability
types
blocks
enable
superstructures
colloidal
associations.
As
far
processing,
we
describe
relevant
transitions,
solution
gel
state
routes
can
be
used
arrive
consolidated
materials
with
prescribed
properties.
highlight
implementation
technological
fields
exploit
synergies
exhibited
by
polymers
biocolloids
integrated
structured
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(5), P. 2200 - 2241
Published: Jan. 31, 2023
This
review
presents
recent
advances
regarding
biomass-based
nanomaterials,
focusing
on
their
surface
interactions.
Plant
nanoparticles,
like
nanocellulose
and
lignin
from
industry
side
streams,
hold
great
potential
for
the
development
of
lightweight,
functional,
biodegradable,
or
recyclable
material
solutions
a
sustainable
circular
bioeconomy.
However,
to
obtain
optimal
properties
nanoparticles
materials
made
thereof,
it
is
crucial
control
interactions
both
during
particle
production
in
applications.
Herein
we
focus
current
understanding
these
Solvent
formation
production,
as
well
with
water,
polymers,
cells
other
components
applications,
are
addressed.
We
concentrate
cellulose
nanomaterials
combination.
demonstrate
how
chemistry
affects
excellent
performance
only
achieved
when
controlled.
furthermore
introduce
suitable
methods
probing
describe
advantages
challenges,
some
less
commonly
used
discuss
possible
applications
gain
deeper
interfacial
biobased
nanomaterials.
Finally,
gaps
interesting
emerging
research
lines
identified.
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(23), P. 12595 - 12756
Published: Nov. 27, 2023
Widespread
concerns
over
the
impact
of
human
activity
on
environment
have
resulted
in
a
desire
to
replace
artificial
functional
materials
with
naturally
derived
alternatives.
As
such,
polysaccharides
are
drawing
increasing
attention
due
offering
renewable,
biodegradable,
and
biocompatible
feedstock
for
nanomaterials.
In
particular,
nanocrystals
cellulose
chitin
emerged
as
versatile
sustainable
building
blocks
diverse
applications,
ranging
from
mechanical
reinforcement
structural
coloration.
Much
this
interest
arises
tendency
these
colloidally
stable
nanoparticles
self-organize
water
into
lyotropic
cholesteric
liquid
crystal,
which
can
be
readily
manipulated
terms
its
periodicity,
structure,
geometry.
Importantly,
helicoidal
ordering
retained
solid-state,
an
accessible
route
complex
nanostructured
films,
coatings,
particles.
review,
process
forming
iridescent,
structurally
colored
films
suspensions
(CNCs)
is
summarized
mechanisms
underlying
chemical
physical
phenomena
at
each
stage
explored.
Analogy
then
drawn
(ChNCs),
allowing
key
differences
critically
assessed
strategies
toward
coloration
presented.
progress
translating
technology
academia
industry
summarized,
unresolved
scientific
technical
questions
put
forward
challenges
community.
Materials Today,
Journal Year:
2023,
Volume and Issue:
65, P. 122 - 132
Published: April 25, 2023
Lignin
is
a
remarkable
natural
polyphenol
that
provides
trees
with
physical
and
(bio-)chemical
resistance,
as
well
the
ability
to
reach
considerable
heights.
also
intrinsically
circular
slow
biodegradability,
thereby
serving
carbon
source
for
soils.
There
growing
interest
in
using
industrial
lignin
an
environmentally
economically
beneficial
material.
However,
most
of
industrially
produced
still
used
cost-efficient
energy
by
forestry
sector.
To
efficiently
redirect
use
towards
material
applications
avoid
end-of-life
problems
connected
traditional
plastics,
there
imminent
need
opportunity
include
circularity
important
design
parameter.
In
this
review,
we
critically
assess
opportunities
obstacles
component
materials,
guided
life
cycle
assessment
benchmarking
best
practices
materials
science
engineering,
e.g.,
"by
design".
We
cover
reflect
on
recent
emerging
advances
nanotechnology
showcase
how
can
contribute
fixation
viable
alternative
its
combustion
pulping
processes.
argue
that,
adequate
considerations,
has
potential
enable
development
new
biobased
do
not
cause
accumulation
persistent
waste,
are
equipped
attractive
functionalities
performance
benefit
sustainable
society.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(18)
Published: Nov. 2, 2023
Abstract
In
recent
decades,
aerogels
have
attracted
tremendous
attention
in
academia
and
industry
as
a
class
of
lightweight
porous
multifunctional
nanomaterial.
Despite
their
wide
application
range,
the
low
mechanical
durability
hinders
processing
handling,
particularly
applications
requiring
complex
physical
structures.
“Mechanically
strengthened
aerogels”
emerged
potential
solution
to
address
this
drawback.
Since
first
report
on
1931,
various
modified
synthesis
processes
been
introduced
last
few
decades
enhance
aerogel
strength,
further
advancing
scope.
This
review
summarizes
state‐of‐the‐art
developments
mechanically
through
multicompositional
multidimensional
approaches.
Furthermore,
new
trends
future
directions
for
prevailed
commercialization
plastic
materials
are
discussed.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Jan. 30, 2024
Abstract
Cellulose
nanofibrils
(CNFs)
are
supramolecular
assemblies
of
cellulose
chains
that
provide
outstanding
mechanical
support
and
structural
functions
for
cellulosic
organisms.
However,
traditional
chemical
pretreatments
defibrillation
natural
produce
irreversible
surface
functionalization
adverse
effects
morphology
the
CNFs,
respectively,
which
limit
utilization
CNFs
in
nanoassembly
functionalization.
Herein,
this
work
presents
a
facile
energetically
efficient
engineering
strategy
to
completely
exfoliate
elementary
fibrils
from
various
bioresources,
provides
with
ultrahigh
aspect
ratios
(≈1400)
reversible
surface.
During
mild
process
swelling
esterification,
crystallinity
retained,
resulting
high
yields
(98%)
low
energy
consumption
(12.4
kJ
g
−1
).
In
particular,
on
CNF
surface,
hydroxyl
groups
restored
by
removal
carboxyl
moieties
via
saponification,
offers
significant
opportunity
reconstitution
stronger
hydrogen
bonding
interfaces.
Therefore,
resultant
can
be
used
as
sustainable
building
blocks
construction
multidimensional
advanced
materials,
e.g.,
1D
filaments,
2D
films,
3D
aerogels.
The
proposed
new
platform
fully
utilizing
characteristics
development
high‐performance
materials.
