ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 14, 2024
Hydrogels
are
widely
used
across
various
fields,
creating
a
demand
for
materials
capable
of
withstanding
freezing
conditions.
Most
existing
antifreezing
hydrogels
rely
on
small-molecule
additives
or
organogels,
which
frequently
encounter
environmental
concerns
due
to
potential
toxicity
and
exhibit
poor
long-term
stability
in
harsh
In
this
study,
we
propose
hybridized
hydrogen
bonding
strategy
develop
without
the
need
additives.
The
resistance
is
achieved
through
interactions
between
hydrogel's
polar
functional
groups
(the
−COOH
group
poly(acrylic
acid),
−CO–
polyvinylpyrrolidone,
−OH
phytic
acid)
water
molecules,
modify
distribution
bonds
within
system.
These
demonstrate
excellent
mechanical
resilience
(92%)
conductivity,
both
maintained
at
subzero
temperatures.
Additionally,
flexible
sensors
made
from
these
reliable
signal
low-temperature
environments.
This
work
presents
an
effective
improving
hydrogels,
advancing
our
understanding
mechanisms,
providing
practical
insights
future
applications,
particularly
wearable
sensor
technologies.
This
review
examines
the
potential
of
nanomaterials
in
revolutionizing
food
packaging,
focusing
on
their
role
enhancing
barrier
properties
and
extending
shelf
life
packaged
foods.
Traditional
packaging
materials
often
fall
short
effectively
protecting
against
oxygen,
moisture,
UV
light,
resulting
diminished
quality
shorter
life.
Nanomaterials,
including
nanoclays,
metal
oxide
nanoparticles
(e.g.,
ZnO,
TiO₂),
carbon-based
graphene,
carbon
nanotubes),
biodegradable
options
like
cellulose
nanocrystals,
have
emerged
as
promising
solutions.
These
offer
exceptional
gas
moisture
properties,
antimicrobial
effects,
protection
capabilities.
The
provides
an
in-depth
exploration
various
nanomaterials,
highlighting
distinctive
mechanisms;
such
tortuosity
which
enhance
performance
by
limiting
permeability.
It
also
discusses
recent
advancements
integrating
into
both
flexible
rigid
systems,
well
active
intelligent
that
employs
nanosensors
for
real-time
monitoring
freshness
spoilage.
Despite
potential,
challenges
toxicity
concerns,
environmental
impacts,
economic
constraints
to
large-scale
adoption
are
addressed.
emphasizes
need
future
research
dual-function
can
simultaneously
improve
enable
sensing.
innovations
could
transform
technologies,
promoting
enhanced
safety
sustainability.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(15), С. 8529 - 8529
Опубликована: Авг. 5, 2024
Cellulose
in
the
nano
regime,
defined
as
nanocellulose,
has
been
intensively
used
for
water
treatment.
Nanocellulose
can
be
produced
various
forms,
including
colloidal,
redispersible
powders,
films,
membranes,
papers,
hydrogels/aerogels,
and
three-dimensional
(3D)
objects.
They
were
reported
removal
of
contaminants,
e.g.,
heavy
metals,
dyes,
drugs,
pesticides,
pharmaceuticals,
microbial
cells,
other
pollutants
from
systems.
This
review
summarized
recent
technologies
treatment
using
nanocellulose-based
materials.
A
scientometric
analysis
topic
was
also
included.
Cellulose-based
materials
enable
salts
offer
advanced
desalination.
are
widely
substrates,
adsorbents,
catalysts.
applied
pollutant
via
several
methods
such
adsorption,
filtration,
disinfection,
coagulation/flocculation,
chemical
precipitation,
sedimentation,
filtration
(e.g.,
ultrafiltration
(UF),
nanofiltration
(NF)),
electrofiltration
(electrodialysis),
ion-exchange,
chelation,
catalysis,
photocatalysis.
Processing
cellulose
into
commercial
products
enables
wide
use
adsorbents
Gels,
Год журнала:
2024,
Номер
10(12), С. 842 - 842
Опубликована: Дек. 20, 2024
This
paper
provides
a
solid
foundation
for
understanding
the
synthesis,
properties,
and
applications
of
cellulose-based
gels.
It
effectively
showcases
potential
these
gels
in
diverse
applications,
particularly
biomedicine,
highlights
key
synthesis
methods
properties.
However,
to
push
field
forward,
future
research
should
address
gaps
environmental
impact,
mechanical
stability,
scalability
gels,
while
also
considering
how
overcome
barriers
their
industrial
use.
will
ultimately
allow
realization
large-scale,
sustainable
applications.
