Heliyon,
Journal Year:
2024,
Volume and Issue:
10(21), P. e39952 - e39952
Published: Oct. 31, 2024
Halloysite
nanotubes
(HNTs)
are
naturally
occurring
aluminosilicate
minerals,
known
for
their
unique
tubular
structure,
which
have
garnered
significant
interest
a
wide
range
of
applications.
This
study
explores
the
morphological
changes
HNTs
when
subjected
to
thermal
treatment
ranging
from
25
°C
1100
using
combination
experimental
characterization
techniques
and
molecular
dynamics
simulations.
Techniques
such
as
solid-state
NMR
(SSNMR),
X-ray
diffraction
(XRD),
photoelectron
spectroscopy
(XPS),
Brunauer-Emmett-Teller
(BET)
surface
area
measurements,
Fourier
Transform
Infrared
Spectroscopy
(FT-IR)
were
employed
analyse
structural
evolution.
The
results
reveal
two
major
transitions:
first
between
400
500
°C,
corresponding
release
intercalated
water
partial
distortion
HNT
second
900
1000
marked
by
collapse
structure
exposure
alumina
on
surface.
These
findings
provide
insights
into
stability
HNTs,
informing
future
applications,
especially
in
high-temperature
environments.
International Journal of Materials Research (formerly Zeitschrift fuer Metallkunde),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
This
study
investigated
the
characteristics
of
a
nano-web
made
using
electrospinning
technique,
which
incorporated
Halloysite
clay
nanotubes.
The
focus
was
on
understanding
how
different
ultrasonic
frequencies
affected
properties
nano-web.
Through
use
field
emission
scanning
electron
microscopy
and
elemental
mapping,
it
confirmed
that
nanotubes
were
present
provided
insights
into
morphology
samples.
electrical
conductivity
results
impressive,
treated
specimens
showed
higher
crease
recovery
compared
to
untreated
ones,
thanks
presence
various
ultrasound
used.
In
addition,
samples
demonstrated
improved
ultraviolet-blocking
abilities
as
well
excellent
strength
resistance
abrasion.
Overall,
nanocomposite
webs
displayed
promising
features
could
find
applications
in
multiple
industries.
Polymers for Advanced Technologies,
Journal Year:
2025,
Volume and Issue:
36(2)
Published: Feb. 1, 2025
ABSTRACT
Recent
developments
in
polymer
materials
have
led
to
an
increased
implementation
of
hydrogels
biomedical
settings,
especially
the
creation
smart
hydrogels.
Traditional
single‐network
often
exhibit
challenges,
such
as
poor
mechanical
strength,
insufficient
biocompatibility,
and
slow
response
rates.
To
address
these
issues,
researchers
introduced
Interpenetrating
Polymer
Network
(IPN)
hydrogels,
which
significantly
improve
strength
via
topological
entanglements
physical
interactions.
This
dual‐network
design
not
only
enhances
biocompatibility
but
also
responsiveness
stimuli,
endowing
with
distinctive
properties
like
cell
adhesion,
conductivity,
hemostatic
functions,
antioxidant
abilities,
color‐changing
properties.
The
purpose
this
article
is
elucidate
factors
that
trigger
stimuli
IPN
their
impacts
on
cellular
behavior,
various
applications
they
can
serve.
A
comprehensive
overview
provided
regarding
classification,
mechanisms,
performance
attributes,
related
subjects.
Ultimately,
review
emphasizes
promise
hold
fulfilling
increasing
need
for
innovative
improved
features
sector.
Journal of Biomedical Materials Research Part B Applied Biomaterials,
Journal Year:
2025,
Volume and Issue:
113(5)
Published: May 1, 2025
ABSTRACT
Carrageenan
(CGN)
is
a
high
molecular
weight
polysaccharide
that
extracted
from
red
seaweeds.
It
made
up
of
D‐galactose
residues
connected
by
β‐1,4
and
α‐1,3
galactose‐galactose
bonds.
As
result
its
ability
to
thicken,
emulsify,
stabilize
food,
it
frequently
used
as
food
additive
in
processed
food.
Its
consumption
has
surged
recent
years
due
the
Western
diet's
(WD)
spread.
change
thickness
mucus
barrier,
composition
gut
microbiota,
innate
immune
pathway
causes
inflammation.
Also,
inherent
qualities,
which
include
biodegradability,
biocompatibility,
resemblance
native
glycosaminoglycans,
antioxidants,
anticancer,
immunomodulatory,
anticoagulant
activities,
Carrageenan‐based
hydrogels
have
been
subject
numerous
investigations
lately
for
biomedical
applications.
The
brittle
hydrogel
uncontrollably
exchanged
ions,
however,
are
two
drawbacks
application
this
polysaccharide,
but
these
can
be
avoided
making
straightforward
chemical
changes
polymer
networks,
create
chemically
bonded
with
important
mechanical
characteristics
regulated
degradation
rates.
Furthermore,
addition
diverse
kinds
nanoparticles,
well
carrageenan
results
hybrid
platforms
noteworthy
mechanical,
chemical,
biological
characteristics,
qualify
them
appropriate
biomaterials
tissue
engineering
(TE),
drug
delivery
(DD),
also
wound
healing
Our
goal
article
provide
an
overview
most
current
developments
carrageenan‐based
several
modification
techniques
TE
DD
International Journal of Molecular Sciences,
Journal Year:
2024,
Volume and Issue:
25(10), P. 5370 - 5370
Published: May 14, 2024
Recently,
fluorescent
sensors
have
gained
considerable
attention
due
to
their
high
sensitivity,
low
cost
and
noninvasiveness.
Among
the
different
materials
that
can
be
used
for
this
purpose,
carbon
dots
(CDs)
represent
valuable
candidates
applications
in
sensing.
These,
indeed,
are
easily
synthesized,
show
quantum
yield
highly
biocompatible.
However,
it
was
pointed
out
photoluminescence
properties
of
these
nanomaterials
strictly
dependent
on
synthetic
purification
methods
adopted.
The
presence
halloysite
nanotubes
(HNTs),
a
natural,
biocompatible
clay
mineral,
has
been
found
efficient
obtaining
small
monodispersed
CDs
without
long
tedious
techniques.
Herein,
we
report
comparison
pathways
halloysite-N-doped
(HNTs-NCDs)
could
biological
One
based
synthesis
N-doped
by
bottom-up
approach
HNTs’
surface
MW
pyrolysis
process;
other
one
post-modification
pristine
with
derivatives.
evaluation
best
route
performed
physico-chemical
It
led
formation
functional
groups
onto
surface.
This
evidence
also
translated
fluorescence
yields
existence
several
obtained
investigated
potentiometric
titrations.
Furthermore,
ability
synthesized
as
Fe3+
ions
detection
assessed
spectroscopic
measurements,
cellular
uptake
verified
confocal/fluorescence
microscopies
well.
